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Fungi damage valuable documents mechanically, chemically and aesthetically because they form hyphae, excrete pigments and organic acids, generating particular local conditions that modify the physical-chemical properties of the different documentary supports. The aims of this research were to determine the fungal genera associated with the paper documents biodeterioration and to demonstrate the biofilm formation and the damages. Sampling was done from documents with signs of biodeterioration using sterile cotton swabs. After serial dilutions from the samples, plates with Extract Malt Agar were inoculated and incubated at 30 °C for 7 days. Additional little fragments of the damage zone from each analyzed document were observed using stereomicroscopy, environmental scanning electron microscopy (ESEM) and scanning electron microscopy (SEM). To evaluate the biodeterioration potential risk the strains were grown on cellulose, the acids production and pigments secretion were evaluated too. The genera Aspergillus, Cladosporium, Fusarium and Scopulariopsis were predominant. Isolated strains excreted acids into the culture medium; most of them grew well on cellulose and a few excreted pigments. The formation of a mature biofilm and the production of extracellular polymeric substances by fungi, as well as a dense biofouling mainly formed by dust mites, were evidenced by the SEM and ESEM observations. Also the observations showed that these strains were able to attach to paper fibre causing damage on them. The observation under optical microscopy of dead insect found inside the book showed fungal adhesion on the insect body and SEM support that this adhesion was formed by Aspergillus sp. [ABSTRACT FROM AUTHOR]

The heart is one of the most important organs in human body. In general, we generally believe that exercise can enhance the strength of the heart and keep it healthy. However, many athletes are accompanied by cardiac diseases such as cardiac hypertrophy and heart failure, and even have the risk of sudden death. In view of this phenomenon, there have been relevant studies abroad, which are defined as "athlete's heart", and think that overload sports will increase the probability of suffering from heart disease. Exercise has become a double-edged sword in heart health, but there are few studies on the changes of left ventricular morphology and function after exercise. So far, this paper uses the quantitative detection method of ultrasound biomicroscopy to conduct in-depth study. The research of this paper is mainly divided into three parts. The first part is the research of basic theory and core concepts. Through the research, this paper believes that the effect of exercise on the heart is not absolute, different training methods will get different results; using reasonable exercise program is the premise of maintaining heart health. The second part is to establish the experimental model of rats. In this paper, 40 adult rats were used as experimental samples, and they were randomly divided into exercise group and control group, with 20 in each group. In the third chapter of this paper, the experimental methods and specific operation steps were given in detail. The third part is the experimental results and analysis. In this part, a number of comparative experiments including cardiac function test were carried out in rats. Through the analysis of experimental data, we can see that exercise is the main cause of heart failure in experimental rats, but exercise can also make the rats recover to the indicators before heart failure, which further proves that reasonable exercise can maintain heart health. [ABSTRACT FROM AUTHOR]

With the development of society, people's daily life is becoming more and more abundant. In order to facilitate people's travel, many urban landscape coordination railways have been built in the coordination of large urban landscapes. Therefore, how to construct the Urban rail transit to make the urban landscape coordinated rail landscape coordinated is a problem that needs to be considered. This paper constructs an evaluation system of urban landscape coordination track landscape coordination. Urban landscape coordination Rail transit Urban landscape coordination Landscape environment coordination visual evaluation is random and vague. Therefore, this paper chose fuzzy set-valued statistical method as the evaluation method in the evaluation system of urban landscape coordination track landscape coordination. This method an urban rail transit construction conforms to the actual objective situation. This method analyzes the urban landscape coordination track landscape coordination evaluation, not only overcomes the qualitative visual evaluation deficiency, but also enhances the urban landscape coordination track landscape coordination evaluation of practicality and scientificity. [ABSTRACT FROM AUTHOR]

Developmental hip dysplasia is a clinically common congenital hip disease and a common cause of long-term hip pain. Therefore, the study of hip joint development and pathology of dislocation of round ligament tissue is of great significance for the patients to cure. This paper mainly studies the pathological changes of hip joint development and dislocation of round ligament tissue observed by exercise with polarized light microscope. In this paper, 56 patients were selected for pathological verification of hip joint by polarized light microscope, and hip muscle muscle verification test by surface electromyography (sEMG) method. The data is processed and analyzed offline by Matlab software on the collected EMG signals. The EMG signals from the beginning to the end of a single grasping process are intercepted in turn as a section of EMG signals. EMG data were collected at the experimental time of 30s. Experimental data show that the round ligament of femoral head is obviously hyperplastic and hypertrophic in developmental dislocation of hip joint. Although the morphology increases with age and the dislocation increases the hyperplasia and hypertrophy of the round ligament is not statistically significant (P>0.05), but Histologically, I collagen increased star, and type I collagen content decreased, the difference was statistically significant (P<0.01). The experimental results show that due to sustained stress greater than the physiological range, decompensated changes in tissues and organs, decompensated hyperplasia of the round ligament (partial fracture and contraction), which in turn hinders the reduction of the femoral head and aggravates the dislocation of the hip joint Degree, histology manifests as disordered collagen synthesis and degradation, changes the number and diameter of collagen fibers, which affects the structure and mechanical properties of collagen fibers, and further causes corresponding changes in tissues and organs. [ABSTRACT FROM AUTHOR]

Knee osteoarthritis is more common in the elderly, the main clinical manifestations include knee pain, swelling, limited activity and so on, seriously affecting the quality of life of patients. The incidence rate of KOA increased with age and increased with the increase of life span and average weight. Tai Chi can improve the balance ability of human body, the mobility of waist joint, the flexibility of hip joint and the stability and strength of quadriceps femoris. Because the middle-aged and old people often practice Tai Chi to strengthen their health, this paper studies the influence on the movement function of knee osteocytic arthritis patients under the microscope. This paper analyzes the cause of the disease, the preventive measures and the mechanism of Tai Chi's influence on the knee joint, and makes a simulation analysis with an example. The results show that about 42% of men and 46% of women will be affected by the disease in their lifetime, which will cause huge economic and social burden, and even lead to joint dysfunction and disability in serious cases. The eight Style Tai Chi is the essence of Yang's Tai Chi movement. It preserves the main characteristics and basic skills of Tai Chi. Compared with Simplified Tai Chi, the eight Style Tai Chi is simple, easy to learn, easy to remember and easy to practice, so it is more suitable for patients with knee osteoarthritis. [ABSTRACT FROM AUTHOR]

Melanoma is a kind of malignant skin tumor which is often encountered in clinic. It is also one of the fastest growing cancers in the world. Usually, dermatologists use the methods of naked eye observation and histopathological biopsy to screen and diagnose melanoma in early stage. Blind biopsies often cause financial stress and unnecessary physical trauma. Therefore, non-invasive melanoma automatic diagnosis technology has become an urgent problem in the medical field. Based on the above background, the purpose of this paper is to study the computer-aided diagnosis algorithm of melanoma based on the image of laser confocal microscope. In this paper, the texture features of laser confocal scanning microscope images of melanoma and common benign nevus are extracted by wavelet analysis. Based on the standard deviation, energy and entropy characteristic parameters of wavelet coefficients, the image is automatically classified by classification and regression tree algorithm. The experimental results show that the framework can achieve 3.4% improvement of AUC index compared with the baseline represented by the common single model. Finally, an integrated recognition model based on AUC weighted average is proposed. The AUC of the integrated model is 7.7% higher than that of baseline, which has some advantages over the current mainstream algorithm model. The experimental results verify the effectiveness of the proposed method and model. Therefore, the research results of this paper have a good reference value for the research of melanoma detection technology in dermoscopic images. [ABSTRACT FROM AUTHOR]

The engineering problem of expansive soil is one of the most complex worldwide problems in the field of engineering geology today. Multi-fracture is a typical characteristic of expansive soil. The fissure structure composed of multiple fissures produces complex physical and mechanical effects. The existence of fissures destroys the integrity of the soil. At the same time, the fissures have a non-uniform distribution and a certain tendency, so that the strength characteristics of the expansive soil are also strongly anisotropic, which leads to the expansion of the soil slope the instability mechanism is very complicated. Therefore, it is of great academic value and practical significance to study the fissure characteristics of expansive soil and its impact on slope stability. This paper mainly studies the generalized model of cracks and slope stability of expansive soil based on the remote optical microscope system. The research results in this paper show that the fissures mainly develop below the surface 3-7 m. Among them, large fissures with an extension length of 0.5-2.0 m develop a large number in the depth range of 3-7 m, and long fissures with an extension length greater than 2.0 m are at depth. There are many developments in the range of 8-12m; from the perspective of the inclination of the fissures, most of them are slow-inclined (≤30°) and medium-inclination (30-60°) fissures, and steep dip (≥60°) fissures are rare and follow As the burial depth increases, the slow dip angle cracks gradually increase, and the medium and steep dip angles gradually decrease. The research results in this paper show that the limit equilibrium calculation method based on considering the spatial distribution of cracks can accurately reflect the engineering reality. [ABSTRACT FROM AUTHOR]

In the contemporary society, there are many cases of sudden death caused by the heavy burden of heart caused by intense exercise. How to use scientific and technological means to detect the health of the heart before and after exercise becomes particularly important. In order to explore the strain value of left ventricular inner and outer membrane after martial arts, this paper uses the speckle tracking imaging technology of ultrasound biomicroscope to monitor. In this paper, a number of healthy students were randomly divided into group A (experimental group after martial arts) 20 people, group B (control group martial arts peak period) 20 people, respectively, before martial arts, peak period, recovery period after sports were tested. In this paper, the ultrasonic speckle tracking imaging technology showed that the EN-CS and EP-CS values increased about 4MMHG from 20min to 40min after the end of isovolumic contraction, indicating that the EN-CS and EP-CS decreased first and then increased before and after the exercise measured by STI, that is to say, they showed a negative correlation with the diastolic function parameter E/a of the heart, and CS diff showed a trend of decreasing first and then increasing at each stage of exercise test. This study shows that the ultrasonic biomicroscope spot tracking imaging can detect the myocardial strain value of the left ventricular inner and outer membrane after martial arts exercise. The result is of high precision, stable data and easy to detect. It can timely monitor the myocardial strain value of the left ventricular inner and outer membrane during martial arts exercise. [ABSTRACT FROM AUTHOR]

Diabetes is an endocrine and metabolic disorder. The formation mechanism of diabetes is affected by complex factors. The main pathological mechanism is that liver, muscle and adipose tissue reduce the use of glucose, increase the output of glycogen, resulting in hyperglycemia. In the aspect of fat metabolism, due to the deficiency of insulin, the intake of glucose in adipose tissue and the removal of triglyceride in plasma decreased, the synthesis of fat decreased, the activity of lipoprotein lipase decreased, and the concentration of free fatty acid and triglyceride in blood increased. In recent years, many studies have shown that vitamin D has a very good auxiliary effect on the treatment of diabetes. Therefore, this paper mainly studies the metabolism of fat cells through the confocal microscope observation tool, and analyzes the indicators of different doses of vitamin D in diabetic patients from the micro level. In order to verify the feasibility of the experiment, we followed 140 volunteers with real cases. The effects of body weight, Lee's index, organ index, serum 25 (OH) D content, calcium and phosphorus content, blood glucose, insulin, adiponectin and lipid were studied. Finally, through the comparative analysis of the data, we found that the use of large doses of vitamin D in a certain range of diabetic patients can improve the nutritional level of UD and insulin, and can improve the weight of diabetic patients, islet and muscle morphology abnormalities. This paper has played a complementary role in the study of the mechanism of biotin d-assisted glycolipid metabolism of diabetic adipocytes. [ABSTRACT FROM AUTHOR]

Laryngopharyngeal reflux disease (lprd) is a common disease, usually causes a series of symptoms and signs in the throat, such as foreign body sensation, sore throat, chronic cough, hoarseness, dysphagia, dysphagia and so on. For a long time, it will not only seriously affect our healthy life, but also damage our immune system, leading to a series of complications. At present, the pathogenesis of lprd is not clear, the mainstream of which are reflux theory and reflex theory. At present, most of the treatment of lprd is to use electronic laryngoscope for examination, and then cooperate with proton pump inhibitor for targeted treatment. On this basis, the electronic laryngoscope will continue to be used as the main observation tool, and the medication scheme will be improved. In order to verify the therapeutic effect of the drug regimen, this paper established an experimental model. Through the investigation of 240 related cases, this paper divided them into the observation group and the control group, determined the unified evaluation mechanism and the corresponding operation process, and then carried out the grouping experiment. After the comparative analysis of clinical effect, RSI, RFS score, anxiety and depression of lprd patients, oxidative stress index and immune function, this paper believes that omeprazole has a significant therapeutic effect on lprd and can improve the symptoms of patients, Reduce the damage of the disease to the throat. [ABSTRACT FROM AUTHOR]

Two popular strategies for scheduling optimization are greedy scheduling and genetic algorithm. In this paper, a compound scheduler that can search for the request subsets not competing with other requests is proposed based on task scheduling optimization, and different scheduling optimization algorithms are applied to the subsets. The feasibility of this method depends mostly on the visible light eco-satellite model and the time when the detection request subsets become truly independent. The results suggest that understanding the competition among requests can provide opportunities for applying different scheduling strategies to the request subsets. It can not only save the overall computation time but also allow the application of strategies such as exhaustive planning, which is not feasible for the while request set. In conclusion, this paper indicated that the task scheduling optimization can save the overall computation time for the acquisition and analysis of visible light micro-ecological remote sensing satellites. [ABSTRACT FROM AUTHOR]

At present, with the increasingly fierce competition for talent society, the dramatic increase of living pressure and the irregular lifestyle, PCOS incidence rate all over the world has shown an upward trend, which seriously affects the reproductive function and physical and mental health of the patients. TGF-a is a polypeptide growth factor and one of epidermal growth factor receptors. Many cells, especially the ectoderm, can produce tgf-a, which can stimulate the proliferation and differentiation of epithelial cells, promote the growth of cells, and transform many normal cells. Based on the above background, the research content of this paper is the expression of TGF-a and its receptor in polycystic ovary syndrome. In this paper, SD rats are used as experimental objects for simulation analysis. The experimental results show that the average absorbance ratio of TGF-a mRNA and ß-actin mRNA in the experimental group is 0.4139±0.086, There was significant difference between the two groups. In PCOS group, there was almost no staining of TGF-a on granulosa cells, and weak staining on theca cells. However, the staining of EGFR on these two parts was very strong. TGF-a played its role by combining with EGFR. [ABSTRACT FROM AUTHOR]

Due to the complicated procedures, lack of standardized procedures, error-pronemanual operation andvisual interpretation of traditional microscopic microbiological detection methods, it is difficult to trace the results of microscopic detection, and thus the detection efficiency is low, so the development of microbial detection has encountered a bottleneck. In this era of information technology, it is an urgent problem to be solved on how to combine image processing technology with microbial detection to manage microbial samples more efficiently. The Histogram of Oriented Gradient (HOG) feature is a feature descriptor used for object detection in computer vision and image processing, which constructs the feature by calculating and counting the histogram of gradient direction of local area. In this paper, a method of microbial feature extraction based on Hog feature extraction is proposed, which adopts the color space normalization, gradient calculation, histogram of oriented gradient, normalization and feature extraction of overlapping blockshistogram. The experiment verifies that such method in this paper can be better used to identify and extract the effective feature points of the microbe image under the microscope, which provides a good foundation for the subsequent further processing of relevant professionals. [ABSTRACT FROM AUTHOR]

With the development of science and technology, the emergence of two-photon microscope has brought a lot of convenience to the research of biotechnology. Dendritic branches, extension length and the number of dendritic spines can expand the surface area of nerve cells to receive stimulation, and play a vital role in the process of neuron information transmission, processing and integration. Some studies have shown that sprinting can reduce the oxygen content of the brain, thereby changing the dendritic spines in the representative region of the sensory cortex. This article uses two-photon microscopy to study the changes in the dendritic spines in the representative region of the sensory cortex after sprint training. This article uses the method of controlled experiment to study. In this paper, two groups of mice with no statistical significance were selected as the research object, which were set as the control group and the exercise group, and the exercise group was trained for sprinting. During the experiment, the weight changes of the mice were recorded. After the experiment, the changes of the brain's oxygen content and dendritic spines were studied and analyzed. The research in this paper shows that the average brain oxygen content of the control group after the experiment is 4.025µmol / L, and the brain oxygen content of the exercise group after the experiment is 3.363µmol / L. It can be seen that sprint training will make the brain oxygen content of mice Decreased, and as the oxygen content of the brain decreases, so does the density and number of dendritic spines. [ABSTRACT FROM AUTHOR]

At present, most of the research on the recovery of sciatic nerve injury focuses on drugs or physical therapy. The effect of exercise on the recovery of sciatic nerve after injury is rare. In this paper, for the first time, an experimental model of sciatic nerve injured by heavy-duty sprint training was established under transmission electron microscope to prove that sciatic nerve can be damaged by long-duration and heavy-duty sprinting. The training exercise method, observe and discuss the impact of two forms of exercise on the injured sciatic nerve, the purpose is to provide theoretical and experimental basis for the correct use of weight loss training in sports practice and the establishment of a reasonable and scientific training method, and also for different forms The effect of training on the sciatic nerve provides a theoretical reference and has important medical significance. In this paper, an incremental weight-bearing sprint exercise method is used to establish a large-load sprint training model in rats. First, after training the rats for 7 weeks, 8 rats in the heavy load group (H) were sacrificed and compared with the control group (C1) rats in the same period to observe the effect of weight-bearing sprint training on the sciatic nerve of the rats; Rats in the heavy load group were divided into the suspension training group and the reduced-weight training group. Animal models of suspension training and reduced-weight training were established after heavy-load exercise. In this paper, biochemical and enzyme histochemical methods were used to detect changes in serum creatine kinase (CK) activity and changes in serum malondialdehyde (MDA); transmission electron microscopy and light microscopy were used to observe changes in the morphological structure of the reduced sciatic nerve; the experimental results showed that large After the stress exercise caused damage to the sciatic nerve of the rats, the reduced-weight training for 6 weeks was beneficial to the recovery of the sciatic nerve tissue structure of the rats. [ABSTRACT FROM AUTHOR]

Retinal photocoagulation is a new technology for treating eye diseases, but with the increase of various patients using this technology, retinal photocoagulation has found some adverse reactions in some people. These adverse reactions have gradually caused people's attention, but due to the limitations of the examination method, people cannot observe the response of the iris tissue to retinal photocoagulation in detail. The appearance of ultrasound bio-microscopy (UBM) makes this research possible. In this paper, a combination of multiple research methods such as questionnaire survey and literature analysis method were used to examine 23 patients with retinal photocoagulation using UBM and found that 88.5% of the affected eyes developed transient ciliary on the 3rd day with choroidal detachment, only 17.4% of the affected eyes with narrowed anterior chamber angle and mild shallow anterior chamber became lighter, while the intraocular pressure did not increase significantly. The research in this paper will provide a certain reference value for the adverse reactions of anterior segment changes after retinal photocoagulation. [ABSTRACT FROM AUTHOR]

In recent years, due to many factors such as diet and lifestyle, the influence of the rising number of elderly patients with coronary heart disease, diabetes mellitus, this merger disease seriously affects the safety of the patient's quality of life and the life, once did not get timely treatment will further peculiar to the production of various types of core cerebrovascular disease, which poses a serious threat to a patient's life. The purpose of this paper is to promote the innovation of the treatment methods and the improvement of the therapeutic effect of elderly patients with coronary heart disease and diabetes mellitus. This paper for the continuation of the concept of nursing and to carry out the mode has carried on the detailed introduction, and then the specific characteristics of senile coronary heart disease, diabetes mellitus was analyzed, and based on this, puts forward the continue nursing joint atorvastatin treatment strategies, and on this basis, with the analysis of clinical trials in the form of the analysis of the treatment strategy for validation. The experimental results showed that the indicators of SF-36 in the extended care group, atorvastatin group and the combined group were 70.18, 71.47 and 79.22 points, respectively. The index values of 6-MET were 40.21dm, 38.32dm and 49.58dm, respectively. The index values of LVEF were 53.08%, 53.23% and 59.98%, respectively. Therefore, it is concluded that continuous nursing combined with atorvastatin is beneficial to promote the significant improvement of the final therapeutic effect, which is worth promoting in clinical practice. [ABSTRACT FROM AUTHOR]

As there are a great variety of microorganisms, the backgrounds of microorganism images acquired vary greatly, making microorganism image detection and feature extraction a complex and arduous task. It is estimated that the reliability of visual saliency may be able to properly accomplish, without priori knowledge, some image processing, including image segmentation, object recognition, adaptive compression and the like. This paper studies the object extraction algorithm of complex microorganism image based on visual saliency. For a saliency map, this algorithm is to highlight salient regions and inhibit non-salient regions as far as possible to make the brightness contrast between these two kinds of regions all the more apparent. Besides, this paper also optimizes the original features extracted and presents a microorganism image detection algorithm based on visual saliency of regional contrast, which can make an assessment of global contrast and spatial consistency of microorganism image and adaptively make a judgment whether to emphasize local detection or global detection or somewhere in between. The test experiment proves that the algorithm of this paper works very well in microorganism image feature extraction. [ABSTRACT FROM AUTHOR]

In microscopic imaging of microorganisms, a wide range of factors can result in unclear images for detection of microorganisms and difficulty in efficient target signal extraction in image segmentation. There are various bacteria and many of them are non-rigid. They have irregular shapes and forms. Apart from the common shapes of circle and oval, there are also other complicated shapes, including strip and concavo-convex polygons. Their sizes also vary greatly. Besides, the difference between the edge of bacteria and the background accompanied by the motion and change in form of bacteria is slightly different from that in the gray distribution between the bacteria and the background in the distribution graph of bacteria. This paper combines the reasons that affect the microscopic imaging detection of microorganism and clear image observation, studies the theories of local feature descriptors and scale invariance in computer vision technology, and proposes a local invariant feature extraction and description algorithm for microscopic image of microorganism. As the nearest-neighbor feature points are searched in image matching, this method searches feature points through the random K-D tree and in order to avoid the influence of mismatching on image registration, it uses RANSAC algorithm in the purification of matching points and achieves high efficient extraction of target signal of microorganism. As shown in the experiment test and analysis, it is proven that the algorithm presented in this paper has higher accuracy in target signal extraction, and that it can obtain microorganism image with clear distribution of feature points, which is very good for the observation and follow-up study of microorganism distribution image. [ABSTRACT FROM AUTHOR]

For a long time, gas explosion has been threatening the safety of coal mine production. From a sudden safety accident, we have to reflect on our lack of research on energy source and energy dissipation mechanism of coal and gas outburst. From colleges and universities to enterprises and even relevant management departments, coal and gas energy source related issues are the key to tackle. However, people pay more attention to the macro analysis of gas outburst coal. Many researchers divide outburst coal into several fracture failure types according to the degree of damage of coal body, and also emphasize that they are the product of later GEOLOGICAL TECTONISM. In addition to the macro characteristics, gas outburst coal is a certain micro structure sign theoretically. This paper aims to explore the microstructure of gas outburst coal under the condition of thousands or even tens of thousands of times of microscope. In the process of gas geological survey in Hunan, Jiangxi and Henan provinces, the research group has carried out some research on the coal body structure of outburst coal seams in the past two years. In this paper, the Japanese "Hitachi S-450" scanning electron microscope is used as the observation tool. On this basis, the percentage of pores in some scanning electron microscope photos is counted. The percentage of pores in coal is measured with the help of the software based automatic television image analysis system of (British) magiscan. And set up the structure evaluation standard, do a good job of data management in the whole process of sample collection, and form permanent data. This paper studies the microstructure of gas outburst coal in A and B coal mines, reveals the microstructure characteristics of outburst coal, and further understands the gas outburst mechanism of coal. [ABSTRACT FROM AUTHOR]

The autofocus level of the microscope is one of the factors that affect the user's work efficiency. In this paper, in order to improve the efficiency of the search algorithm while ensuring the search accuracy, a focus search algorithm with the function of predicting the best focus position based on the SOM neural network is proposed. The search algorithm makes full use of the automatic clustering function of SOM neural network. First complete the training of the SOM neural network through a large number of samples. The trained SOM neural network can directly predict the best focus position of the lens based on the input sample data. The results show that the auto-focusing algorithm proposed in this paper has high stability, and the probability of successful auto-focusing is not less than 94%. In terms of clarity threshold selection, it should be based on the number of cells. As for the clarity curve, the curve of the energy spectrum method has obvious peaks and high sensitivity. In terms of the real-time nature of autofocus, the motor is a key factor restricting the focusing speed. [ABSTRACT FROM AUTHOR]

In the past, knee joint rehabilitation mainly included active flexion and extension activities in the early stage, passive manual joint loosening and muscle strength training in the later stage, and local physical therapy and ice compress treatment, which often left obvious joint flexion and extension obstacles, with different degrees of joint adhesion, stiffness and ligament soft tissue contracture. Based on the above background, the research content of this paper is biomedical microscope assisted knee surgery and late rehabilitation. In this paper, the application of biomedical microscope in knee surgery and late rehabilitation is analyzed under the background of biomedical microscope. Through the case analysis, the experiment proves that 40% to 70% of the DVT rate of the patients without preventive treatment after operation, and the main incidence is born in a large vein, about half of them appear in the lower leg. The incidence of symptomatic pulmonary embolism was close to 15%, among which 1% ~ 3.4% was fatal. Therefore, once DVT occurs, we should be alert to the embolism of heart, lung and brain. We can reduce swelling and prevent the formation of venous thrombosis by the repeated compression and relaxation of limbs from the end of hand and foot to the center of trunk through air bag. [ABSTRACT FROM AUTHOR]

At present, microscopic imaging technology has become a commonly used detection method for sample defects. It has very good application value in various fields of industrial manufacturing such as cavity detection, micro crack detection and part defect detection. The use of microscopic imaging technology can clearly show the tiny cracks in the urban unballasted tracks that are invisible to the naked eye. It can improve the quality and efficiency of the railway construction industry. It can replace the traditional manual detection method, make the complicated detection system simple and systematic, and greatly improve the detection efficiency. Therefore, the microscopic imaging technology plays an important role in the field of detecting micro-cracks in unballasted urban rails. The basic principles of microscopic imaging technology is analyzed in this paper. The detection method of micro imaging technology in the field of urban unballasted track micro-crack detection is present in this paper. [ABSTRACT FROM AUTHOR]

After chewing the tablets, the active components of the tablets can be released quickly, and the layered network lattice structure can be generated on the surface of gastric mucosa, which can protect the wounds. At the same time, the active ingredient aluminum can promote ulcer healing. The purpose of this paper is to study the micro mechanism and nursing observation of the treatment of gastric ulcer combined with gastric hemorrhage. This paper introduces the pathogenesis of gastric ulcer and the treatment of gastric ulcer with aluminum and magnesium carbonate, and then summarizes the application of large nursing observation and image processing technology of optical microscope. The experimental results showed that the ulcer area of the control group was large, covered with white moss, the ulcer bottom was dirty, the surrounding mucosa was swollen and swollen; the ulcer surface of the low dose and high dose groups was shallow, the swelling and swelling of the surrounding mucosa was small, the ulcer index was also lower than that of the control group, and the inhibition rate of the low dose group was 15% The inhibition rate of high dose ulcer was 75%. It may be related to the expression of EGF and PGE2. [ABSTRACT FROM AUTHOR]

Due to the naturally high structural activity and dynamic nature of lipoproteins, people have encountered great difficulties when using X-rays, nuclear magnetic resonance and mass spectrometry to study the structure of lipoproteins. This paper mainly studies the application of electron microscopy to the cell morphology of Tai Chi body. We studied the electron microscope images of frozen samples of apolipoprotein E4 containing phospholipids under natural conditions. In this paper, by comparing the shape and size of phospholipid-containing apolipoprotein E4 particles with a variety of negative staining methods and procedures, we propose a negative staining method that is closest to the results of cryo-electron microscopy. The statistical analysis in this paper proves that the particle size difference caused by the staining method and the results of cryo-electron microscopy is less than 6% and the shape is similar; and the obtained image has the characteristics of high contrast and high detail, which is greatly beneficial to the three-dimensional structure of apolipoprotein E4 the study. Finally, we applied this staining method to other major lipoprotein members. The negative electron microscopy samples produced showed isolated particles under the electron microscope, and no obvious structural artifacts were found. The experimental results in this paper show that the structure of the binding part of cholesterol ester transfer protein and lipoprotein has a high degree of flexibility, and can lead to the formation of a channel within the cholesterol ester transfer protein that can transfer cholesterol ester. [ABSTRACT FROM AUTHOR]

MgB2 has a large coherence length, and it is relatively easy to prepare Josephson junction-based electronic devices with simple processes and good repeatability. Therefore, it is more advantageous to use MgB2 thin films to prepare Josephson junctions. Based on the above background, the research content of this paper is the electron microscope research of the high critical temperature superconducting material MgB2 Josephson junction. This paper proposes the metal chemical vapor deposition method to prepare MgB2 superconducting thin film. This method uses diborane as the B source, and organic magnesium MgCP2 gas as the magnesium source. In the original traditional chemical vapor deposition system, a gas channel for introducing the organic magnesium source is added, so that the organic magnesium gas is thermally decomposed into Mg atoms and some functional groups. Then it reacts with B to form MgB2 film, which has better superconducting properties. Finally, through experimental simulations, the results prove that when the deposition temperature is higher, the obtained B precursor film tends to change from amorphous B film to crystalline B film. After energy spectrum testing, it is found that the surface of the film has only two components of boron and oxygen, and The ratio of boron atoms to oxygen atoms is about 88.72: 11.28. The MgB2-B-MgB2 Josephson junction was successfully prepared using the crystalline form B film, which proved that the crystalline form B is reasonable and feasible as the dielectric layer of the Josephson junction. [ABSTRACT FROM AUTHOR]

In 2001, some researchers discovered that Mgb2 has the property of superconducting electricity. The superconducting temperature transition and superconducting characteristics of this material far exceed the traditional theoretical framework of BCS. With the development and application of Mgb2 materials, Mgb2 superconducting films are developed. The purpose of this paper is to study the microstructure of Mgb2 superconducting films prepared on different substrates and to deepen the development and application of Mgb2 superconducting films. This paper first explains the relevant concepts, including the concept of superconductor and the introduction of Mgb2 superconductor thin film, and then with the aid of related experimental apparatus, and MgO style on SiC substrate preparation of Mgb2 superconductor thin film on the substrate, and by means of transmission electron microscope (TEM), scanning tunneling microscope (STM) and atomic force microscope (AFM) to analyze the microstructure of the film, and the key measure of Mgb2 superconductor thin film formed on the different substrate surface topography, and the formation of different substrate microstructure of reason. It is concluded that the microstructures of Mgb2 superconducting films prepared on different substrates are different to some extent. With the conclusion of the study on the microstructure, the efficiency and performance of the preparation of Mgb2 superconducting film and the application ratio of the superconducting film have been improved to a certain extent. The preparation efficiency and the preparation efficiency have been improved by about 16%, and the application range of the superconducting film has been improved by about 15%. [ABSTRACT FROM AUTHOR]

Through quantitative research at the molecular level, discovering the pathological mechanism of diseases and revealing the origin and formation of life are the main development ideas in the field of biomedicine at present and in the future. The development from the qualitative analysis stage to the ultra-microstructure quantitative analysis stage has gradually become the research direction of biomedicine, which also means that methods and means for quantitative processing of electron microscope images are needed. Studying the image processing problem at the level of cell resolution makes it a fully automatic, unmanned, efficient and accurate computer-aided technology, which has great significance in the field of biomedicine. Based on the above background, the research content of this paper is the problem of motion recovery and segmentation of cell images in biomedical microscopes. This paper analyzes the problem of motion recovery of two-photon laser scanning microscope images in sober mice. Failure and giving the reason for wrong motion estimation, a hidden Markov model embedding speed factors is proposed. And through experimental simulation, the results prove that for the data groups TR1-TR4 and TR5-TR8, the average absolute error of the various algorithms in each group is basically the same, this is because they have an approximate dynamic deviation range, especially the same maximum offset and similar reference images. Based on simulation data and real data, the experiment verifies that the hidden Markov model with velocity embedding can obtain more accurate motion correction results than the traditional hidden Markov model. [ABSTRACT FROM AUTHOR]

The combination of high resolution scanning tunneling microscope (STM) and high sensitive optical detection equipment can achieve high resolution characterization and detection of single molecule photoelectric behavior in space, time and energy. At present, daylighting evaluation indexes are mainly based on illumination. This static evaluation cannot reflect the change of natural illumination with time, so dynamic daylighting evaluation indexes are needed. Aiming at the defects of existing illumination evaluation indexes, this paper proposes a new lighting evaluation index, namely effective brightness and effective brightness ratio. The purpose of this paper is to verify the applicability of luminance based lighting evaluation index. By measuring the illumination and brightness data of typical sky, the SM test system is used to read the brightness value in the field of vision, calculate the effective brightness and effective brightness ratio within a day, and evaluate the indoor lighting. The experimental results show that the distribution of indoor daylighting coefficient is stable on a cloudy day, and the daylighting coefficient of each measurement point fluctuates little with time. The greater the daylighting coefficient of the measuring point near the window is, the greater the daylighting coefficient on the side near the window is than the minimum daylighting coefficient of 2% in the office. The daylighting coefficient on the side near the window is the highest with a distribution of 8%, while the daylighting coefficient on the side near the wall is lower than 2%. The daylighting coefficient on the side near the wall is the smallest with a distribution of 0.5%. From the above analysis, it can be seen that the indoor lighting coefficient decreases with the increase of room depth under the condition of full cloudy day. The side near the window can provide sufficient natural light for work, while the side near the inner wall cannot meet the illumination requirements during normal work. [ABSTRACT FROM AUTHOR]

Lung cancer is the malignant tumor with the highest incidence in the world. Bronchoscopy biopsy is one of the main methods for diagnosis of lung lesions, but traditional bronchoscopy only depends on the naked eye to observe the bronchial cavity lesions, which is likely to cause missed diagnosis. The confocal laser microendoscopy called "optical biopsy" can observe the elastic fiber structure of the bronchi and alveoli, showing parallel, elliptical imaging features. Compared with ordinary optical microscopes, laser scanning co-focusing microscopy has attracted more and more attention in the research of biomedicine and materials science. The resolution, sensitivity, magnification and signal-to-noise ratio of fluorescence detection have been greatly improved. In this paper, the three-dimensional model of LSCM image sequence is finally established through the research of image interpolation, image restoration and three-dimensional reconstruction. In this paper, 90 patients with perioperative lung cancer were selected as the object of this study by random selection, and the clinical data of all patients were analyzed. All patients received general anesthesia with oral double-lumen endotracheal intubation, and lobectomy was performed after the anesthesia became effective, and on this basis, different doses were grouped according to Musutan. The treatment course of the three groups of patients was 3 days. After the end of the treatment, CRP (C-reactive protein), TNF-a (tumor necrosis factor a), PaO2 (arterial blood oxygen partial pressure), PaO2 / FiO2 (oxygen and index) and the incidence of complications (including lung infections, atelectasis) and other related indicators are compared. After comparison, the inflammation level index of patients in the high-dose group at 3 days after operation was significantly lower than that in the middle-dose group and the low-dose group, P <0.5 was statistically significant. [ABSTRACT FROM AUTHOR]

In recent years, medical imaging technology has rapidly spread in the modern medical industry, producing a large amount of medical image information. The purpose of this paper is how to combine the key means of image processing with medical images, providing doctors with efficient and convenient means of medical image search. This paper studies medical image segmentation, extraction and representation of feature, index and related retrieval techniques. Aiming at image segmentation, a PCNN image segmentation method based on canny edge detection is proposed. Based on the traditional gray histogram feature extraction technique, an adaptive weighted improved gray histogram method is proposed, and it is proved by experiments that this method can enhance some important features of the image. It is easier to calculate the similarity and help the doctor to find the image features of interest in the complex learning image. For the image indexing technology, used the artificial neural network BP algorithm to classify the image, proposed a diffusion matching algorithm based on image segmentation. In the corresponding feedback, the rough set and the support vector set can be better combined, and introduced corresponding feedback techniques to retrieve the image. Make full use of the rough set of big data processing, the benefits of redundant data's reduction, which can reduce SVM training data, can not only improve SVM classification efficiency, but also improve retrieval efficiency. Experimental results show that the improved corresponding feedback method has certain advantages in feedback accuracy and feedback speed. [ABSTRACT FROM AUTHOR]

The weathering of rocks has caused a variety of cultural relic diseases and caused severe damage to the value of stone cultural relics. The main component of the rock is plagioclase reacting with H2O to form kaolinite. Rock carbonate cement reacts with SO2, CO2, H2O. in the air to generate gypsum, hydrobromite, and nodrite. The strength of the bonding between the mineral particles was finally caused to loosen the rock structure. Based on the above background, the purpose of this article is to study the microscopic characteristics of weathered rock formations using optical microscopy. First of all, the present paper investigates and samples the black rock formations in the study area, and conducts mineral and chemical composition identification to obtain its geochemical characteristics, providing a basis for a more thorough study of the damage caused by weathering of black rock formations. Then this paper uses optical microscope, x-ray diffractometer, scanning electron microscope and other testing methods to study the micro-characteristics of about 30 weathered rock core samples in a certain area. Finally, this paper starts from the internal causes of the changes in the material composition of the black rock formation, and fundamentally looks for the reasons for the poor engineering geological properties of the black rock formation. It is found that the expansion rate of water in the rock can reach 9%. The pressure generated by the expansion of water in the rock will cause the rock voids to increase and reduce strength. Kaolin has good plasticity, and the expansion pressure of water and anhydrite has become an important cause of rock formation and cracks. The generation of cracks not only reduces the mechanical properties of the rock, but also provides a good channel for water seepage from the top, which accelerates the weathering of the stone carvings. [ABSTRACT FROM AUTHOR]

The excellent histocompatibility and bioactivity of active biomaterials and the multidirectional differentiation potential of neural stem cells have great application prospect and value. In this paper, by comparing the sealing properties of different backfilling materials with and without microscopes in vitro cells of biomaterials, this paper discusses whether the use of microscopes in medical surgery can improve the sealing properties of backfilling materials, thus providing a theoretical basis for clinical use. In this paper, the biological basis of the mechanical microenvironment of cardiomyocytes in vivo and the conduction process of electrical signals were firstly elucidated, including the normal and disease conditions. Secondly, the research status of advanced biomaterials for myocardial tissue engineering was investigated. Finally, it is summarized to construct and regulate the substrate hardness and stress-strain cell microenvironment and the cellular electrical microenvironment, as well as the biological response of cells to the force-electric microenvironment. [ABSTRACT FROM AUTHOR]

After years of development, microimage has penetrated into various fields, playing an important role in scientific research, medical and health care, industrial production, film and television art, etc. The purpose of this paper is to study the feature extraction and target optimization model construction of microscopic image. Firstly, the method of micro image acquisition is described, the advantage of genetic algorithm is understood, and the feature extraction based on genetic algorithm and the model construction based on target optimization are studied. In this paper, MSE, PSNR and SSIM are used to quantitatively analyze and compare 100 randomly selected images in the ImageNet verification set. The experimental results show that the PSNR of the quantitative model (target optimization) in the case of target extraction failure is the second 18.68, and the SSIM is the first 0.66. In the case of target acquisition failure, the performance of the algorithm will appear slight degradation, slightly better than the generative model in PSNR measurement standard, but still better than the global and local discriminators and partial convolution model. The quantitative analysis results of the improved model in image restoration are better than other models. [ABSTRACT FROM AUTHOR]

Microscopic observation and counting of plant cells play an important role in many fields such as botanical images. The traditional manual counting method is inefficient, time-consuming and low accuracy. At present, the research of automatic cell counting by image processing technology is mostly a few cell adhesion, cell shape integrity and size uniformity. In fact, most of the cell images are irregular, uneven and conglutinated. In this paper, double threshold detection algorithm is used to segment and count the adherent cells. The accuracy of the algorithm is high, which can meet the actual experimental requirements. The threshold set in this paper can be considered to add other sample characteristics, and the appropriate threshold can be obtained by training different cell samples. In order to improve the accuracy, the classification algorithm was used to classify the adherent cells. In addition, cell segmentation algorithm can be based on edge detection, threshold and region algorithm to get more adaptive segmentation algorithm. It has certain reference value for the observation of plant microstructure. [ABSTRACT FROM AUTHOR]

The data published in recent years show that the study of inclusions in minerals plays an important role in determining the properties of diagenetic and metallogenic media, physical and chemical conditions and the genetic types of ore deposits. Therefore, the development of specialized research methods is very fast, such as the micro-hot platform of the homogenization method to measure temperature, micro-cold platform of the measurement of salinity. The purpose of this paper is to explore the role of inclusions in geological studies by microscopic study of inclusions in minerals. Based on see, on the basis of a large number of literature, this paper discusses the microscope in geologic application status and prospects of both at home and abroad, introduces the work principle and the microscope equipment and sample preparation method, and mainly discusses the current microscope used in the internal characteristics of opaque minerals, fluid inclusions and so on research achievements, in the process of the sample observation of inclusions uniform temperature change, found that the salinity under temperature change always stay at 6%, and pointed out the geological problems existing in the application of microscope and solutions. [ABSTRACT FROM AUTHOR]

With the rapid development of China's economy, the infrastructure construction including railway and highway has put forward higher requirements. However, under the circumstance of temperature variation, the stress state of permafrost subgrade in seasonal tundra region is very complicated, and there are many influencing factors. The problem of frost heave, thaw and subsidence of subgrade in seasonal tundra region has always been a difficult problem for construction personnel and scientific research workers. The purpose of this paper is to study the analysis and microscopic examination of roadbed diseases in seasonal tundra area. Based on the research background of roadbed freezing damage in seasonal tundra region, this paper analyzes the main causes of roadbed freezing damage from three factors of temperature, soil quality and moisture, and puts forward the corresponding prevention measures. In the experimental part, soil samples of 224 sections and 221 sections in typical freeze-damaged sections were taken for indoor freeze-heaving test to study the relationship between freeze-heaving and temperature, water, salt and compaction degree. In the indoor filling model, the frost heave model test was carried out to analyze the change rules of temperature, displacement and salinity under the action of freezing-thawing cycle, and to verify the effect of salt-injection method on freezing damage of roadbed. The maximum frost heave of ordinary test section is 0.4mm, and the maximum frost heave of salt injection test section is 0.075mm. After salt injection, the frost heave of roadbed soil decreases by 81.25%, which indicates that after artificial salinization of roadbed soil, the frost heave of roadbed soil can be effectively inhibited. [ABSTRACT FROM AUTHOR]

This paper studies the therapeutic effect of docetaxel in the treatment of hysteromyoma. In order to rationalize the drug delivery system of docetaxel in the treatment of uterine leiomyoma, the drug resistance and pharmacokinetics of docetaxel were studied. In this paper, 78 cases of hysteromyoma patients admitted to our hospital in July 2017 and may 2018 were selected as the study objects. According to the use of different drugs, they were divided into the study group and the control group, 39 cases each. The study group was treated with docetaxel and the control group with trioenolone. To compare the changes of hysteromyoma and related clinical indexes between the two groups before and after treatment. Results in the two groups, the volume of uterus and the volume of leiomyoma were significantly reduced after taking the medicine. The use of docetaxel has a significant effect on the treatment of hysteromyoma. It can alleviate or cure the patient's condition, shorten the menstrual period, reduce the menstrual volume, and prepare for the operation in advance. In addition, TPGS can effectively improve the antitumor effect of docetaxel, reduce the side effects and reverse the multidrug resistance of tumor, and can be well used in the drug treatment of uterine leiomyoma patients. The results provide a reference for the development of a new drug delivery system. [ABSTRACT FROM AUTHOR]

Cement concrete is the most widely used building material in modern times, and also the largest man-made material at present. The purpose of this paper is to analyze the pore structure of PVA fiber reinforced concrete based on microscope image analysis. In this paper, the classification and characteristics of holes are introduced, and then the mercury injection method and microscope image analysis method are introduced. Finally, the data results of the two methods are compared and analyzed. In order to explore the influence of pore structure change in PVA fiber reinforced concrete, three different types of sand (desert sand, standard sand, river sand) were used to study the degree of its influence on the mechanical properties of concrete. Compared with the traditional mercury injection method, the research of microscope image analysis technology (Digital Camera + Image Pro Plus) also shows that: there is a good correlation between the concrete strength and the proportion of the number of holes and the area of holes. [ABSTRACT FROM AUTHOR]

With the continuous development of digital technology and the application of modern new technology in building construction management, people's research and discussion on the construction industry is also increasing. The quality of construction projects is good or bad, and the speed of construction period is inextricably linked with the management of construction engineering. Therefore, it is an indispensable existence. At present, the management of the construction site is still managed by people, but there are many defects in the management of people. Some management even ignores the special situation on the spot. The digital transformation of the large optical microscope studied in this paper will solve these problems in the application of construction engineering management. This paper mainly studies the application of digital transformation of large optical microscopes in construction engineering management. In this paper, large-scale optical microscope monitoring is carried out on the construction site. By optimizing the acquired pictures, the system judges whether there is a construction accident, and the progress of the construction site, etc., and simulates the management of the construction site. This paper designs a digital microscopic image analysis system simulation platform through CCD acquisition, DSP image processing and video display. According to the characteristics of microscopic image noise, a contrast-limited histogram equalization algorithm is proposed to improve the contrast of the image and suppress the noise amplification. The simulation results show that the hardware platform can enhance the microscopic image stably and effectively, and can reach the processing speed of 20 frames/second. [ABSTRACT FROM AUTHOR]

To clarify the necessity of exercise therapy for continuation care in patients with type 2 diabetes, and to continue the continuation of nursing services from hospital to community or family to improve self-management ability, self-efficacy and quality of life of type 2 diabetes patients. The purpose of this paper is to analyze the effects of exercise therapy on patients with type 2 diabetes mellitus complicated with peripheral vascular disease by comparing the changes of type 2 diabetes patients after different nursing interventions with exercise therapy, and to understand the occurrence and development of diabetes and different exercise therapy for diabetes. The effects of blood lipids, and the comparison after nursing intervention, studied the mechanism of exercise therapy on patients with type 2 diabetes complicated with peripheral vascular disease, and explored the corresponding mechanism of action. Using the method of this paper, through the experimental data analysis, we learned the mechanism of exercise therapy on patients with type 2 diabetes complicated with peripheral vascular disease, and found that yoga has a greater effect on patients with type 2 diabetes mellitus and peripheral vascular disease, up to 80%. Combined with the experimental data, it is analyzed that the two kinds of exercise therapy, yoga and walking, are relatively good, and the use of yoga exercise therapy is as high as 53%. The results show that exercise therapy is important for patients with type 2 diabetes and peripheral vascular disease. Role, nursing intervention plays a corresponding auxiliary role. To provide a reference for further effective treatment of patients with type 2 diabetes and peripheral vascular disease. [ABSTRACT FROM AUTHOR]

Medical imaging can reflect much information of human organs or tissues, including pathology, physiology, anatomy, function and metabolism. At present, medical imaging techniques includecomputed tomography (CT), X-ray imaging, radionuclide, ultrasonic imaging, and magnetic resonance imaging (MRI) and so on. Principal components analysis (PCA) selects a few principal components to represent the structure of variance (i.e. covariance) of multiple variables through computation and it is an effective feature extraction method. Digital image is a 2D matrix and to extract its features through PCA can preserve the feature information of the original image in a certain ratio and greatly reduce the amount of computation. Firstly, the method of this paper constructs the image sample set, gets the corresponding matrix and covariance matrix, and seeks the feature space and feature vectors. Feature matrix can eliminate most correlation between samples and entirely represent the sample set. Then, it maps the sample set into the space, gets the feature sample space and feature coefficients, and obtains the reconstructed image through the linear sum of the products of coefficients and vectors. The purpose of compression is to extract the principal components, represent an image in feature space, remove the correlation between pixels and reduce storage. The medical image compression and reconstruction method based on PCA proposed in this paper, effectively solves the technology problems of large-scale data network transmission and facilitates the diagnosis of patient's conditions and clinical diagnosis and treatment. [ABSTRACT FROM AUTHOR]

Microbubbles are micron scale bubbles, which are widely used in more and more fields due to their unique hydromechanical properties and scale effects, especially in the field of biomedicine. Therefore, the preparation of microbubbles, the control of microbubble size and the control of motion behavior have become the current research focus. In this paper, the mechanism of bubble cavitation induced by ultrasonic in microtubes based on digital image processing of the Internet of things is studied. In this paper, microbubbles are generated by microfluidic element method. The micropipe structure and size were designed, and PDMS materials were used to make the micropipe. In this paper, an experimental platform is designed and built to generate microbubbles through experiments. Microbubbles between 50 and 200 microns in size can be controlled by changing the gas phase pressure and liquid phase flow. The microbubble size is inversely proportional to liquid flow and directly proportional to gas pressure. The change of the interface morphology of gas-liquid phase in the microtube during the formation of microbubbles was recorded by a high-speed camera. Using the VOF model and fluent software, the formation of micro-bubbles in the fluid focused micro-pipe was simulated numerically. Through calculation and analysis of pressure distribution and velocity field changes in the micro-pipe, the mechanism of micro-bubble formation in the micro-pipe was studied. The pressure difference between the gas and liquid phases, the axial and radial directions of the liquid flow field, and the velocity difference of the gas phase control the formation of a bubble. Experimental results show that when the ultrasonic frequency is 30kHz, the moving standing-wave node can control the movement of microbubbles less than 100 microns in diameter, and the displacement of the microbubbles is proportional to the change of the phase of the acoustic wave. [ABSTRACT FROM AUTHOR]

The progress of society has promoted the vigorous development of the construction industry. At the same time, it has put forward higher requirements for the quality of structural engineering of the construction industry. Its safety and stability has become a common concern. Therefore, in order to improve the quality of construction projects, it is necessary to carry out construction quality management, improve construction technology, and ensure reliable safety and durability. Based on the above background, the purpose of this paper is to observe the durability of building engineering by polarized light microscopy and X-ray diffraction analysis. In this paper, concrete is regarded as a kind of artificial rock, and the rock ore test method is used to systematically study concrete and apply it to construction engineering. In structural durability evaluation, as a complement to physical and structural verification, it is a new attempt. In this paper, the phase and mineral composition of concrete were analyzed by means of polarized light microscopy and X-ray diffraction analysis. It was observed by a parallax microscope that the cement particle size of the higher temperature zone was increased by 0.04 mm compared with the low temperature zone by X-ray diffraction. It can also be seen from the analysis that in most of the higher temperature zones, the content of calcite and the lower C/C2S temperature range tend to increase. It is a new attempt to analyze the phase composition of concrete by means of polarized light microscopy and X-ray diffraction analysis. However, the comprehensive observation results are checked by parameters, and finally the durability of the building project can be obtained. [ABSTRACT FROM AUTHOR]

With the rapid development of contemporary building technology, the application performance requirements for concrete materials are getting higher and higher. Replacing traditional concrete structures and special structures built in harsh environments with high-performance concrete with high strength, high durability, and high workability has significant economic benefits. However, the properties of concrete materials are directly related to the microstructure, such as: pore structure, interface transition zone structure, and mix composition. This paper mainly studies the mechanical properties of modified nano-concrete. In this paper, axial compression test and split tensile test were performed on recycled concrete and recycled concrete modified with 0.5% -1.5% nano-silica. Effect of the amount of nano-silica on mechanical properties such as compressive strength, split tensile strength, elastic modulus and Poisson's ratio of recycled concrete. The test results show that when the nano-silica content is 0 to 1.5%, the compressive strength, split tensile strength, and peak strain of the nano-modified recycled concrete are higher than those before the modification, the nano-silica has a certain strengthening effect on the mechanical properties of recycled concrete. [ABSTRACT FROM AUTHOR]

At present, there is still no effective therapeutic drug for the treatment of alcoholic headache in the domestic and international markets. The research on the effect of pueraria hangover is the determination of conventional indicators such as anti-oxidation, hypolipidemic and liver function, and lack of in-depth discussion on its mechanism of action. The purpose of this paper is to analyze the effects of puerarin on relieving alcoholic headache by observing the neurobehavioral changes and changes in blood alcohol concentration in mice, and to understand the basic situation of alcoholic headache and alcoholic liver disease and the different radix puerariae concentration on mouse blood alcohol. The effects of concentration, enzyme concentration and mouse behavior were compared to study the effects of puerarin on oxidative stress, lipid metabolism and inflammatory signaling in drunken mice, and to explore the mechanism of puerarin. Using the method of this paper, through the analysis of experimental data, we learned the role and molecular mechanism of Pueraria lobata in relieving alcoholic headache, and found that pueraria lobata plays an important role in relieving alcoholic headache. The high concentration of Pueraria germination ability is 80%, through theory and experiment. The data were combined to analyze the high concentration of puerarin dose group for headache and blood lipid reduction of 53%. The results showed that puerarin has an important role in relieving alcoholic headache. It can be used for alcohol hangover, hangover ability and increase with puerarin concentration. To provide a reference for further effective treatment of alcoholic liver disease and the development of effective therapeutic drugs. [ABSTRACT FROM AUTHOR]

Environmental geotechnical engineering is a new discipline which closely combines geotechnical engineering with environmental science. It mainly applies the viewpoint, technology and method of geotechnical engineering to serve for harnessing and protecting the environment. Dispersed soils are one of the special soils that have attracted much attention in geotechnical engineering in recent years, it has the characteristics of low erosion resistance and is easy to cause harm to water conservancy projects. In this paper, the progress of scanning electron microscopy (SEM) in geotechnical engineering is reviewed. The preparation and testing methods of samples, the dynamic monitoring method of microstructure changes, and the quantitative analysis technology of scanning electron microscopy are included. In view of the complexity of the traditional test methods for distinguishing dispersed soils and the contradiction between the results of the test, this paper is based on the theoretical knowledge of soil mechanics, soil electricity, soil physics and soil chemistry, TH2827C digital AC bridge, pinhole tester, debris tester, unconfined compressive strength tester and scanning electron microscope were used. The effects of temperature, water content, porosity, and saturation, lime content and curing age on resistivity, dispersion, strength and microstructure of soil samples were analyzed. Scanning electron microscopy (SEM) analysis shows that with the increase of lime content and curing time, the modified soil particles tend to be rounded from thin sheet, and the aggregate structure gradually increases, the contact mode between soil skeleton units has changed from point-to-point contact and face-to-face contact to face contact. [ABSTRACT FROM AUTHOR]

Due to the strict requirements of concrete materials for bridge engineering, however, the congenital defects of ordinary concrete materials include low tensile strength, poor impermeability, and small tensile strain values, which seriously affect the application of concrete materials under some restrictive conditions, making the characteristics of high compressive strength unable to reflect, therefore, it is of great significance to develop concrete materials with good strength and low permeability. The purpose of this paper is to study the compressive strength, splitting tensile strength and microstructure of reinforced concrete in bridges, and analyze the reasons for the increase in strength. This paper takes the compensation shrinkage concrete as the basis, mixed steel fiber and nano-SiO2 to product the shrinkage nano-SiO2 reinforced concrete. And carry out the microstructure experiment the strength characteristic experiment. Finally, use the scanning electron microscope to analyzed hydration products and interface transition zones of compensated shrinkage nano-SiO2 reinforced concrete. The results show that the hydrated products of compensated shrinkage nano-SiO2 reinforced concrete with low degree of orientation and dense growth, The incorporation of nano-SiO2 promotes cement hydration, reduces porosity, and improves the mechanical strength and durability of concrete. When nano-SiO2 is not added, there is a micro-crack with a width of 5.35um between the steel fiber and the aggregate. After the incorporation of nano-SiO2, the micro-cracks is filled with hydrate, and the durability of the concrete is significantly improved. [ABSTRACT FROM AUTHOR]

With the development of science & technology and medicine, medicine has entered the microscopic cell stage of tissue and organ research. However, with the large-scale application of digital medical devices in clinical medicine and the rapid spread of computer technology in the medical field, the massive growth of medical microscopic image data has made the effective use of medical microscopic image resources become a challenge. The purpose of this paper is to solve the problem of medical microscopic images' automatic labeling and classification, using different relatively independent classification framework methods to extract various features of medical microscopic images, and carry out experimental analysis in the evaluation of coronary artery atherosclerosis plaque. The experimental results show that among the various classification methods, Using uniform quadrilateral method and medical microscopic image classification algorithm based on multiple features classification framework can improve the accuracy of image classification very well. can improve the efficiency of medical microscopic images. The experimental results show that compared with the traditional medical microscopic image classification algorithm, the medical microscopic image classification method proposed in this paper has a significant improvement in accuracy. [ABSTRACT FROM AUTHOR]

With the popularity of image processing technology in the world, many companies, universities and research institutions in the world are currently working on microscopic technology. However, the cost of other analytical methods is high and the system structure is complex. These shortcomings limit the popularity and promotion. In order to study the feature extraction and target optimization of microscopic images, this paper first extracts the texture feature quantity based on gray level co-occurrence matrix and the statistical feature quantity based on gray level distribution to form the initial feature set. According to the texture characteristics and brightness difference of the microscopic image, five texture features such as energy, entropy, moment of inertia, local stationarity and maximum probability are extracted based on the gray level co-occurrence matrix, supplemented by the brightness ratio and mean value based on the gray distribution statistics. Six characteristics, such as mean square error, skewness, consistency, and kurtosis, form the 11-dimensional initial feature quantity set, and draw the distribution map of the characteristic parameters. Multi-thread parallel acceleration is performed by using CUDA for the part with large calculation amount such as solving control point coefficient and resampling. The paper proposes a high-dimensional multi-target membrane algorithm based on surface film guidance. The SMG-MOMA target optimization algorithm proves that the superficial membrane guiding strategy plays a large role in the evolution of the population. The simulation results on the scalable multi-objective optimization test show that the proposed algorithm can effectively deal with high-dimensional multi-objective optimization problems. [ABSTRACT FROM AUTHOR]