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This is a paper in the field of mineral processing engineering. Application of ultra-fine grinding technology to treat phosphate ore can change the physical and chemical properties of phosphate containing minerals in phosphate ore, thus improving the dissolution and release of phosphorus in phosphate ore, so that it can be used as phosphate fertilizer. As an ultra-fine grinding equipment, the feasibility of using stirred mill to treat phosphate ore and the research on the influence of process parameters on grinding effect are not perfect. A phosphate ore in Hebei Province was wet ground by a vertical stirring mill in this paper.The particle size distribution of the ground product was detected by NKT6100-D laser particle size analyzer.The effect of grinding process parameters on the particle size composition of product and the content of newly formed particles was explored, and the product particle size was parametrically analyzed by R-R equation to determine the more appropriate operating process parameters. The results showed that under the conditions of agitator speed of 550 r/min, grinding concentration of 65%, filling rate of 60%, feed to ball ratio of 0.5 and grinding time of 30 min, the available phosphorus content and phosphorus solubility in citric acid of 8.75% and 74.03%, particle characteristic parameter b of 0.371 and uniformity coefficient n of 1.426 were obtained. It can be seen that it is feasible to use a vertical stirring mill for ultra-fine grinding of phosphate ore.

Internet gaming disorder (IGD) has a great negative impact on teenagers’ study and life. It has been included in the fifth edition of the Diagnostic and Statistical Manual of Mental Disorders in 2013. However, the neural mechanism of its effect is yet to be unveiled. In this study, we used resting-state functional magnetic resonance imaging (resting-state fMRI) to explore the differences of rich club structures in the functional brain networks of 30 IGD subjects and 30 age/sex-matched healthy controls. The rich club was found in both IGD subjects and healthy controls, involving important brain regions in default mode, executive control, salience, sensorimotor, auditory and visual networks. IGD subjects had significantly higher rich club connection and higher degree in the right pars orbitalis of inferior frontal gyrus than healthy controls. These findings might suggest that IGD might be more correlated with damage to the rich club connection.

Aiming at the incomplete information of AUV cooperative confrontation, the incomplete information game theory is used to study the confrontation behavior of AUVs. Taking the remaining survival probability and weapon consumption as the evaluation indicators, adding the position error factor, an AUV game confrontation target allocation model for incomplete information is established. In terms of the Bayesian Nash equilibrium theory, the prior probabilities of the offensive and defensive strategy types are set by the virtual participant "Nature" in advance. Then the types of AUVs to be allocated are selected, and the judgment on the types of the target assignment strategies adopted by the other party are modified through the posterior probability. An algorithm for solving incomplete information target assignment based on the multi-target discrete particle swarms is proposed, and the Bayesian Nash equilibrium target assignment strategies of the two sides are obtained, which provides strategic choice help for the commander's combat command.

Blockchain technology has evolved rapidly in recent years,as a result,many organizations and enterprises have started using decentralized applications (DApps) based on blockchain and smart contracts to enhance the functionality and security of their information systems,or to expand new businesses.However,DApps may also introduce new problems due to the possible security and performance issues of blockchain and smart contracts.In order to deeply study and analyze the data and behavioral phenomena of DApps so as to help users better apply blockchain and DApps,a total of 2 565 DApps in 21 categories are first collected,as well as data related to these DApps from July 30,2015 to May 4,2020 (about 10 million block heights),including 16 302 smart contracts,7 678 185 EOA,95 889 930 external transactions,and 30 833 719 internal transactions.Then the DApp distribution is deeply analyzed from four perspectives:number,time,category,and smart contract,and some findings are summarized from them,which can provide valuable references for DApp developers and blockchain researchers.

Objective To understand the prevalence and annual change trend of Internet addiction among students aged 11 and 22 in Inner Mongolia in 2019 and 2021, and to explore the influencing factors of Internet addiction behavior, so as to provide reference basis for the prevention of Internet addiction among students. Methods Students were selected from 12 cities of Inner Mongolia Autonomous Region by stratified cluster random sampling. Internet addiction disorder was determined according to the items of "surveillance and intervention of common diseases and health influencing factors of students in China". Logistic regression method was used to analyze the relationship between Internet addiction and behavioral factors. Results The prevalence of Internet addiction among students aged 11 to 22 years in Inner Mongolia in 2019 was 1.92%, 2.50%, and 2.21%, respectively. Logistic regression analysis showed that vocational high school (OR=1.347, 95%CI: 1.083-1.675), single parent family (OR=1.279, 95% CI: 1.090-1.500), reconstituted family (OR=1326, 95% CI: 1.041-1.690), bullying (OR=1.755, 95% CI: 1.443-2.135), depression (OR=3.557, 95% CI: 3.146-4.021), fighting (OR=3.374, 95% CI: 2.512-4.531), sugary drinks (OR=2.182. 95% CI:1.753-2.716), and eating fried food (OR=2.398, 95% CI: 1.908-3.014) were the risk factor of Internet addiction. Outdoor activities for 2 hours (OR= 0.620, 95% CI: 0.530-0.726), non-smoking (OR=0.553, 95% CI: 0.476-0.643), and non-drinking (OR=0.581, 95% CI: 0.507-0.666) were the protective factors of Internet addiction. Conclusion The current situation of Internet addiction among students in Inner Mongolia is not optimistic. Attention should be paid to bullying, depression, reconstituted families, fighting students, and vocational high school students. Outdoor activities for 1 to 2 hours a day, reducing the intake of sugary drinks and fried foods, and no smoking and drinking can effectively reduce the incidence of Internet addiction. [ABSTRACT FROM AUTHOR]

Flax is the main oil crop in China, and has been affected by flax wilt for a long time. The catalytic subunit of β-1, 3-glucan synthase (FKS/GLS) is necessary for cell wall synthesis, the biological function of which was analyzed in the study through cloning the gene, constructing FolGLS2 gene deletion mutant, observing phenotype and assaying the virulence of the gene disruption mutants. A full-length of 5947bp DNA sequence was obtained, which contained an open reading frame 5847bp, encoding a total of 1948 amino acids. Observation of the phenotype of the FolGLS2 gene deletion mutant showed that the colony of the mutant was small and compact, its growth rate decreased obviously, the mycelium was short, thick and no longer produced conidia. The cell wall of the mutant mycelium changed somehow, which was strongly resistant to the protoplasting buffer commonly used for wild type and was unable to release protoplasts. Infection assay to the flax seedling demonstrated that pathogenicity of deletion mutant was significantly decreased. Conclusively, FolGLS2 gene, which encodes catalytic subunit of β-1, 3- glucan synthase, plays a regulatory role in conidiogenesis, mycelial vegetative growth, cell wall properties and pathogenicity of Fusarium oxysporum f.sp.lini. [ABSTRACT FROM AUTHOR]

We conducted a field experiment in the dry farming area in south Ningxia from 2018 to 2021, to explore the influence of tillage methods combined with mulching on soil bulk density, aggregate content, soil water storage and potato yield under different precipitation years. There were four tillage methods (15 cm depth ploughing, and 30 cm, 40 cm and 50 cm depth subsoiling) and three mulching measures (mulching with oat straw, plastic film and no mulching), with the ploughing depth of 15 cm without mulching as control. The results showed the combination of tillage and mulching effectively reduced soil bulk density in 0-60 cm layer after three years of farming compared with that prior to the experiment. Under the same tillage mode, the best effect was achieved in mulching with oat straw under different precipitation years. To be specific, the best effect in 20 cm and 40 cm soil layers was achieved in mulching with oat straw for 30 cm depth subsoiling, in 60 cm soil layer for 15 cm ploughing in wet year, and for 40 cm depth subsoiling in 20 cm, 40 cm and 60 cm soil layers in normal and dry years. In 0-20 cm soil layer, the content of >0.25 mm soil aggregate was the highest for 40 cm depth subsoiling with oat straw mulching in all the three years. In 20-40 cm soil layer, the content was the highest for 15 cm depth ploughing with oat straw mulching in wet year, and for 40 cm depth subsoiling with oat straw mulching in normal and dry years. In 40-60 cm soil layer, content was the highest for 15 cm depth ploughing with plastic film mulching, 30 cm depth subsoiling with plastic film mulching, and 30 cm depth subsoiling with oat straw mulching in wet, normal and dry years, which was increased by 18.8%, 27.0%, and 35.8%, respectively, compared with the control. In the key growth stage (from squaring to tuber expansion) of potatoes, soil water storage in 0-100 cm layer was optimal for 30 cm depth subsoiling with oat straw mulching in wet year and for 40 cm depth subsoiling with oat straw mulching in normal and dry years, with an increase of 19.4%, 19.5%, and 23.7%, respectively. Potato yield was the highest for 30 cm depth subsoiling with oat straw mulching in wet year and for 40 cm depth subsoiling in normal and dry years, with an increase of 84.6%, 81.7%, and 106.3%, respectively. The correlation analysis showed that improved soil physical properties played a significant role in increasing potato yield, with the most significant role of soil bulk density and soil water storage at the squaring stage. Potato yield was high at a tillage depth of 34.67-36.03 cm. We concluded that the combination of tillage method and mulching could effectively improve soil physical properties and increase soil water storage in the growth stage of potatoes, thereby significantly increa-sing potato yield. Potato yield in dry farming area could be enhanced through 30 cm depth subsoiling with oat straw mulching in wet years, and 40 cm depth subsoiling with oat straw mulching in normal and dry years. [ABSTRACT FROM AUTHOR]

Objective To explore the clinical characteristics of agitated behavior in patients with cognition disorders and screen the related influencing factors based on need-driven dementia-compromised behavior (NDB) in dementia. Methods A total of 402 patients with cognition disorders admitted to Xuanwu Hospital, Capital Medical University from January 2021 to June 2022 were selected. Mini-Mental State Examination (MMSE) and Montreal Cognitive Assessment (MoCA) were used to evaluate overall cognitive function. Pittsburgh Sleep Quality Index (PSQI) was used to evaluate sleep quality. Barthel Index (BI) was used to evaluate abilities of daily living. Cohen-Mansfield Agitation Inventory (CMAI) was used to evaluate agitated behavior. Univariate and multivariate Logistic regression analyses were used to analyse the influencing factors of agitated behavior in patients with cognition disorders. Results The incidence of agitated behavior in 402 patients was 59.70% (240/402), while mild cognitive impairment (MCI) was 59.38% (19/32) and dementia was 59.73% (221/370), including physical aggressive behavior 23.33% (56/ 240), physical non-aggressive behavior 37.92% (91/240), verbal aggressive behavior 13.75% (33/240) and verbal non-aggressive behavior 83.33% (200/240). Logistic regression analysis showed that divorce or widower (OR = 4.529, 95%CI: 1.416-14.483; P = 0.011), hallucination (OR = 10.483, 95%CI: 4.272-25.722; P = 0.001), delusion (OR = 2.287, 95%CI: 1.140-6.591; P = 0.002), the living environment was unstable (OR = 1.665, 95%CI: 1.024-2.708; P = 0.040), communication difficulties between caregivers and patients (OR = 1.817, 95%CI: 1.047-3.154; P = 0.034), sleep disorders (OR = 2.344, 95%CI: 1.142-4.810; P = 0.020) were risk factors for agitated behavior in patients with cognition disorders; hearing impairment was a protective factor (OR =-1.086, 95%CI: 0.132-0.864; P = 0.024). Conclusions The incidence of agitated behavior is higher in patients with cognition disorders, and the incidence of agitated behavior is more likely in patients with cognition disorders who are divorced or widowed, hallucinations, delusions, unstable living environment, communication difficulties between caregivers and patients, and sleep disorders. [ABSTRACT FROM AUTHOR]

Background Late-onset glycogen storage disease typeⅡ(GSDⅡ, Pompe disease) is an autosomal recessive disease exhibiting progressive proximal skeletal muscle weakness and respiratory muscle involvement, caused by deficiency of the lysosomal enzyme acid α-glucosidase (GAA). Most of patients died of respiratory failure. Methods Eleven patients with late-onset glycogen storage disease type Ⅱ underwent respiratory function evaluation, whose diagnosis was confirmed by muscle pathology, GAA activity assay and gene analysis. Respiratory function evaluation included upright and supine position of forced vital capacity (FVC), forced expiratory volume at the first second (FEV1), maximal inspiratory pressure (MIP), maximal expiratory pressure (MEP) and cough peak flow (CPF). All data were compared with predicted value. The decreased value between upright and supine position FVC ( △ FVC) were calculated. The correlation between respiratory function and the age of onset, disease course, motor function, GAA activity were analyzed. Results All of 11 patients with late-onset glycogen storage disease type Ⅱ showed declined respiratory function compared with predicted value. The upright FVC, upright FEV1, △ FVC, MIP, MEP and CPF declined in 10, 10, 8, 11, 10, and 10 patients, respectively. All patients had normal FEV1/FVC in both upright and supine position. There was no correlation between upright FVC, △ FVC and the onset age, disease course, motor function, GAA activity statistically. Conclusions Pulmonary dysfunction is common in late-onset glycogen storage disease type Ⅱ, with restrictive ventilatory impairment more predominant, which is caused by inspiratory muscle weakness. doi: 10.3969/j.issn.1672-6731.2014.05.007

Catharanthus roseus receptor-like kinase1-like kinases (CrRLK1Ls), a class of plant-specific protein receptor kinases, play an important role in maintaining cell wall integrity, cell-to-cell communications, and biotic and abiotic stress response. In this study, StCrRLK1Ls family members were identified, and their physical and chemical characteristics, chromosome location, evolutionary characteristics, subcellular location, and the expression patterns were comprehensively analyzed. The results showed that 17 StCrRLK1Ls members were detected, with amino acid size (753-997 aa), molecular weight (83.34-108.69 kD), and isoelectric point (5.30-7.56). Among them, StCrRLK1Ls were mainly predicted on plasma membrane. Evolutionary analysis indicated that CrRLK1Ls from potato, rice, apple, Arabidopsis, and tomato could be divided into seven subgroups, and StCrRLK1Ls were distributed in subgroups III, IV, V, VI, and VII. Moreover, StCrRLK1Ls were distributed on eight chromosomes, and there are three tandem repeat gene clusters, including six members. In addition, there were many cis-elements in the promoter region of StCrRLK1Ls, which mainly responded to hormones, defense, and stress signals. After the inoculation with Phytophthora infestans (Pi), a large number of StCrRLK1Ls were differentially expressed in Atlantic and Longshu 7, and the relative expression levels of StCrRLK1L8 and StCrRLK1L10 were obviously up-regulated during Pi infection. The relative expression levels of StCrRLK1L11 were 9.74 times compared with the control at eight days Atlantic inoculated Pi. We speculated that they could be used as the candidate genes for disease resistance and further functional analysis, which might play an important role in response to pathogenic fungi of potato. [ABSTRACT FROM AUTHOR]

Objective To construct the prediction index of anxiety outcome of nurses in operating room by using classified regression tree model. Methods A total of 284 operating room nurses in 971 th Hospital of Navy of Chinese People's Liberation Army from March 2017 to June 2020 were selected to evaluate the baseline set data by using the classification regression tree model to determine the risk factors inducing anxiety of operating room nurses in military hospitals, and calculate the contribution rate of different risk factors. The prediction set was used as the evaluation method of prediction results to determine the risk factors that induced nurses' self rating Anxiety Scale ( SAS * score to reach the anxiety standard. Results The results of single factor analysis confirmed that the weekly working time, marital status, having children, CD-RISC score, age educational background were statistically significant ( all P < 0. 05 *. The SAS score split regression tree analysis of nurses showed that the weekly working time, marital status, children's situation, CD-RISC score, age entry model, formed 6 nodes, among which there were divorce, weekly working time >45 h and the highest score. Conclusion The risk factors of nurses anxiety in operating room were composed of five items: working hours, marital status, children's condition, psychological elasticity and age. Nursing managers can use the risk factors of nurses anxiety in operating room to predict the anxiety outcome in advance and carry out timely and reasonable intervention, which can help to reduce the anxiety degree of nursing staff. [ABSTRACT FROM AUTHOR]

Objective To study the value of serum gamma-glutamyl transpeptidase (GGT) combined with direct bilirubin (DB) in the diagnosis of biliary atresia. Methods A total of 667 infants with cholestasis who were hospitalized and treated from July 2010 to December 2018 were enrolled as subjects. According to the results of intraoperative cholangiography and follow-up, they were divided into biliary atresia group with 234 infants and cholestasis group with 433 infants. The two groups were compared in terms of age of onset, sex, and serum levels of total bilirubin (TB), DB, alanine aminotransferase (ALT), aspartate aminotransferase (AST), total bile acid (TBA), and GGT. A receiver operating characteristic (ROC) curve analysis was performed for indices with statistical significance, and the area under the ROC curve (AUC) and the optimal cut-off value for diagnosis were calculated. Results The biliary atresia group had a significantly younger age of onset than the cholestasis group (P<0.001). There were no significant differences in sex, ALT, and AST between the two groups (P>0.05), while the biliary atresia group had significantly higher serum levels of TB, DB, TBA, and GGT than the cholestasis group (P<0.05). GGT combined with DB had the highest AUC of 0.892 (95% confidence interval: 0.868-0.916) in the diagnosis of biliary atresia. At the optimal cut-off values of 324.0 U/L for GGT and 115.1 μmmol/L for DB, GGT combined with DB had a sensitivity of 79.8% and a specificity of 83.2% in the diagnosis of biliary atresia. Conclusions GGT combined with DB has high sensitivity and specificity in the diagnosis of biliary atresia and can be used as an effective indicator for diagnosis of biliary atresia in infants. [ABSTRACT FROM AUTHOR]

Most insects mainly perceive external environment throught ordor, to maintain life activities. Research on the olfactory neuromechanism and molecular mechanism is important to make clear the function of insect olfactory cognitive and the bionics research by neural mechanisms of insect ordor perception. In recent years, the technology of neurobiology and molecular biology have great progress, especially the research on olfactory neuralstructure and molecular mechanism of insect odor perception, which makes a deeper research on the insect olfactory neural loop and molecular. According to the latest research results, this review focuses on the insect olfactory neuralstructure, molecular mechanism and the odor signal pathway including antennal sensilla, antennal lobe and mushroom body, as well as molecular mechanism of ordor perception and olfactory singnal pathway. Review results: Insect cognition of smell is realized through the olfactory nerve system in the brain nerve structure of multilayer signal processing, including antennal sensilla, antennal lob, and mushroom body. When the external odor molecules into the antennal sensilla, the sense of odour recognition protein specific device to odor molecules carrying reach the olfactory receptor neurons dendritic membrane receptor, odor molecules combination with the specific odor receptor produces electrical signal, with the action potentials through the ORN axon to the AL. In the antennal lobe after olfactory glomeruli has selective processing of olfactory information, then the PNs drlivery identification and classification odor information to MB and LH of the central nervous system, to achieve recognition and perception of odor. Although, recent studies of insect odorant cognitive neuroscience has made great progress, we believe that the results of the present study is not completely clarified the neural mechanisms of odorant perception. There are a lot of problems, such as, how lots of the olfactory glomeruli of antennal lobe encode the odor information introduction by the olfactory receptor. We need further study. In order to clarify these problems, we need to improve the existing experimental techniques, strengthening the electrophysiology and molecular neurobiology combination, neural mechanism of odor recognition from the molecular level may be the focus of study in the future. [ABSTRACT FROM AUTHOR]

Application of the AUSMV (advection upstream splitting method V) scheme was extended from gas dynamics to transient ID isothermal gas-liquid two-phase pipe flow problems. The method of numerical flux for the DFM (drift flux model) constructed with the AUSMV scheme and treatment of boundary cells were stated for the simulations. The numerical calculation method of 2nd-order accuracy in time and space was obtained with the classical Runge-Kutta method and the monotonous MUSCL (monotone upstream-centred schemes for conservation laws) technique combined with the Van Leer limiter. The numerical examples including the Zuber-Findlay shock tube problem and the variable mass flow problems with complex slip relations were conducted and comparatively discussed. The results indicate that the proposed AUSMV scheme, with advantages of high efficiency, high precision and low effects of dissipation and dispersion, accurately details the discontinuities of ID gas-liquid two-phase flow problems under low flow velocity conditions. [ABSTRACT FROM AUTHOR]

Application of the AUSMV (advection upstream splitting method V) scheme was extended from gas dynamics to transient 1D isothermal gas-liquid two-phase pipe flow problems. The method of numerical flux for the DFM (drift flux model) constructed with the AUSMV scheme and treatment of boundary cells were stated for the simulations. The numerical calculation method of 2nd-order accuracy in time and space was obtained with the classical Runge-Kutta method and the monotonous MUSCL (monotone upstream-centred schemes for conservation laws) technique combined with the Van Leer limiter. The numerical examples including the Zuber-Findlay shock tube problem and the variable mass flow problems with complex slip relations were conducted and comparatively discussed. The results indicate that the proposed AUSMV scheme, with advantages of high efficiency, high precision and low effects of dissipation and dispersion, accurately details the discontinuities of 1D gas-liquid two-phase flow problems under low flow velocity conditions. [ABSTRACT FROM AUTHOR]

In order to explore the existence and uniqueness of reverse mixed monotone operators and the mixed monotone operatorin partially ordered Banach space, the monotone iterative method and mathematical induction as well as the properties of the ordering difference are used. Then the new fixed point theorems of them under some ordering difference relationship is obtained. The results generalize the related conclusion. Finally the fixed point theorems of the mixed monotone operators are applied to initial value problem of the first order ordinary differential equation group. [ABSTRACT FROM AUTHOR]

Background: Peripheral intravenous injection is a common clinical procedure. According to U.S. Centers for Disease Control guidelines, there is no need to replace peripheral catheters routinely every three days. However, local evidence-based research is needed to determine whether these guidelines are appropriate for Taiwan's island climate. Purpose: This study explores the effects of routine replacement of peripheral intravenous catheters every 96 hours versus every 72 hours, attempting to provide evidence-based information on optimal timing for replacing peripheral intravenous catheters. Methods: A randomized controlled trial design was adopted. Using convenience sampling, surgical otolaryngology inpatients of a medical center in southern Taiwan were recruited. A randomized block design assigned 71 participants to the 96-hour group and to the 72-hour group, respectively. A chi-square test and independent t test were used to compare the differences in the incidence of phlebitis, injection site infections, bloodstream infections, and catheter occlusion as well as the materials costs and nursing hours per patient day between the two groups. Results: There were no significant differences between the groups with respect to the incidence of phlebitis, injection site infections, bloodstream infections, or catheter occlusion (p > .05). The 96-hour group had a significant NT$ 152.72/person reduction in medical material costs (p < .0001) and a significant 174.23 seconds/person reduction in nursing hours per patient day (p < .0001). Conclusions / Implications for Practice: The results of this study suggest that for cases in which no infection signs at the intravenous injection sites are detected by routine assessment for more than three shifts during one day, the optimal replacement interval for peripheral intravenous catheters is 96 hours. [ABSTRACT FROM AUTHOR]

Background Late-onset glycogen storage disease type II (GSD II, Pompe disease) is an autosomal recessive disease exhibiting progressive proximal skeletal muscle weakness and respiratory muscle involvement, caused by deficiency of the lysosomal enzyme acid α - glucosidase (GAA). Most of patients died of respiratory failure. Methods Eleven patients with late-onset glycogen storage disease type 11 underwent respiratory function evaluation, whose diagnosis was confirmed by muscle pathology, GAA activity assay and gene analysis. Respiratory function evaluation included upright and supine position of forced vital capacity (FVC), forced expiratory volume at the first second (FEV1), maximal inspiratory pressure (MIP), maximal expiratory pressure (MEP) and cough peak flow (CPF). All data were compared with predicted value. The decreased value between upright and supine position FVC ( Δ FVC) were calculated. The correlation between respiratory function and the age of onset, disease course, motor function, GAA activity were analyzed. Results All of 11 patients with late-onset glycogen storage disease type 11 showed declined respiratory function compared with predicted value. The upright FVC, upright FEV,, Δ FVC, MIP, MEP and CPF declined in 10, 10, 8, 11, 10, and 10 patients, respectively. All patients had normal FEV1/FVC in both upright and supine position. There was no correlation between upright FVC, Δ FVC and the onset age, disease course, motor function, GAA activity statistically. Conclusions Pulmonary dysfunction is common in late - onset glycogen storage disease type II , with restrictive ventilatory impairment more predominant, which is caused by inspiratory muscle weakness. [ABSTRACT FROM AUTHOR]

This paper analyzed the characteristics of climate changes in major grassland areas of China during recent 50 years. It also elaborated the research findings about the effect of temperature and precipitation changes on main grassland ecological system in China. The paper summarized the effect of climate changes on the vegetation spatial and temporal pattern of major grassland areas in china. In the past 50 years, the temperature of grassland areas in China was generally rising, while the changes of precipitation had larger time and space differences. The majority research results indicated that the effect of temperature rise on plant phenology had a great uncertainty, and its effect on the net primary productivity ( NPP) of grassland vegetation had regional differences. Temperature rise would accelerate the decomposition of carbon in soil, and reduce the plant species diversity. Meanwhile, precipitation increase would make the plant phenology period in advance, prolong its growing season, raise grassland NPP, and improve species richness. But the vegetation growth had a certain hysteresis to the variation of precipitation. Different combination of temperature and precipitation had different influences on the vegetation growth. Temperature rise and precipitation increase could increase grassland vegetation coverage. Generally speaking, climate change could promote the growth of vegetation in glassland areas in China. But in certain region, it might suppress vegetation growth. The paper suggested under future climate change condition to combine the macro and micro aspects, to systematically analyze the sensitivity and vulnerability of grassland ecosystem in China, and to strengthen the comprehensive stud)' on grassland ecosystem, so as to reduce the uncertainty of research results. [ABSTRACT FROM AUTHOR]

108 articles related to developing and revising psychological scale or questionnaire are sorted out through the retrieval of 16 Chinese major periodicals in sports category in CNKI. The results reveal that; (1) the number of the related articles has been growing slowly in the past years; (2) the types of the scale or questionnaire are deficiently dispersed in some domains; (3) the application of the scale or questionnaire focus too much on competitive sports; (4) the development or revision of the psychological scale or questionnaire is insufficient in standardability; (5) the preciseness of reliability and validity of the scale or questionnaire is deficient. In view of the above - mentioned problems, the paper comes up with following suggestions: sport psychologists should focus on developing and revising the psychological scale or questionnaire. More importance should be attached to the research of school sports and mass fitness (two applied fields). Further revision of the existing scale or questionnaire can not be delayed. [ABSTRACT FROM AUTHOR]

Peanut web blotch disease(Phoma arachidicola Marasas) is one of the serious diseases in Liaoning peanut production and caused serious yield reduction by 30 %. To guild the control of disease in fileds, the peanut web blotch disease damage and epidemic dynamics of peanut web blotch were studied. A systematical investigation on the disease was carried out in 2011. The results showed that the percentage of this disease fields was 100%, the percentage of diseased leaf was 32. 9% to 66. 5%, the disease index was 11.1 to 35. 5. It occurred most seriously in Huludao, Fuxin and Jinzhou city, moderately in Shenyang and slightly in Tieling city. The order of disease severity among tested cultivars was Silihong > Baisha1016 > Huayu20 > Heihuasheng > Baihuasheng. Through comparing and analyzing, Logistic model could well refect the temporal dynamic of peanut web blotch disease. And the epidemic period could be deduced and the highest disease index increasing rate was 0. 99/d. The Silihong was highly susceptible and could be used for disease epidemic studying. [ABSTRACT FROM AUTHOR]

Local districts to some extent play a most embarrassing and difficult role in Chinas education reform. The degree of local fulfillment and productivity in education reform can affect or even change the pre-design, actual process, and periodical consequence of the whole country. This paper focuses on three questions: first, how local districts implement reform logic smoothly through balancing wisdom in time, space, and action; second, how local districts make use of offering and obtaining in the reform to seek the sense of unity and complete the collective construction of reform emotion; third, how local districts exist in uncertainty and bargain on the benefit relationship and situation reconstruction with the State as well as with schools. [ABSTRACT FROM AUTHOR]

In a pot experiment, hyperaccumulator Sedum plumbizincicola and low-cadmium accumulating Oryza sativa cultivar "Zhongxiang No. 1" were planted in rotation on a heavy metals-polluted soil, and calcium magnesium phosphate (Ca-P) and rock phosphate (P-R) were amended, aimed to study the effects of the rotation and phosphate amendment on the growth of the two plants and the zinc-and cadmium accumulation in their shoots. After the amendment of 50 g P-R∙kg-1, the Zn and Cd uptake by S. plumbizincicola was 11.5 mg∙pot-1 and 0∙79 mg∙pot-1, respectively, being significantly higher than that after the amendment of 4 g Ca-P∙kg-1. After the planting of S. plumbizincicola, the Zn and Cd concentrations in "Zhongxiang No. 1" increased, but the amendment of Ca-P decreased the accumulation of Zn and Cd in rice shoot significantly. The rotation with S. plumbizincicola and the amendment of Ca-P and P-R could immobilize the Zn and Cd in the contaminated soil as indicated by the quantitative change of NH4OAc-extractable Cd and Zn, and the efficiency of amendment with Ca-P was better than that of amendment with P-R. Field trial showed that amendment with Ca-P could not only increase the rice yield, but also reduce the Zn and Cd accumulation in rice shoot to a certain extent. [ABSTRACT FROM AUTHOR]

Recently unearthed documents have opened new opportunities for research into the poetry of the Tang Dynasty. The newly discovered documents offer the potential for extensive research into the poets during this dynasty, such as Cui Hao' s appointed official position, Han Yu's friends, and the position of Miao Fa within his family. Wrong information from the poets' biographies, as described in the official history books, can be corrected with this new information. With the discovery of these documents, research into the poetry of the Tang Dynasty can be expanded. [ABSTRACT FROM AUTHOR]

The Morrey regularity of higher order degenerate elliptic equation with VMO coefficient on the Heisen- berg group is obtained by using the boundedness of singular integrals and the commutators of singular integrals with the BMO function on the Morrey space. Furthermore, higher order derivative of vector field is represented by the sum of singular integrals and the commutators of singular integrals, and the Money regularity of strong solution to higher order degenerate elliptic equation is achieved through freezing coefficient. [ABSTRACT FROM AUTHOR]

Aiming at the problem that how to locate the induction devices' position automatically in the wireless power transmission system, the influence of the transverse displacement of the induction devices on the coupling coefficient between the induction devices is analyzed, and the whole core coil simulation analysis is been done by the large-scale finite element software COMSOL, which have also been verified through experiments. The results show that the coupling coefficient between the induction devices decreases first, then increases, finally decreases with the increase of induction devices' transverse displacement. The theoretical result has positive effect on the efficiency measuring of the whole system, and which is helpful to the research on the automatic location of induction devices. [ABSTRACT FROM AUTHOR]

Emperor Liang wu XiaoYan's lifetime was related to Buddhism. It was always a splendid stroke in the history of ancient Chinese Buddhism. He believed in, and upheld Buddhism as a monarch in a devout and crazy mood. Religion, politics, selfishness and selflessness got entangled complicatedly. Xiao Yan defined his identity of Buddhist consciously, his ideological foundation and his religious practice closely connected with his identity of feudal monarch, which leave behind lots of legends and controversy. [ABSTRACT FROM AUTHOR]

In order to investigate the effect of nano-modified ethylene-vinyl acetate （MEVA） on physical and rheological properties of styrene-butadiene rubber （SBR） modified asphalt, MEVA/SBR composites modified asphalt with different proportion of MEVA were prepared by blending method. The basic physical properties of the composite modified asphalt were tested, and rheological characteristics was analyzed by using temperature scanning of dynamic shear rheometer. The high and low temperature performance and traffic load grade that the composite modified asphalt could withstand were evaluated by multiple stress creep recovery test and ben-ding beam rheometer. The results showed that the addition of MEVA could effectively improve the physical and rheological properties of SBR modified asphalt, and the modification effect gradually increased with the increase of MEVA amount. Consi-dering high and low temperature properties, the re-commended amount of MEVA was mass fraction of 5%. Compared with SBR modified asphalt, the high temperature grade of MEVA/SBR composite modified asphalt with the best mixing ratio was increased by 18 ℃, and it could bear traffic load of “S” grade at 76 ℃, and its low temperature performance could meet the service temperature grade requirements of -28 ℃.

In order to study the selectivity of flocculant between coal and kaolinite in selective flocculation floatation, the adsorption isotherm and adsorbance difference of polyacrylamide onto kaolinite and coal was investigated. The laser particle size analyzer was used to measure the floes size distribution of coal and kaolinite in different polyacrylamide solution. Hydrodynamic radius and adsorption radius of polyacrylamide molecular were calculated to discuss its adsorption conformation. The adsorbance of anionic polyacrylamide onto coal is higher than that of kaolinite. The adsorbance difference between coal and kaolinite decreases with the increase of polyacrylamide molecular weight. The adsorbance of cationic polyacrylamide onto kaolinite is higher than that of coal, and the adsorbance difference is lower. Selectivity of anionic polyacrylamide with molecular weight 3x106 is the best. Adsorption process of coal and kaolinite is more accord with Langmuir adsorption model. The coal adsorbance of this polyacrylamide is 2.15 times larger than that of kaolinite. The indicators of particle size distribution, d10, d50 and d90 of coal floes are 8.42, 2.60 and 2.75 times of kaolinite floes, respectively. The calculated adsorption radius of polyacrylamide molecular is lower than its hydrodynamic radius. When different polyacrylamide is absorbed onto different mineral surfaces, the effect of compression or penetration with different intensity of polyacrylamide occurres. [ABSTRACT FROM AUTHOR]