127 results on '"Su, Zhi"'
Search Results
2. Convulsive-like movements as the first symptom of basilar artery occlusive brainstem infarction: A case report
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Ting-Ling Wang, Gang Wu, and Su-Zhi Liu
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General Medicine - Published
- 2022
3. The Impact of Customer Online Satisfaction on Stock Returns: Evidence from the E-commerce Reviews in China
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Su, Zhi, Wu, Danni, Zhou, Zhenkun, Wu, Junran, and Yin, Libo
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FOS: Economics and business ,General Economics (econ.GN) ,Economics - General Economics - Abstract
This paper investigates the significance of consumer opinions in relation to value in China's A-share market. By analyzing a large dataset comprising over 18 million product reviews by customers on JD.com, we demonstrate that sentiments expressed in consumer reviews can influence stock returns, indicating that consumer opinions contain valuable information that can impact the stock market. Our findings show that Customer Negative Sentiment Tendency (CNST) and One-Star Tendency (OST) have a negative effect on expected stock returns, even after controlling for firm characteristics such as market risk, illiquidity, idiosyncratic volatility, and asset growth. Further analysis reveals that the predictive power of CNST is stronger in firms with high sentiment conditions, growth companies, and firms with lower accounting transparency. We also find that CNST negatively predicts revenue surprises, earnings surprises, and cash flow shocks. These results suggest that online satisfaction derived from big data analysis of customer reviews contains novel information about firms' fundamentals., Comment: 29 pages, 9 tables
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- 2023
- Full Text
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4. Initially with pure parkinsonian phenotype of spinocerebellar ataxia type 3: A rare case report and literature review
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Ting-Ling Wang, Wu Gang, and Su-Zhi Liu
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Background Spinocerebellar ataxia type 3 (SCA3), also known as Machado-Joseph disease (MJD), is an autosomal dominant genetic disease with substantial heterogeneity in clinical manifestations. It typically starts with ataxia and can be divided into five subtypes. The fourth subtype of SCA3 is characterized by parkinsonian and peripheral neuropathy. However, this phenotype is rare, and it tends to be easily misdiagnosed as Parkinson's disease. Materials and methods We report a 51-year-old female patient who initially presented with pure parkinsonian symptoms at the age of 30. She responded well to levodopa treatment and had a diagnosis of Parkinson's disease for almost 20 years. Ataxia symptoms, symptom fluctuations and dyskinesia occurred in the late stage of the disease. A literature review was included to summarize the clinical features of the fourth subtype of SCA3 (type IV SCA3) and its relevant pathogenesis. Results Type IV SCA3 with 66 CAG repeats was diagnosed by genetic testing. It is initially characterized by a pure parkinsonian phenotype indistinguishable from PD, short CAG repeat expansions, and a good response to levodopa. Conclusion Type IV SCA3 should be considered when diagnosing Parkinson's disease, especially in those with a family history. More research is needed to detect the pathogenesis of the parkinsonism phenotype in type IV SCA3.
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- 2022
5. A Fairness-tunable Strategy for Intelligent Energy Balancing in UAV-IoT Systems
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Xiao-Hui Lin, Su-Zhi Bi, Nan Cheng, Ming-Jun Dai, and Hui Wang
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- 2022
6. Revealing the Effectiveness of Tourism Development on Health in Asian Economies
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Song, Yun, Su, Zhi-Wei, Tao, Ran, and Umut, Alican
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Public Health, Environmental and Occupational Health - Abstract
Most Asian economies consist of tourism attraction destinations. The traditional literature explores the cultural, social, and economic effects of tourism; thus, there exists a vacuum related to the impacts of tourism development on the human health of local people. Hence, the current study examines the impact of tourism development on health outcomes of the tourism-based selected Asian economies. The panel autoregressive distributed lag (ARDL) methodology is used to deduce the short-run and long-run impacts of tourism development on health outcomes. The results disclose that tourism activities insignificantly influence health outcomes in the short run. However, tourism development brings improvement in health outcomes in the long run. This research offers a new approach highlighting the significance of tourism development for human health and emphasizes the importance of tourism development for destination management and marketing.
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- 2022
7. Development and Application of Global Health Events-Mental Stress Scale for Assessment of Medical Staff's Acute Mental Stress Responses
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Xin-Ying Cai, Shao-Yan Zheng, Zhen-Su Lin, Su-Zhi Chen, Wei-Yi Zhu, Jia-Jia Huang, Ze-Li Zheng, and Yu-Hua Zhou
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Psychiatry and Mental health ,Psychology Research and Behavior Management ,General Psychology - Abstract
Xin-Ying Cai,1 Shao-Yan Zheng,2 Zhen-Su Lin,2 Su-Zhi Chen,2 Wei-Yi Zhu,2 Jia-Jia Huang,2 Ze-Li Zheng,2 Yu-Hua Zhou2 1Clinical Research Center, Shantou Central Hospital, Shantou City, Peopleâs Republic of China; 2Nursing Department, Shantou Central Hospital, Shantou City, Peopleâs Republic of ChinaCorrespondence: Yu-Hua Zhou, Nursing Department, Shantou Central Hospital, Wai-ma Road 114, Shantou City, Peopleâs Republic of China, Tel +86 0754-88903584, Fax +86 0754-88548117, Email zhouyuhua1023@163.comBackground: Medical workers have been increasingly involved in emergent public health events, which can lead to severe stress. However, no standardized, officially recognized, unified tool exists for mental distress measurement in medical workers who experienced the public health events.Purpose: In the present study, we propose the Global Health Events-Mental Stress Scale (GHE-MSS), as a revised version of the Impact of Event Scale-Revision (IES-R), for assessment of medical workersâ acute mental stress responses within one month and their chronic mental stress responses within six months after major health events.Patients and methods: The IES-R was slightly modified, developed, and its reliability and validity were tested using the Delphi survey, primary survey with 115 participants, formal survey with 300 participants, and clinical evaluation with 566 participants.Results: Exploratory factor analysis and confirmatory factor analysis confirmed a promising validity of the scale. The values of Cronbachâs alpha coefficient, the Spearman-Brown coefficient, and the retested Cronbachâs alpha coefficient of the scale applied for the clinical evaluation were 0.88, 0.87, and 0.98, respectively, which confirmed a good internal consistency and stability. The results of the goodness-of-fit test indicated a good adaptation of the model. A correlation analysis was conducted to assess the correlation between the GHE-MSS and the PCL-C, which had a correlation coefficient of 0.68 (P< 0.01).Conclusion: GHE-MSS can be applied with a promising reliability and validity for the assessment of the acute mental stress response of medical workers experiencing public health events. This method can also be used for the screening of mental stress-associated disorders.Keywords: IES-R, global health events, mental stress scale, medical workers, mental disorders, mental stress responses
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- 2022
8. High-accuracy identification of interferograms between two vortex beams via deep learning without adequate experimental data
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Lu Rui-Jia and Su Zhi-Kun
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Atomic and Molecular Physics, and Optics ,Electronic, Optical and Magnetic Materials - Abstract
The on-axis interference intensity patterns between a vortex beam and its conjugated beam can be used to measure the fractional topological charge of vortex beams. However, it is still challenging to efficiently recognize these intensity diagrams. On one hand, the difference of the patterns for adjacent modes with interval 0.1 is too subtle to be identified precisely. On the other hand, the interferograms are susceptible to undesirable experimental conditions such as the misalignment of the beams, the unequal arms of the interferometer and the deviation of splitting ratio of the beam splitters in the interferometer. Here, we propose a deep learning method to recognize these intensity diagrams with up to 97 % accuracy. In particular, our method has reference values for deep learning model training when there is not adequate experimental data.
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- 2023
9. Production of the triply heavy $Ω_{ccc}$ and $Ω_{bbb}$ baryons at $e^+e^-$ colliders
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Wu, Su-Zhi, Wu, Pei, and Li, You-Wei
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High Energy Physics - Phenomenology (hep-ph) ,FOS: Physical sciences - Abstract
Non-relativistic quantum chromodynamics (NRQCD) factorization formulism is an important approach to investigate the production of the heavy quarkonium. In this paper, we study the production of the $Ω_{ccc}$ and $Ω_{bbb}$ at the $e^+e^-$ collider, using the NRQCD factorization formulism. We calculate the total and differential cross sections exactly of the processes, $e^+e^-\rightarrow γ^*/Z^*\rightarrow Ω_{ccc}\bar{c}\bar{c}\bar{c}$ and $e^+e^-\rightarrow γ^*/Z^*\rightarrow Ω_{bbb}\bar{b}\bar{b}\bar{b}$, in the leading order at the $e^+e^-$ colliders with different energies. The results show that it is hard to observe them at the $e^+e^-$ collider directly.
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- 2022
- Full Text
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10. The Protective Effects of Zornia diphylla (L.) Pers. Against Acute Liver Injury Induced by Carbon Tetrachloride in Mice
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Su-Zhi Xie, Xiang-Yang Zhai, Sheng-Yan Xi, Ying-Kun Qiu, Yu-Mei Zhang, Xiang-Jun Kong, Yun-Hong Li, Lin Zhu, Zheng Wang, Shan-Gang Zhang, Shu-Qiong Huang, and Da-Wei Lu
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Pharmacology ,business.industry ,medicine.medical_treatment ,Intraperitoneal injection ,CCL4 ,inflammatory signaling pathway ,RM1-950 ,Glutathione ,Lipid peroxidation ,Zornia diphyllxa (L.) Pers ,traditional Chinese medicine ,chemistry.chemical_compound ,medicine.anatomical_structure ,chemistry ,antioxidant enzymes ,acute liver injury (ALI) ,Hepatocyte ,Carbon tetrachloride ,Medicine ,Pharmacology (medical) ,Therapeutics. Pharmacology ,Liver function ,business ,TBIL - Abstract
Background:Zornia diphylla (L.) Pers. (ZDP) is a traditional Chinese herbal medicine that has been used for several decades to treat patients with liver diseases. Whether ZDP is best administered as a single agent or adjunctive therapy has yet to be determined as does the mechanism whereby it exerts its effects on antagonizing acute liver injury (ALI).Aim of the study: To investigate the protective effects of ZDP on ALI induced by carbon tetrachloride (CCl4) and the potential underlying mechanisms.Materials and Methods: Sixty adult mice were randomized into six study groups (n = 10/group). Three groups were treated with different concentrations of ZDP (2.5, 1.25, 0.625 g/kg), one with bifendate (0.0075 g/kg) alone (positive control) and one with physiologic saline (normal, negative control). All groups were treated for 14 days. Two hours after the last administration, the normal group received an intraperitoneal injection of peanut oil, and the other five groups received an intraperitoneal injection of an equal dose of CCl4 peanut oil solution. At 24 h, the liver index, histology and serum or tissue levels and/or protein expression of aspartate aminotransferase (AST), alanine aminotransferase (ALT), total bilirubin (TBIL), alkaline phosphatase (ALP), superoxide dismutase (SOD), malondialdehyde (MDA), catalase (CAT), glutathione (GSH), Akt, phosphorylated Akt (p-Akt), nuclear factor kappa B p65 (NF-κB p65), inhibitor of NF-κB α (IκB-α), interleukin-1 β (IL-1β), interleukin-6 (IL-6), tumor necrosis factor α (TNF-α), E-cadherin and vimentin were determined.Results: Compared to the model controls, the degree of inflammatory cell infiltration and hepatocyte injury of liver tissue was relieved in the bifendate and three ZDP groups; liver index in the ZDP (2.5, 1.25 g/kg) groups and serum liver function indices in the ZDP (2.5, 1.25 and 0.625 g/kg) groups were decreased; antioxidants SOD, CAT and GSH in liver tissue were increased but the lipid peroxidation index MDA was decreased; protein expression of inflammatory cytokines Akt, p-Akt, NF-κB p65, IκB-α, IL-1β, IL-6 and TNF-α in the liver was ameliorated, and E-cadherin expression was increased. The results of liver histopathology also showed that ZDP had a significant effect on ALI.Conclusion: ZDP has obvious protective effects on CCl4-induced ALI as a single therapy and appears to act by inhibiting oxidation, reducing the release of inflammatory factors and promoting hepatocyte repair.
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- 2021
11. [Effect of moxibustion on renal function and hypercoagulable state in patients with idiopathic membranous nephropathy of low to medium risk with spleen-kidney deficiency and blood stasis]
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Jing-Yu, Mao, Feng-Wen, Yang, Hao, Liu, Fei, Gao, Bing, Yang, Yao, Zhang, Miao, Tan, Su-Zhi, Chen, Guo-Dong, Yuan, Mei-Jiao, Zhao, Yi-Ran, Kong, and Jin-Chuan, Tan
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Moxibustion ,Acupuncture Therapy ,Humans ,Kidney ,Acupuncture Points ,Glomerulonephritis, Membranous ,Spleen - Abstract
To compare the effect of moxibustion combined with basic treatment and simple basic treatment on the clinical symptoms, renal function and hypercoagulable state in patients with idiopathic membranous nephropathy (IMN) of low to medium risk with spleen-kidney deficiency and blood stasis.A total of 60 patients with IMN of low to medium risk with spleen-kidney deficiency and blood stasis were randomized into an observation group (30 cases, 2 cases dropped off) and a control group (30 cases, 1 case dropped off). In the control group, the conventional basic treatment of anti-hypertension, regulating blood lipid and anti-coagulation was adopted. On the basis of the control group, moxibustion was applied at Shenshu (BL 23), Pishu (BL 20), Guanyuan (CV 4), Zusanli (ST 36) and Sanyinjiao (SP 6) in the observation group, once a day, 5 days a week continuously with 2 day interval. The treatment of 6 months was required in the both groups. Before treatment and 3 and 6 months into treatment, the total TCM syndrome score, the renal function indexes (24-hour urinary protein quantity [UTP], albumin [ALB], urea nitrogen [BUN] and creatinine [Scr]), the blood coagulation indexes (fibrinogen [FIB], D-Dimer [D-D], p-selection and von Willebrand factor [vWF]), total cholesterol (TC) and triacylglycerol (TG) levels were observed, and the therapeutic efficacy was evaluated on 3 and 6 months into treatment in the two groups.The effective rates of 3 and 6 months into treatment were 78.6% (22/28) and 89.3% (25/28) in the observation group, which were higher than 62.1% (18/29) and 75.9% (22/29) in the control group respectively (Moxibustion combined with basic treatment can effectively improve the clinical symptoms, renal function and renal microcirculation in patients with idiopathic membranous nephropathy of low to medium risk with spleen-kidney deficiency and blood stasis, the therapeutic effect is superior to the simple basic treatment.
- Published
- 2021
12. [CH3NH3][M(HCOO)3]-based 2D porous NiCo2S4 nanosheets for high-performance supercapacitors with high power densities
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Ma, Xin, Guo, Qin, Zhang, Jingmei, Su, Zhi, Zhou, Shuxing, Wei, Longyang, Li, Shouzhu, Yue, Fan, Wågberg, Thomas, and Hu, Guangzhi
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[CH3NH3][M(HCOO)3] ,General Chemical Engineering ,Materials Chemistry ,Materialkemi ,Environmental Chemistry ,General Chemistry ,Asymmetric supercapacitors ,NiCo2S4 ,Two-dimensional porous nanosheets ,Industrial and Manufacturing Engineering - Abstract
Cost-effective and high-performance electrode materials for energy storage and conversion are essential for commercial applications. In this work, the influence of solvent on the morphologies of [CH3NH3][M(HCOO)3] precursors was studied to design and synthesize two-dimensional (2D) porous NiCo2S4 nanosheets with different structures. As an electrode material for supercapacitors, Microflower-NiCo2S4 exhibits excellent capacitance (1,141 F g−1 at 1 A g−1) and stability (88.2% of initial capacitance maintained after 5,000 cycles at 5 A g−1). Moreover, an asymmetric capacitor was constructed using Microflower-NiCo2S4 and porous carbon (PC) and demonstrated an energy density of 51.25 Wh kg−1 at a power density of 397.5 W kg−1. When two Microflower-NiCo2S4//PC asymmetric supercapacitors were assembled in series, the device supplied power for an alarm clock with dimensions of 6.1 × 6.1 cm2 for more than 32 min. Therefore, the preparation of metal sulfides and metal oxides with hollow structures using a [CH3NH3][M(HCOO)3]-template has potential applications in energy storage and conversion.
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- 2022
13. TNF-α-elicited miR-29b potentiates resistance to apoptosis in peripheral blood monocytes from patients with rheumatoid arthritis
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Liu Liping, Su-Zhi Wang, Kun-Yi Wu, Dan Liu, Baodi Ren, Yanyan Lv, Jia-Yu Liu, and Jun-Li Zhang
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0301 basic medicine ,Cancer Research ,Cell Survival ,medicine.medical_treatment ,Clinical Biochemistry ,Lipopolysaccharide Receptors ,Pharmaceutical Science ,Apoptosis ,Antibodies, Monoclonal, Humanized ,Monocytes ,Cell Line ,Proinflammatory cytokine ,Arthritis, Rheumatoid ,Mice ,03 medical and health sciences ,0302 clinical medicine ,Downregulation and upregulation ,Immunopathology ,microRNA ,Animals ,Humans ,Medicine ,Receptor ,Cells, Cultured ,Pharmacology ,Tumor Necrosis Factor-alpha ,business.industry ,Macrophages ,Biochemistry (medical) ,High Mobility Group Proteins ,3T3 Cells ,Cell Biology ,Immunotherapy ,Infliximab ,Up-Regulation ,Repressor Proteins ,MicroRNAs ,030104 developmental biology ,030220 oncology & carcinogenesis ,Cancer research ,Cytokines ,Tumor necrosis factor alpha ,Apoptosis Regulatory Proteins ,business ,Signal Transduction - Abstract
CD14-positive monocytes from patients with rheumatoid arthritis (RA) are more resistant to apoptosis, which promotes their persistence at the inflammatory site and thereby contributes crucially to immunopathology. We sought to elucidate one mechanism underlying this unique pathogenesis: resistance to apoptosis and the potential involvement of miR-29b in this process. CD14-positive peripheral blood monocytes (PBMs) from RA patients were observed to be resistant to spontaneous apoptosis compared to PBMs from healthy volunteers. Intriguingly, expression of miR-29b was significantly upregulated in PBMs from RA patients than those from healthy volunteers, and this upregulation was correlated with RA disease activity. Functionally, forced expression of the exogenous miR-29b in CD14-positive Ctrl PBMs conferred resistance to spontaneous apoptosis and Fas-induced death, thereafter enhancing the production of major proinflammatory cytokines in there cells. Following identification of the potential miR-29b target transcripts using bioinformatic algorithms, we showed that miR-29b could directly bind to the 3'-UTR of the high-mobility group box-containing protein 1 (HBP1) and inhibited its transcription in PBMs. Importantly, stable expression of the exogenous HBP1 in differentiated THP-1 monocytes effectively abolished miR-29b-elicited resistance to Fas-induced apoptosis. Finally, among patients with RA and good clinical responses to immunotherapy, expression levels of miR-29b were significantly compromised in those treated with infliximab (a TNF-α inhibitor) but not in those treated with tocilizumab (a humanized mAb against the IL-6 receptor), pointing to a potential association between miR-29b activation and TNF-α induction. The available data collectively suggest that TNF-α-elicited miR-29b potentiates resistance to apoptosis in PBMs from RA patients via inhibition of HBP1 signaling, and testing patients for miR-29b/HBP1 expression ratios may provide more accurate prognostic information and could influence the recommended course of immunotherapy.
- Published
- 2019
14. Y3Ce7Ta2O23.5 and Yb3Ce7Ta2O23.5—Two kinds of novel ceramics for thermal barrier coatings
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Mai Wen-peng, Yang Xianfeng, Wang Shi-min, Zhang Hongsong, Zhu Wei-wei, Wang Fei, Duan Qunpeng, Su Zhi-he, and Sun Debing
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010302 applied physics ,Materials science ,Phonon scattering ,Process Chemistry and Technology ,Sintering ,02 engineering and technology ,021001 nanoscience & nanotechnology ,01 natural sciences ,Thermal expansion ,Surfaces, Coatings and Films ,Electronic, Optical and Magnetic Materials ,Thermal barrier coating ,Thermal conductivity ,Lattice (order) ,visual_art ,0103 physical sciences ,Thermal ,Materials Chemistry ,Ceramics and Composites ,visual_art.visual_art_medium ,Ceramic ,Composite material ,0210 nano-technology - Abstract
For the development of ceramic candidates for thermal barrier coatings, two kinds of new ceramics, Y3Ce7Ta2O23.5 and Yb3Ce7Ta2O23.5, were synthesized by sintering at 1873 K for 10 h. The obtained samples were composed of a single fluorite-type phase, and their relative densities are greater than 90%. Because of phonon scattering caused by the complex lattice, the large number of oxygen vacancies, and substituted atoms, the thermal conductivity is lower than that of 8YSZ. The coefficients of thermal expansion (CTEs) of these two products are located in the range of 10.22–12.57 × 10−6/K and 9.62–12.66 × 10−6/K, respectively, from 323 K to 1473 K, and they also exhibit excellent phase stability up to 1473 K. However, their thermal conductivities and CTEs are lower than those of RE2Ce2O7 (RE = La, Nd, or Sm).
- Published
- 2019
15. Structural and thermophysical performances of Sm2LaTaO7 and Gd2LaTaO7 oxides
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Zhang Haoming, Chen Xiaoge, Zhang Hongsong, Su Zhi-he, Lu Kui, and Wang Fei
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Ionic radius ,Materials science ,Phonon scattering ,Condensed matter physics ,Process Chemistry and Technology ,Solid-state ,chemistry.chemical_element ,02 engineering and technology ,010402 general chemistry ,021001 nanoscience & nanotechnology ,Microstructure ,01 natural sciences ,Oxygen ,0104 chemical sciences ,Surfaces, Coatings and Films ,Electronic, Optical and Magnetic Materials ,chemistry ,Lattice (order) ,Materials Chemistry ,Ceramics and Composites ,Orthorhombic crystal system ,0210 nano-technology ,Yttria-stabilized zirconia - Abstract
In this present paper, two kinds of Ln2BTaO7 (Ln=Sm, Gd) oxides were prepared by solid state reaction at 1873 K for ten hours. The phase-composition, microstructure and thermophysical performances of sintered samples were studied. Results show that the synthesized Ln2BTaO7 oxides present onefold orthorhombic weberite lattice. Due to the phonon scattering resulted by complex crystal-lattice and numerous oxygen vacancies, the heat conductivities of obtained products are less than that of YSZ. Because of the low ionic radius of Sm3+ ions,the heat expansion quotiety of Sm2LaTaO7 is greater than that of Gd2LaTaO7.
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- 2018
16. The Application of a Desktop NMR Spectrometer in Drug Analysis
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Cuiwu Lin, Qiu-lian Luo, Xuan Luo, Su-zhi Yao, Yong-hong Zhong, Kejian Huang, Yang Ning, and Liu Xiaofeng
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lcsh:QD71-142 ,Article Subject ,Spectrometer ,Computer science ,010401 analytical chemistry ,lcsh:Analytical chemistry ,010402 general chemistry ,01 natural sciences ,Nmr data ,0104 chemical sciences ,Analytical Chemistry ,Computational science ,Data library ,Drug analysis ,Research Article - Abstract
A desktop NMR spectrometer was used to qualitatively analyze samples in drug-related cases in order to enhance the accuracy of the results and identify new drugs. Twelve known drugs and their derivatives were used to establish the parameters, conditions, and procedures for the methods and validate the feasibility and reliability of the methods. First, 1-D and 2-D NMR data for these 12 drugs and their derivatives were obtained in detail using a 600-MHz NMR spectrometer to create a data library. Next, some of these 12 drugs were analyzed using a Picospin 80 MHz desktop NMR spectrometer to set up the analytical procedure and method. With the procedure and method established, real case samples were analyzed and the data were compared to those obtained by a standard method. The results indicate that the desktop NMR spectrometer is a reliable and promising approach that can be used in criminology to quickly identify whether or not samples contain illegal drugs.
- Published
- 2018
17. Convolutional Neural Network Algorithm based on Improved Support Vector Machine
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Zhang Su-zhi and Wu Yuhong
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Support vector machine ,ComputingMethodologies_PATTERNRECOGNITION ,Contextual image classification ,Computer science ,Improved algorithm ,Softmax function ,ComputingMethodologies_IMAGEPROCESSINGANDCOMPUTERVISION ,Multiple classification ,Recognition algorithm ,Algorithm ,Convolutional neural network ,Classifier (UML) - Abstract
This electronic Aiming at the problem that the traditional Convolutional Neural Network algorithm uses the Softmax function to classify tires with poor accuracy, a convolutional neural network image classification and recognition algorithm based on improved support vector machine is proposed. This algorithm uses the support vector machine instead of the Softmax function to complete the image classification problem in the convolutional neural network algorithm. At the same time, a relaxation variable and a penalty factor are introduced into the traditional support vector machine, thereby changing the support vector machine to be used for classifier for multiple classification problems. This improved algorithm is applied to tire damage image recognition. Through a series of comparison experiments between the improved algorithm and the traditional convolutional neural network algorithm, the classification and recognition effects of the improved algorithm on the classification and recognition of damaged tire images are analyzed. The effectiveness of the proposed improved algorithm is proved.
- Published
- 2020
18. Two new troponoides with anti-inflammatory activity from the stems of
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Dong, Zheng, Jian-Yu, Zhang, Wen-Hao, Fu, Shun-Zhi, Liu, Su-Zhi, Xie, Zheng, Wang, and Ying-Kun, Qiu
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Lipopolysaccharides ,Mice ,RAW 264.7 Cells ,Plant Extracts ,Juniperus ,Macrophages ,Anti-Inflammatory Agents ,Animals - Abstract
Two new troponoides (
- Published
- 2020
19. Two new troponoides with anti-inflammatory activity from the stems of Juniperus formosana Hayata
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Su-Zhi Xie, Ying-Kun Qiu, Shun-Zhi Liu, Jian-Yu Zhang, Dong Zheng, Wen-Hao Fu, and Zheng Wang
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Electrospray ,Lipopolysaccharide ,Cupressaceae ,biology ,010405 organic chemistry ,medicine.drug_class ,Organic Chemistry ,High resolution ,Plant Science ,Mass spectrometry ,biology.organism_classification ,Juniperus formosana ,01 natural sciences ,Biochemistry ,Anti-inflammatory ,0104 chemical sciences ,Analytical Chemistry ,010404 medicinal & biomolecular chemistry ,chemistry.chemical_compound ,chemistry ,medicine - Abstract
Two new troponoides (1–2) were isolated from a 95% ethanol extract of the stems of Juniperus formosana (Cupressaceae), together with six known compounds (3–8). The structures of the new compounds were comprehensively characterized by high resolution electrospray ionization-mass spectrometry (HR-ESI-MS), 1D and 2D nuclear magnetic resonance (NMR). Compounds 1–7 were evaluated for their anti-inflammatory against the expression of IL-1β, IL-6 and TNF-α in lipopolysaccharide (LPS)-induced RAW 264.7 macrophages. The new compounds showed moderate anti-inflammatory effect, while other compounds did show no activity.
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- 2020
- Full Text
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20. On positronium states in ${\rm{QED_3}}$
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Liu, Chang-Yong, Li, You-Wei, and Wu, Su-Zhi
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High Energy Physics - Theory ,High Energy Physics - Theory (hep-th) ,FOS: Physical sciences - Abstract
In this note, we present a new method to investigate the positronium states in ${\rm{QED_3}}$. According to the $\rm{K\ddot{a}ll\acute{e}n-Lehmann}$ spectral representation, the energy eigenvalues of bound states are poles of the correlation function. Using the chain approximation, we obtain the energy eigenvalues of the vector positronium states by taking into account the single-valued branches of multi-valued function. Using the same method, we also find the electron physical mass at some single-valued branch of multi-value function. Our results are agreement with the known ones., Comment: 11 pages, 11 figures
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- 2020
- Full Text
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21. Synovial GATA1 mediates rheumatoid arthritis progression via transcriptional activation of NOS2 signaling
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Qing-Ping Chen, Liu Liping, Dan Liu, Tuan-Ping Cao, Su-Zhi Wang, Shu-Ping Wei, Li-Qin Zhi, and Huan Liu
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030203 arthritis & rheumatology ,0301 basic medicine ,Small interfering RNA ,Immunology ,GATA1 ,Biology ,Microbiology ,Proinflammatory cytokine ,Cell biology ,03 medical and health sciences ,030104 developmental biology ,0302 clinical medicine ,Synovial Cell ,Transcription (biology) ,Virology ,Transcriptional regulation ,STAT protein ,Transcription factor - Abstract
Transcriptional regulation of inducible nitric oxide synthase (iNOS) is critically involved in the pathogenesis and progression of rheumatoid arthritis (RA); however, the specific transcription factors that control this process remain largely unidentified. In the present study, it was discovered that expression of the key erythroid factor, globin transcription factor 1 (GATA1), is significantly greater in human RA synovial tissues than in osteoarthritis (OA) tissues. IL 6 was found to induce synovial GATA1 expression in a signal transducer and activator of transcription 3-dependent manner. Functionally, knockdown of GATA1 expression using specific small interfering RNA treatment was found to compromise immunoreaction-elicited expression of proinflammatory cytokines and thus impair invasiveness of the human fibroblast-like synovial cell line MH7A, whereas introduction of exogenous GATA1 was found to promote production of proinflammatory cytokines, leading to greater aggressiveness of MH7A cells. Mechanistically, GATA1 acts as the transcriptional coactivator of NOS2 (the gene encoding iNOS) transcription. Collectively, these data suggest that synovial GATA1 is an essential contributor to development and exacerbation of RA, presumably by inducing NOS2 transcription.
- Published
- 2018
22. Fraunhofer diffraction simulation of a vortex beam through any apertures
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Huo Jian-Nan, Xie Kun-Rui, and Su Zhi-Kun
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Physics ,Field (physics) ,Aperture ,business.industry ,Numerical analysis ,Fast Fourier transform ,General Physics and Astronomy ,Dot product ,Fraunhofer diffraction ,symbols.namesake ,Optics ,symbols ,business ,MATLAB ,computer ,Topological quantum number ,computer.programming_language - Abstract
A general Matlab program is designed to simulate the Fraunhofer diffraction patterns of a vortex beam through any apertures, which are usually used to compare with the experimental results in detecting the topological charge of a vortex beam. Two significant matrices are suggested in the above program: one related to the aperture, the other concerned with the field of vortex beam. Using the fast Fourier transform function provided within the Matlab software itself to process the dot product of the above two matrices, one obtains the field on the observation screen. The program is applied to a rectangular aperture and an annular triangle aperture. The results agree well with the computational analysis of previous references. This paper is to describe how Matlab can be used to perform complex mathematical calculations without bogging down the student with the details of the numerical methods and it may be particularly useful for graduate students who engage in the study of topological charge detection and identification.
- Published
- 2021
23. Sol–gel synthesis of nanostructure LiFeBO3/C lithium-ion cathode materials with high storage capacity
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Su Zhi, Ma Ting, and Xiaofeng Gu
- Subjects
Nanostructure ,Materials science ,02 engineering and technology ,General Chemistry ,010402 general chemistry ,021001 nanoscience & nanotechnology ,Condensed Matter Physics ,01 natural sciences ,0104 chemical sciences ,Electronic, Optical and Magnetic Materials ,Dielectric spectroscopy ,Biomaterials ,symbols.namesake ,Carbon film ,Chemical engineering ,Transmission electron microscopy ,Materials Chemistry ,Ceramics and Composites ,symbols ,Particle ,Composite material ,Cyclic voltammetry ,0210 nano-technology ,Raman spectroscopy ,Sol-gel - Abstract
Nanostructure LiFeBO3/C composite is synthesized by sol–gel method using CH3COOLi·2H2O, Fe(NO3)3·9H2O, H3BO3 and citric acid as starting materials. The crystal structure, morphology and electrochemical properties of LiFeBO3/C composites are characterized by X-ray diffraction, transmission electron microscopy, raman spectroscopy (Raman), cyclic voltammetry, electrochemical impedance spectroscopy and charge–discharge tests. The LiFeBO3/C is comprised of individual near spherical particles of the size range 40–60 nm, and well coated by thin carbon layer. The LiFeBO3/C can deliver an initial discharge capacity of 205.8 mAh g−1 under the current density of 10 mA g−1 in the potential range 1.8–4.5 V, and it can deliver the capacity of 159.3 mAh g−1 after 20 cycles. When the current density is increased to 20 and 40 mA g−1, the capacity of LiFeBO3/C could also be retained at 120.6 and 102.6 mAh g−1. The excellent cycling performance indicates, the materials have good application prospect. The morphology and size of the sol-gel synthetic LiFeBO3 materials are characterizedby TEM were shown in the Figure. It can illustrate that the LiFeBO3/C consists of individual near spherical particles of the size range 40∼60 nm. With further investigate by HR-TEM that LiFeBO3/C showed clear crystal lattice stripes and a uniform carbon film is coated on the particle surface.
- Published
- 2016
24. Optimal Operating Mode Selection of Ambient Backscatter Communication Systems
- Author
-
Su-zhi Bi, Shuai Yang, Xiao-hui Lin, and Li-na Yuan
- Subjects
Dynamic programming ,Knapsack problem ,Computer science ,Transmitter ,Electronic engineering ,Radio frequency ,Performance improvement ,Communications system ,Greedy algorithm ,Energy (signal processing) - Abstract
Ambient backscatter (AB) communication has emerged as an energy-preserving technology in Internet of Things (IoT). Specifically, an AB transmitter communicates with its receiver by backscattering ambient radio frequency (RF) signals instead of active information transmissions. When not operating in the communication mode, the AB transmitter can instead harvest the RF energy to replenish its battery, e.g., for supplying sensing energy consumptions. In this paper, we consider the optimal operating mode selection problem of the AB system that the transmitter decides either backscatter information or harvest energy based on the time-varying ambient RF signal strength. In particular, we aim to maximize the long-term average communication data rate given that an average energy-harvesting budget constraint is met. We formulate the optimization as a 0-1 knapsack problem and propose a dynamic programming (DP) based solution algorithm and a reduced-complexity greedy algorithm. Furthermore, we simulate under various setups, and show that the two proposed algorithms can achieve significant performance improvement over other representative benchmark methods.
- Published
- 2019
25. Attitude determination of sanitation sweeper in working process
- Author
-
Niu Ying-kai, Guo Yu-zhuang, and Su Zhi-jian
- Subjects
History ,biology ,Sanitation ,Computer science ,Process (computing) ,Workload ,biology.organism_classification ,Laser assisted ,Computer Science Applications ,Education ,Working condition ,Transport engineering ,Work (electrical) ,Attitude determination ,Sweeper - Abstract
During the working process of the sanitation sweeper, it needs to be parallel to the curb and keep a certain distance to complete the cleaning work, so the driver must observe whether the distance between the side of the vehicle and the curb meets the working requirements at all times while considering the longitudinal driving. This will undoubtedly increase the workload of drivers, but also bring a lot of driving difficulties, easy to drive fatigue, resulting in traffic accidents. In this case, it is necessary to use the auxiliary driving technology to assist the sanitation sweeper driver to complete the cleaning work. Based on the actual working condition of sanitation sweeper, a scheme suitable for judging the attitude of sanitation sweeper is proposed. A line laser assisted vision rangefinder is designed to judge the attitude of sanitation sweeper. This scheme is simple and easy to operate, and the image processing speed is fast, which is suitable for popularization.
- Published
- 2021
26. Chemical properties and antioxidant activity of a water-soluble polysaccharide from Dendrobium officinale
- Author
-
Yong-hong Zhong, Zhuan-hui Tang, Su-zhi Yao, Cuiwu Lin, Xuan Luo, Qiu-lian Luo, Lisheng Wang, and Xue-feng Zhang
- Subjects
Arabinose ,DPPH ,Mannose ,02 engineering and technology ,Polysaccharide ,01 natural sciences ,Biochemistry ,Antioxidants ,Dendrobium ,chemistry.chemical_compound ,Picrates ,Polysaccharides ,Structural Biology ,Carbohydrate Conformation ,Organic chemistry ,Glycosides ,Molecular Biology ,Ethanol precipitation ,chemistry.chemical_classification ,Chromatography ,Plant Stems ,biology ,Plant Extracts ,010405 organic chemistry ,Chemistry ,Hexuronic Acids ,Biphenyl Compounds ,Solid Phase Extraction ,General Medicine ,Chromatography, Ion Exchange ,021001 nanoscience & nanotechnology ,biology.organism_classification ,0104 chemical sciences ,Molecular Weight ,Biphenyl compound ,Glucose ,Chromatography, Gel ,Hydroxyl radical ,0210 nano-technology - Abstract
In this report, a water-soluble polysaccharide was obtained from the dried stems of Dendrobium officinale Kimura et Migo by hot-water (70-75°C) extraction and 85% ethanol precipitation, and successively purification by DEAE-cellulose anion-exchange chromatography and gel-permeation chromatography. The D. officinale polysaccharide (DOP) has a molecular weight of 8500Da. Monosaccharide composition analysis reveals that DOP is composed of mannose, glucose, and arabinose with a trace of galacturonic acid in a molar ratio of 6.2:2.3:2.1:0.1. Periodate oxidation-smith degradation and 1D and 2D NMR spectroscopy analysis suggest the predominance of mannose and glucose, and it contains a 2-O-acetylglucomannan and (1→4)-linked-β-d-mannopyranosyl and (1→4)-linked-β-d-glucopyranosyl residues. Atomic force microscope shows that DOP mainly exists as rod-shaped chains, supporting high degrees of polymerization. The antioxidant activities of the polysaccharide in vitro assay indicate that DOP has good scavenging activity of 1,1-diphenyl-2-picrylhydrazyl (DPPH) radical, higher scavenging activity of hydroxyl radical, and metal chelating activities.
- Published
- 2016
27. Inversion of quartz glass and green paint based on polarization characters
- Author
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颜昌翔 Yan Chang-xiang, 杨 斌 Yang Bin, 苏志强 Su Zhi-qiang, and 张军强 Zhang Jun-qiang
- Subjects
Materials science ,Optics ,business.industry ,Inversion (meteorology) ,Polarization (waves) ,business ,Quartz ,Atomic and Molecular Physics, and Optics - Published
- 2016
28. Wind tunnel and flight tests of glider flow separation control by microsecond dielectric barrier discharge
- Author
-
Yuhao Jia, Hua Liang, Wei Biao, Zheng Xing, Su Zhi, Xie Like, and Guo-Zheng Song
- Subjects
010302 applied physics ,Materials science ,Frequency band ,business.industry ,Mechanical Engineering ,Glider ,02 engineering and technology ,Dielectric barrier discharge ,021001 nanoscience & nanotechnology ,01 natural sciences ,Flight test ,Flow separation ,Microsecond ,Plasma flow ,0103 physical sciences ,Aerospace engineering ,0210 nano-technology ,business ,Wind tunnel - Abstract
As a new kind of active flow control technology, plasma flow control has a bright future, for its simple structure, fast response, and wide frequency band. The wind tunnel and flight tests were conducted with microsecond dielectric barrier discharge on a glider. For the tests, the microsecond pulse power supply and remote control system were designed and built. In the wind tunnel test, the flow separation on the glider wing surface can be controlled effectively, and static pressure at the leading edge pressure is decreases by 177%. The flow control effects under different pulse frequencies are compared, and the optimal pulse frequency for actuation is found to be 100 Hz. A significant hysteresis effect was observed with microsecond dielectric barrier discharge at small angle of attack (α ≤ 18°), which means the flow control effect can last more than 300 s after turning off the plasma actuation. In the flight test, the maximum roll angle decreases by 7.0°, and the maximum aileron deflection angle decreases by 9.4° with plasma actuation at both sides of the wing, which means the glider becomes more stable with microsecond dielectric barrier discharge. With unilateral actuation, the rolling moment generated by the plasma actuation is larger than that produced by the ailerons with the angle of attack within 12.94° ≤ α ≤ 29.77°, which shows strong rolling control ability of microsecond dielectric barrier discharge. The wind tunnel and flight tests results verified the flow control effect of microsecond dielectric barrier discharge, and paved the way for the plasma flow control technology to practical applications.
- Published
- 2020
29. Characteristics of pulsed surface arc discharge actuator and its verification of flow control over a Delta wing
- Author
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Biao Wei(魏彪), Wei-zhuo Hua, Hua Liang, Hesen Yang, Su Zhi, Like Xie, and Guang-Yin Zhao(赵光银)
- Subjects
010302 applied physics ,Lift coefficient ,Materials science ,Delta wing ,Angle of attack ,Metals and Alloys ,02 engineering and technology ,Dielectric barrier discharge ,Mechanics ,Pulsed power ,021001 nanoscience & nanotechnology ,Condensed Matter Physics ,01 natural sciences ,Schlieren imaging ,Surfaces, Coatings and Films ,Electronic, Optical and Magnetic Materials ,Computer Science::Robotics ,Physics::Fluid Dynamics ,Electric arc ,Flow control (fluid) ,0103 physical sciences ,Electrical and Electronic Engineering ,0210 nano-technology ,Instrumentation - Abstract
A actuation system composed of actuators, circuit board, and microsecond pulse power has been designed to conduct pulsed surface arc discharge (PSAD) actuation. The instantaneous impulse energy of PSAD is higher than that of typical dielectric barrier discharge. Schlieren imaging and particle image velocity (PIV) technique have been used to characterize the flow field changes caused by actuation in quiescent air. A localized pressure wave is induced by every actuation, propagating in the air almost at the speed of sound. Special emphasis is given on the hot air mass observed in schlieren imaging, generating thermal convection disturbances in the flow field. A pair of a weak reverse vortex is generated after discharge for each actuator, with the maximum propagation velocity of 0.1 m/s. The induced burst perturbations indicate that the mechanism of plasma flow control based on PSAD is instantaneous heat release generated by PSAD actuation. Wind tunnel experiments were conducted on a 30 ° sweep delta wing to investigate the aerodynamic control effects by using PSAD actuation. The 12-channel PSAD actuation can effectively improve the aerodynamic performance of the delta wing, delay the angle of attack from 14 ° to 18 ° and increase the maximum lift coefficient by 12.9%. In this article, PSAD actuation has the ability to control low speed fluid flow separation by releasing very strong discharge power.
- Published
- 2019
30. Joint Energy and Data Storage Management for Cost Reduction in Renewable Cellular Networks
- Author
-
Xiao-Hui Lin, Zi-Dong Zheng, and Su-Zhi Bi
- Subjects
Cost reduction ,Computer science ,business.industry ,Computer data storage ,Cellular network ,Joint (building) ,business ,Energy (signal processing) ,Renewable energy ,Reliability engineering - Published
- 2018
31. Synovial GATA1 mediates rheumatoid arthritis progression via transcriptional activation of NOS2 signaling
- Author
-
Huan, Liu, Shu-Ping, Wei, Li-Qin, Zhi, Li-Ping, Liu, Tuan-Ping, Cao, Su-Zhi, Wang, Qing-Ping, Chen, and Dan, Liu
- Subjects
STAT3 Transcription Factor ,Transcriptional Activation ,Interleukin-6 ,Synovial Membrane ,Nitric Oxide Synthase Type II ,Fibroblasts ,Immunohistochemistry ,Cell Line ,Arthritis, Rheumatoid ,Gene Expression Regulation ,Disease Progression ,Cytokines ,Humans ,GATA1 Transcription Factor ,Signal Transduction - Abstract
Transcriptional regulation of inducible nitric oxide synthase (iNOS) is critically involved in the pathogenesis and progression of rheumatoid arthritis (RA); however, the specific transcription factors that control this process remain largely unidentified. In the present study, it was discovered that expression of the key erythroid factor, globin transcription factor 1 (GATA1), is significantly greater in human RA synovial tissues than in osteoarthritis (OA) tissues. IL 6 was found to induce synovial GATA1 expression in a signal transducer and activator of transcription 3-dependent manner. Functionally, knockdown of GATA1 expression using specific small interfering RNA treatment was found to compromise immunoreaction-elicited expression of proinflammatory cytokines and thus impair invasiveness of the human fibroblast-like synovial cell line MH7A, whereas introduction of exogenous GATA1 was found to promote production of proinflammatory cytokines, leading to greater aggressiveness of MH7A cells. Mechanistically, GATA1 acts as the transcriptional coactivator of NOS2 (the gene encoding iNOS) transcription. Collectively, these data suggest that synovial GATA1 is an essential contributor to development and exacerbation of RA, presumably by inducing NOS2 transcription.
- Published
- 2017
32. Data Integration and Mining based on Web Big Data
- Author
-
Su-Zhi Zhang, Xu-Kai Qu, and Jia-Bin Sun
- Subjects
General Computer Science ,Computer science ,business.industry ,Big data ,business ,computer.software_genre ,Data science ,computer ,Data integration - Published
- 2015
33. Gap Junctions Enhance the Antiproliferative Effect of MicroRNA-124-3p in Glioblastoma Cells
- Author
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Liu Lucy, Tao Liang, Peng Yuexia, Zhang Su-zhi, Wang Qin, Zhang Yuan, and Hong Xiaoting
- Subjects
Cell cycle checkpoint ,Physiology ,Cell culture ,Clinical Biochemistry ,microRNA ,Gap junction ,Connexin ,Cell Biology ,Transfection ,U87 ,Biology ,G1 phase ,Cell biology - Abstract
MicroRNA (miRNA) holds promise as a novel therapeutic tool for cancer treatment. However, the transfection efficiency of current delivery systems represents a bottleneck for clinical applications. Here, we demonstrate that gap junctions mediate an augmentative effect on the antiproliferation mediated by miR-124-3p in U87 and C6 glioblastoma cells. The functional inhibition of gap junctions using either siRNA or pharmacological inhibition eliminated the miR-124-3p-mediated antiproliferation, whereas the enhancement of gap junctions with retinoic acid treatment augmented this miR-124-3p-mediated antiproliferation. A similar effect was observed in glioblastoma xenograft models. More importantly, patch clamp and co-culture assays demonstrated the transmission of miR-124-3p through gap junction channels into adjacent cells. In further exploring the impact of gap junction-mediated transport of miR-124-3p on miR-124-3p target pathways, we found that miR-124-3p inhibited glioblastoma cell growth in part by decreasing the protein expression of cyclin-dependent kinase 6, leading to cell cycle arrest at the G0 /G1 phase; moreover, pharmacological regulation of gap junctions affected this cell cycle arrest. In conclusion, our results indicate that the "bystander" effects of functional gap junctions composed of connexin 43 enhance the antitumor effect of miR-124-3p in glioblastoma cells by transferring miR-124-3p to adjacent cells, thereby enhancing G0 /G1 cell cycle arrest. These observations provide a new guiding strategy for the clinical application of miRNA therapy in tumor treatment.
- Published
- 2015
34. An Effective Math Model for Eliminating Interior Resonance Problems of EM Scattering
- Author
-
Zhou Zhong-shan, Zhang Yun-feng, Chen Ze-huang, Su Zhi-guo, and Wang Rong-zhu
- Subjects
Computer Science::Machine Learning ,Surface (mathematics) ,Radiation ,Article Subject ,Field (physics) ,Computation ,Mathematical analysis ,Resonance ,Geometry ,Filter (signal processing) ,Electric-field integral equation ,Condensed Matter Physics ,Computer Science::Digital Libraries ,Integral equation ,Statistics::Machine Learning ,Computer Science::Mathematical Software ,Electrical and Electronic Engineering ,Current density ,Mathematics - Abstract
It is well-known that if an E-field integral equation or an H-field integral equation is applied alone in analysis of EM scattering from a conducting body, the solution to the equation will be either nonunique or unstable at the vicinity of a certain interior frequency. An effective math model is presented here, providing an easy way to deal with this situation. At the interior resonant frequencies, the surface current density is divided into two parts: an induced surface current caused by the incident field and a resonance surface current associated with the interior resonance mode. In this paper, the presented model, based on electric field integral equation and orthogonal modal theory, is used here to filter out resonant mode; therefore, unique and stable solution will be obtained. The proposed method possesses the merits of clarity in concept and simplicity in computation. A good agreement is achieved between the calculated results and those obtained by other methods in both 2D and 3D EM scattering.
- Published
- 2015
35. Ecological wood anatomy of Rhizophora stylosa
- Author
-
Jun-Ming Zheng, Lu-Ying Ye, Chuan-Yuan Deng, Su-Zhi Guo, Qiu-Hua Xue, Wan-Chao Zhang, and Jian-Wen Sun
- Subjects
Ecology ,ved/biology ,ved/biology.organism_classification_rank.species ,Plant Science ,Rhizophora stylosa ,Biology ,Ecology, Evolution, Behavior and Systematics - Published
- 2015
36. Structural Feature and Electrochemical Performance of h-LiMnBO3 and Its Carbon Coated Material Prepared by Microwave Synthesis
- Author
-
Ma Ting, Arzugul Muslim, Nijat Ili, and Su Zhi
- Subjects
Materials science ,General Engineering ,Analytical chemistry ,Sintering ,Crystal structure ,Conductivity ,Material properties ,Electrochemistry ,Grain size ,Microwave ,Dielectric spectroscopy - Abstract
LiMnBO3 and its carbon coated material LiMnBO3/C were synthesized by a microwave method. The influences of sintering temperature and feed composition on the structure and the morphology of materials were investigated. XRD, SEM and HR-TEM were used to characterize the structure and the morphology of the materials. The electrochemical properties of materials were tested by constant charge-discharge and electrochemical impedance spectroscopy. The results show that LiMnBO3 has a hexagonal crystal structure (h-LiMnBO3). The good crystalline structure with small grain size can be obtained under the reaction conditions of 750 °C, 25 min and nLi:nB:nMn=1:1:1(molar ratio). The charge-discharge capacity and the conductivity of the carbon coated material are enhanced after carbon coating. The initial discharge capacity of LiMnBO3/C is 50.3 mAh/g.
- Published
- 2014
37. Multi-antenna Enabled Cluster-based Cooperation in Wireless Powered Communication Network
- Author
-
Su-zhi Bi, Li-na Yuan, Hui Wang, and Ming-quan Zhong
- Subjects
Wi-Fi array ,Computer science ,business.industry ,Wireless network ,Multi antenna ,Wireless ,Wireless WAN ,Wireless power transfer ,business ,Telecommunications network ,Cluster based ,Computer network - Published
- 2017
38. Numerical investigation of secondary flows through highly loaded transonic turbine stage
- Author
-
Lu Lipeng, Yangwei Liu, Muhammad Afzaal Asghar, and Su Zhi
- Subjects
Engineering ,business.industry ,020209 energy ,High loading ,Mechanical engineering ,02 engineering and technology ,Secondary flow ,Turbine ,High pressure ,0202 electrical engineering, electronic engineering, information engineering ,Stage (hydrology) ,business ,Design expertise ,Transonic ,Gas compressor - Abstract
The turbine aero-thermal design expertise has not reached the ultimate level in comparison to compressor expertise which has evolved to high loading, high pressure ratio design with a limited number of stages. For high pressure turbine section, single highly loaded stages are typically representative of wide class of advanced aero engines. The transonic turbines significantly operate at higher pressure ratios with less number of stages but at an expense of relatively lower efficiencies.
- Published
- 2017
39. Supplemental Material, Supple_Table_1_(2) - Novel Mutations in CFAP44 and CFAP43 Cause Multiple Morphological Abnormalities of the Sperm Flagella (MMAF)
- Author
-
Sha, Yan-Wei, Wang, Xiong, Xiaohui Xu, Su, Zhi-Ying, Yuanqing Cui, Mei, Li-Bin, Xian-Jing Huang, Chen, Jie, He, Xue-Mei, Ji, Zhi-Yong, Hongchu Bao, Xiaoyu Yang, Li, Ping, and Li, Lin
- Subjects
FOS: Clinical medicine ,FOS: Biological sciences ,110306 Endocrinology ,111599 Pharmacology and Pharmaceutical Sciences not elsewhere classified ,69999 Biological Sciences not elsewhere classified - Abstract
Supplemental Material, Supple_Table_1_(2) for Novel Mutations in CFAP44 and CFAP43 Cause Multiple Morphological Abnormalities of the Sperm Flagella (MMAF) by Yan-Wei Sha, Xiong Wang, Xiaohui Xu, Zhi-Ying Su, Yuanqing Cui, Li-Bin Mei, Xian-Jing Huang, Jie Chen, Xue-Mei He, Zhi-Yong Ji, Hongchu Bao, Xiaoyu Yang, Ping Li, and Lin Li in Reproductive Sciences
- Published
- 2017
- Full Text
- View/download PDF
40. Compact Polarization Beam Splitter Based on Surface Plasmon Polariton Silicon Waveguide
- Author
-
Jia Xu, Junbo Yang, Zheng Zhang Shao, Su Zhi Xu, and Zhou Kuo
- Subjects
Coupling ,Materials science ,Silicon ,business.industry ,Mechanical Engineering ,Finite-difference time-domain method ,Physics::Optics ,chemistry.chemical_element ,Optical polarization ,Surface plasmon polariton ,Waveguide (optics) ,Wavelength ,Optics ,chemistry ,Mechanics of Materials ,Optoelectronics ,General Materials Science ,Photonics ,business - Abstract
A compact polarization beam splitter (PBS) based on a silicon waveguide-silver nanoribbon-silicon waveguide is proposed and demonstrated numerically by utilizing the evanescent coupling between a strip-nanowire and a nanoslot waveguide. Two-dimensional (2-D) FDTD simulations were performed to elucidate the properties of surface plasmon polaritons (SPPs) in this device made from silicon-metal-silicon, and were found to agree well with the theoretical predictions. TE and TM polarized light are respectively separated into two different output ports of Y-shaped silicon waveguide in which the coupling efficiency is 62% and 45% for 1.55μm wavelength, respectively. The proposed PBS structure could be utilized to develop ultracompact optical polarization modulating device for large-scale photonic integration and optical information processing.
- Published
- 2014
41. A Series of Luminescent Lanthanide–Organic Complexes Constructed from In Situ Generated Dithiobenzoic Acid
- Author
-
Yi-Ping Chen, Jie-Cen Zhong, Su-Zhi Ge, Yan-Qiong Sun, and Fang Wan
- Subjects
Lanthanide ,Crystallography ,Materials science ,Photoluminescence ,Polymers and Plastics ,Ligand ,Hydrogen bond ,Inorganic chemistry ,Materials Chemistry ,Supramolecular chemistry ,Chelation ,Isostructural ,Luminescence - Abstract
Two types of lanthanide thiolato-carboxylate complexes, [Type I: [Yb(dtba) (Hdtba)]n (1), Type II: [Ln(dtba)1.5(biim)]n (Ln = Pr (2a), Nd (2b), Sm (2c), Eu (2d), Gd (2e), Tb (2f), Dy (2g), H2dtba = 2,2′-dithiodibenzoic acid, bimm = diimidazole)] have been obtained by hydrothermal method and characterized by the single-crystal X-ray diffraction, IR, 2D-COS IR, TG and the luminescence analysis. The H2dtba ligand came from the in situ S–S function reaction of 2-mercaptobenzoic acid (H2mba) under the hydrothermal condition. Complex 1 is a 2D bamboo-like sqr-topology layered structure, and the 3D (4, 4, 6)-connected supramolecular frameworks is produced by the hydrogen bonds of O–H···O. Complexes of type II (from 2a to 2g) are isostructural and they are assigned to 1D rope-like chains by introducing the chelating ligand of diimidazole. These 1D rope-like chains are further linked by N–H···O hydrogen bonds into a 3D supramolecular framework with CdSO4-type topology. Photoluminescence studies reveal that complexes 2b, 2c, 2d, 2f, 2g exhibit strong lanthanide characteristic emission bands in the solid state at room temperature.
- Published
- 2014
42. Nowcasting and Short-term Forecasting of Chinese Quarterly GDP: Mixed Frequency Approach
- Author
-
Wang Xiang, Su Zhi fang, and He Kai
- Subjects
Mixed frequency ,Autoregressive model ,Nowcasting ,Anthropology ,Economics ,Econometrics ,Frequency data ,Term (time) ,Vector autoregression ,Interpolation ,Mixed-data sampling - Abstract
Conventional macroeconomic forecasting model must change the mixed frequency data into the same frequency data by means of aggregation and interpolation, which ignores the information of high frequency data and decreases the timeliness and accuracy of nowcasting and short-term forecasting. Using monthly and quarterly macroeconomic data, this paper apply mixed data sampling (MIDAS) model and mixed-frequency VAR model (MF-VAR) to nowcast and forecast Chinese quarterly GDP growth rate. The results show that MIDAS model considering an autoregressive item tends to perform better in shorter horizons, whereas MF-VAR model in longer horizons. Additionally, the pooled forecast of MIDAS model and MF-VAR model outperform the individual models. Finally, forecasting results reveal that China's quarterly GDP growth will rebound steadily from the beginning of the third quarter of 2012
- Published
- 2014
43. Adsorption-enrichment and Localized-photodegradation of Bentonite-supported Red Phosphorus Composites
- Author
-
Ainiwa Mu-Ni-Re, Zhu En-Quan, Su Zhi, and MA Yu-Hua
- Subjects
Inorganic Chemistry ,Materials science ,Adsorption ,chemistry ,Chemical engineering ,Phosphorus ,Bentonite ,Photocatalysis ,chemistry.chemical_element ,General Materials Science ,Photodegradation - Published
- 2019
44. Diversity of cultivable microorganisms of Davidia involucrate in rhizosphere soil
- Author
-
Wu Qing gui, Yang Yu lian, Wang Ao, Su Zhi xian, Zou Li juan, Yang Jing tian, and He Jing
- Subjects
Rhizosphere ,Biomass (ecology) ,biology ,Host (biology) ,Microorganism ,Plant Science ,Rhizobacteria ,biology.organism_classification ,Microbiology ,Infectious Diseases ,Streptomyces isolates ,DNA profiling ,Botany ,Bacteria - Abstract
The purpose of this study was to assay the cultivable microorganisms of Davidia involucrate in rhizosphere soil and to analyze their diversity using colony and individual morphology and genetic profiling methods. A total of 118 strains were obtained after colony characterization and a microscopic examination, including 52 bacteria strains, 27 actinomycetes strains and 39 fungi strains. Fifty-seven (57) of these strains were randomly selected for rDNA analysis and phylogenetic identification, including 23 rhizobaceria isolates, 29 fungi isolates, and five streptomyces isolates. The selected isolates were accurately identified at the genus level with consistent results using a morphology examination and phylogenetic identification. From the study, we concluded the following: (1) Bacillus, Lactobacillus, Azotobacter, and Streptomyces are predominant microorganisms of D. involucrate in rhizophere soil and Bacillus is a dominant rhizobacteria that might have potential in host growth promotion; (2) the physiological activity of dovetree could significantly influence the microorganism biomass of the rhizophere soil; and (3) the dovetree is a highly complex rhizosphere ecosystem, and additional research on this topic should be carried out in the future. Key words: Rhizosphere microorganism, Davidia involucrate, plant growth promotion, soil.
- Published
- 2013
45. Testing Study on Surface Grinding of Post-High-Temperature Granite
- Author
-
Jin Guo Yang, Zi Yu Zhao, and Su Zhi Zhang
- Subjects
Materials science ,Brittleness ,Metallurgy ,Thermal ,Surface grinding ,General Medicine ,Auxiliary heating ,Thermal load ,Grinding - Abstract
For hard, brittle and difficult-to-cut materials, the technology heating auxiliary grinding has a significant role in improving productivity and reducing costs. Using different thermal loads and different ways of cooling to load granite,we carried out surface grinding experiments. We tested and analyzed variation of the grinding force and specific grinding energy. The results showed that strengthening the thermal load continuously, the grinding force and specific grinding energy reduce. This phenomenon significantly improves grinding efficiency and reduces the wear of wheel. Studies have shown that the auxiliary heating has an important contribution to enhance the production capacity of the stone processing.
- Published
- 2013
46. Debris flows introduced in landslide deposits under rainfall conditions: The case of Wenjiagou gully
- Author
-
Zhou Jia-wen, Yang Xingguo, Cui Peng, Guo Xiaojun, and SU Zhi-man
- Subjects
Hydrology ,Global and Planetary Change ,Geography, Planning and Development ,Geology ,Landslide ,Rainfall infiltration ,Debris ,Debris flow ,Mudflow ,Geotechnical engineering ,Surface runoff ,Saturation (chemistry) ,Surface water ,Nature and Landscape Conservation ,Earth-Surface Processes - Abstract
Debris flows often occur in landslide deposits during heavy rainstorms. Debris flows are initiated by surface water runoff and unsaturated seepage under rainfall conditions. A physical model based on an infinitely long, uniform and void-rich sediment layer was applied to analyze the triggering of debris-flow introduced in landslide deposits. To determine the initiation condition for rainfall-induced debris flows, we conducted a surface water runoff and saturated-unsaturated seepage numerical program to model rainfall infiltration and runoff on a slope. This program was combined with physical modeling and stability analysis to make certain the initiation condition for rainfall-introduced debris flows. Taking the landslide deposits at Wenjiagou gully as an example, the initiation conditions for debris flow were computed. The results show that increase height of surface-water runoff and the decrease of saturated sediment shear strength of are the main reasons for triggering debris-flows under heavy rainfall conditions. The debris-flow triggering is affected by the depth of surface-water runoff, the slope saturation and shear strength of the sediment.
- Published
- 2013
47. Synthesis, crystal structures and intermolecular interactions of two Mn(II) complexes with 4,4′-bipy and methyl benzoates
- Author
-
Chai Feng, Zhao Ling-Yan, Ge Su-Zhi, Xia Ze-Min, Chen Jian-zhong, Chen Yiping, and Wu Xin-Jian
- Subjects
Chemistry ,Hydrogen bond ,Organic Chemistry ,Intermolecular force ,Stacking ,Crystal structure ,Methyl benzoate ,Analytical Chemistry ,Inorganic Chemistry ,Crystal ,chemistry.chemical_compound ,Crystallography ,Single crystal ,Spectroscopy ,Monoclinic crystal system - Abstract
Two manganese complexes containing 4,4′-bipyridine and methyl benzoate as ligands have been prepared and crystallized by solvent evaporation method in DMF. The single crystal X-ray crystallographic analyses reveal that the complexes crystallize in monoclinic system. Crystal of 1 [Mn2(4,4′-bipy)2 (o-MBA)4]n has space group of P21/c with unit cell parameters of a = 17.508 (A), b = 11.6229 (A), c = 27.983 (A), β = 128.123°, V = 4.4797 nm3, empirical formula: C52H44Mn2N4O8, Mr = 962.79, Z = 4, Dc = 1.428 g/cm3, μ = 0.625 mm−1, and F(000) = 1992. The crystal of 2 [Mn (4,4′-bipy)(m-MBA)2]n belongs to space group C2/c with a = 16.079 (A), b = 11.652 (A), c = 24.887 (A), β = 92.02°, V = 4.660 nm3, empirical formula: C26H22MnN2O4, Mr = 481.40, Z = 8, Dc = 1.372 g/cm3, μ = 1.179 mm−1, F(000) = 1992. The weak interactions in structures are observed from the X-ray crystallographic data. These include the C H⋯O hydrogen bonds, π–π stacking and C H⋯π interactions found in 1. The different strength of intermolecular interaction in the structures is reflected on their different thermal stability of the two complexes measured by thermal gravimetric analysis and the 2D-IR correlation spectroscopy. The study of weak interactions is meaningful to provide supporting data for potential application in molecular biology.
- Published
- 2013
48. Predictive Risk Factors of Cardiorespiratory Abnormality for Upper Gastrointestinal Endoscopy in Tibet
- Author
-
Jian-qiang Liu, You-wei Chen, De-qing Yangzong, Zhao Shen Li, Su-zhi Li, and Feng Liu
- Subjects
Adult ,Male ,medicine.medical_specialty ,Physiology ,Tibet ,Logistic regression ,Gastroenterology ,Hypoxemia ,Basal (phylogenetics) ,Risk Factors ,Internal medicine ,medicine ,Humans ,Endoscopy, Digestive System ,Oximetry ,Hypoxia ,Pulse ,Aged ,Aged, 80 and over ,business.industry ,Altitude ,Cardiorespiratory fitness ,Middle Aged ,Hepatology ,Hypoxia (medical) ,Upper gastrointestinal endoscopy ,respiratory tract diseases ,Logistic Models ,ROC Curve ,Female ,medicine.symptom ,Abnormality ,business ,circulatory and respiratory physiology - Abstract
To explore the predictive factors of cardiorespiratory abnormality in nonsedated patients at high altitude (HA) during upper gastrointestinal endoscopy (UGIE). The pulse and saturated oxygen (SaO2) levels of 993 patients undergoing nonsedated UGIE in Tibet were monitored. Bivariate correlation and logistic regression were used to identify predictive risk factors for hypoxemia. The basal and minimum SaO2 levels during UGIE of the Tibetan group were significantly higher than those of the non-Tibetan group. The minimum SaO2 and maximum pulse in the HA transient residents groups were significantly higher than those in the HA usual residents groups. The incidences of hypoxemia and severe hypoxemia in the Tibetan groups were significantly lower than those of the non-Tibetan groups. Bivariate correlation and logistic regression showed that race, age (≥40 years), residence time in HA (
- Published
- 2013
49. Two New Luminescent Cadmium Thiolato-carboxylates with 2,2′-Bipyridine
- Author
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Qi Liu, Yi-Ping Chen, Su-Zhi Ge, Yan-Qiong Sun, and Song Deng
- Subjects
Cadmium ,Polymers and Plastics ,Chemistry ,Hydrogen bond ,Ligand ,Inorganic chemistry ,Stacking ,chemistry.chemical_element ,Fluorescence ,Hydrothermal circulation ,2,2'-Bipyridine ,Crystallography ,chemistry.chemical_compound ,Materials Chemistry ,Luminescence - Abstract
Two new cadmium thiolato-carboxylate complexes, [Cd2(mba)2(2,2′-bpy)2] (1), [Cd2(dtba)2(2,2′-bpy)4]·4H2O (2) (H2mba = 2-mercaptobenzoic acid, H2dtba = 2,2′-dithiodibenzoic acid, 2,2′-bpy = 2,2′-bipyridine) were obtained by reacting Cd(II) salts and the ligands of H2mba and 2,2′-bpy, and were characterized by the single-crystal X-ray diffraction, IR, 2D-COS IR, solid UV, TG and XRD. In complex 2, the H2dtba ligand came from the in situ S–S function reaction of H2mba under the hydrothermal conditions. Complexes 1 and 2 are both 1D chains, but the difference lies in the linkage of the ligands. The 3D super-molecular frameworks of 1 and 2 are produced by π–π stacking interaction between the 2,2′-bpy ligands and the hydrogen bonds of O–H…O with ths-type and dia-type topology, respectively. The fluorescent emissions are observed in 1 and 2 with λ em = 533 nm and λ em = 436 nm, due to the ligand-to-metal charge transfer (LMCT) and π* → π transitions, respectively.
- Published
- 2013
50. A Novel 2D Dipyrazol-Bridged Cadmium(II) Complex Based on Tetranuclear Cd4O4 Clusters: Synthesis, Structure and Luminescence
- Author
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Yan-Qiong Sun, Qi Liu, Su-Zhi Ge, Yi-Ping Chen, and Song Deng
- Subjects
Ligand ,Hydrogen bond ,Coordination polymer ,Cadmium sulfate ,Intermolecular force ,General Chemistry ,Condensed Matter Physics ,Photochemistry ,Biochemistry ,Catalysis ,chemistry.chemical_compound ,Crystallography ,chemistry ,Cluster (physics) ,General Materials Science ,Luminescence - Abstract
A coordination polymer, {[Cd2(H2Me4bpz)(ntcaa)2(H2O)]·H2O}n (1), has been synthesized by hydrothermal reaction of cadmium sulfate octahydrate with a flexible ligand, 3, 3′, 5, 5′-tetramethyl-4, 4′-bipyrazole and an auxiliary O-donor ligands, naphthalene-4,5-dicarboxylic acid-1,8-anhydride. Naphthalene-4,5-dicarboxylic acid-1,8-anhydride comes from the in situ dehydration of the naphthalene-1,4,5,8-tetracarboxylic acid in the hydrothermal reaction. Complex 1 exhibits a 2D wave-like layer structure based on tetranuclear Cd4O4 cluster units. The 2D wave-like layers are further held together by face-to-face π–π interactions between the naphthalene rings and intermolecular hydrogen bonds to generate a 3D supra-molecular network. The luminescent property of complex 1 was investigated in the solid-state at room temperature. .
- Published
- 2012
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