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41 results on '"Feng, Chunxiang"'

6. Constructing High-Order Dynamic Functional Connectivity Networks from Resting-State fMRI for Brain Dementia Identification

Author

Feng, Chunxiang, Jie, Biao, Ding, Xintao, Zhang, Daoqiang, Liu, Mingxia, Goos, Gerhard, Founding Editor, Hartmanis, Juris, Founding Editor, Bertino, Elisa, Editorial Board Member, Gao, Wen, Editorial Board Member, Steffen, Bernhard, Editorial Board Member, Woeginger, Gerhard, Editorial Board Member, Yung, Moti, Editorial Board Member, Liu, Mingxia, editor, Yan, Pingkun, editor, Lian, Chunfeng, editor, and Cao, Xiaohuan, editor

Published
2020
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7. Graph-Kernel-Based Multi-task Structured Feature Selection on Multi-level Functional Connectivity Networks for Brain Disease Classification

Author

Wang, Zhengdong, Jie, Biao, Wang, Mi, Feng, Chunxiang, Zhou, Wen, Shen, Dinggang, Liu, Mingxia, Goos, Gerhard, Founding Editor, Hartmanis, Juris, Founding Editor, Bertino, Elisa, Editorial Board Member, Gao, Wen, Editorial Board Member, Steffen, Bernhard, Editorial Board Member, Woeginger, Gerhard, Editorial Board Member, Yung, Moti, Editorial Board Member, Zhang, Daoqiang, editor, Zhou, Luping, editor, Jie, Biao, editor, and Liu, Mingxia, editor

Published
2019
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13. Correction to: Constructing High-Order Dynamic Functional Connectivity Networks from Resting-State fMRI for Brain Dementia Identification

Author

Feng, Chunxiang, Jie, Biao, Ding, Xintao, Zhang, Daoqiang, Liu, Mingxia, Goos, Gerhard, Founding Editor, Hartmanis, Juris, Founding Editor, Bertino, Elisa, Editorial Board Member, Gao, Wen, Editorial Board Member, Steffen, Bernhard, Editorial Board Member, Woeginger, Gerhard, Editorial Board Member, Yung, Moti, Editorial Board Member, Liu, Mingxia, editor, Yan, Pingkun, editor, Lian, Chunfeng, editor, and Cao, Xiaohuan, editor

Published
2020
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23. Identify the Risk Factors of COVID-19-Related Acute Kidney Injury: A Single-Center, Retrospective Cohort Study

Author

Wang, Jing, primary, Wang, Zhixian, additional, Zhu, Yunpeng, additional, Li, Haichao, additional, Yuan, Xiaoning, additional, Wang, Xiaoning, additional, Wang, Yuxi, additional, Hu, Jinqian, additional, Feng, Chunxiang, additional, Liu, Chang, additional, Liu, Shiliang, additional, Yu, Kai, additional, Li, Xing, additional, and Zeng, Xiaoyong, additional

Published
2020
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26. Clinical Characteristics and Risk Factors of COVID-19-Related Kidney Injury: A Single-Center, Retrospective Cohort Study

Author

Wang, Jing, primary, Wang, Zhixian, additional, Zhu, Yunpeng, additional, Li, Haichao, additional, Yuan, Xiaoning, additional, Wang, Xiaoning, additional, Wang, Yuxi, additional, Yu, Kai, additional, Li, Xing, additional, Hu, Jinqian, additional, Feng, Chunxiang, additional, Liu, Chang, additional, Liu, Shiliang, additional, and Zeng, Xiaoyong, additional

Published
2020
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29. Effects of SARS‐CoV‐2 infection on male sex‐related hormones in recovering patients.

Author

Xu, Hui, Wang, Zhixian, Feng, Chunxiang, Yu, Weiwei, Chen, Yuan, Zeng, Xiaoyong, and Liu, Chang

Subjects
COVID-19, SARS-CoV-2, VIRAL shedding, ANGIOTENSIN converting enzyme, PROLACTINOMA
Abstract

Background: A novel coronavirus severe acute respiratory syndrome coronavirus 2 (SARS‐CoV‐2), which causing the pandemic of coronavirus disease 2019 (COVID‐19), may attack testes by angiotensin‐converting enzyme 2. Objective: To assess whether SARS‐CoV‐2 infection can affect sex‐related hormones and testicular function in recovering patients. Materials and methods: The patients were separately classified according to the duration of viral shedding (long‐term positive vs normal‐term group, with the former cases having a duration > 50 days) and disease severity (moderate vs severe group). Differences in sex‐related hormone levels were compared between groups and linear regression analysis was used to compare the associations of testosterone (T) and estradiol with various clinical and laboratory factors. Results: A total of 39 COVID‐19‐infected patients were included in this study. The mean T level was in the normal reference range while the mean estradiol level was above the normal limit. There were no significant differences between the long‐term positive and normal‐term groups in T (P =.964), follicle‐stimulating hormone (FSH; P =.694), luteinizing hormone (LH; P =.171), prolactin (PRL; P =.836), or T/LH (P =.512). However, estradiol was higher in the normal‐term group than the long‐term positive group (P <.001). Moreover, there were also no significant differences between the moderate and severe groups in sex‐related hormones, duration of viral shedding, or serum biochemical or inflammation indicators. Additionally, regression analyses showed that there were no associations between the T level and the clinical and laboratory factors, while estradiol was negatively associated with the duration of viral shedding. Conclusion: In males infected with SARS‐CoV‐2, most sex‐related hormones (T, FSH and LH levels) remain within the normal reference ranges after recovery from COVID‐19, and no significant associations were observed between T level and disease duration or severity. At present, there is insufficient evidence to show that SARS‐CoV‐2 causes hypogonadism and sterility, but the potential risk should not be ignored. [ABSTRACT FROM AUTHOR]

Published
2021
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30. Preparation of Si–C–O–N ceramic fibers from polycarbosilane

Author

Lu Xiuguo, Liu Wei, Fan Xiaolin, Feng Chunxiang, and Song Yongcai

Subjects
chemistry.chemical_classification, Materials science, Magic angle, Infrared, Mechanical Engineering, Mineralogy, Polymer, Chemical reaction, Thermogravimetry, chemistry.chemical_compound, chemistry, Chemical engineering, Mechanics of Materials, visual_art, Solid mechanics, visual_art.visual_art_medium, Polysilane, General Materials Science, Ceramic
Published
2005
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31. Defects of polymer-derived Si−C−O fibers and their originations

Author

Li Xiaodong, Feng Chunxiang, Chu Zeng-Yong, Xiao Jiayu, and Song Yongcai

Subjects
chemistry.chemical_classification, Materials science, Gas evolution reaction, Mineralogy, chemistry.chemical_element, Polymer, Oxygen, chemistry, General Materials Science, Composite material, Porosity, Inert gas, Pyrolysis, Water vapor, Curing (chemistry)
Abstract

Defects of polymer-derived Si−C−O fibers were intensively studied by the SEM and TEM techniques and their originations were also discussed on the basis of factors experiments. The defects were found mainly in the form of strumaes, pits and splits on surfaces as well as microflaw networks, porosity clusters and inclusions in the bulk. Factors experiments reveal that a nonuniform or an insufficient curing would result in larger-sized strumaes or interior microflaws. Gas evolution rates due to different firing rates have a great influence on the formation of internal microflaws or porosity clusters and some oxidation-induced pits or splits may be formed on surfaces because of a trace of oxygen or water vapor accumulated from the flowing inert atmosphere during pyrolysis.

Published
2004
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34. [Untitled]

Author

Li Xiaodong, Fan Xiaolin, Song Yongcai, and Feng Chunxiang

Subjects
Fabrication, Materials science, visual_art, visual_art.visual_art_medium, General Materials Science, Ceramic, Composite material, Pyrolysis
Published
1999
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