18,115 research outputs found

    The political role of the people's liberation army 1949-1973

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    This thesis is to study the political role of the People's Liberation Army from the approach of structure and function. The framework of the thesis consists of three major parts, first, the influence of Chinese traditional political culture on, and the formation of, the political role of the PL A; second, the influence of domestic political struggles and external military conflicts on the development of the political role of the PLA; and the third, the analysis of the transition of the PLA's political role from the structure and personnel arrangements of the CCPCC Within the above-mentioned three scopes, this thesis make a thorough discussion on the following: (1) The relationship between the structure of the PRC and the formation of the PLA's political role; (2) How has ideology influenced the army's political role; (3) What is Mao's viewpoint and his influence on the development of the army's political role; (4) What is the link between the army and the party, and how has this developed; (6) What accounts for the expansion of the PLA's political functions; (7) What is the influence of political factional struggles on the PLA's political role; (8) Is it political institution or military institution that controls the recruitment of the military elite; (9) What are the disparities between the military elite in handling international conflicts and what are their political considerations; (10) What is the Party's position in the army; (11) How have the Party’s important meetings and personnel arrangements influenced the rise and fall of the PLA's political role

    Pr oton MR Spectr oscopy of the Femor al Head - Evaluation of Patients at Risk for Avascular Necr osis

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    To measure the lipid / water ratio of the femoral head from normal individuals and also, the non-diseased femoral head from patients with contralateral avascular necrosis (AVN) using proton magnetic resonance spectroscopy (MRS). Twenty-four femoral heads from 12 normal subjects and 15 non-diseased femoral heads from patients with contralateral AVN were included. Marrow composition was measured by using single-voxel stimulated-echo acquisition method (STEAM) (TR/TE = 5000/20 msec) with a voxel placed in the femoral head. The area under each resonance for lipid and water was calculated. The area of lipid (L) to area of water (W) ratio (L/W ratio) of the femoral head was significantly different between the patients with AVN on the contralateral side and normal individuals (P = 0.0048), this ratio revealing a greater value for those at risk of AVN. This detected difference appears to precede any other morphological change associated with AVN, such an increase in L/W ratio possibly suggesting the pathogenic route for AVN

    Correlation of MR Lumbar Spine Bone Marrow Perfusion with Bone Mineral Density in Female Subjects

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    PURPOSE: To prospectively assess lumbar spine bone marrow perfusion at dynamic magnetic resonance (MR) imaging and correlate perfusion with bone mineral density (BMD) in female subjects. MATERIALS AND METHODS: BMD measurement and dynamic MR imaging of the lumbar spine were performed in 69 female subjects (mean age standard deviation, 57 years 11). Subjects were stratified into premenopausal (n 19) and postmenopausal (n 50) groups, with the latter group including both women who were (n 13) and women who were not (n 37) receiving hormone replacement therapy. BMD (in grams per square centimeter) was measured with dual energy absorptiometry in the lumbar spine. Peak enhancement ratio, measured with time– signal intensity curves calculated from dynamic MR image data, represented bone marrow perfusion. Peak enhancement ratio was compared with age and BMD by using linear regression analysis and Pearson correlation. RESULTS: A significant positive correlation was found for BMD with peak enhancement ratio of lumbar vertebrae among all subjects (n 69, r 0.63, P .001), all postmenopausal women (n 50, r 0.50, P .001), and postmenopausal women without hormone replacement therapy (n 37, r 0.61, P .001). However, the correlation between BMD and peak enhancement ratio was not significant (P .05) in premenopausal women (n 19) or postmenopausal women receiving hormone therapy (n 13). Both BMD and peak enhancement ratio were inversely correlated with age (P .001, Pearson correlation). Pearson partial correlation coefficient for peak enhancement ratio and mean in all subjects, with control for inverse correlation with age, was significant (r 0.63, P .001). CONCLUSION: Significant correlation was found between the peak enhancement ratio of vertebral bone marrow and BMD in postmenopausal female subjects. This result may suggest a vascular component in the pathogenesis of osteoporosis

    Lichenipolystoechotes Fang, Zheng & Wang 2020

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    Genus Lichenipolystoechotes Fang, Zheng & Wang, 2020 Type species. Lichenipolystoechotes angustimaculatus Fang, Zheng & Wang, 2020 Other included species. Lichenipolystoechotes ramimaculatus Fang, Ma & Wang, 2020Published as part of Xu, Yifan, Zheng, Bingyu, Fang, Hui, Shih, Chungkun, Ren, Dong & Wang, Yongjie, 2021, New fossil giant lacewings from the Middle Jurassic Jiulongshan Formation of China (Neuroptera, Ithonidae), pp. 259-266 in Zootaxa 5067 (2) on page 262, DOI: 10.11646/zootaxa.5067.2.7, http://zenodo.org/record/567797

    Structure and bioactivity of the polysaccharides in medicinal plant Dendrobium huoshanense

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    Abstract not availableYves S.-Y. Hsieh, Cheng Chien, Sylvian K.-S. Liao, Shih-Fen Liao, Wei-Ting Hung, Wen-Bin Yang, Chih-Chien Lin, Ting-Jen Rachel Cheng, Chia-Chuan Chang, Jim-Min Fang and Chi-Huey Won

    sj-pdf-2-cat-10.1177_10760296231158585 - Supplemental material for Comparing Vitamin K Antagonists and Direct Oral Anticoagulants in Patients With Atrial Fibrillation Undergoing Transcatheter Aortic Valve Replacement: A Meta-Analysis

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    Supplemental material, sj-pdf-2-cat-10.1177_10760296231158585 for Comparing Vitamin K Antagonists and Direct Oral Anticoagulants in Patients With Atrial Fibrillation Undergoing Transcatheter Aortic Valve Replacement: A Meta-Analysis by Wei-Chieh Lee, Jhih-Yuan Shih, Hsiu-Yu Fang, Po-Jui Wu, Chih-Yuan Fang, Huang-Chung Chen and Yen-Nan Fang, Wei-Ting Chang, Mien-Cheng Chen in Clinical and Applied Thrombosis/Hemostasis</p

    sj-docx-1-cat-10.1177_10760296231158585 - Supplemental material for Comparing Vitamin K Antagonists and Direct Oral Anticoagulants in Patients With Atrial Fibrillation Undergoing Transcatheter Aortic Valve Replacement: A Meta-Analysis

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    Supplemental material, sj-docx-1-cat-10.1177_10760296231158585 for Comparing Vitamin K Antagonists and Direct Oral Anticoagulants in Patients With Atrial Fibrillation Undergoing Transcatheter Aortic Valve Replacement: A Meta-Analysis by Wei-Chieh Lee, Jhih-Yuan Shih, Hsiu-Yu Fang, Po-Jui Wu, Chih-Yuan Fang, Huang-Chung Chen and Yen-Nan Fang, Wei-Ting Chang, Mien-Cheng Chen in Clinical and Applied Thrombosis/Hemostasis</p
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