Results 61 to 70 of about 986,889 (100)

[Association between wearable-derived physical activity patterns and gut microbiota in older adults]. [PDF]

open access: yesBeijing Da Xue Xue Bao Yi Xue Ban
Gao J   +9 more
europepmc   +1 more source

[Helicid alleviates depression-like behavior in rats with chronic unpredictable mild stress through the NCALD/sGC/cGMP/PKG axis]. [PDF]

open access: yesNan Fang Yi Ke Da Xue Xue Bao
DU X   +8 more
europepmc   +1 more source

[The application of surgical robots in head and neck tumors]. [PDF]

open access: yesLin Chuang Er Bi Yan Hou Tou Jing Wai Ke Za Zhi
Huang X   +23 more
europepmc   +1 more source

基于连续强度法的不锈钢梁抗剪切性能研究

open access: yes
不锈钢结构因其良好的耐腐蚀性、易于维护等优点,逐渐成为工程建设领域中的高性能绿色建筑材料。但不锈钢具有应变强化特性,现有设计规范计算工字型截面梁的抗剪切承载力结果较为保守,本文基于连续强度法(CSM),对不锈钢工字形截面梁的剪切屈曲承载性能进行研究,考虑了不锈钢材料几何非线性,几何初始缺陷的影响。基于试验验证的有限元数值模型,开展不锈钢梁的抗剪切承载力影响的参数分析,探究各关键参数对的影响规律,并与现行规范(中国、美国、欧洲)的计算结果进行对比。结果表明,在腹板厚度等参数不变的情况下 ...
徐红玉, 焦燏烽, 付怡乐
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