Results 101 to 110 of about 4,330 (144)

[Cannabidiol regulates circadian rhythm to improve sleep disorders following general anesthesia in rats]. [PDF]

open access: yesNan Fang Yi Ke Da Xue Xue Bao
Wu X   +11 more
europepmc   +1 more source

带球冠形脱空缺陷的圆钢管混凝土T型相贯节点的滞回性能研究

open access: yesJianzhu Gangjiegou Jinzhan
为研究球冠形脱空缺陷对圆钢管混凝土T型相贯节点抗震性能的影响,以脱空率、支主管直径比和主管径厚比为主要试验参数,完成了18个圆钢管混凝土T型节点试件在主管承受恒定轴向拉力和支管承受往复轴向荷载作用下的滞回性能试验,考察了球冠形脱空缺陷对其失效模式、滞回曲线、骨架曲线、承载力、刚度和耗能的影响规律。建立了有限元分析模型,分析了球冠形脱空缺陷对主管钢管与核心混凝土之间接触应力发展的影响规律,开展了脱空率、支主管直径比、主管径厚比、混凝土强度、钢材强度和轴拉比等参数对节点受拉承载力影响的参数分析。结果表明 ...
张伟杰   +4 more
doaj   +2 more sources

[Review on the relationship between selective attention and neural oscillations]. [PDF]

open access: yesSheng Wu Yi Xue Gong Cheng Xue Za Zhi, 2019
Xu M, Li R, Ming D.
europepmc   +1 more source

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