Results 61 to 70 of about 6,395 (115)

[Research advances on the role of eosinophils in acute liver injury]. [PDF]

open access: yesZhonghua Gan Zang Bing Za Zhi
Zhu MY, Fu XL, Chang JB.
europepmc   +1 more source

内嵌加劲耗能钢板的箱形钢墩柱拟静力试验及数值分析

open access: yesJianzhu Gangjiegou Jinzhan
地震作用下钢桥墩根部易发生屈曲破坏且震后难以快速修复。基于可恢复功能理念与钢桥墩的受力特征,提出一种具备震后易恢复功能的新型箱型钢桥墩。此新型桥墩通过设置可更换的加劲耗能壁板以增强结构的耗能与变形能力,且震后能够快捷更换受损的耗能壁板以恢复桥墩力学性能。为研究设置加劲耗能壁板的箱型钢墩柱的抗震性能,选取耗能壁板上加劲肋的布置形式、轴压比及耗能板强度等作为影响参数进行拟静力试验,且通过有限元数值模拟,综合探讨此类新型试件在地震作用下的力学性能;并对比分析新型桥墩的受力特点和破坏机理 ...
孙德畅   +5 more
doaj  

[Research on a muscle fatigue quantification based on an improved critical power model]. [PDF]

open access: yesSheng Wu Yi Xue Gong Cheng Xue Za Zhi
Wu X, Shang J, Niu X, Lin H, Du Y.
europepmc   +1 more source

既有混凝土梁-耗能段组合节点力学性能试验研究

open access: yesJianzhu Gangjiegou Jinzhan
在既有混凝土框架结构中引入Y形偏心钢支撑,可得到新型既有混凝土框架-Y形偏心支撑结构,具有抗侧刚度大、抗震性能好和震后功能可恢复等特点。其中,既有混凝土梁-耗能段组合节点是实现新型结构预期性能的关键问题之一。基于此,设计四种基于端板连接、U形-侧面连接、U形-角钢螺栓连接、U形-三面连接的既有混凝土梁-耗能段组合节点试验模型,并进行往复加载试验研究,得到各节点的破坏模式、滞回曲线、骨架曲线、割线刚度、耗能能力和荷载-应变曲线。结果表明,基于端板连接、U形-侧面连接、U形-角钢螺栓连接的试件ECB-SL ...
黄昆, 曾思智, 孙志颖, 胡淑军
doaj  

[Research advances in immune and metabolic dysregulation in the diagnosis and treatment of acute-on-chronic liver failure]. [PDF]

open access: yesZhonghua Gan Zang Bing Za Zhi
Wang SR   +12 more
europepmc   +1 more source

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