Results 61 to 70 of about 3,990 (101)

[Research progress on medial support augmentation techniques for proximal humeral fractures]. [PDF]

open access: yesZhongguo Xiu Fu Chong Jian Wai Ke Za Zhi
He P, Zheng Y, Kong L, Liu H, Chen H.
europepmc   +1 more source

[Advances in application of hydrogels for treatment of osteonecrosis of the femoral head]. [PDF]

open access: yesZhongguo Xiu Fu Chong Jian Wai Ke Za Zhi
Han G, Li Q, Wang Q, Kang P.
europepmc   +1 more source

输电塔底座板式对接节点主材角钢受压稳定承载力研究

open access: yesJianzhu Gangjiegou Jinzhan
在整段拼装角钢塔体系中,主材角钢作为主要受力构件,常通过开断节点连接,主材角钢的力学性能对整个塔体影响较大,而相关规范尚未给出主材角钢开断后的稳定承载力相应计算方法。文中以底座板式对接节点的主材角钢为研究对象,在相同约束条件下通过足尺轴心受压试验,对比对接节点角钢与未开断角钢的稳定承载力大小及变形规律。随后利用ANSYS有限元软件,建立了考虑横向支承作用、带对接节点连接的主材角钢轴心轴压有限元模型。从长细比、截面尺寸、底板厚度、靴板高度、底板直径等方面,研究了该主材角钢承受轴心受压的力学性能 ...
刘志祥   +7 more
doaj  

模块墙建筑新型钢-混凝土组合梁柱节点静力性能研究

open access: yesJianzhu Gangjiegou Jinzhan
基于模块墙轻钢-混凝土框架结构体系,提出了一种适用于该结构的轻钢-混凝土组合柱-H型钢梁节点。为研究此节点的力学性能,对三组梁柱节点试件进行了单调加载试验。试验结果表明,在梁端单调荷载作用下,节点呈现出明显的半刚性特征。破坏表现为型钢拼合柱翼缘的屈服变形和混凝土的开裂,并随着顶角钢弯曲变形过大和加劲肋焊缝开裂而导致节点失效。采用ABAQUS有限元软件进行了精细化模拟。有限元模型的变形过程和破坏特征与试验结果相吻合。考虑H型钢梁截面高度、C型钢厚度和角钢厚度三个关键参数,进行了参数化分析。结果显示 ...
苏佶智   +4 more
doaj  

[Binary encryption comprehensive experiment based on agarose gel electrophoresis]. [PDF]

open access: yesSe Pu
Duan JW   +7 more
europepmc   +1 more source

[Modified anterior subcutaneous internal fixation versus open reduction and plate fixation in treatment of pubic symphysis diastasis]. [PDF]

open access: yesZhongguo Xiu Fu Chong Jian Wai Ke Za Zhi
Ye L   +7 more
europepmc   +1 more source

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