Jianzhu Gangjiegou Jinzhan, 2003 <正> 在文章中提出了考虑局部失稳的3维二阶塑性铰分析。此分析方法考虑了结构系统和构件的材料非线性和几何非线性。这个问题和传统的二阶塑性铰分析相关,传统方法中并不考虑由于局部失稳而引起抗弯强度减低的问题得以解决,提出了评估钢框架性能的有效方法:包括考虑残余应变和弯曲的逐渐屈服、二阶效应、几何缺陷等。在研究中,用一个考虑宽厚比的模型来模拟局部失稳。所提出的方法通过与其它分析方法和LRFD的结果相比得到了验证 ...
方明霁
doaj
剖宫产术腰-硬联合麻醉中头部抬高可提供稳定的血流动力学以及更适宜的阻滞平面
Zhongguo shiyan zhenduanxue, 2019 在腰-硬联合麻醉(CSE)后,很难预测孕妇的阻滞高度,因为许多因素影响着阻滞高度[1]。当在侧卧位进行阻滞时,经常出现不适当的高感觉阻滞,这是血液动力学不稳定的原因之一,为了防止这种副作用已经进行了许多研究[2]。在椎管内麻醉体位摆放时,头部和肩膀在侧向位置上被支撑和抬起;屈曲在第四胸椎的水平上被抬高,进而防止局部麻醉药在蛛网膜下腔向头部区域的扩散。然而当患者转换到平卧位后 ...
杨进斌, 吴奕涵
doaj
Jianzhu Gangjiegou Jinzhan为促进建筑工业化和住宅产业化，提高框架-支撑结构体系的抗震性能，提出了部分包覆钢-混凝土组合（partially encased composite brace， PEC）支撑。对3个采用PEC支撑的PEC框架试件和1个采用钢支撑的PEC框架试件进行了低周往复加载试验，研究了各试件的破坏模式、初始刚度、极限承载力、耗能能力等指标。结果表明：PEC框架与PEC支撑之间协同工作性能良好；PEC支撑试件相比纯钢支撑具有优势，初始刚度提升约24%~41%、极限承载力提升约29%~36%，耗能能力提升约7%~17%
贾王龙 +6 more
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[Combined effects of high loading rate and damage severity on the mechanical behavior of lumbar intervertebral disc injury and analysis of the underlying mechanisms]. [PDF]
Sheng Wu Yi Xue Gong Cheng Xue Za ZhiLiu Q +6 more
europepmc +1 more source
Jianzhu Gangjiegou Jinzhan冷弯薄壁型钢（CFS）全螺栓垫板连接T形拼合柱是一种新型拼合截面柱，在全螺栓连接框架结构中承受集中荷载。目前关于全螺栓连接T形CFS拼合柱轴心受力性能的研究报道较少。基于已有的试验研究成果，建立准确可靠的T形CFS拼合柱数值分析模型，选取构件长细比、板材厚度、垫板的纵向间距等参数，研究在轴压作用下各重要参数对T形CFS拼合柱极限承载力和屈曲模态的影响。结果表明：随着长细比的增大，T形CFS拼合柱的屈曲模式由局部与畸变相关屈曲逐渐转变为整体屈曲，当长细比<104.7时 ...
陈明 +4 more
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[Clinical analysis of free fibular skin flap of great toe for repair of finger flexion deformity due to scar contracture]. [PDF]
Zhongguo Xiu Fu Chong Jian Wai Ke Za ZhiZhang K +8 more
europepmc +1 more source
[Effectiveness of T <sub>1</sub> rhizotomy combined with flexor origin slide for central hand flexion spasticity]. [PDF]
Zhongguo Xiu Fu Chong Jian Wai Ke Za ZhiYang C +9 more
europepmc +1 more source
[Analysis of effectiveness of arthroscopic iliopsoas tendon tenotomy at labral level for iliopsoas cyst complicated with internal snapping hip]. [PDF]
Zhongguo Xiu Fu Chong Jian Wai Ke Za ZhiJia D, Ran Q, Wen W, Fan W, Li Y.
europepmc +1 more source
[Design and analysis of a serial ankle rehabilitation robot]. [PDF]
Sheng Wu Yi Xue Gong Cheng Xue Za ZhiDai Y, Tao Q, Liu C, Li G, Niu Y.
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[Interpretation of the 2026 Asia-Pacific Expert Consensus on Robotic-assisted Hip and Knee Arthroplasty: From precise execution to individualized decision-making]. [PDF]
Zhongguo Xiu Fu Chong Jian Wai Ke Za ZhiSong Y +6 more
europepmc +1 more source