[Comparative study on effectiveness of different puncture methods of flexible bone cement delivery device in treatment of osteoporotic vertebral upper 1/3 compression fractures]. [PDF]
Zhongguo Xiu Fu Chong Jian Wai Ke Za ZhiLi T +6 more
europepmc +1 more source
[Endodontic retreatment of a maxillary second molar with chronic apical periodontitis and separated instrument: A case report]. [PDF]
Beijing Da Xue Xue Bao Yi Xue BanZang H, Liang Y.
europepmc +1 more source
[Effect of lower limb amputation on hemodynamic environment of the left coronary artery: a numerical study]. [PDF]
Sheng Wu Yi Xue Gong Cheng Xue Za ZhiTai T, Jiang W, Li Z, Diao J, Li X.
europepmc +1 more source
, 2006 在新的欧洲钢结构规范EN1993—1—1即将颁布使用之际,本文就规范中压弯杆的计算的新的规定加以说明,解释新规定的来源、背景资料,探讨简化的相关公式。新规定的最主要的发展在于弯扭失稳公式中的相关系数以及稳定系数。本部分工作是基于欧洲钢结构协会（ECCS）第8技术委员会（TC8）的工作成果 ...
刘永芳, 王俊平, 王阳明
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[Comparison of effectiveness between two endoscopic lumbar interbody fusion techniques and minimally invasive transforaminal lumbar interbody fusion for single-level lumbar degenerative disease]. [PDF]
Zhongguo Xiu Fu Chong Jian Wai Ke Za ZhiLi Y, Kong W, Li J, Ma C, Ren Y.
europepmc +1 more source
, 2008 介绍了整体壁板的概念和分类,总结了传统和现代的整体壁板成形工艺方法,如滚弯成形,增量压弯成形,蠕变时效成形,喷丸成形和激光弯曲成形,比较了它们之间的优、缺点及适应范围,简述了各成形工艺目前的应用状态及发展前景。提出针对不同外形形状和筋条高度的整体壁板的成形,可以采用不同的成形方法 ...
Jürgen Silvanus +3 more
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[Thoughts and Prospects on Precision Control and Intelligent Positioning Robotic Systems Applied in Nasojejunal Feeding Tube Placement]. [PDF]
Sichuan Da Xue Xue Bao Yi Xue BanQiu Y +9 more
europepmc +1 more source
, 2009 本文先针对轴心受压杆件,阐述了Euler临界力、计算长度、P-δ效应、稳定系数(柱子曲线)等重要概念及它们之间的关系;进而论述了框架柱计算长度概念;再通过说明我国现行《钢结构设计规范》(GB50017)中压弯杆件极限承载力验算式的来源,阐明了进行框架柱验算时,考虑P-Δ效应进行结构二阶内力分析与柱计算长度选取间的关系。最后 ...
李国强
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[Early effectiveness and safety of mini open endoscopy assisted anterior cervical discectomy and fusion in treatment of cervical spondylotic myelopathy]. [PDF]
Zhongguo Xiu Fu Chong Jian Wai Ke Za ZhiPan X, Wang X, Wang C, Su W, Sheng J.
europepmc +1 more source
[Design and research of a pneumatic soft intestine robot imitating the inchworm]. [PDF]
Sheng Wu Yi Xue Gong Cheng Xue Za ZhiHe Y +5 more
europepmc +1 more source