Results 111 to 120 of about 1,026,249 (135)

[Clinical study of Ilizarov technique combined with "joystick technique" in treatment of fourth brachymetatarsia]. [PDF]

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

负弯矩作用下全宽预应力预制桥面板组合梁力学性能研究

open access: yes
横向全宽预应力预制桥面板与分块预制桥面板相比,整体性更好,施工更快捷,在装配式组合梁桥中具有较好的应用前景。负弯矩作用下预制桥面板的湿接缝连接是受力的关键部位,为此对负弯矩作用下的全宽预应力预制桥面板组合梁的力学性能进行研究,明确了横向预应力筋数量、预应力筋布置方式、剪力连接程度、接缝处材料对结构破坏模式、开裂荷载、抗弯承载力、荷载-位移曲线等力学特性的影响规律,揭示了预制板接缝处的应力分布规律;针对完全剪力连接的预制桥面板组合梁,提出了负弯矩作用下挠度计算的改进有效惯性矩叠加法 ...
陈娟   +4 more
core  

[Perioperative outcomes and anesthetic management of pregnancy termination in patients with pulmonary hypertension]. [PDF]

open access: yesNan Fang Yi Ke Da Xue Xue Bao
Yang L   +7 more
europepmc   +1 more source

[Correlations of calmodulin and neurotransmitters with polysomnographic parameters in patients with chronic insomnia disorder]. [PDF]

open access: yesZhong Nan Da Xue Xue Bao Yi Xue Ban
Su T   +6 more
europepmc   +1 more source

[Progress in the study of polycythemia vera in children]. [PDF]

open access: yesZhongguo Dang Dai Er Ke Za Zhi
Hu LJ, Yang WY.
europepmc   +1 more source

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