Results 81 to 90 of about 691 (128)

[Application and advances of exosome-hydrogel system in wound healing]. [PDF]

open access: yesZhongguo Xiu Fu Chong Jian Wai Ke Za Zhi
Qiu Y, Tan Q.
europepmc   +1 more source

[Preparation of collagen-polysaccharide composite hydrogels and research progress in biomedical applications]. [PDF]

open access: yesSheng Wu Yi Xue Gong Cheng Xue Za Zhi
Xu M   +9 more
europepmc   +1 more source

五边形三四撑杆全铰接弦支网壳静力及稳定性分析

open access: yesJianzhu Gangjiegou Jinzhan
五边形三四撑杆全铰接弦支网壳结构相较于多撑杆索穹顶结构,其核心差异在于通过将索穹顶结构上层脊索转换为脊杆,形成由预应力索与杆组合而成的全铰接曲面双层网格结构体系,该体系既便于刚性屋面铺设,又能降低造价。与传统网壳结构相比,该结构具有良好的稳定性和经济性等特点。在该结构的下弦节点布置3根或4根撑杆,可有效提高整体结构的侧向刚度和稳定性;同时采取铰接节点的连接形式,既能简化节点构造,又便于张拉施工。针对五边形三四撑杆全铰接弦支网壳结构,文中建立了ANSYS有限元模型 ...
李丹, 吕辉, 董石麟, 朱忠义
doaj  

[Abnormal functional connectivity and structure-function coupling of the nucleus accumbens in patients with major depressive disorder]. [PDF]

open access: yesZhong Nan Da Xue Xue Bao Yi Xue Ban
Zhao X   +9 more
europepmc   +1 more source

[Structural design of "fitness" and "feasibility" of body-fitted stent and its mechanical analysis]. [PDF]

open access: yesSheng Wu Yi Xue Gong Cheng Xue Za Zhi
Sun H   +7 more
europepmc   +1 more source

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