Results 161 to 170 of about 4,014 (219)

碟簧螺栓连接柱脚节点滞回模型与性能研究

框架结构在地震作用下易在柱脚形成塑性铰，构建损伤可控且具有复位能力的柱脚节点可有效提高框架结构的抗震性能和韧性。基于工程实用的螺栓和盖板连接，提出了碟簧螺栓和屈曲约束翼缘盖板，分别作为恢复和耗能元件，形成一种碟簧螺栓连接柱脚节点。推导了节点的理论滞回模型以及部分构件的内力计算公式，采用ABAQUS软件建立了节点有限元模型并进行了滞回分析。结果表明，提出的节点滞回曲线呈典型的旗帜型，损伤集中于屈曲约束翼缘盖板的核心板，碟簧螺栓有效地降低了节点残余变形；有限元模型与理论滞回模型相互验证，两种结果吻合较好 ...
冯玉龙, 李超男, 种迅, 蒋庆, 黄俊旗   +4 more
core  

[Guardians of Immune Tolerance: Regulatory T Cells]. [PDF]

Sichuan Da Xue Xue Bao Yi Xue Ban
Ming K, Zhang H, Hu H.
europepmc   +1 more source

[Applications and perspectives of artificial intelligence in periodontology]. [PDF]

Hua Xi Kou Qiang Yi Xue Za Zhi
Lü C, Ge S.
europepmc   +1 more source

电力配电线路中节能降耗技术研究

王剑锋
openalex   +2 more sources

[The application of machine learning in the auxiliary diagnosis of specific learning disorder]. [PDF]

Zhongguo Dang Dai Er Ke Za Zhi
Zhao H, Mei SL, Wang JY, Chi X.
europepmc   +1 more source

[Feature distillation multiple instance learning method based on sequence reorganized Mamba]. [PDF]

Sheng Wu Yi Xue Gong Cheng Xue Za Zhi
Zeng J, Luo W, Zhao J, Huang G, Zhao J, Mai Z, Yan W, Xiao Y, Qin C.   +8 more
europepmc   +1 more source

[Emphasizing evolution of key technological elements in reconstructive surgery]. [PDF]

Zhongguo Xiu Fu Chong Jian Wai Ke Za Zhi
Zan T, Li Q.
europepmc   +1 more source

[Stem cell therapy for premature ovarian insufficiency: a review of clinical evidence and therapeutic strategies]. [PDF]

Zhejiang Da Xue Xue Bao Yi Xue Ban
Cheng Z, Lai D.
europepmc   +1 more source

[Long-term prognosis and influencing factors of anterior composite resin restoration]. [PDF]

Hua Xi Kou Qiang Yi Xue Za Zhi
Chen W, Wu F, Wei X.
europepmc   +1 more source