Results 141 to 150 of about 6,255 (211)

电力火灾后圆端形不锈钢管混凝土柱的轴压性能研究

Jianzhu Gangjiegou Jinzhan
进行了14根电力火灾后圆端形不锈钢管混凝土短柱的轴压试验，分析截面高宽比、受火时间和含钢率对其火灾后剩余承载力的影响。试验表明：该类短柱的破坏模态均为局部屈曲、焊缝开裂和混凝土压碎；试件的剩余承载力随着受火时间或高宽比的增大而降低，受火120 min后该类试件的承载力降低了7.8%~13.9%。接着建立了有限元模型，该模型可很好地模拟实测结果。基于有限元模型开展了理论分析，分析表明初始荷载对该类组合柱的剩余承载力影响较小。参数分析表明当混凝土强度从30 MPa增加到90 MPa时 ...
高献, 王晖, 宋培, 王志滨, 董靖怡   +4 more
doaj  

[Interpretation of Clinical Practice Specifications for Permanent Tooth Extraction (2023 Edition)]. [PDF]

Hua Xi Kou Qiang Yi Xue Za Zhi
Chai J, Zhang X, Liu C, Jia S, Liao X, Hu K.   +5 more
europepmc   +1 more source

不锈钢焊接工艺研究现状

周 辉
openalex   +1 more source

[Periodontic-orthodontic-orthognathic combined treatment of adult Class Ⅱ skeletal malocclusion with idiopathic gingival fibromatosis: a case report]. [PDF]

Hua Xi Kou Qiang Yi Xue Za Zhi
Yang K, Zeng X, Chen S, Duan D, Li J, Duan P.   +5 more
europepmc   +1 more source

[Research progress on the biological properties of the surface nanocrystals of typical medical metal materials]. [PDF]

Zhongguo Xiu Fu Chong Jian Wai Ke Za Zhi, 2021
Zhou W, Zhang W, Huo W, Lu J, Zeng D, Yu Z, Yu S.   +6 more
europepmc   +1 more source

基于激光毛化的不锈钢与GFRP单面单点电阻焊接工艺及性能研究

檀财旺 Tan Caiwang, 王世嘉 Wang Shijia, 苏健晖 Su Jianhui, 韩晓辉 Han Xiaohui, 陈波 Chen Bo, 宋晓国 Song Xiaoguo   +5 more
openalex   +2 more sources

宝钢湛江定宽机不锈钢堆焊技术研究

, 2019
泽平 舒
openalex   +2 more sources

Progress in research and development of biodegradable metallic vascular stents. [PDF]

Zhong Nan Da Xue Xue Bao Yi Xue Ban
Yang Y, Zhang Z, Wang J, Fu K, Li D, He H, Shu C.   +6 more
europepmc   +1 more source

[Hollow bimetal-organic framework material as solid-phase microextraction fiber coating for highly sensitive detection of polycyclic aromatic hydrocarbons]. [PDF]

Se Pu, 2022
Zhang W, Li Q, Fang M, Zhang L.
europepmc   +1 more source

奥氏体不锈钢管道对接焊缝相控阵超声检测技术

郭少敏
openalex   +1 more source