Results 61 to 69 of about 111 (69)

[Research progress on the manufacturing technology of hollow microneedles]. [PDF]

Sheng Wu Yi Xue Gong Cheng Xue Za Zhi
Zhou S, Zhou H, Du X, Yu Z, Xu T, Zhao S, Su P, Zhang L, Fu G, Liu X.   +9 more
europepmc   +1 more source

[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

冷弯薄壁型钢-泡沫混凝土墙体抗震性能研究进展

秦佳
openalex   +2 more sources

[Sealing effect of GuttaFlow2 in curved root canals]. [PDF]

Beijing Da Xue Xue Bao Yi Xue Ban
He P, Bao X.
europepmc   +1 more source

Formation of dentinal microcracks after root canal preparation with four kinds of mechanical nickel-titanium files. [PDF]

Hua Xi Kou Qiang Yi Xue Za Zhi
Wang Z, Xue M.
europepmc   +1 more source

冷弯不等肢复杂卷边角钢轴压试验及承载力设计方法

Jianzhu Gangjiegou Jinzhan
为研究冷弯薄壁不等肢复杂卷边角钢屈曲性能和稳定承载力设计方法，对24根不同截面、长细比、宽厚比的不等肢复杂卷边角钢进行了轴压试验。试验结果表明，长细比较大且宽厚比较小的试件易发生弯扭屈曲，长细比较小而宽厚比较大的试件易发生局部屈曲或弯扭和局部相关屈曲。采用ABAQUS有限元软件对试件进行了有限元模拟，屈曲模式和承载力与试验结果吻合良好，表明建立的有限元分析模型是可行的。因此可采用经验证的有限元模型对不同长细比、卷边形式和卷边比的轴心受压不等肢复杂卷边角钢进行了参数化分析。结果表明 ...
姚行友, 胡成立, 聂泽谕, 郭彦利   +3 more
doaj  

冷弯薄壁型钢龙骨式结构（LGS）住宅体系

, 2006
王彦敏, 诸葛耿华
openalex  

《冷弯薄壁型钢结构技术规范》（GB50018—2002）用于计算高强度钢柱

, 2007
惠颖, 张沛
openalex  

一种高效,经济型钢材—冷弯薄壁型钢

, 1995
唐金华
openalex