Dianci bileiqi为研究某变电站运行中的跌落式熔断器瓷绝缘子发生断裂其断裂原因。从材料的角度进行宏观形貌、微观形貌及能谱成分分析判断瓷绝缘子断裂的原因。并通过仿真建模，分析了中部铁件浇筑时的偏心程度对中部胶装水泥最大受力情况的影响。结果表明：裂纹源在瓷绝缘子内部，在开合操作过程中，产生一定的交变应力，最终断裂形式为疲劳断裂。铁件、胶合剂和瓷件外表面处未进行防水处理，使得雨水渗入内部，温度变化产生膨胀应力，同时铁件、胶合剂与瓷件结合处未涂刷缓冲防护层，使得铁件、瓷件及胶合剂三者产生热应力 ...
谢金鹏 +4 more
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[Effectiveness of free fascia lata flap assisted by indocyanine green angiography in treatment of Myerson type <b>Ⅱ</b> and <b>Ⅲ</b> chronic Achilles tendon ruptures]. [PDF]
Zhongguo Xiu Fu Chong Jian Wai Ke Za ZhiGuo L +5 more
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[A comparative study of dynamic versus static rehabilitation protocols after acute Achilles tendon rupture repair with channel assisted minimally invasive repair technique]. [PDF]
Zhongguo Xiu Fu Chong Jian Wai Ke Za ZhiWang Z +8 more
europepmc +1 more source
[Anatomical research of positional relationship between protective channel and sural nerve during Achilles tendon repair using channel assisted minimally invasive repair technique]. [PDF]
Zhongguo Xiu Fu Chong Jian Wai Ke Za ZhiWang Z +8 more
europepmc +1 more source
Jianzhu Gangjiegou Jinzhan, 2002 文章提出用一个平面断裂模型模拟钢结构梁柱连接处翼缘焊缝的断裂行为。模型的公式包括了确定与断裂几何有关的强度系数。考虑了典型的应力状况对支撑的影响。模型还融入了理想的残余应变分布,用来检验它对断裂行为的影响 ...
doaj
[Comparative study of Achillon Achilles tendon suture guide combined with circuit suture via perineural channel and Krachow suture via posterolateral incision of Achilles tendon in treatment of Kuwada type Ⅱ acute closed Achilles tendon rupture]. [PDF]
Zhongguo Xiu Fu Chong Jian Wai Ke Za ZhiWang S, Li H, Tang J, Zhu Z, Liu Y.
europepmc +1 more source
鬼臼乙叉苷对人鼻咽癌细胞CNE2的细胞毒作用和对DNA的断裂作用
Zhongshan Daxue xuebao. Yixue kexue ban, 1993 作者用噻唑蓝还原（MTT）法测定了鬼臼乙叉苷（鬼臼乙叉甙,VP-16）对人体鼻咽癌细胞CNE2的毒性作用,在药物浓度为2.5,5.0,10.0,20.0,40.0,80.0和160.0 ug/ml的条件下,连续4次实验,VP-16对CNE2细胞的生长抑制率分别为3.3±3.7％,15.2±3％,36.l±l0％,54±17％,68.4％士13％,76.7士9％和84.2±8％,其半数抑制浓度(IC50)为17.0 ug/ml。CNE2细胞分别在含有20.0,100.0和200.0ug/ml VP ...
doaj
[Case of concurrent second branchial cleft cyst and diffuse large B-cell lymphoma]. [PDF]
Hua Xi Kou Qiang Yi Xue Za ZhiLiu X +5 more
europepmc +1 more source
[Effect of porous surface structure on fatigue strength of 3D printed zirconia]. [PDF]
Beijing Da Xue Xue Bao Yi Xue BanZhao J +6 more
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