[Application of single-retainer all-ceramic resin-bonded fixed partial denture in replacing single anterior tooth]. [PDF]
Hua Xi Kou Qiang Yi Xue Za Zhi, 2017 Lili Y +4 more
europepmc +1 more source
, 2010 本发明涉及移动检测机器人,具体地说是一种绝缘子检测机器人,包括第一履带轮、箱体、第二履带轮、变距伸缩机构及探头驱动机构,箱体上安装有变距伸缩机构,第一、二履带轮位于箱体的两侧、分别与变距伸缩机构相铰接,第一、二履带轮上分别连接有第一、二行程传感器;箱体的下方设有探头驱动机构。本发明采用能够伸缩变化的变距伸缩机构,能适应双联水平绝缘子串的距离变化,安全保护性好,行走速度快,上串操作简单,对绝缘子涂层磨损小,探头搭接可靠 ...
景风仁 +5 more
core
Dianci bileiqi在极端强降雨条件下，输电线路、变电站及换流站中的绝缘子伞裙间距因密集的雨柱而被连接，这一现象会显著改变原有电场分布，造成电场畸变。瓷质绝缘子作为电力系统常见绝缘元件，在长期服役过程中，不仅需承受自身重量，还不断受到风力等外部载荷的作用，这些因素作用下，逐渐导致陶瓷内部绝缘性能的退化，进而形成零值绝缘子。为研究强降雨条件35 kV绝缘子串雷电冲击放电特性，针对输电线路复合绝缘子及U70BP/146D瓷绝缘子串不同零值情况开展雷电冲击放电特性测试。结果表明 ...
许军 +6 more
doaj
[Study on the electric field transmission characteristics of conducted-electrode tumor treating fields]. [PDF]
Sheng Wu Yi Xue Gong Cheng Xue Za ZhiLiu K, Zhang J, Shi J, Fang H, Li X.
europepmc +1 more source
[Effect of repeated sintering and variations in thickness on the color and microstructure of dental lithium disilicate-based glass ceramic veneers]. [PDF]
Hua Xi Kou Qiang Yi Xue Za Zhi, 2017 Cui H, Jia Y, Shaofeng M, Biyun G.
europepmc +1 more source
一种绝缘体上硅的波导光栅耦合器，所述耦合器采用绝缘体上硅材料，包括：一衬底；一限制层，该限制层制作在衬底上；一波导层，该波导层制作在限制层上，该波导层上面的一端横向制作有衍射光栅；一光子器件 ...
俞育德, 李智勇, 周亮, 余金中
core
[Research progress on the acquisition technology of magnetocardiography]. [PDF]
Sheng Wu Yi Xue Gong Cheng Xue Za ZhiKang B +5 more
europepmc +1 more source
[Evaluation of the clinical effect of concentrated growth factor combined with sticky bone in maxillary anterior alveolar ridge preservation]. [PDF]
Hua Xi Kou Qiang Yi Xue Za ZhiWei X, Zhang S, Ba K.
europepmc +1 more source
[Evaluation of bioceramic putty repairment in primary molars pulpotomy]. [PDF]
Beijing Da Xue Xue Bao Yi Xue Ban, 2019 Lei Y, Yang YT, Zhan Y.
europepmc +1 more source
[Effects of cold atmosphere plasma treatment on the biological behavior of human gingival fibroblasts]. [PDF]
Beijing Da Xue Xue Bao Yi Xue BanZheng M +7 more
europepmc +1 more source