Results 121 to 130 of about 1,215,928 (148)

[Clinical exploration and practice of a 16-step new model of comfortable supragingival scaling]. [PDF]

open access: yesHua Xi Kou Qiang Yi Xue Za Zhi
Chen Y   +6 more
europepmc   +1 more source

[Expert Consensus for Thermal Ablation of Pulmonary Subsolid Nodules (2021 Edition)]. [PDF]

open access: yesZhongguo Fei Ai Za Zhi, 2021
Ye X   +56 more
europepmc   +1 more source

胶体椭球系统玻璃态转变

open access: yes, 2016
玻璃材料的结构弛豫过程与其力学和热力学性质密切相关。过冷液体的黏度急剧增大,而静态结构却无明显变化。动力学减缓与静态结构的关系是多种玻璃态转变理论的核心问题。原子体系的结构往往难于捕捉,胶体系统中粒子的运动和结构可通过显微粒子追踪方法量化统计,被认为是研究物质相变的理想模型体系。相对于广泛研究的圆球系统,大多数分子和粒子并非球形,且粒子转动关联可揭示掩盖于圆球系统的现象和本质,而人们对非球形颗粒系统却了解甚少。我们利用显微观测和计算模拟研究二维胶体椭球系统 ...
王育人, 郑中玉
core  

装有避雷器的交流线路绝缘子(法国专利FR2649243)

open access: yesDianci bileiqi, 1994
装有避雷器的交流线路绝缘子(法国专利FR2649243)在中压交流网路用钢化玻璃、瓷或合成绝缘子上安装了带导弧角的避雷器。在绝缘子的接地端和导弧角支架之间装有切断泄漏电流用的氧化锌阀片。阀片柱用玻璃丝线以30°~60°交叉缠绕绑扎后浸胶,在绑扎线外面...
doaj  

[Clinicopathological and genetic analysis of interstitial disease-like pulmonary intravascular large B cell lymphoma]. [PDF]

open access: yesZhonghua Xue Ye Xue Za Zhi
Liu HY   +7 more
europepmc   +1 more source

盘形悬式绝缘子长期电晕作用下的研究

open access: yesDianci bileiqi, 1990
众所周知,在电压约20kV时,干而清洁的绝缘子上开始电离过程(电晕放电,玻璃表面放电),其强度随电压升高而提高。担心这个过程会导致玻璃件加速老化(破坏或丧失绝缘性能)、绝缘子金具腐蚀,使其可靠性变差。列出了在40及46kV电压下单片ПС400—A、ПС300—K、ПСК210—A、ПСС210型悬式绝缘子的长期试验结果 ...
doaj  

无机玻璃绝缘涂料

open access: yes, 2004
王耀祥, 章兴龙, 马成义
core  

[Chinese expert consensus on the application of flow cytometry in the diagnosis and detection of minimal residual disease in B-cell non-Hodgkin lymphoma (2025)]. [PDF]

open access: yesZhonghua Xue Ye Xue Za Zhi
Hematological Oncology Committee of China Anti-Cancer Association   +3 more
europepmc   +1 more source

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