Results 111 to 120 of about 45,331 (170)

1 000 kV输电线路耐张塔等电位带电作业电位转移电流计算

open access: yesGaoya dianqi
特高压输电线路等电位带电作业过程中会出现电弧放电,产生高幅值、高能量的脉冲电流,因此提出准确的转移电流计算方法对作业人员的安全防护具有重要意义。文中提出了基于电弧模型的电位转移电流计算方法,可对进入等电位的过程进行模拟。基于PSCAD平台建立了1 000 kV输电线路耐张塔等电位带电作业电位转移电流计算模型,同时分析了进入等电位的方式及速度对转移电流的影响。仿真与实测结果基本一致,表明该计算模型能够有效反映电位转移电流的动态变化特性。采用软梯法获得的转移电流峰值更小,提高进入等电位速度 ...
龙泉   +6 more
doaj  

[Plasma lipidomics-based exploration of potential biomarkers of metastasis in pediatric medulloblastoma]. [PDF]

open access: yesZhongguo Dang Dai Er Ke Za Zhi
Yang CJ   +5 more
europepmc   +1 more source

Small Cell Lung Carcinoma Metastatic to the Ovary: Reports of Two Cases [PDF]

open access: yes, 2010
Chengying SUN   +3 more
core  

In vivo study on IL-37 inhibition of malignant melanoma metastasis. [PDF]

open access: yesZhong Nan Da Xue Xue Bao Yi Xue Ban
Yang J, Fu L, Yang Y, Lin L.
europepmc   +1 more source

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