Results 111 to 120 of about 14,642 (171)
Gaoya dianqi, 2017 接地电阻是衡量接地体性能的重要指标。为降低方框带射线型接地体冲击接地电阻,文中采用模拟试验方法,在双层土壤环境下,研究水平分支对不同接地体冲击特性与散流分布的影响。结果表明:对于单根水平接地体,分支呈120°三段式结构的改型接地体的降阻效果最优;相较于简单方框带射线型接地体,添加水平分支,且分支呈120°的三段式结构可减小电感效应,使其分支端部的流散电流增大,火花放电更为强烈,使得平均降阻百分比可达10%。增加水平分支有利于降低接地体冲击接地电阻,需根据具体接地体尺寸改进。
肖磊石 +5 more
doaj
Gaoya dianqi针对海陆缆过渡接头处护套接地电流存在三相不平衡的问题，以某220 kV海陆缆混合线路为例，研究过渡接头处护套接地电流三相不平衡的原因。通过理论分析、仿真计算和试验验证发现回流缆的布置及接地方式是导致护套接地电流三相不平衡的主要原因。根据研究结果，提出回流缆布置及接地方式的改造方案，有效解决过渡接头处护套接地电流三相不平衡的问题，保障海陆缆安全稳定运行。
丛贇 +6 more
doaj +2 more sources
[Design and implementation of the internet of medical things data platform based on cloud-edge-end architecture]. [PDF]
Sheng Wu Yi Xue Gong Cheng Xue Za ZhiLiang H +10 more
europepmc +1 more source
[Gait event-driven dynamic changes in brain-muscle networks and neuromuscular coordination mechanisms]. [PDF]
Sheng Wu Yi Xue Gong Cheng Xue Za ZhiLiu X, Guo A, Liang T, Liu X, Qin L.
europepmc +1 more source
[Guidelines for the diagnosis and management of first relapsed multiple myeloma in China (2026)]. [PDF]
Zhonghua Xue Ye Xue Za ZhiPlasma Cell Disease Group +3 more
europepmc +1 more source
[Musculoskeletal biomechanical analysis of the three-dimensional gastrocnemius and soleus muscles]. [PDF]
Sheng Wu Yi Xue Gong Cheng Xue Za ZhiTang Z, Xu J, Jin Z, Li J.
europepmc +1 more source
[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
[Research progress on three-dimensional finite element analysis for fixed implant restoration of edentulous jaw]. [PDF]
Sheng Wu Yi Xue Gong Cheng Xue Za ZhiLan Y, Su B.
europepmc +1 more source