Results 61 to 70 of about 3,293 (119)

基于等离子体射流的可控避雷器间隙触发技术

Dianci bileiqi
为了降低残压，改善氧化锌避雷器的伏安特性，提高电网过电压防护水平，研究了基于等离子体射流间隙触发技术的可控避雷器。对可控避雷器触发开关的间隙结构等技术参数进行了设计，实现了以高低压电极、脉冲形成回路、等离子体喷射器为主体的避雷器触发间隙开关。对多路触发下间隙的导通特性进行了实验研究，并对电磁作用下导通弧柱的运动情况进行了仿真研究，对不同电压下间隙的导通特性进行了测量分析，验证了避雷器等离子体射流间隙触发技术的可行性。研究结果表明在该设计方案下，当间隙电压达到自持阈值时，能够在间隙触发6 ...
谷山强, 李健, 万帅, 张瑞, 杜雪松, 张晓琴   +5 more
doaj  

[Magnetic one-step purification-high performance liquid chromatography-triple quadrupole/composite linear ion trap mass spectrometry for the determination of 54 veterinary drug residues in carp]. [PDF]

Se Pu
Wen YP, Huo WD, Zhang CY, Liu H, Mu YC, Wu LD, Li JC.   +6 more
europepmc   +1 more source

[Refined surgical protocol and clinical efficacy of total expansion auricular reconstruction surgery]. [PDF]

Zhonghua Shao Shang Yu Chuang Mian Xiu Fu Za Zhi
Hao DY, Song BQ, Dong LW, Cang ZZ.
europepmc   +1 more source

[Current status and future directions of stability reconstruction following spinal tumor resection]. [PDF]

Zhongguo Xiu Fu Chong Jian Wai Ke Za Zhi
Zhou J, Dong J.
europepmc   +1 more source

[Application of an interpretable neural network framework based on the LASSO-proj algorithm for warfarin dose prediction]. [PDF]

Sheng Wu Yi Xue Gong Cheng Xue Za Zhi
Zhong C, Zhu Y, Gu X.
europepmc   +1 more source

[Review of application of U-Net and Transformer in colon polyp image segmentation]. [PDF]

Sheng Wu Yi Xue Gong Cheng Xue Za Zhi
Shi Y, Sun S, Liu J, Ma J, Li M.
europepmc   +1 more source

[Determination of 26 herbicide residues in soil， sediment， and surface water samples using modified QuEChERS method combined with ultra-high performance liquid chromatography-tandem mass spectrometry]. [PDF]

Se Pu
Zhao L, Ma L, Huang LQ, Chen JB, Zhu WF.
europepmc   +1 more source

[Determination of tetracyclines in animal muscle tissues by ultra performance liquid chromatography- tandem mass spectrometry]. [PDF]

Se Pu
Chu K, Li JH, Wang QQ, Li XT, Wu S, Chen C.   +5 more
europepmc   +1 more source

[Effect of lower limb amputation on hemodynamic environment of the left coronary artery: a numerical study]. [PDF]

Sheng Wu Yi Xue Gong Cheng Xue Za Zhi
Tai T, Jiang W, Li Z, Diao J, Li X.
europepmc   +1 more source

[State-of-the-art in peripheral nerve injury diagnosis and therapy]. [PDF]

Zhongguo Xiu Fu Chong Jian Wai Ke Za Zhi
Sun J, Chen L.
europepmc   +1 more source