Results 91 to 100 of about 1,666,813 (138)

500千伏隔离开关的绝缘结构研究

Gaoya dianqi, 1982
采用概率统计法进行绝缘配合、安全裕度和放电特性的选择;给出500千伏隔离开关模型和样品试验数据;总结出对地和断口绝缘结构设计和计算方法。
doaj  

[Effects of miR‑17‑5p regulation of the HIF‑1α/BNIP3 pathway on cognitive function and hippocampal synaptic plasticity in epileptic mice]. [PDF]

Zhongguo Dang Dai Er Ke Za Zhi
Zhang JL, Gao PP, Ren Y.
europepmc   +1 more source

潜伏型多硫醇固化剂、其合成方法及应用

, 2016
本发明公开了一种潜伏型多硫醇固化剂、其合成方法及应用。该潜伏型多硫醇固化剂的分子中包含有一个以上具有下式所示结构的β‑羟基硫代羧酸酯结构单元：其中R1至少选自(CH2)nCH3、C(CH3)3、苯基，n选自0-6中的任一整数；其合成方法包括：取摩尔比为1:1.01～1.5的含环氧基的化合物与单硫代羧酸在-10℃～30℃反应1～24h，再除去过量的单硫代羧酸，获得所述潜伏型多硫醇固化剂。利用该潜伏型多硫醇固化剂可与环氧树脂等反应形成聚合物。本发明的潜伏型多硫醇固化剂具有可长期稳定保存，无硫臭等特点 ...
王刚, 乌学东, 韩金, 薛清泉
core  

避雷器讲座(初稿) 第二讲 避雷器用閥片及非綫性均压电阻 附视频

Dianci bileiqi, 1972
第一章避雷器用阀片的基本特性避雷器中的阀片是一种对称性的非线性半导体电阻。所谓非线性电阻是指其电阻随外加电压的增加而减少的一种电阻。非线性半导体电阻分两大类——非对称性的与对称性的。加上不同极性的电压时,具有不同的伏安特性曲线的非线性半导体电阻叫做非对称性的非线性半导体电阻 ...
doaj  

[Advances in research on neuroelectrophysiological characteristics of post-stroke cognitive impairment based on quantitative electroencephalography and acupuncture interventions]. [PDF]

Sheng Wu Yi Xue Gong Cheng Xue Za Zhi
Feng Y, Su K, Ren Q, Pan R, Wang C, Zhang X, Li Q, Wang Y, Zhang M.   +8 more
europepmc   +1 more source

[Efficacy and Safety of High-dose Furmonertinib plus Intrathecal Pemetrexed 
for EGFR-mutant Non-small Cell Lung Cancer with Leptomeningeal Metastasis]. [PDF]

Zhongguo Fei Ai Za Zhi
Chen X, He M, Chen C, Jiang C, Li H, Lin Y, Yu T, Xie Y, Guo A, Huang M, Yin Z, Zhang T.   +11 more
europepmc   +1 more source

[Clinical strategies and indication expansion of interventional ultrasonography ablative therapy for hepatic tumors]. [PDF]

Zhonghua Gan Zang Bing Za Zhi
Liang YG, Wang HY, Zhao QY, Jiang TA.
europepmc   +1 more source

[Effect of body mass index on residual dizziness after repositioning in benign paroxysmal positional vertigo]. [PDF]

Lin Chuang Er Bi Yan Hou Tou Jing Wai Ke Za Zhi
Yun Y, Xu X, Luo X, Kang L, Wang H, Chang H, Xing J.   +6 more
europepmc   +1 more source

[Guideline for intervention and rehabilitation in children with autism spectrum disorder (2026 edition)]. [PDF]

Zhongguo Dang Dai Er Ke Za Zhi
National Health Commission of the People's Republic of China.
europepmc   +1 more source

[<i>Wuyou</i> Decoction alleviates hippocampal neuronal injury and improves synaptic plasticity in rats with chronic sleep deprivation by inhibiting ferroptosis <i>via</i> activating the Nrf2/HO-1 pathway]. [PDF]

Nan Fang Yi Ke Da Xue Xue Bao
He L, Wu D, Lai B, Niu Q, Chen J, Gao J, Long Q, Wang Z.   +7 more
europepmc   +1 more source