Results 61 to 70 of about 454 (108)

航空供电系统用氧化锌压敏电阻多重雷电冲击老化及失效特性研究

Dianci bileiqi
氧化锌压敏电阻在重复过电压下性能会逐渐劣化，最终可能导致短路、起火或爆炸，目前单次耐受测试无法全面反映ZnO压敏电阻在实际使用中的预期性能，亟需对其冲击老化特性及失效机理进行深入研究。文中建立了ZnO压敏电阻重复冲击电流试验实验平台，研究了以压敏电压、冲击残压及泄漏电流为表征的ZnO压敏电阻保护特性劣化特性。研究结果表明，压敏电阻的冲击老化寿命随着冲击密度的增加而显著减少，这是由于电阻片尺寸效应引起的微观缺陷增加所致。此外，不同电流幅值条件下的冲击间隔对老化过程也有显著影响 ...
李宣健楠, 方子欣, 李浩然, 余佳豪, 孙晋茹   +4 more
doaj  

[Guardians of Immune Tolerance: Regulatory T Cells]. [PDF]

Sichuan Da Xue Xue Bao Yi Xue Ban
Ming K, Zhang H, Hu H.
europepmc   +1 more source

[Metabolic reprogramming by glutathione S-transferase enhances environmental adaptation of <i>Streptococcus mutans</i>]. [PDF]

Hua Xi Kou Qiang Yi Xue Za Zhi
Zheng H, Peng X, Zou J.
europepmc   +1 more source

[Bioinformatics screening and analysis of key genes of ferroptosis and autophagy in alcoholic liver disease and their validation]. [PDF]

Zhonghua Gan Zang Bing Za Zhi
Zhang QQ, Zhang QQ, Zhang HY, Zhang RX, Liu LX.   +4 more
europepmc   +1 more source

[High-throughput circular RNA sequencing reveals tumor-specific high expression of hsa_circ_0001900 in Wilms tumor in association with poor prognosis]. [PDF]

Nan Fang Yi Ke Da Xue Xue Bao
Gao Z, Lin J, Hong P, Hu Z, Cui K, Wang Y, Dong J, Shi Q, Tian X, Wei G.   +9 more
europepmc   +1 more source

[Establishment and Evaluation of a Nucleic Acid Amplification Test for Spectinomycin-Resistant <i>Neisseria gonorrhoeae</i>]. [PDF]

Sichuan Da Xue Xue Bao Yi Xue Ban
Yang G, Li M, Wang Y, Yong G, Wang H, Bie M.   +5 more
europepmc   +1 more source

[Interferon-λ1 improves glucocorticoid resistance caused by respiratory syncytial virus by regulating the p38 mitogen-activated protein kinase signaling pathway]. [PDF]

Zhongguo Dang Dai Er Ke Za Zhi
Peng L, Liu Y, Li FC, Ding XF, Lin XJ, Yang TH, Zhong LL.   +6 more
europepmc   +1 more source

[Real-time rectal swab Xpert Carba-R assay for early warning of CRO bloodstream infection in patients undergoing hematopoietic stem cell transplant: a clinical feasibility study]. [PDF]

Zhonghua Xue Ye Xue Za Zhi
Xie DR, Qian CJ, Li ZX, Shi W, Zhong ZD, Xia LH, Wu QL, Hong M.   +7 more
europepmc   +1 more source

[Fufang Changtai Decoction Inhibites Colorectal Cancer Through Ferroptosis: Investigation of the Underlying Mechanism]. [PDF]

Sichuan Da Xue Xue Bao Yi Xue Ban
Gu J, Li L, Liu M, Deng S, Yu J, Huo J, Ji Y.   +6 more
europepmc   +1 more source

[<i>Xiezhuo Jiedu</i> Recipe improves ulcerative colitis in rats by regulating Th17/Treg immune balance]. [PDF]

Nan Fang Yi Ke Da Xue Xue Bao
Li B, Zhou X, Lang X, Kang X, Liu J.
europepmc   +1 more source