Results 121 to 130 of about 39,483 (195)

[Advances in targeted therapies for chronic spontaneous urticaria]. [PDF]

open access: yesZhejiang Da Xue Xue Bao Yi Xue Ban
Zhou L, Hu C, Wang S, Zhang R.
europepmc   +1 more source

氧化锌压敏电阻器耐冷热冲击性的影响因素研究

open access: yesDianci bileiqi
研究了环氧粉末包封料、助焊剂残留及清洗剂、氧化锌压敏电阻器引线直径、硅胶内涂、环氧粉末包封料固化温度和时间、冷热冲击条件等多种因素对于氧化锌压敏电阻器耐冷热冲击性的影响。通过研究发现,不同环氧粉末包封料影响较大。助焊剂残留会严重劣化耐冷热冲击性,不同清洗剂的清洗效果存在差异。环氧粉末包封料固化不充分,会降低耐冷热冲击性。硅胶内涂因为与环氧的相容性差,会明显劣化耐冷热冲击性。不同的耐冷热冲击条件,其中低温区影响更加明显。
周庆丰
doaj  

[Efficacy and safety analysis of BTK inhibitors combined with R-CHOP regimen in newly diagnosed double-expressor diffuse large B-cell lymphoma]. [PDF]

open access: yesZhonghua Xue Ye Xue Za Zhi
Lu JB   +9 more
europepmc   +1 more source

[Research progress on external cervical resorption]. [PDF]

open access: yesZhejiang Da Xue Xue Bao Yi Xue Ban
Chen R   +5 more
europepmc   +1 more source

[The logic of survival in patients with acute liver failure]. [PDF]

open access: yesZhonghua Gan Zang Bing Za Zhi
Weng HL.
europepmc   +1 more source

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