Results 81 to 90 of about 323 (135)

[Determination of 39 fatty acids in liver of rats by gas chromatography-mass spectrometry]. [PDF]

Se Pu, 2023
Wu YX, Mu Y, Liu PS, Zhang YT, Zeng YX, Zhou ZF.   +5 more
europepmc   +1 more source

国际电工委员会17C23号文 额定电压72.5千伏及以上高压金属壳封闭组合电器和控制设备推荐标准草案

Gaoya dianqi, 1973
前言 1.草案适用于目前生产的额定电压72.5千伏及以上的以压缩空气、六氟化硫或矿物油绝缘的设备。但为了给今后可能出现的新设备留有余地,故“正常大气压力下空气以外的绝缘流体”的说法仍予以保留。 2.本草案尽量做到和IEC会刊298相吻合。但是删去了某些无用的定义和要求,如:取消了将“金属壳组合电器和控制设备”和“箱式组合电器和控制设备 ...
doaj  

[Research progress on ionic liquid-functionalized magnetic Fe₃O₄ nanomaterials in sample pretreatment- chromatographic analysis]. [PDF]

Se Pu
Li JX, Zhao LZ, Sun XM, He ZQ, Cao HL, Luo YJ, Yang B.   +6 more
europepmc   +1 more source

[Recent application advances of covalent organic frameworks for solid-phase extraction]. [PDF]

Se Pu, 2023
Gao YY, Ding YL, Chen LY, DU F, Xin XB, Feng JJ, Sun MX, Feng Y, Sun M.   +8 more
europepmc   +1 more source

[Determination of 18 Perfluorinated Compounds in Tea Leaves by a Quick, Easy, Cheap, Effective, Rugged, and Safe Method Combined With Ultra-High Performance Liquid Chromatography-Tandem Mass Spectrometry]. [PDF]

Sichuan Da Xue Xue Bao Yi Xue Ban
Sun W, Chuai Y, Zhou X, Zhang T, Yong L, Ren L, Luo X, Zou X.   +7 more
europepmc   +1 more source

[Fast determination of per- and polyfluoroalkyl substances in human serum by cold-induced phase separation coupled with liquid chromatography-tandem mass spectrometry]. [PDF]

Se Pu
Wang JD, Wang YW, Wu JX, Shi ZX.
europepmc   +1 more source

[Sulforaphane reduces reactive astrocyte-mediated neuron apoptosis <i>in vitro</i> by inhibiting the MAPK/NF-κB signaling pathway in Aβ42 oligomer-activated astrocytes]. [PDF]

Nan Fang Yi Ke Da Xue Xue Bao
Zhang S, Huang T, Yang C, Chen J, Lü T, Zhang J.   +5 more
europepmc   +1 more source

[Determination of 222 pesticide residues in olive oil by fully automatic QuEChERS pre-treatment instrument coupled with gas chromatography-quadrupole-time-of-flight mass spectrometry]. [PDF]

Se Pu
Liang Y, Lei C, Wang B, Zhang H, Wang X, Zhou X, Qi Z, Zhu M.   +7 more
europepmc   +1 more source

新型220千伏单断口六氟化硫断路器

Gaoya dianqi, 1982
本文介绍了中国西电公司和南斯拉夫动力投资公司新近共同研制成功的220千伏SF6断路器的参数、达到此参数所采取的主要措施及其在荷兰KEMA的试验结果。
doaj  

[Interpretation of the Disinfection Effects Testing and Evaluation Methods Section in <i>Test Methods for Disinfection Products (WS/T 10009-2023)</i>]. [PDF]

Sichuan Da Xue Xue Bao Yi Xue Ban
Wang Y, Wang J, Wei Q, Yu L, Shen J.
europepmc   +1 more source