Results 51 to 60 of about 922 (101)

[Determination of caffeine and taurine in electronic cigarette oil by high performance liquid chromatography- tandem mass spectrometry]. [PDF]

Se Pu
Sun X, Chang QZ, Wang C, Shao WH, Feng F.   +4 more
europepmc   +1 more source

[Determination of five photoinitiators including 2，4，6-trimethylbenzoyl diphenyl phosphine oxide in gel nail polish by high performance liquid chromatography]. [PDF]

Se Pu
Gong X, Sun J, Li XX, Feng YL.
europepmc   +1 more source

[Simultaneous determination of vitamins K₁ and K₂ in cosmetics by QuEChERS-high performance liquid chromatography and verification by high performance liquid chromatography-tandem mass spectrometry]. [PDF]

Se Pu
Sun Q, Chen CX.
europepmc   +1 more source

[Plasma lipidomics-based exploration of potential biomarkers of metastasis in pediatric medulloblastoma]. [PDF]

Zhongguo Dang Dai Er Ke Za Zhi
Yang CJ, Xu XQ, Bao L, Wu WS, Jiang DC, Shi ZY.   +5 more
europepmc   +1 more source

一起110 kV变压器差动保护跳闸事件的分析与处理

Gaoya dianqi
某110 kV变压器在运期间发生差动保护跳闸，造成全站失压三级电力事件。为了查找变压器故障原因，首先分析了保护动作情况，故障后电气试验和本体油色谱数据，特别是FRA图谱中低频段电感与电容特性之间的差异，初步得到绕组故障位置和类型；其次对故障变压器进行了返厂解体分析；最后开展了以问题为导向的设计校核和电磁线机械强度测试。故障变压器绕组解体表现和分析结果基本一致，验证了分析方法的准确性，设计校核可以辨识老旧变压器抗短路能力不足风险，为防范变压器突发短路故障和内部故障诊断提供了经验指导。
刘君, 任海川, 李堃, 徐舒蓉, 黄欢, 杜伟   +5 more
doaj  

[Metabolomic alterations in preterm infants with bronchopulmonary dysplasia]. [PDF]

Zhongguo Dang Dai Er Ke Za Zhi
Wu YY, Bu QQ, Wang X, Li T, Wu HY, Kang L, Wang YY, Liu DP, Guo J, Wang CJ, Kang WQ.   +10 more
europepmc   +1 more source

[Research progress on the pretreatment and analysis of prohibited components of glucocorticoids in cosmetics]. [PDF]

Se Pu
Liu L, Xiao XH, Fang JH, Li GK.
europepmc   +1 more source

[Determination of ethylene oxide and acetaldehyde in petrochemical exhaust based on thermal desorption- gas chromatography-mass spectrometry]. [PDF]

Se Pu
Li YJ.
europepmc   +1 more source

[Tracing the origin of crude oil based on fingerprint profiles obtained by comprehensive two-dimensional gas chromatography-time-of-flight mass spectrometry]. [PDF]

Se Pu
Zhang WY, Chen P, Xie WX, Gao XB, Zhang WF, Dai W, Lin SY, Zhu SK.   +7 more
europepmc   +1 more source

[Determination of squalene and oxidized squalene in edible oil by gas chromatography-tandem mass spectrometry and evaluation of the thermal stability of squalene]. [PDF]

Se Pu
Xiao GP, Liao DD, Li GS, Luo X, Yuan L.
europepmc   +1 more source