Results 51 to 60 of about 4,272 (101)

[Experimental teaching design of instrument analysis for undergraduate study： detection of bifenthrin pesticide residues in tea by response surface methodology-optimized QuEChERS combined with gas chromatography-mass spectrometry]. [PDF]

Se Pu
Gu CX.
europepmc   +1 more source

[Integrated pharmaceutical innovation experiment： preparation of molecularly imprinted polymers and the application in sample pretreatment for in vivo drug analysis]. [PDF]

Se Pu
Jiang Y, Guo R, Song Z, Liu Z, Fan Y, Xu H.   +5 more
europepmc   +1 more source

[Determination of 40 carbonyl compounds in ambient air by high performance liquid chromatography-triple quadrupole mass spectrometry]. [PDF]

Se Pu
Li GH, Deng S, Li QQ, Zhang CL, Liu YF, Jiang B, Yao Q, Wang H, Wang BG.   +8 more
europepmc   +1 more source

[Determination of six whitening ingredients in cosmetics by ultra performance liquid chromatography coupled with photodiode array detector and corona charged aerosol detector]. [PDF]

Se Pu
Li X, Wang Y, Fan F, Zhou W, Chen B, Shi H, Cai G, Liu Y, He Y.   +8 more
europepmc   +1 more source

[Determination of 13 prohibited alkaloids in essential oil-based cosmetics by ultra performance liquid chromatography-tandem mass spectrometry combining QuEChERS purification]. [PDF]

Se Pu
Liu Z, Wang YM, Pan JB, Zong LL, Song YH, Sun XJ, Chen HY.   +6 more
europepmc   +1 more source

串联电抗器接入对超高压断路器TRV的影响研究

Gaoya dianqi
在线路上加装串联电抗器是抑制短路电流的有效措施，但同时也对断路器瞬态恢复过电压（TRV）产生显著影响，会影响断路器的正常开断，进而影响系统的安全稳定运行。文中结合中国现有500 kV超高压线路串联电抗器工程，利用电磁暂态仿真软件EMTP-RV研究了不同工况下串联电抗器接入对断路器TRV的影响。研究结果表明：接入的串联电抗器参数、位置对TRV有重要影响，串入的电感量越大，TRV电压上升率越低；安装位置越靠近断路器，TRV上升率越大；线路长度对TRV上升率影响较小，引起的变化幅度在5%以内 ...
李珂, 焦文耕, 卢波, 徐伟, 郭洁   +4 more
doaj  

[Research progress of electroactivity graphene-based materials in bone repair]. [PDF]

Zhongguo Xiu Fu Chong Jian Wai Ke Za Zhi
Kang R, Yuan W, Zhu Y.
europepmc   +1 more source

[Polydimethylsiloxane microfluidic aptasensor： opening a new era of biomarker point-of-care testing]. [PDF]

Se Pu
Yang Y, Xiao R, Wu Y, Bai L, Wang X, Zhai J.   +5 more
europepmc   +1 more source

[Application of molecularly imprinted polymers-based sensors for determination of acute coronary syndrome biomarkers]. [PDF]

Se Pu
Zhang Y, Xia J, Zhu J, Zeng M, Bai J, Xu Q, Gao H.   +6 more
europepmc   +1 more source

[Determination of seven tire antioxidants and their quinone oxidation products in fine particulate matter by high performance liquid chromatography-tandem mass spectrometry]. [PDF]

Se Pu
Liu F, Tang BB, Wu LY, Song LX, Zhang M, He M.   +5 more
europepmc   +1 more source