Results 81 to 90 of about 532,834 (121)

[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

[Magnetic one-step purification-high performance liquid chromatography-triple quadrupole/composite linear ion trap mass spectrometry for the determination of 54 veterinary drug residues in carp]. [PDF]

Se Pu
Wen YP, Huo WD, Zhang CY, Liu H, Mu YC, Wu LD, Li JC.   +6 more
europepmc   +1 more source

[Determination of 17 bisphenol compounds in human urine by solid supported liquid-liquid extraction-ultra-high performance liquid chromatography-tandem mass spectrometry]. [PDF]

Se Pu
Jin Y, Zhang LG, Zhou JX, Ma JJ, Yuan LL, Xiao P, Wang GQ.   +6 more
europepmc   +1 more source

[Preparation of a novel polyhydroxy silica stationary phase and application in the separation of alginate oligosaccharides]. [PDF]

Se Pu
Jiao RW, Zhang DD, Hu XY, Zhu WT, Li X, Cai YD, Ren DD, Wang QK, Wu L, Zhou H.   +9 more
europepmc   +1 more source

[Establishment and application of a knowledge-directed pseudo-targeted analytical method for diabetic retinopathy]. [PDF]

Se Pu
Hou YQ, Chi XY, DU TH, Yan ZQ, Hou DD, Hu CX, Liu YX, Liu XY, Xu GW.   +8 more
europepmc   +1 more source

[Deep overparameterized blood cell detection algorithm utilizing hybrid attention mechanisms]. [PDF]

Sheng Wu Yi Xue Gong Cheng Xue Za Zhi
Zhu S, Zhang X, Wang Z, Jiang R, Liu Z.
europepmc   +1 more source

特高压钢管塔微风振动稳态幅值估计方法研究

钢管塔在我国特高压输电线路中应用广泛。在微风作用下圆形截面构件会形成稳定的卡门涡旋，从而导致构件发生微风振动，极易诱发螺栓松动、连接疲劳等问题，危及特高压钢管塔结构安全。针对特高压钢管塔，建立了斜材的力学模型，得到了斜材微风振动的弯曲振动微分方程，给出了其固有频率计算方法，研究了轴力大小和连接刚度对斜材横向弯曲振动频率的影响。运用能量平衡法，考虑风输入能量和螺栓滑移耗能，给出了斜材稳态振幅计算方法。针对SJ3021型特高压钢管塔斜材，研究了风速和连接刚度对斜材振动稳态幅值的影响 ...
江文强, 冯立言, 王彤, 霍仕康
core  

[Determination of tetracyclines in animal muscle tissues by ultra performance liquid chromatography- tandem mass spectrometry]. [PDF]

Se Pu
Chu K, Li JH, Wang QQ, Li XT, Wu S, Chen C.   +5 more
europepmc   +1 more source

[Determination of 51 per- and polyfluoroalkyl substances in raw water and drinking water by online solid-phase extraction coupled with ultra performance liquid chromatography- tandem mass spectrometry]. [PDF]

Se Pu
Chen YY, Lyu J, Ye BX, Zhang L, Wang YY, Jin N.   +5 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