Results 101 to 110 of about 103,294 (151)

[Deep eutectic solvent and improved needle filter-based liquid-membrane microextraction combined with high performance liquid chromatography for the determination of sulfonamide and fluoroquinolone residues in milk]. [PDF]

Se Pu
Xu RM, Wu YY, Gu ZH, Wei W, Lu XY, Xia ZH.   +5 more
europepmc   +1 more source

[Revolution teaching practice in sample pretreatment supported by large-scale instrument： a case study of magnetic covalent organic framework enriching organic ultraviolet filters in seawater]. [PDF]

Se Pu
Li S, Zhu YL, Ren Z, Gao DD, Gu HL, Lao JL.   +5 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

磺化聚芳醚砜毫微滤膜的制备

, 1993
一种磺化聚芳醚砜毫微滤膜的制备方法是采用带有酚酞基侧链的聚芳醚砜为原料采用浓硫酸直接磺化的方法制得磺化聚芳醚砜，可加入少量无机盐或有机添加剂后溶解于溶剂中配制成铸膜液，再利用相转化法成膜。这种方法操作简单，磺化条件缓和，易成膜。该滤膜在较低压力下可用于浓缩，分离分子量１０００以下的天然色素，生物酶及其它有机物或在苦咸水淡化和超纯化制预处理等多方面，具有其广泛的工业应用前景 ...
金秀龙, 夏冰, 董声华, 郑领英
core  

[Determination of 16 organic ultraviolet absorbers in drinking water by solid phase extraction-ultra-high performance liquid chromatography-tandem mass spectrometry]. [PDF]

Se Pu
Wang Z, Zhao C, Ye BX, Chen YY.
europepmc   +1 more source

高超声速近连续流的粒子模拟研究

, 2013
针对高超声速近连续流动模拟,发展高效的统计粒子模拟方法,进而研究高超声速近连续流动的热非平衡特征,分析连续性假设的失效准则。初步的研究表明,在传统的DSMC方法基础上,在粒子碰撞时考虑分子所在位置各个宏观流动物理量的差异 ...
杨超, 孙泉华
core  

[Rapid determination of five antipyretic analgesics in surface water by online solid phase extraction and ultra-high performance liquid chromatography-tandem mass spectrometry]. [PDF]

Se Pu
He P, Wang LQ, Zhou S, Zhang BF, Jia X, Chi Y, Xu ZQ, Tang W.   +7 more
europepmc   +1 more source

[Native mass spectrometry and ultraviolet photodissociation reveal conformation-selectivity of zinc ion to α-synuclein]. [PDF]

Se Pu
Qin H, Xuan Y, Zhao H, Liu Z, Ding F, Wang F.   +5 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 22 organophosphates and their metabolites and 11 phthalate metabolites in human whole blood by ultra performance liquid chromatography-tandem mass spectrometry]. [PDF]

Se Pu
Shi FY, Xu HY, Li JH, Xu MY.
europepmc   +1 more source