[Determination of 40 carbonyl compounds in ambient air by high performance liquid chromatography-triple quadrupole mass spectrometry]. [PDF]
Li GH +8 more
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]
Jiang Y +5 more
europepmc +1 more source
[Determination of perfluorinated compounds, antibiotics and pesticides in drinking water by automated solid phase extraction with ultra-performance liquid chromatography-tandem mass spectrometry]. [PDF]
Liang J +6 more
europepmc +1 more source
[Rapid determination of lubabegron residues in animal-derived foods by ultra performance liquid chromatography- tandem mass spectrometry]. [PDF]
Yang C +5 more
europepmc +1 more source
本实用新型涉及质谱分析的电离装置技术领域,具体涉及一种抑制低能光电子共振电离产生负离子的装置,包括紫外光源、推斥电极,聚焦电极,磁铁环,引出电极,金属孔电极和金属栅网,利用紫外光源照射金属孔电极表面产生光电子,通过在金属孔电极表面设置一个金属栅网并施加一定的电压将溢出的光电子从金属孔电极表面加速提取,减小低能的光电子与样品中的分子发生共振被捕获后产生负离子,获得高能的电子在电离区与样品发生碰撞电离而产生正离子,正离子被探测器检测,为了增加高能光电子与样品分子在电离区的碰撞电离效率 ...
黄云光 +6 more
core
[Preparation and <i>in vitro</i> biological performance evaluation of tannic acid-Brushite <i>in situ</i> composite bone cement material]. [PDF]
Zeng C, Tang J, Li T, Gao W.
europepmc +1 more source
本发明公开一种太阳能和锂离子电池一体化器件,包括:半导体层包括第一表面以及第二表面;正极以及负极,间隔设置于所述第一表面;外接电路,所述半导体层﹑所述正极﹑所述外接电路以及所述负极依次电连接以共同构成一回路;绝缘层,设置于所述第二表面;栅极,设置于所述绝缘层远离所述半导体层的表面,所述栅极接一第一电压;其中,所述半导体层为氧化物半导体层 ...
戴明志
core
[Determination of seven tire antioxidants and their quinone oxidation products in fine particulate matter by high performance liquid chromatography-tandem mass spectrometry]. [PDF]
Liu F +5 more
europepmc +1 more source

