本发明公开了一种可同时检测正、负离子的组合式平板差分式离子迁移谱,包括正、负离子分离区,正离子漂移区和检测区,负离子漂移区和检测区;正、负离子分离区由两组或两组以上平行的电极对(或平行栅网)组成,平行的电极对(或平行栅网)间施加一定的电压差,在电场作用下实现正负离子的空间分离;正、负离子分别进入正离子漂移区和检测区、负离子漂移区和检测区进行分析检测。这样可以有效避免正、负离子由于相互吸引而导致的正 ...
王卫国, 李海洋
core
[Assessment on data processing methods for nontarget identification of per- and polyfluoroalkyl substances using liquid chromatography-high-resolution mass spectrometry]. [PDF]
Zhang BX +5 more
europepmc +1 more source
高性能、低成本含氟类聚合物隔膜在全钒液流储能电池中的应用研究
隔膜是全钒液流储能电池(VFB)中的关键材料之一,对VFB效率、稳定性以及成本有直接影响。目前常用商业化的全氟磺酸膜存在离子选择性差以及成本昂贵等问题,因此开发高性能、低成本及高耐久性VFB用隔膜成为目前研究的重点。本篇论文主要从目前全钒液流电池用非氟离子交换膜和部分氟化类离子交换膜存在的问题开展以下两方面研究工作: 为解决高磺化度非氟烃类磺化聚醚醚酮(SPEEK)隔膜材料吸水易溶胀等问题,本论文采用PTFE多孔膜对其加强,以提高其离子选择性及稳定性。实验结果表明SPEEK/PTFE ...
魏文平
core
[Development of high-performance chromatographic materials and their application in herbalome research since 2020]. [PDF]
Feng J +8 more
europepmc +1 more source
[Development of a machine learning-based ionization efficiency prediction model for per- and polyfluoroalkyl substances and its application in semi-quantitative analysis]. [PDF]
Sun SZ +6 more
europepmc +1 more source
[Isolation, purification and immunomodulatory activity of polysaccharide from <i>Lonicera caerulea</i> L. var. <i>edulis</i> Turcz. ex Herder]. [PDF]
Huang Y +6 more
europepmc +1 more source
[Preparation of chiral micro-packed high performance liquid chromatography column with small-size silica gel coated with amylose tris(3,5-dimethylphenylcarbamate)]. [PDF]
Zhang CG +5 more
europepmc +1 more source
[Determination of 33 non-steroidal anti-inflammatory drug residues in horse urine by QuEChERS-ultra performance liquid chromatography-tandem mass spectrometry]. [PDF]
Zhang XN +7 more
europepmc +1 more source
[Innovative undergraduate teaching practice integrating MassWorks mass spectrometry analysis technology with gas chromatography-low resolution mass spectrometry]. [PDF]
Li ZX +7 more
europepmc +1 more source
[Research progress on sample pretreatment technology for the analysis of new pollutants in food using composite covalent organic framework materials]. [PDF]
Sun ZY, Yuan GN, Niu YY, Ma JP.
europepmc +1 more source

