ms multi-stage 中文意思是什麼
ms multi-stage
解釋
多級-
Rapid analysis of triterpenoid saponins in plant extracts from leaves of acanthopanax senticosus harms using electrospray ionization multi - stage tandem mass spectrometry esi - ms n
快速分析刺五加葉粗提物中三萜皂苷成分 -
The structures of phenylethanoid glycosides in plant extract of cistanches deserticola were successfully analyzed and identified by electrospray ionization multi - stage mass spectrometry ( esi - ms ( superscript n ) ) in negative mode, some interesting neutral losses were found, which helped us to confirm the structures of compounds without tedious separation and purification procedures, then the fragmentation mechanisms were explored
摘要採用電噴霧多級串聯質譜技術,對肉蓯蓉藥材粗提物中的苯乙醇苷類化合物的特徵質譜行為進行了系統研究,根據一些特徵的中性碎片丟失,提出了該類化合物的質譜裂解規律。
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