研究了胆甾醇酯类和胆甾醇卤代物的电子轰击电离（EI）、场解吸电离（FD）、化学电离（CI）的质谱。

Mass spectra (MS) of cholesterol esters and halides were obtained by means of Electron Impact (EI), Field Desorption (FD) and Chemical Ionization (CI).

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研究了10种2，4-二氨基-6-取代磺酰胺喹唑啉类药物的电子电离及场解吸质谱。

The electron impact and field desorption mass spectra of 10 2,4-diamino-6-substituted quinazoline sulfonamides were investigated.

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