常見例句Keywords oil;volatile;mass fragmentography; 毛山蒟;油類;揮發(fā);碎片質(zhì)譜法;Keywords GELSEMIUM ELEGANS;GELSEMINE;Mass Fragmentography; 鉤吻;鉤吻堿;碎片質(zhì)譜法;Keywords Methylmalonic acid;Vitamin B12;Mass fragmentography; 甲基丙二酸;維生素B_(12);碎片質(zhì)譜法;Keywords loratadine;therapeutic equivalency;mass fragmentography; 氯雷他啶;治療等效;碎片質(zhì)譜法;Keywords mass fragmentography;derivatization;abuse of drugs; 碎片質(zhì)譜法;衍生化;藥物濫用;Keywords plants;medicinal;volatile oil;mass fragmentography; 植物;藥用;揮發(fā)油;碎片質(zhì)譜法; 返回 fragmentography