The contents of camphor, mentholum, isoborneol and borneol in Guanxingao are determined by gas chromatography.用气相色谱法测定了冠心膏中樟脑 、 薄荷脑 、 异龙脑和龙脑的含量.Objective : To establish a Capillary GC method for the determination of Isob...
Given the fraught nature of the subject, the results are gratifyingly uncontroversial.考虑到这个学科令人担忧的本性, 这结果让人满意得无可争议.The performance was at a gratifyingly high level.演出水平极高....