比色法涉及氟离子对预先形成的颜色的消色作用.The colorimetric methods involve the bleaching of a preformed color by the fluoride ion.用香草醛-冰醋酸比色法测定西洋参中总皂甙的含量.The content of ginsenoside in Panax quinquefolium L was determined by colorimetry.方法: ...
Historians seem to have confused the chronology of these events.历史学家好像把这些事件发生的年代顺序搞混了。This is a chronology of the events of last year.这是一张去年大事记年表。Functional resumes emphasize your related skills while downplaying your wo...
Dalian University offers courses in science and in the humanities.大连大学开设自然科学和人文科学课程.She has a background in humanities and modern languages.她学过人文学科和现代语言.I prefer science to the humanities.我喜爱自然科学,不喜欢人文科学....