黄体酮中其他甾体检查时,采用HPLC的具体方法是A.对照品对比法B.百分吸收系数法C 发布时间:2017-12-19 01:15 │ 来源:www.tikuol.com 题型:单项选择题 问题: 黄体酮中其他甾体检查时,采用HPLC的具体方法是A.对照品对比法B.百分吸收系数法C.高低浓度对比法D.主成分自身对照法E.比移值(Rf值)法
题型:单项选择题 -Shall we invite Tom to play football now? -Oh, no. He his clothes.[ ]A. is washing B. washes C. has washed 查看答案