原子吸收分光光度法是基于从光源辐射出待测元素的特征谱线的光,通过样品的蒸气时,被蒸气 发布时间:2017-11-16 20:00 │ 来源:www.tikuol.com 题型:单项选择题 问题: 原子吸收分光光度法是基于从光源辐射出待测元素的特征谱线的光,通过样品的蒸气时,被蒸气中待测元素的()所吸收A、原子B、基态原子C、激发态原子D、分子
题型:单项选择题 Jack has been working hard these days.It's obvious that there is ________he is eager for but didn't mention to us.A.anythingB.somethingC.nothingD.everything 查看答案