A、B两种物质,A在流动相中溶解度大于B,进行洗脱时先被洗脱下来的是
A.A物质B.B物质C.同时洗脱D.都不被洗脱E.洗脱速度与物质的颗粒大小有关
参考答案:A
-Which of the ways should I take to the village?
- way as you please.All seem to be equal in distance.
A.Neither
B.None
C.Any
D.Either
摄影基线