色谱分析中相对响应值和相对校正因子不受操作条件的影响,只随检测器的种类而改变。( )
参考答案:对
苯海拉明最常见的不良反应是
A.失眠
B.消化道反应
C.镇静,嗜睡
D.口干
E.粒细胞减少
Our teacher told us that we must be strict ourselves our study.
A.in with
B.with with
C.in in
D.with in