表示色谱柱柱效的参数有
A.峰宽(W)
B.半峰宽(Wh/2)
C.标准差(σ)
D.4σ
E.1.699Wh/2
参考答案:A,B,C,D,E
The poster was revised _______ the suggestions of other group members. [ ]
A. based on
B. to base on
C. basing on
D. which based on
下列关于贵细中药养护与保管的叙述,错误的是()
A.贵细中药材是指来源不易、经济价值高、稀少而名贵,需特殊保管的品种
B.贵细中药材大多是植物类、动物类、菌藻类
C.贵细中药材在入库时,除对品种真伪、规格进行检查外,在保管上应放在专用库房内储存,并由专人负责
D.贵细中药材在保管上应放在专用库房内储存,并有专人负责
E.常用的贵细中药材有人参、鹿茸、麝香、羚羊角、海龙等