皮皮学，免费搜题
登录
搜题
【简答题】
待分离组分的分配系数 K 值越小,在色谱柱中停留的时间越 _______ ,其保留时间越 ________ ,各组分的 K 值相差越大,它们越易分离。
拍照语音搜题，微信中搜索"皮皮学"使用
参考答案：
参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【简答题】The Occupational Safety and Health Administration (OSHA) was formed in 1971, and it was placed under the control of ______.
【单选题】For ______ football players, injuries are an occupational hazard which seems unaviodable.
A.
academic
B.
professional
C.
dramatic
D.
additional
【单选题】The main idea of this passage is that______.
A.
culture shock is an occupational disease
B.
culture shock is caused by the anxiety of living in a strange culture
C.
culture shock has peculiar symptoms
D.
it is very hard to cope with life in a new setting
【简答题】Hazar危害的定义
【简答题】职业病(occupational disease)
相关题目：