【单选题】用光谱法对药物进行鉴别时,不正确的结论是
A.
含有芳环或共轭双键的药物在紫外光区有特征吸收
D.
在规定条件下,如果红外吸收图谱的峰位、峰形、相对强度都一致可认定是同一物质
【简答题】10106 Q1:( ) A. Dalian Maritime University. B. Shanghai Maritime University. C. Jimei University. D. Qingdao Ocean Shipping Mariners College. Q2:( ) A. Band Two. B. Band Four. C. ...
【单选题】颗粒剂标示装量为1.5g以上至6.0g时,装差异限度为
【单选题】So much ______ by the poem for the Wenchuan earthquake that he decided to participate in the re-construction of the damaged region.
【简答题】A.He gets a sore throat in the meeting. B.Re feels hard to recover. C.He is uneasy about his performance. D.He looks down on himself.
【单选题】用光谱法对药物进行鉴别时,不正确的结论是
A.
含有芳环或共轭双键的药物在紫外光区有特征吸收
【单选题】颗粒剂标示装量为6.0g以上时,装差异限度为
【单选题】SELECT 指令的哪个子句可以用来进行排序?
【判断题】关于“六气致病”说的记载,最早见于《内经》
【判断题】酶的活性中心可以 结合底物并催化底物进行反应