羟基葸醌UV光谱由醌样结构引起的强吸收峰是 A.230nm B.240~260 发布时间:2017-04-25 00:09 │ 来源:www.tikuol.com 题型:单项选择题 问题: 羟基葸醌UV光谱由醌样结构引起的强吸收峰是A.230nm B.240~260nm C.262~295nm D.305~389nm E.>400nm
题型:单项选择题 —It's cloudy outside. Please take an umbrella. — __________. A.Yes, take it easyB.Well, it just dependsC.OK, just in case D.All right, you're welcome 查看答案