题目内容
紫外分光光度计测定样品时，选择什么样的比色皿呢？
查看答案
搜索结果不匹配？点我反馈
更多问题
通常情况下，利用紫外分光光度计测样品浓度时，需要将（）保持恒定。
紫外分光光度法测定样品，仪器进行基线校准时，应该选择（）进行校准。
紫外分光光度计测定样品，通过光栅获得单色光光源。
Listen to a dialogue and decode the message by finding out the correct choices in brackets according to what you have heard.[音频]Chen is invited to George’s party. And she has brought along a freshly 1(made, take, baked) cake with her. George is her friend from 2(Africa, Australia, America) . He is very happy when Chen tells him that she wouldn’t miss the party for the 3 (word, world, award) . He takes this as a (an) 4 (accomplishment, complement, compliment) . After they greet each other, George tries to introduce Chen to his friends. But Chen doesn’t want to 5 (introduce, interrupt, influence) others, since all of them seem to be enjoying themselves. So George stops talking and asks Chen to 6 (drink, dance, rest) with him. But Chen says she needs to have some wine to get in the 7 (wood, mood, food) first.
微信支付 
支付宝支付