单项选择题
下列跃迁形式中,哪一种产生的是共振荧光()
A.A B.B C.C D.D
单项选择题 One of the main advantages of a graphite-furnace atomizer is that()
单项选择题 The purpose of the ashing step in graphite-furnace atomic-absorption spec-troscopy is to()
单项选择题 The purpose of the flame in flame atomic-absorption spectroscopy is to()