Question (One or more correct answers) For the mass spectrometer it is true that
A) the magnetic field of the analyzing magnet varies synchronously with the potential used in the ion optics B) the detector consists of a current measuring device C) the resolution is at most 0.1 mass unit for heavy elements D) isotopic ratios can not be determined E) the mass of the ions is proportional to their bending radius in the analyzing magnetic field 欢迎大家对各个选项展开讨论,翻译选项也可以