The first mass filter stage transmits only ions having a sub-range of mass-to-charge ratios including a selected mass-to-chargeratio.
所述第一滤质器级布置成用于仅传输具有一子范围的质荷比的离子，该子范围包括所选的质荷比。
2
Use the way with peak data taken by stepped processing to get more exact and scientific results during data processing for evaluating electron charge and charge massratio.
在电子电量与荷质比测定实验的数据处理过程中，采用分步处理取峰值的方法，使结果更准确、更科。
3
By neglecting the value change of the chargetomassratio caused by the different pesticide solution, the corona charging method was used with water solution replacing pesticide solution.