Based on this, a new method to determine the fresh leaf with Fluorine ioncounter directly was set up.
以此为基础，建立了氟离子浓度计鲜叶直接测定法。
2
A serviceable method of determining mulberry leaf fluoride with a Fluorine ioncounter was studied, two sample prepared methods to determine influence of result was probed.
研究了采用氟离子浓度计测定桑叶氟化物含量的方法，探讨了不同样本制备方法对测定结果的影响。
3
The single-grain zircon evaporation method reported in this study has been realized owing to a multi-ion-counter configuration equipped in a newly developed mass spectrometer.