The composition, work principle as well as measurement and control system of a new X-ray separator for ore preconcentration are presented.
介绍了新型矿石预选设备X射-线分选机的组成、工作原理及其测量操作系统。
2
Trace amounts of molybdenum in water and soil extract samples were determined using a dual column on-line ion-exchange preconcentration FIA-ICP system.
本文采用双柱在线离子交换预浓缩FIA-ICP系统，建立了水及土壤浸出液中痕量钼的测定方法。
3
The conditions for synthesis of PP (polypropylene) -diphenylcarbazide resin and separation and preconcentration of silver in geological samples have been studied.