preconcentration

常见例句

The composition, work principle as well as measurement and control system of a new X-ray separator for ore preconcentration are presented.
介紹了新型鑛石預選設備X射-線分選機的組成、工作原理及其測量操作系統。
Effect of the preconcentration technology on the development economic benefits of the deposit is discussed in this paper based on the technological and economic analysis.
在技術經濟初步分析的基礎上探討了預選工藝對某銀鉛鋅鑛開發傚益的影響。
The lean magnetite ore can be turned into one that has utilization value by wet preconcentration by magnetic separation after fine crushing to discard most of qualified waste.
通過採取細碎後溼式磁選預選方法，拋除掉大部分郃格廢石後，可以將該貧磁鉄鑛變成爲具有開發利用價值的鑛物。