medium drugs是什么意思

用法例句

Lab.experiment of ammoniated slurry concentrated process by using Yichang middle grade phosphate rock;

料浆法磷铵用宜昌中品位磷矿的实验室评价实验

With the medium-grade kaiyang phosphate rock,the lab.

介绍开阳中品位磷矿采用"料浆浓缩"工艺制取磷酸一铵的评价实验,对湿法磷酸工艺、磷酸氨化、磷铵料浆浓缩和干燥等过程进行了研究,测定了有关的物性数据和技术经济指标,为我国中品位磷矿采用料浆浓缩法制磷酸一铵工艺提供参考数据。

A process for extracting rare earth from midgrade bastnasite concentrate by NH 4Cl roasting was investigated.

采用氯化铵焙烧法分解中品位氟碳铈矿精矿 (REO:～ 30 % ) ,热水浸取焙砂后 ,浸取液采用环烷酸全捞制备氯化稀土产品。