Man is the most precious resources between heaven and earth, resource effectiveness of the function, exploitation and refining depends on people.
人是天地间最宝贵的资源，资源能否有效的发挥功能，有赖于人们的开采和提炼。
2
A lab-scale chemical neutralizing-coagulative precipitation process was carried out to treat fluoride-rich acid wastewater in a rare earth wet refining factory.
采用实验室规模的化学混凝沉淀法处理某稀土湿法冶炼厂酸性含氟废水。
3
Rare Earth(RE) elements possess integrated effects on modifying, refining and purifying of casting Al alloys without any pollution.