常見例句雙語例句Precipitation process of the goethite from hot acid leaching solution of zinc concentrate roast dust was investigated.研究了從鋅焙燒菸塵常壓熱酸浸出液中沉澱針鉄鑛的過程。The enrichment and recovery of tantalum and niobium through acid leaching and sodium alkali fusing from tungsten residue is studied.研究了用酸浸與鈉堿熔融法從鎢渣中富集和廻收鉭鈮。To improve the utilization value of diatomite ore, a research on isothermal stable state acid leaching purification by microwave was made.爲(wèi)提高矽藻土鑛利用價(jià)值，進(jìn)行了微波作用下矽藻土鑛的穩(wěn)態(tài)酸浸提純研究。 返回 acid leaching