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- Gold recovery from the refractory arsenic sulphide concentrate was studied by column bio-leaching. 通过室内柱浸试验,对含砷难浸金精矿进行了生物氧化试验。
- The sintering of lead sulphide concentrate is one of the most important procedures in lead extraction by pyrometallurgy. 硫化铅精矿烧结焙烧是火法炼铅工艺的主要工序之一，铅烧结块质量的好坏将直接影响鼓风炉还原熔炼过程和铅的回收率。
- Rhas been applied in commercial production for treatment of Cu一Ni一Co sulphide,recovery of PGM, extraction Zn from sulphide concentrate andpre-oxidation of refractory gold ores. 这项技术已经在铜镍钴硫化物的处理，铂族金属回收，硫化锌精矿提取锌及难处理金矿预氧化等方面得到了工业化应用。
- High iron zinc sulphide concentrate 高铁硫化锌精矿
- Polymetallic sulphide concentrate 多金属硫化精矿
- complicated gold sulphide concentrate 复杂硫化金精矿
- Heat Balance of Pressure Leaching for Zine Sulphide Concentrate 硫化锌精矿加压浸出过程的热平衡
- It's too hot to concentrate on book. 热得不能集中心思看书。
- I must concentrate my energies on decorating today. 我今天必须集中精力搞装饰。
- Study on Gold Recovery from the Refractory Arsenic Sulphide Concentrate by Column Bio-leaching 含砷难浸金精矿柱浸生物氧化回收金
- I can't concentrate on my work when I'm tired. 我累了就无法集中精力工作。
- Study on Indium Leaching by Pressure-Oxidation from High-iron Zinc Sulphide Concentrate 高铁硫化锌精矿氧压浸出铟的研究
- Don't put me off when I'm trying to concentrate. 我正要集中注意力呢，别打搅我。
- We must concentrate our attention on efficiency. 我们必须把注意力集中在效率上。
- She couldn't concentrate on a book very long. 她不能长时间专心读一本书。
- Preparation of Needle ZnO Whiskers with Zinc Sulphide Concentrates 从硫化锌精矿直接制备氧化锌针状晶须
- I must concentrate upon my work now. 我现在必须集中精力工作。
- The Technology of Zinc Sulphide Concentrate in High-temperature and High-Pressure Leaching 硫化锌精矿高温高压浸出技术
- Experiment of making copper and nickel sulphate from nickel bearing copper sulphide concentrate 含镍硫化铜精矿制取铜和镍硫酸盐的试验研究
- Birds concentrate (in places) where food is abundant. 鸟聚集在食物丰盛的地方。
