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- Display the challenge of extracting of gold from ore. 展示如何从矿石中提炼出黄金。
- Mercury has always played an important role in the extraction of gold. 在提炼金子时，水银起到了相当重要的作用。
- Performances of direct extraction of gold from alkaline cyanide solution with guanidine hydrochloride were studied. 研究了盐酸胍直接从碱性氰化液中萃取金的性能。
- The experimental results on extraction of gold by heap leaching process from low-grade gold ore at very cold area in Xizang are introduced. 介绍了在西藏高寒地区采用堆浸工艺从低品位金矿石中提取金的试验结果。
- The factors of affecting extraction of gold were discussed,such as conditions of media,bacterial activity and aeration conditions. 探讨了介质条件、生物活性和充气条件等因素对浸金的影响。
- The advance in application and research of solvent extraction of gold in recent years is reviewed briefly in this paler. 对近年来金的溶剂萃取在生产应用和研究方面取得的进展进行了简要介绍。
- This paper studies the process of the extraction of gold by ammoniacal thiosulfate leaching from the roasted copperbearing sulphureous gold concentrate. 研究了硫代硫酸盐法从焙烧后的含铜硫金精矿中回收金的工艺过程。
- The thiourea/CIP process for gold extraction of a certain kind of gold flotation concentrate was investigated.The factors affected the process were studied. 针对辽宁某地区浮选金精矿采用硫脲碳浆工艺进行研究,并对各种影响因素进行了实验,提出了硫脲碳浆法处理浮选金精矿提金的工艺方案。
- A vein of gold was seen cropping out. 可以看见一条金矿矿脉露出地面。
- A useful trade is amine of gold. [谚]一技在身犹如金矿在手。
- Do you know what the ruling price of gold is? 你知道黄金的时价吗?
- He is a man with a heart of gold. 他是一位心地非常善良的人。
- LSSS is a new kind of nontoxic reagents for extraction of gold.This paper presents a brief review on the history, the properties, the principle and the applications of gold extraction by the LSSS. 石硫合剂是一种新的无毒提金溶剂，本文简要的介绍了石硫合剂的性质，提金原理及应用概况。
- He never refuses a request for help; he has a heart of gold. 他从不拒绝别人的求助，他是个好心肠的人。
- The refuse of sugar cane after extraction of the juice. 甘蔗渣在汁液被榨完以后剩下的甘蔗废料
- Robert never refuses a request for help; he has a heart of gold. 罗伯特从不拒绝别人的求助，他是个心地慈善的人。
- The pirates captured the ship and a ton of gold at a blow. 海盗们闪电般取了船和一吨黄金。
- Elaborate embroidery, especially when made of gold. 精制的刺绣品精制的刺绣品，特别是当用金子制作时
- The fluctuating value of gold and silver. 黄金和白银的起伏不定的价格
- The extraction of a root of a quantity. 开方，求一个数的方根
