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High purity potassium silver cyanide and potassium gold cyanide were prepared using air blasting cyanidation technique for the first time.

提出了以粗和粗银为原料制备银的超细或纳米粉末,用鼓氧氰化技术直接制备氰化亚钾和氰化银钾的的新方法。

Various technologies of cyanidation have been studied systematically for gold extraction from a low copper-containing ore.

首先研究了铜矿物类型对氰化浸出的影响,提出了氰化易溶铜的概念,结果表明,当浸出原料中氰化易溶铜含量大于0.1%时就不适于采用直接氰化法提

Cyanidation of gold enterprise; evaluation system for cleaner production; system of assessment index; AHP- fuzzy comprehensive evaluation model

根据氰化提企业的特点,以"污染预防"为主导思想,结合AHP-Fuzzy综合评价方法,在构建清洁生产评价指标体系的基础上,提出了氰化提企业清洁生产评价体系。

Using cyanidation method to leach gold from smelting slags .

采用氰化法提取冶炼尾渣中的,采用单因素和正交试验考察各因素对浸出的影响。

By using competitive adsorption of activated carbom to remove unfavorable influence of carbon in carbonaceous gold concentrate on leaching process, the leaching rate of gold concentrate can be improved to 88% as compared with 10%by direct cyanidation.

本文论述了利用活性炭竞争吸附作用,消除含炭精矿中炭在浸出过程中的影响,使精矿的浸出率可由直接氰化的10%提高到88%。

A new process for treatment of high-sulphur and high-arsenic gold concentrate was studied, with included the roasting at lower temperature with the addition of alkali fusion agent and the cyanidation leaching with the addition of active additive.

摘 要:研究富硫高砷精矿在加入碱熔剂经低温焙烧预处理后,再加活性添加剂条件下的氰化工艺,结果表明,的氰化浸出率从直接氰化或沸腾炉焙烧后的焙砂氰化的30%~50%提高到87%~93%,浸出速度也有很大提高。

"Cyanide process: or MacArthur-Forrest process, Method of extracting silver and gold from their ore s by dissolving them in a dilute solution of sodium cyanide or potassium cyanide."

氰化法:亦称麦克阿瑟-福莱斯特法,是将含和银的矿石溶解于氰化钠和氰化钾稀溶液中,以提取和银的一种方法。

"Cyanide process: or MacArthur-Forrest process, Method of extracting silver and gold from their ores by dissolving them in a dilute solution of sodium cyanide or potassium cyanide."

氰化法:亦称麦克阿瑟-福莱斯特法,是将含和银的矿石溶解于氰化钠和氰化钾稀溶液中,以提取和银的一种方法。

"Cyanide process: or MacArthur-Forrest process, Method of extract ing silver and gold from their ores by dissolving them in a dilute solution of sodium cyanide or potassium cyanide."

氰化法:亦称麦克阿瑟-福莱斯特法,是将含和银的矿石溶解于氰化钠和氰化钾稀溶液中,以提取和银的一种方法。

20 Bowls of gold valued at 1,000 dari cs, and two fine articles of polished bronze, as precious as gold.

27碗二十个,重一千达利克。上等光铜的器皿两个,宝贵如

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The basic concept of FOP can be summarized as to further optimize effective prescription according to the standard of curative effects and with the aid of modern science and technology and theories of traditional Chinese medicine.

其基本内涵可概括为:以确有疗效的中药复方为研究对象,以现代科学技术和传统中医药理论为技术支持,以该复方所治病证的药效响应为评价标准,以优化重组疗效更优的新复方为研究目的。

Ever since our world has been a world, native forests have been indiscriminately exploited by man.

自从我们的世界一直是世界原生森林被任意剥削人。

I don't… don't know. He's unconscious.

我不……我不知道他休克了。