氰化物

Under the condition of weak base, chlorine dioxide can oxidize cyanide into no poisonous cyanate, carbon dioxide and nitrogen.

在弱碱性条件下，二氧化氯消毒剂将氰化物氧化成无毒的氰酸盐、二氧化碳和氮气。

The recovery of cyanide and copper from waste effluents of the cyanidation process in gold extraction is important environmentally and economically.

从提金废液中回收氰化物和金属铜一直具有重要的经济价值和环保意义。

The paper discussed release possibility of toxic and harmful elements during gold mining.It presented the major envi-ronmental problems that are cyanidation setups and Acid Mine drainage during gold mining.

本文主要对金矿开采中有毒有害元素的释放进行了探讨，明确了在金矿开采过程中主要的环境问题是氰化物堆浸和酸性矿坑排水问题。

The process by which cyanide solution, added to ore, dissolves and removes gold from the ore into the solution.

加到矿石上的氰化物溶液把黄金从矿石中溶解出来使之进入溶液中。

Furthermore, this paper explored a new feasible process of cyanide recovery,investigated the effect of time, concentration of H2SO4 and temperature on the elution of cyanide and zinc in the process of first stage elution, and discussed the effect of time,concentration of ammonia water, temperature and ultrasonic on the elution of copper in the second stage elution.

另外，本实验探索出一种可行的回收氰化物新工艺，在硫酸解吸过程中，研究了硫酸解吸的时间、浓度和温度因素对氰和锌的解吸率的影响；在氨水解吸实验中探讨了时间、温度、浓度、超声波等因素对铜解吸率的影响。

Conventional alkaline cyanide zinc plating process was compulsively restricted for its emission of toxic and hurtful substances and harm to the environment and human being.

原有的碱性氰化物镀锌工艺存在有毒有害物质排放及对人体的伤害，被国家强制限制。

Based on electroplating theory, several common complex agents and additives are screened and analyzed, and the method for converting cyanide zinc plating process to cyanide-free zinc plating process is discussed. The throwing power, covering power and corrosion resistance have been tested for verifying the conversion effects.

本研究以电镀理论为依据，对现有几种常用配位剂和添加剂进行筛选和分析，探讨将氰化物镀锌工艺向无氰化转化的方法。

Objective: To select a simple, rapid and sensitive method to detect cyanide in water.

目的：建立一种简便、快速、高灵敏度的测定水中氰化物的方法。

The test results show that the recovery of cyanide from waste water is over 95%.

试验结果表明废水中氰化物的回收率达95％以上。

To study a new simple,rapid and accurate method of determining trace cyanide in foodstuff and water.

研究一种操作简单、快速、准确性高的测定食品和水中氰化物的方法。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。