查询词典 silver cyanide

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

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

Air blasting cyanidation technique was developed to prepare high purity potassium silver cyanide using raw silver or gold as a starting material.

采取金粉或银粉过量投料和控制浓缩水量，可以使反应后废液中的游离氰含量大大降低，有利于环境保护。

This method is suitable for the production of potassium silver cyanide in industry.

该方法丰富和发展了氰化亚金钾和氰化银钾的制备技术，并已经可以用于工业生产。

Technical characteristics and existing problems of cyanide-free silver plating technology were summarized through the analysis of cyanide-free silver plating systems of thiosulfate,succinimide,iodide,hydantoin,sulfite and others.

通过对硫代硫酸盐、丁二酰亚胺、碘化物、乙内酰脲、亚硫酸盐以及其它无氰镀银体系的分析，总结了当前无氰镀银工艺的技术特点及存在的问题，并阐述了无氰镀银技术的发展历程和研究现状。

Potassium silver cyanide and potassium gold cyanide, which stability constants are very large, were used as the starting materials for the preparation of silver and gold powders. Adjusting the concentration ratio of protective agent to reducing agent and other reaction conditions can control the size, shape and morphology of precious metals nanoparticles.

使用氰化亚金钾和氰化银钾等稳定常数很大的金和银配合物作为制备纳米金粉和银粉的前驱体，控制保护剂／还原剂的比例以及其它反应条件，可以有效地控制粒子的大小、形状以及粒子聚集体的形貌。

Properties : White crystallization or powder , proportion 1.735 , melting point is 287 ℃, apt to dissolve in water , ethanol and propanone , aqueous solution is neutral , turn into the blood red sulphur cyaniding iron with molysite , reactionless with inferior molysite, salt function turns into dark blue sulphur cobalt cyanide, turn into white sulphur silver precipitating or black sulphur copper cyanide cyanide to precipitate with the silver salt or copper salt function with cobalt.

白色结晶或粉末，比重 1.735 ，熔点 28 7 ℃，易溶于水、乙醇和丙酮，水溶液呈中性，与铁盐生成血红色的硫氰化铁，与亚铁盐则无反应，与钴盐作用生成深蓝色的硫氰化钴，与银盐或铜盐作用生成白色的硫氰化银沉淀或黑色的硫氰化铜沉淀。

Process development for the gold concentrate roasting- cyanide leaching in China;2. The feasibility study of extracting gold by liquid membrane techuique from the pulp of cyanide leaching ;3. Discussion on the cause of low silver leaching rate taken place in gold and silver cyanide leaching and ways to increase it

加强充气搅拌预氧化可将含金硫化矿在磨矿过程中产生的、对氰化浸出有害的难免离子氧化成对氰化浸出无害的离子，同时在磁黄铁矿和白铁矿颗粒表面生成Fe3薄膜，阻止了它们的进一步溶解，从而大大提高了金银的氰化浸出率。

The test results show that free cyanide, metallic cyanide complexes such as zinc cyanide, copper cyanide, iron cyanide, gold and silver cyanide can be well adsorped by D296r and D261 macro porous strong basic anion exchange resin.

结果表明，大孔强碱性阴离子交换树脂D296_R和D261都能有效地吸附简单氰化物和金、银、铜、锌、铁的氰络合物，热力学实验表明吸附等温线符合Freundlich方程，吸附过程属于优惠吸附。

Electroplating brightener series: E-cyanide silver plating of electroless plating brightener FB, FB auxiliary agents, cyanide Silver SK brightener, SB wetting agent, silver protection agents, tin brightener STB.

电镀光亮剂系列：电子化学镀氰化镀银光亮剂FB、FB辅助剂、氰化镀银SK光亮剂、SB润湿剂、银保护剂、镀锡光亮剂STB。

Second, silver, silver brightener, cyanide silver-plated brightener, cyanide plating silver, shining silver additives, silver brightener, functional plating thickness silver brightener, adornment plating thickness brightener, silver and silver additives, silver and silver prevent discoloration protective agent, LED dedicated silver plated cryoprotectants, rolling, 2000, ammat light nickel plating SUPER - 6 brightener, nickel plating nickel brightener rolling etc, high phosphorus and phosphorus chemical nickel environmental protect chemical nickel, low phosphorus chemical nickel or cyanogens environmental protection electroless plating silver.

二、银光剂、银光亮剂、镀银添加剂、镀银光剂、氰化镀银光亮剂、氰化物镀银光剂、光亮镀银添加剂、镀银光亮剂、功能性镀厚银光亮剂、装饰镀厚银光剂、半光亮镀银添加剂、银保护剂、银防变色剂、LED专用银保护剂，滚镀镍光剂、安美特SUPER-6号挂镀镍光亮剂、滚挂镀镍光亮剂等、高磷环保化学镍、中磷化保化学镍、低磷环保化学镍、无氰环保化学镀银。

But we don't care about Battlegrounds.

但我们并不在乎沙场中的显露。

Ah! don't mention it, the butcher's shop is a horror.

啊！不用提了。提到肉，真是糟透了。