氰化

This paper selects hydrogen chloride and hydrogen cyanide as the study objects , which are the primary fire toxic effluents .

，探讨了温度，氰化氢浓度，空气含量及气体空速等因素对脱除氰化氢的影响。

A technology for leaching gold from a refractory gold concentrate using Mesophile preoxidizing-cyanide leaching was presented.

对安徽某难处理金精矿进行了中温菌预氧化氰化浸金试验研究，并与传统焙烧氰化浸金工艺进行了对比。

It has reached international advanced technical level and is the ideal material to substitute for the virulent Gold Potassium Cyanide.

公司生产的无氰金盐（亚硫酸金钠，也称无毒金盐），是经过专家多年的研究开发才获得成功的一种具有高科技含量的镀金新产品，技术达到国际领先水平，是替代氰化电镀工艺中氰化金钾等含氰有毒金盐的理想材料。

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。

Based on the geography position of the place and the characteristics of certain gold oxide ore, if we adobt the craft of the conventional leaching,after a 16 hours leaching,the rate of leaching can attain 95%, the sodium cyanide is consumed for the 2.03 kg/t.

在当前的氰化提金中，加快金的概化浸出和降低氰化钠的消耗是影响氰化工艺技术和经济效果的两大因素ll。

Corrosion rate of non-cyanide cadmium coatings is similar to cyanided ones. It is considered that non-cyanide cadmium coatings can be used for four types of cli- mates instead of cyanide coatings in case of some conditions.

无氰镀镉层的腐蚀速率与氰化镀镉接近，可以认为在一定条件下无氰镀镉能够代替氰化镀镉工艺用于上述4种典型的大气环境的腐蚀防护。

Adopting this craft to produce the inferior gold potassium of cyaniding,it is reliable that the craft is simple,the production process is easy to control,but the dependence on raw materials of quality of the products is strong.

其中氰化亚金具有极大的现实意义：一方面，钠、钾、钙的金氰络盐是易溶化合物，它们可以通过在空气中氧的参与下溶于相应的氰化物中而制得，这是氰化法从矿石中提金的基础；另一方面，金的氰化物在高科技领域中的应用日益广泛。

Cyaniding Cyaniding, or liquid carbonitriding as it is sometimes called, is also a process that combines the absorption of carbon and nitrogen to obtain surface hardness in low-carbon steels that do not respond to ordinary heat treatment.

氰化 氰化，有时称为液体碳氮共渗，也是一种结合了吸收碳和氮来获得表面硬度的工艺，它主要用于不适合通常热处理的低碳钢。

Straight taking over the use of the carbon thick liquid craft cyaniding leaching,the gold leaching rate is 60%.

矿物中铜含量较高，用碳浆工艺直接氰化浸出金时，其氰化浸出率为60%。铜成为干扰金浸出的主要干扰元素。

Cyaniding, or liquid carbonitriding as it is sometimes called, is also a process that combines the absorption of carbon and nitrogen to obtain surface hardness in low-carbon steels that do not respond to ordinary heat treatment.

氰化氰化，或液体碳氮共渗，因为它有时被称为，也是一个过程，结合吸收碳和氮获得表面硬度低碳钢不回应普通热处理。

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。