The process may involve the use of molten sodium cyanide mixtures; pack carburizing with activated solid material such as charcoal or coke, gas or oil carburizing, and dry cyaniding.

工艺可能涉及到熔化的氰化钠混合物，带有活性固体物质如活性炭、焦炭等的固体渗碳，气体或油性渗碳剂，还有干法氰化。

The paper introduced the technics process conversion of sodium cyanide galvanization solution to potassium chloride solution. It expounded in technics, health, entironment, cost, etc.

本文介绍了将氰化钠镀锌溶液转换为氯化钾镀锌溶液的镀锌工艺过程，从工艺、健康、环保、成本等方面进行阐述。

The drop of global gold price results in the decrease of demand and the fall of price for sodium cyanide. However, the Chinese high grade flake product is still in demand at some regions.

国际金价下跌导致氰化钠需求下降，价格下挫，局部地区对中国高品级片状有一定的需求。

The paper takes the polluting accident treatment of sodium cyanide as a case, then puts forward the countermeasures of how to treat and monitor the abruptly environmental polluting accident.

以氰化钠污染事故的处置为例介绍了监测方法，对如何做好突发性环境污染事故的处置与监测提出对策。

COOH and -SH two polar groups in mercaptoacetic sodium acid have properties of strong reaction to sulphide ores. It is the most satisfactory agent for replacing sodium cyanide to suppress impurities.

巯基乙酸钠中两个极性基团一COOH及—SH具有同硫化矿强烈反应的特性，是代替氰化钠抑杂的理想药剂。