cyanide process

1. When a method called the cyanide process was invented, men made fortunes buying dumps of rock abandoned as commercially worthless and putting them through the new method.
   当一种名为氯化工艺的方法问世之后，人们通过购买一堆没有任何商业价值的矿石，然后利用这种新方法进行提炼，同样可以赚得盆满钵盈。
2. The present utilize condition of pyrite slag and the affect factors to the cyanide process to reclaim gold and silver were reviewed.
   综述了黄铁矿烧渣的利用现状以及氰化法回收烧渣中金银的影响因素。
3. Recovery of silver from silver manganite with chloride roasting cyanide leaching process are studied. The effects of sodium chloride addition, particle size of ore sample, roasting time, roasting temperature on recovery rare of silver are examined.
   研究了以氯化焙烧-氰化浸出工艺从银锰矿中回收银，考察了氯化钠加入量、矿石粒度、焙烧时间、焙烧温度对银浸出率的影响。
4. Pressure cyanide leaching process is a new technique in precious metal hydrometallurgical field, which can promote the leach reaction kinetics and obtain higher metal recovery by treating refractory ore.
   加压氰化过程通过强化反应动力学，可实现难浸金属的高效浸出，在贵金属湿法提取冶金领域是一新兴技术。
5. Hydrometallurgical Pressure Cyanide Leaching Process for Treating Low-Grade Pt-Pd Flotation Concentrates
   加压氰化全湿法处理低品位铂钯浮选精矿工艺研究
6. Leaching gold from ore by the bromination method is a new method in stead of cyanide process.
   用溴化法浸取金矿中的金是一种较新的非氰化浸金方法。
7. Ferrous cyanide process was applied to treating cyanide in washing wastewater of blast furnace gas by means of orthogonal experiment design.
   采用亚铁法处理高炉煤气洗涤水，并用正交实验设计方法设计实验。
8. This paper makes use the original system of pretreating refractory ore by hot-press oxidation to extract gold by cyanide process.
   通过试验研究，提出了利用难处理矿石的热压氧化预处理的原有体系直接进行氰化提金的新工艺。
9. Production practice of gold leaching in all sliming cyanide carbon-in-pulp process at low temperature
   低温条件下全泥氰化炭浆浸金工艺的生产实践
10. Advanced bulk slime cyanide carbon-in-leach process is adopted in the gold extraction.
    提金工艺采用先进的全泥氰化炭浸法；
11. Functions of calcium oxide on gold extraction by cyanide process
    氧化钙在氰化物提金中的作用
12. Cyanide Removal from Washing Wastewater of Blast Furnace Gas by Ferrous Cyanide Process
    亚铁法处理大型高炉煤气洗涤水中氰化物的实验研究
13. Recovery of gold from residues of hot-press acid leaching of Copper-bearing gold concentrate by ammoniacal cyanide process
    氨氰法从铜金精矿热压酸浸渣中提金工艺研究
14. Gold leaching of copper-bearing gold ore by ammoniacal cyanide process and its industrial practice
    氨氰法从含铜金矿石中提金研究与工业实践
15. On the basis of testing results of gold leaching from lateritic gold ores in Hubei by cyanide process and chlorination process, this paper discusses the advantages and disadvantages of two leaching methods above as well as rational selection of leaching agent for lateritic gold ore.
    根据氰化法和水氯化法对湖北省红土型金矿石浸金试验结果，论证红土型金矿石浸出剂的合理选择，兼评二者长短。
16. In this PaPer, the gold leaching from complex sulfide-bearing gold concentrate by cyanide process was studied systematically.
    本文对某含多金属硫化物型金精矿氰化浸金工艺进行了系统研究。
17. The detailed investigation has shown that although gold concentrate powders have a higher proportion of liberated or exposed gold particles, the results obtained by direct leaching them using conventional cyanide process are not very satisfactory.
    某些金精粉中单体金和裸露金所占比例虽然较高，但采用常规氰化法直接浸取时，金的浸出率仍然很低。
18. PH value is a key parameter during cyanide leaching process.
    在氰化浸出过程中，pH值是关键的技术参数。
19. Roasting and Cyanide Leaching Process Study on As, Sb and C Content Refractory Gold Concentrate
    含砷、锑、碳难处理金精矿焙烧氰化提金工艺研究
20. Extraction Spectrophotometry of silver in cyanide leaching process of gold
    氰化浸金过程银的萃取减色光度测定
21. Bacterial Oxidation and Cyanide Leaching Process of Gold Concentrate Containing Arsenic and Sulphur
    高硫高砷金精矿细菌氧化-氰化浸金试验研究
22. Improvement of the cyanide leaching process of the residue of gold ( silver) containing
    分金（银）渣氰化工艺的改进
23. The improvement of gold recovery from gossan type gold ores by cyanide process
    铁帽型金矿氰化提金生产过程中提高回收率的措施
24. A cyanide free process for gold imitation plating on plastic surface was advanced with pyrophosphate as complexing agent.
    采用焦磷酸盐为络合剂研究出一种塑料无氰仿金电镀工艺。
25. The use of partial acidation method in cyanide process with zero discharge
    半酸化法在氰化零排放工艺中的应用
26. It especially investigated the supplement role of some ammonium salts and their consumption for cyanide leaching of gold. ( 3) The experiment shows that, due to the presence of dissolubility copper in the ore, gold leaching has been restarted in the cyanide process.
    试验数据表明，由于矿石中可溶性铜的存在，金在氰化过程中受到了较大的影响。
27. And the test results showed that the quality was the same as the gold plating layer prepared by the cyanide process.
    对无氰工艺制得的镀金层进行品质测试并与有氰工艺镀金层作比较，结果表明，二者品质相当。

noun

1. an industrial process for extracting gold and silver by treating ore with a sodium cyanide solution