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铬生产
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  chromium production
     In view of the characteristics of metallic chromium production,according to the analyses of the resource of silicon in metallic chromium,the method is put forward to reduce the content of silicon impurity in leach residue,and the measures are also proposed to change the material of calcination kiln lining and control reasonable heat supply.
     通过对铝热法金属铬硅含量来源的分析,针对金属铬生产的特点,提出了降低浸出液中杂质硅含量的工艺方法,改变氢氧化铬煅烧窑窑衬材质及控制合理的冶炼配热量等措施。
短句来源
  “铬生产”译为未确定词的双语例句
     EXPERIENCES OF ELIMINATING ENVIRONMENT POLLUTION FROM CHROMIUM METAL MANUFACTURING PROCESS
     在金属铬生产中消除环境污染的经验——氢氧化铬工艺改造
短句来源
     REEXPOUNDING CHINA METALLIC CHROMIUMPRODUCTION AND NEW PROCESS
     再论我国金属铬生产与采用新工艺
短句来源
     CONTROLLING SILICON CONTENT IN PRODUCING METAL CHROMIUM
     金属铬生产中元素硅的控制
短句来源
     NEW PROGRESSES MADE IN CHROMIUM METAL PRODUCTION IN CHINA AND TRYING HARD DIRECTION AHEAD
     我国金属铬生产的新进展和今后努力方向
短句来源
     WASTE CONTROL IN METAL CHROME PRODUC TION
     金属铬生产中的“三废”治理
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  相似匹配句对
     Production of Cast Irons with Chromium Addition
     加铸铁的生产
短句来源
     Practical Production of Grinding Ball of Low Cr Cast Iron
     低铸铁磨球的生产实践
短句来源
     B. manufacture and produce;
     B.生产加工;
短句来源
     affecting production;
     影响生产
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  chromium production
This growth accounted for China's having become the destination of most growth in world chromium production.
      


This paper discusses the technigue of making the chromic colour from chromic with a valence of six as a carcinogen formed during electrochemical machining of chromium steel with NaNO3 electrolyte.

在对铬钢进行电解加工过程中,会生成致癌物质六价铬,严重威胁操作人员的安全。本文即讨论利用以Na NO_3电解液对六价铬生产铬黄的工艺。

In this paper, the method of "liquid-polishing before and ofter piston ring chromium-plating" is described. The former supersedes the "acid and alkali treating" which used to be made before chromium-plating, and the later super- sedes the porous treatment by etching which not only may simplify the chr- omium-plating process, purify the chromium-plating solution, promote the productivity, but also considerably decrease the harmfulness of "three wastes". which is of significance to environmenal protection. In...

In this paper, the method of "liquid-polishing before and ofter piston ring chromium-plating" is described. The former supersedes the "acid and alkali treating" which used to be made before chromium-plating, and the later super- sedes the porous treatment by etching which not only may simplify the chr- omium-plating process, purify the chromium-plating solution, promote the productivity, but also considerably decrease the harmfulness of "three wastes". which is of significance to environmenal protection. In addition. it can also increase the wear-ablity, the combined effort between the chromium-plating layer and matrix,the fatigue strength and enhance the service life of the piston ring. This is the reason that when piston ring is polished. the pressure stress gets on the surface of the piston ring to be plated by liquid spurting.

本文介绍了活塞环在镀硬铬生产过程中,用“液体抛光”法取代镀前通常沿用的酸、碱处理和镀后刻蚀松孔处理,使得镀铬工艺流程大为简化。净化镀液,提高生产率,大大减少了“三废”的危害性,对搞好环保具有重要意义,同时,由于环被镀表面受到液体抛光时压力的喷射。表面产生压应力,从而提高了活塞环的耐磨性和镀层与基体的结合力,以及疲劳强度,延长了环的使用寿命.

The high-carbon ferrochrome technology using leached chrome-residues in a 12500kVA enclosed smelting furnace is described.Qualified product was obtained by this way without marked influence on its technical- economic idex.This process resolved the problem of evironment pollution with Cr~(+8)contained residues ia chrome-metal production.

本文介绍了12500kVA 密闭电炉采用铬浸出尾渣冶炼炭素铬铁工艺。在对主要经济技术指标影响不大的前题下,用此工艺生产出了合格的炭素铬铁。为解决金属铬生产中浸出尾渣六价铬对环境的污染提出了一个先进的工艺方法。

 
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