According to work practice of copper raw materials inspection and the research, analyze, summarize on unmoral raw material in recent years.
根据铜原料检验的工作实践，对近几年来进厂的异常原料进行研究、分析、总结。
BHP Billiton Ltd., the world’s largest mining company, led a retreat among raw-material companies, sinking 2.2 percent, as the price of copper headed for its largest decline in two weeks.
由于铜金属价格创下2周来最大跌幅，欧洲股市原材料板块下跌2.2%，全球最大的矿业企业必和必拓公司跌幅居前。
Shaped into pellets convenient for shipping, copper and tin ingots were the raw material for making the metal which defines the Bronze Age.
铜和锡锭是制作金属的原材料，它们被磨成小球型可以便于运输，而那个时代也因金属而得名。
Shenzhen Zen alluvial gold velvet with gold, silver and copper as raw material, the electric casting is hollow, some manufacturers use is resin embryoid body, process and value will vary.
深圳天禅绒沙金采用的是金银铜为原材料，电铸件是空心的，有些厂家采用的是树脂的胚体，工艺和价值都会有所不同。
Copper is an important raw material, which mainly has been produced by dry metallurgy at present.
铜是一种重要的原料，目前仍主要采用火法冶金方法生产。
Manufacture of ammonium sulfide, ethyl sulphur alcohol. raw material and semi - products in thiourea production. as floatation agent in copper ore.
是制造硫化铵及农药乙硫醇半成品的原料，采矿工业大量用于铜矿选矿。
From the view of the raw materials used for manufacturing DCB plate, the influence of copper foil and ceramic material on the properties of DCB is studied.
从原材料的角度，研究了制作DC B板所使用的铜箔和陶瓷材料对其性能的影响。
The barium hydroxide was produced by the reaction of raw material barium sulfide with the copper oxide in water.
以硫化钡为原料，在水溶液中与氧化铜反应，生成氢氧化钡。
Sintered metal pad consists of Copper over 50%-60% in whole raw material, and carbon, ceramic, tin, abrasives included in metal pad.
烧结的金属板包括铜超过50% - 60%在整个的陶瓷，原料，及碳锡，金属垫中包括的磨料。
High quality raw materials imported and domestic large-scale steel mill, main material: low carbon steel, stainless steel, titanium, titanium alloys, carbon steel, aluminum, copper and so on.
采用进口及国内大型钢厂优质原材料，主要材料有：钛、钛合金、不锈钢、中碳钢、低碳钢、铝、铜等。
By use of copper ash as raw material, a new method for direct production of cuprous chloride is introduced. The process conditions affecting on recovery of cuprous chloride are discussed.
介绍了以铜灰为原料直接生产氯化亚铜的方法，讨论了工艺条件对产品收率的影响。
By use of copper ash as raw material, a new method for direct production of cuprous chloride is introduced. The process conditions affecting on recovery of cuprous chloride are discussed.
介绍了以铜灰为原料直接生产氯化亚铜的方法，讨论了工艺条件对产品收率的影响。
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