The abrasion wear mechanism of Mn copper-nickel alloy matrix-cast chromium carbide composite was studied.

研究了真空熔铸法制备的锰白铜基铸造碳化铬复合材料的二体磨料磨损机理。

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The technology of copper-nickel alloy oxygen selective leaching has been used in industrial production in JinChuan Company.

本课题研究了铜镍合金纯氧选择性浸出过程中的热力学的影响因素。

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Common varieties are brass, copper, aluminum, low carbon steel, stainless steel, monel alloy, silver and nickel.

常用品种有黄铜、紫铜、铝、低碳钢、不锈钢、蒙乃尔合金、银、镍等。

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The coins are currently made from the nickel and copper alloy cupro-nickel.

BBC: Treasury 'should foot coin change bill'

The use of maillechort, a tarnish-resistant, creamily beautiful but easily marred alloy of copper, zinc and nickel, sometimes also called "German silver, " for the plates and bridges is a case in point.

FORBES: It's About Time

The Treasury plans to make the new coins from nickel-plated steel instead of the alloy, which has become more expensive as the price of copper has risen in recent years.

BBC: Treasury 'should foot coin change bill'