The effects of alloy elements (Zn, Ni) on the properties of copper-based brake materials were investigated.

通过对比研究了合金元素锌和镍对铜基粉末冶金刹车材料性能的影响规律。

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The hydrogenation efficiency, selectivity and life-time of copper-based catalysts have been improved after the modification of the catalysts.

铜催化剂改良后，提高了加氢效率、选择性和使用寿命。

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Hydrogenolysis of methyl formate to methanol was the rate-determining process and was mainly catalyzed by nickel-based or copper-based catalyst system.

甲酸甲酯氢解制甲醇这一步骤的难点在于环境友好的低温高活性铜基催化剂的研制。

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First to perfect copper-based chips, Motorola sat idly by while IBM announced its own copper process in 1997.

FORBES: Motorola inside

Also Intel indicates that they will have copper-based Thunderbolt with 20 Gbps native data rate available by 2014.

FORBES: Faster Cables and Your Cloud: Some Highlights from the 2013 Storage Visions and CES Conferences

Given these advantages, copper-based products, such as IV poles and light-switch covers, are increasingly being made to prevent the spread of disease in hospitals and other institutions.

WSJ: To Contagions, This Pen Is Deadlier Than the Sword