Electric furnace is major equipment of zinc powder reduction smelting.

电炉是锌粉工艺进行还原熔炼的承载设备。

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Bronze Powder: an inert alloy of copper and tin providing a blend of properties that assists with the demands of the industry for wear and noise reduction.

青铜粉一铜和锡的惰性的合金提供混合物减少工业的磨损和降低噪声。

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The preparation of nanometer copper powder by chemical reduction combined with homogeneous precipitation method is studied.

研究了以化学还原法与均匀沉淀法相结合的方法制备纳米铜粉。

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Jeff Sessions championed a reduction in the sentencing disparity between people charged with possession of crack and powder cocaine.

CNN: GOP, time to rebrand in the image of the 'Great Emancipator'