The diamond blade segments are made up of a mixture of diamonds and metal powders.

钻石刀片服务器领域是由一个钻石和金属粉末的混合物。

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Nanometer metal powders also have catalytic effects on the thermal decomposition of AP/HTPB solid propellant.

纳米金属粉对AP/HTPB推进剂的热分解同样具有一定的催化效果。

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Companies that buy these rare earths, including a few in Japan and the West, turn them into refined metal powders.

西方和一些日本公司买下这些提炼品，然后再把它们制成金属粉末。

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Mr Cassagnes saw the potential for the toy when he noticed, while working with metal powders, that marks in a coating of aluminium powder could be seen from the other side of a translucent plate.

BBC: Etch A Sketch inventor Andre Cassagnes dies at 86

At the EADS labs in Filton, U.K., researchers demonstrated that they can print out several different metal parts for airplanes with a technology that uses a laser to heat metal powders until they form solid metal shapes.

FORBES: GE and EADS Are Developing Processes to Print Airplane Parts

Among the materials found were a galvanized metal pipe, a fuse, coils of metal ribbon and several bags of chemical powders, it adds.

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