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What is superhard material?

Overview of Boron Nitride Boron nitride industrial powder is a pure white ceramic material with a hexagonal crystal structure similar to graphite. Boron nitride can withstand temperatures exceeding 2,000°C, and its dielectric strength…

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Preparation of bismuth oxide

Preparation of bismuth oxide A method for producing high-purity bismuth oxide from bismuth-containing materials. Firstly, the bismuth-containing material and the hydrochloric acid solution are leached, so that the bismuth in the bismuth-containing…

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