To improve the quality of Ta Spinnerets with high hardness and alkali-proof corrosion, HFCVD is used to deposit crystalline diamond films with different sizes of grain on carbonized Ta spinnerets.

为改善钽喷丝头的品质，提高其硬度和耐碱腐蚀能力，利用热丝CVD制备不同粒径的金刚石薄膜，并通过对钽衬底的碳化处理，成功使之沉积于纯钽喷丝头表面，对纯钽喷丝头进行表面强化。

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A new electroless silver plating process for diamond was pressented with improvements on deposit adhesion and anti-tarnishing of silver deposit.

经粗化处理，可以提高镀层结合力，而又不影响镀层光泽。

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The results showed that the nicked deposit could obviously increase the thermostability, compression strength and oxidation resistance of diamond.

结果表明， 化学镀镍层能显著提高金刚石的热稳定性和抗氧化温度。

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The diamond-encrusted disc symbolizes the natural abundance of the Bunder diamond deposit.

FORBES: Connect

You would have a menu of sound investment choices-mutual funds, government bonds, bank certificates of deposit-but you could not speculate in Siberian diamond mines.

FORBES: Fact and Comment