结果表明，碳钨化合物以纳米相存在于改性金刚石膜中。

The results show that tungsten carbide in the modified diamond films is nanophase.

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钨化合物以及钨基高比重合金由于特殊的理化性能而成为重要的功能材料。

Tungsten based compounds and alloys with high density have become more and more important for the functional materials due to their excellent physical and chemical properties.

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许多物质已被用来作为阳性造影剂：银，铋，铯，钍，锡，锆，钽，钨和稀土化合物已被使用造影剂。

A number of substances have been used as positive contrast agents: silver, bismuth, caesium, thorium, tin, zirconium, tantalum, tungsten and lanthanide compounds have been used as contrast agents.

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