该文以碳粉掺杂的聚合物为敏感膜，以叉指电极为基底制作了测定挥发性有机气体的化学阻抗传感器。

A chemiresistor sensor was fabricated for the analysis of volatile organic compounds(VOCs) with carbon black(CB)-polymer composite as sensing film and interdigital electrodes.

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现有的激光器使用的介质有，掺杂有稀土元素的晶体、特定比例的气体，甚至是某些特定半导体。

Existing lasers use media ranging from crystals doped with rare-earth elements to specific mixtures of gas and even certain sorts of semiconductors.

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多晶硅用钡掺杂并且在含有低于约0.5%的不溶于硅的气体的二氧化硅坩埚中熔化。

Polysilicon is doped with barium and melted in a silica crucible containing less than about 0.5 % gasses insoluble in silicon.

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