The multiple raw material gas react on the surface of heated treating base plate (5) and form film.

由此在处理基板（5）的附近使 原料气体发生反应，在处理基板（5）上形成良好的结晶成膜。

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The ways of natural gas utilization-power generation, production of synthetic raw material gas, industrial fuel, vehicle fuel and city gas are analyzed.

分析了利用天然气的途径——发电、生产合成原料气、工业用燃料、汽车燃料、城镇燃气。

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The obtained high-quality phosphine has purity of 95%, and can be directly used as a fresh-keeping gas or a raw material gas for preparing high-purity yellow phosphorus by pyrolytic decomposition.

制得的优质磷烷，纯度可达95％，可直接 作为保鲜气使用或作为高温分解制取高纯黄磷的原料气；

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But with a global capacity glut in 2001 chemical prices softened, even as raw material costs like natural gas began a fivefold price increase.

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Natural gas prices, electricity prices, raw material prices, project financing costs and availability, emerging technologies and, hardest of all, politicians, who can make or break the industry with their decisions on government subsidies.

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On the West coast, Perth lies at the center of its vast natural gas and iron ore fields that are supplying China with much of the raw material for its factories.

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