But most of them shows the desulfurization of SO 2 in oxygen free gas.

但大部分研究仅限于无氧尾气中SO2的脱除.

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The free gas in the lignite matrix is more than 50 percent of total gas.

实验表明,褐煤对甲烷的吸附能力很低;褐煤基质中的游离气含量通常占总气含量的50%以上.

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But most of them shows the desulfurization of SO _ 2 in oxygen free gas.

但大部分研究仅限于无氧尾气中SO_2的脱除.

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Compressional wave velocity based on Two - Phase theory is used to estimate hydrate and free gas saturation.

目前大多通过双相介质理论的纵波速度来估计水合物和游离气的饱和度.

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