The transformation from metakaolinite to inert phases was promoted by the combustion of coal content at air atmosphere, whereas was inhibited at carbon dioxide atmosphere.

空气气氛促进了偏高岭石向惰性产物的转变，而二氧化碳气氛则有助于抑制这种转变。

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Subject this whether coal gas stand administrative system, main content include system , system set up , daily business , inquire count , odd pieces of module of helping etc..

本课题是煤气站管理系统，主要内容包括系统、系统设置、日常业务、查询统计、帮助等几个模块。

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The test shows that size distribution of feeding coal, volatile content and its release as well as the total air rate and primary air ratio will influence the post combustion in CFB boiler.

测试结果表明，影响后燃现象的主要因素是给煤的粒度分布、煤挥发分含量及挥发分析出规律，同时与炉膛内总风量、一二次风量的配比有关。

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What it does have (and must have, as a starting point for the diamonds) is lots of coal: dirty, high-sulfur-content coal, which feeds 75% of the country's primary energy requirements.

FORBES: Hitting The Gas

This gas contains approximately 80% of the original energy content of the coal, and is a combination of hydrogen, carbon monoxide, carbon dioxide, and methane.

FORBES: Underground Coal Gasification: A Trend Worth Watching

The test will involve taking out coal samples and testing its gas content.

BBC: Meeting over Keynsham gas extraction plan by UK Methane