The primary combustion of deficient oxygen solid propellant is non equilibrium because of its own physical and chemical processes.

贫氧推进剂一次燃烧的物理和化学动力学因素决定了其一次燃烧为非平衡燃烧。

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Coal is an important energy in China, coal combustion is the primary source of pollutions which cause great destructions to the ecological environment.

煤在我国是一种重要的能源，煤的燃烧是造成我国生态环境破坏的最大污染源。

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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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