主要讨论的是煤炭燃烧前脱硫方法的研究，包括煤炭的物理法脱硫、化学法脱硫和生物法脱硫工艺研究。
Host combustion desulfurization is including the physical, chemical and biological methods. The physical method was introduced as main part in this paper.
利用气相色谱及化学分析法，对生物柴油的燃烧特性进行了分析。
Through the price accounting of chemical materials, the economic feasibility of the synthesis way from rapeseed oil or acidic oil was discussed.
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