When used as a fuel, poultry litter has nearly half the calorific value of coal.
作为燃料使用时，养殖家禽的废弃物的热值几乎是煤炭的一半。
This paper introduces the characteristics, reserves, productivity, consumption and perspective of high calorific value gas fuel, and introduces the nature gas, the coal bed gas and the gas-hydrate.
介绍了天然气、煤层气和天然气水合物的开发状况。讨论了高热值气体燃料的特点、储量、 产量、消费量和前景。
Study on the laminar combustion characteristics of low calorific value gas fuel provide people with an overall understanding of the fuel combustion quality.
对低热值气体燃料层流燃烧特性的研究可对燃料的燃烧品质进行全面的了解，为其在发动机上的应用提供理论基础。
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