Common grounds of these fuels are high flame propagation speed, low calorific value and instability combustion.
富氢燃料气具有火焰传播速度快,热值低与燃烧不稳定等特性。
参考来源 - 适用于微小型燃气轮机富氢燃料的无焰燃烧技术The char from Zhaotong lignite have the high calorific value, about twice than the raw coal, and the ash of char is high (54%-57%), so it usually used as fuel.
昭通褐煤热解半焦发热量比褐煤的发热量约高一倍,但由于灰分含量(54%-57%),应用受到限制,一般只能做燃料。
参考来源 - 云南褐煤固体热载体法热解及其半焦燃烧特性的研究Following are the main aspects in the studies：1. Based on measurements of biomass and calorific value, we studied energy fixation and conversion of the communities in three above-mentioned subsystems.
本论文的研究工作主要包括以下几个方面：1．在生物量和热值测定的基础上，研究了上述3个子系统中植物群落的能量净固定量和太阳能转化效率，利用分室模型对群落能量的流动进行了稳定性分析。
参考来源 - 松嫩平原农牧交错带农、牧子系统能量与能值分析·2,447,543篇论文数据，部分数据来源于NoteExpress
N the quantity of heat produced by the complete combustion of a given mass of a fuel, usually expressed in joules per kilogram 发热值
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。
The fuels which are burned in the furnace are selected for their high calorific value, and give the maximum amount of heat.
要从发热值高的角度选择炉内燃烧的燃料，才能发出最大的热量。
It then had the calorific value of this baseline diet cut, in three monthly tranches, until it had been reduced by a total of 30%.
并以此为其进食的卡路里基准值，在三个月的时间内逐渐减少食物，直到减少到基准值的30%。
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