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1·Both coal gangue and coal bed methane are low heating value fuels.

煤矸石和含甲烷量较低的煤层气均属于低热值的燃料。

2·Variations of the process enable production of high purity hydrogen, methanol, ammonia, methane or low heating value gas.

此过程的演变工艺可以生产高纯度氢气、甲醇、氨、甲烷或低热值气体。

3·As a result of low heating value and unsteady component, ignition and combustion of Municipal Solid Waste (MSW) are difficult using conventional methods.

我国城市垃圾有热值低、成分不稳定等特点，因而按常规方法不易点火和稳定燃烧。

4·The effects of equivalence ratio and volume fraction of oxygen on gas composition, carbon conversion and low heating value of fuel gas were investigated through a series of experiments.

实验主要考察了氧的当量比和氧体积分数对气化气组成、碳转化率和气体热值的影响。

5·The effects of equivalence ratio and volume fraction of oxygen on gas composition, carbon conversion and low heating value (LHV) of fuel gas were investigated through a series of experiments.

实验主要考察了氧的当量比和氧体积分数对气化气组成、碳转化率和气体热值的影响。

6·The coal gases came from two-stage gasification process and the exhaust gases containing combustible components from chemical and metallurgical industries are all low heating value (LHV) gas streams.

以两段法等制作的普通煤气及化工、 冶金企业中含可燃组分的废气等，都是低热值燃料。

7·The affecting factors of low value by activation energy determination include heating duration in low temperature stage, pureness of K feldspar and mixture of some plagioclase, quartz et al.

导致活化能取值偏低的影响因素包括低温阶段的加热时间、K-长石的纯度和部分斜长石、石英的混入等。

8·As a byproduct of crude refining process petroleum coke features a low ash content, moderate volatility and a high heating value.

石油焦是炼油工艺的副产品，具有低灰分、一定挥发份和高热值的特性。