1) coal accumulation extent
聚煤程度
2) coal rank
煤化程度
1.
Paper research the effects of coal rank,atmosphere and temperature on the yield of pyrolysis products and the composition character of pyrolysis gas.
对大雁、协庄和昔阳 3个不同煤化程度的煤样 ,在 N2 ,CO2 和水蒸气 3种不同气氛及不同温度下进行了热解研究 ,考察了煤化程度、热解气氛和热解温度对煤热解产物产率和热解气性质的影响规律 。
2.
The results indicated that the values of H ar /H al and f a are relative to coal rank.
基于煤中芳香 -CH和脂肪 -CH的振动对红外光谱的吸收贡献 ,对我国煤化程度显著差异的 18种煤的红外光谱进行研究 ,确定了煤中的芳香 -CH和脂肪 -CH含量 ,获得了我国煤的结构参数 。
3.
The results show that: the functional groups in coal are the function of coal rank, and the yields of CO 2, H 2O and CO are related to the content of carboxyl, hydroxyl and other oxygen containing groups such as ether groups in coal, and Tar and CH 4 are related to the aliphatic CH, the char yields to the aromatic CH.
借助化学分析和FTIR光谱分析对我国煤化程度不同的18 种煤中官能团的研究表明:煤中官能团含量与煤化程度有关;煤中羧基、羟基及醚键等其他含氧官能团的含量与热解生成物CO2、H2O 和CO 的产率有关,脂肪—CH 的含量与甲烷和焦油的产率相关联,芳香—CH 的含量与热解半焦产率有关。
3) degree of coalification
煤化程度
1.
The degree of coalification of the tectonic broken coal-bed and its significance in gas geology;
构造破坏煤的煤化程度及其瓦斯地质意义
4) coal with different ranks
不同煤化程度煤
5) Coal Spontaneous Combustion Extent
煤自燃程度
1.
Basis Study on Determination Technology of Coal Spontaneous Combustion Extent Based on Signal Gases;
基于指标气体的煤自燃程度判定技术基础研究
6) degree of coal metamorphism
煤变质程度
补充资料:标准煤(见煤当量)
标准煤(见煤当量)
standard coal
、~‘~1人、4《1工兀飞coal)见煤当等
说明:补充资料仅用于学习参考,请勿用于其它任何用途。
参考词条