1) low metamorphic coal
低变质程度煤
1.
Research to improve slurry performance of low metamorphic coal;
提高低变质程度煤成浆性能的研究
2) degree of coal metamorphism
煤变质程度
3) low metamorphic coals
低变质煤
1.
The low metamorphic coals are abundant in North Shannxi.
陕北地区低变质煤资源丰富,产量较大。
4) different ranks of coal
不同变质程度煤
1.
Combustion characteristics of three different ranks of coals (lignite, bituminous coal, and anthracite), two biomass materials(wheat straw and maize cob), and coal-biomass mixture were studied by using the TG/DTG/DTA technique.
采用TG/DTG/DTA技术研究了不同变质程度煤(褐煤、烟煤和无烟煤)、生物质(小麦秸秆和玉米芯)以及煤和不同比例生物质的混合燃料的燃烧特性,升温速率为15℃/min,温度范围为25～900℃。
5) Metamorphic degree of seam
煤层变质程度
补充资料：煤的变质作用(见成煤过程)
煤的变质作用(见成煤过程)
metamorphism of coal
mel由玩anzhi zuoyong煤的变质作用(metamorPhism。f coal)‘见成煤过程。
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