1) coal characteristics
煤质因素
1.
Analysis of coal characteristics on the properties of coal water slurry preparation with different coal ranks;
煤质因素对水煤浆性质的影响
2) factor for coal metamorphism
煤变质因素
3) coal bed gas geological factors
煤层气地质因素
4) factors affecting coalbed methane
煤层地质因素
5) Seam factors
煤层因素
6) coal-controlled structure
控煤因素
1.
From such views as strata sedimentary sequence,structural characteristic and its evolution history as well as coal-controlled structure,the coal measures sediment and coal-accumulating principles in Xichuan reconnaissance area of Xunyi-Yaoxian mining area is analyzed detailed particularly.
本文从地层沉积序列、构造特征及演变史和控煤因素等方面,详细分析了旬耀矿区西川普查区煤系沉积与聚煤规律。
补充资料：非密度制约因素(见密度制约因素)
非密度制约因素(见密度制约因素)
l焦非密度制约因素见生态因素、密度制约后
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