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煤级

n.coal rank
网络Rank; grade of coal; rank of coal

煤级

英-汉网络释义

煤级

coal rank

石油英语词汇(C4) ... coal quality log 煤质测井 coal rank 煤级 coal seam 煤层 ...

Rank

...煤的这种转化阶段称为煤化程度,有时称为变质程度,或煤级(Rank).按煤化程度由低到高依次是:褐煤, 烟煤(长焰煤,气煤,肥煤,焦 …

grade of coal

石油地质专业英语词汇 - 豆丁网 ... gneissic 片麻状的 grade of coal 煤级 grance coal 光亮型煤 ...

rank of coal

（12）煤级(rank of coal)。表示煤化程度深浅的等级。

2

As coals increase in rank , oils become lighter eventually changing to gas .

当煤级增高，油即变得较轻，终于变成气。

3

and adsorption mechanism of the low coal rank is discussed .

探讨了低煤级煤的吸附机理。

4

and increased with the rising of coal rank .

随着煤级的升高而增大。

5

the gas volume adsorbed by the coals with different ranks is dependent on the adsorption force and energy of coal -coalbed methane system ;

煤 -煤层气吸附体系的吸附力和吸附能决定了不同煤级煤对不同气体吸附量的大小；

8

Quantitative Study of Organic Affinity of Elements in Low Rank Coals

低煤级煤中部分元素有机亲合性的定量研究

9

Adsorption capacity of different metamorphism coals and their residues

不同煤级煤及其萃余物吸附性能的研究

10

Distribution characteristics of micro-fracture of high rank coals in northern foot of Dabie Mountains

大别山北麓高煤级煤显微裂隙分布特征

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