1.
Determination of transmittance for low rank coal
GB/T2566-1995低煤阶煤的透光率测定方法
2.
Key Controlling Factors Comparison between High and Low Rank CBM Reservoir Formation;
高、低煤阶煤层气藏主控因素差异性对比研究
3.
The Research of Accumulation of Low Rand Coldbed Methane in the North-West of China;
中国西北低煤阶煤层气成藏地质特征研究
4.
Discussion on Criteria for Evaluation of Selected Target Areas in Prospecting CBM in Low Rank Coal in Xingjiang
新疆低煤阶煤层气勘探选区评价标准的探讨
5.
Geological Characteristics and New Development Progress of Low Rank Seam Coal Bed Methane in China
我国低煤阶煤层气地质特征及最新进展
6.
The new technology of high-concentration gasifying CWM from low rank coal
低阶煤制备高浓度气化水煤浆新技术
7.
Peat, the first stage in the formation of coal, is a low-rank material.
泥炭是煤形成的第一阶段，是一种低质煤。
8.
An Experimental Study on the Mechanism of Adsorption and Desorption of CBM on Low-rank Coal
低阶煤煤层气吸附与解吸机理实验研究
9.
～(13)C-NMR Research of Coalification Mechanism for Low-medium Rank Coal;
中低煤化作用阶级煤化作用机理的～（13）C-NMR研究
10.
THERMAL EXTRACTION BEHAVIOR OF LOW RANK COAL IN THE COAL DERIVED LIQUIDS
低阶煤在煤液化衍生油中的热萃取性能
11.
Study on the Reservoir Characteristics and the Exploration Potential of Low Rank Coal in the Western China;
中国西部低阶煤储层特征及其勘探潜力分析
12.
Relationship of CO Diffusion Quantity and Coal Maceral Contents in Low Rank Bituminous Coal
低阶烟煤中显微组分含量与CO扩散量的关系
13.
INFLUENCE OF SULPHONATED ACETONE-FORMALDEHYDE RESIN APPLIED AS DISPERSANT ON LOW RANK COAL-WATER SLURRY
脂肪族磺酸盐分散剂对低阶煤制浆性能的影响
14.
Improvement of Chemical Determination Method of Acidic Functional Group Containing Oxygen in Low Rank Coal
低阶煤中酸性含氧基团测定方法的改进
15.
Hot water treatment of low rank coal in high temperature and high pressure reactor and its slurry ability
低阶煤高温高压水热处理改性及其成浆特性
16.
With similar geology factors of controlling gas, the content of coalbed methane is controlled by effective stage of gas generation and the rate of gas generation in this stage.
在其它控气地质因素相似的前提下，有效生气阶段和有效阶段生气率控制着煤层含气量的高低。
17.
* High quality and low sulfur content coal, coal washing, and briquette
优质低硫煤、煤炭的洗
18.
hp and lp mixed economizer
高低压联合式省煤器