Adsorption experiments of low rank coal under equilibrium moistures;
低煤级煤平衡水条件下的吸附实验
Liquefaction property of low rank coal in west China
我国西部低煤级煤的液化性能
The low rank coal reservoirs in limnic basins of Jungaar and Tuha were researched.
研究了准噶尔、吐哈盆地低煤级煤储层的特征 ,结果表明 :该储层几何形态复杂 ,且受成煤环境的控制 ,表现出显著的规律性变化 。
This has provided an important clue for setting up a new development base of high rank coal seams in China.
本文介绍了贵州织纳煤田五轮山矿区的地质背景、煤储层特征以及煤层气资源与分布情况,通过初步调查发现,贵州织纳煤田五轮山矿区煤层气基本地质条件与晋城地区具有一定可比性,这为形成我国新的高煤级煤煤层气开发基地提供了重要线索。
Through X ray diffraction(XRD) analysis of high rank Carboniferous period coal located in the northern foreland basin of Dabie Orogenic Belt in the eastern China,the evolution character of XRD parameters of high rank coals and the effecting factors are studied.
通过对大别造山带前陆盆地石炭纪含煤岩系高煤级煤的X射线衍射分析 ,探讨了高煤级煤基本结构单元的演化特征及其影响因素。
Based on the analysis of the maturing degree,abundance and type of organic matter,the characteristics of organic matter of high-rank coal in Jincheng has been expounded.
通过对晋城高煤级煤的有机质成熟度、有机质丰度和有机类型的分析， 阐明了本区高煤级煤的有机质特征。
Based on the data from the proxina and ultimate analyses of vitrains in the high-rank coals from the West-northern Henan, their macromolocular structures and true density were calculated, the further exploration was made on the coalified pattern and geological causes.
依据工业分析和元素分析数据,利用统计结构方法,求得了豫西主要高煤级煤矿区太原组与山西组镜煤的大分子结构参数及真密度,并据此进一步分析了有机元素及结构参数的煤化作用规律及其地质原因。
Through electron paramagnetic resonance(EPR) analysis of high-rank coal samples from the Carboniferous coal located in the northern foreland basin of Dabie orogenic belt in the eastern China,the evolution characteristics of aromatic structures of coals of different metamorphism types and the effecting factors are studied.
通过对大别造山带前陆盆地石炭纪含煤岩系高煤级煤的电子顺磁共振分析,探讨了不同变质类型煤的芳香结构演化特征及其影响因素。
Preliminary Study on Low-rank Coal Reservoirs and Coalbed Methane Pool Forming in Zhungaer Basin, NW China;
准噶尔盆地低煤级煤储层及煤层气成藏初步研究
Evolution Kinetics of Hydrogen Generation from Low Rank Coal Pyrolysis and Its Relation to the First Coalification Jump
低煤级煤热解H_2生成动力学及其与第一次煤化作用跃变的关系
Mechanism of uranyl ion adsorbing and complexing onto low-rank coal and ore-forming process of uranium associated coal measures
低煤级煤与UO_2~(2+)的吸附络合及亲煤型铀矿成矿过程
The Foundational Research on Water Infusion for Longwall Top Coal Caving Face in Para-Anthracite Seam;
低级无烟煤综放工作面煤层注水基础研究
～(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
* High quality and low sulfur content coal, coal washing, and briquette
优质低硫煤、煤炭的洗
CBM development potential of high rank coal with reference to Qinshui coal field,Shanxi
高煤级煤的煤层气开发潜力——以沁水煤田为例
Developing Green High Performance Concrete with Low Grade Fly Ash;
用低等级粉煤灰开发绿色高性能混凝土
Concrete Batching with a Large Proportion of Alkali-activated Low Grade Fly Ash
大掺量碱激发低等级粉煤灰混凝土的配制
Classification for quality of coal--Classification for calorific value of coal
GB/T15224.3-1994煤炭质量分级煤炭发热量分级
Discussion on strengthening steam coal management and reducing calorific value differentials between factory-incoming coal and furnace-incoming coal
加强燃煤管理 降低进厂煤与入炉煤热值差
Theory and practice of integrated pillarless coal production and methane extraction in multiseams of low permeability
低透气性煤层群无煤柱煤气共采理论与实践
Coal slurries were found to exhibit a wide spectrum of flow behavior ranging from Newtonian at low concentrations to shear-thinning and pseudoplastic with a yield stress at higher concentrations.
利用双峰级配理论，将粗颗粒煤粉加入细颗粒中可降低煤浆体系的黏度。
Determination of transmittance for low rank coal
GB/T2566-1995低煤阶煤的透光率测定方法
Measurement on reducing impurity content in export coal in Datong Coal Group;
同煤集团降低出口煤杂物含量的措施
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
Research and Numerical Simulation on Staged Combustion to Reduce NOx Exhaust of 400t/h Tangential Firing Boiler;
400t/h四角切圆煤粉炉分级燃烧技术降低NOx排放的研究与数值模拟
Numerical Simulation of Redusing NO_X Emission in Vertical Staged Horizontal Bias Combustion Burner;
垂直分级水平浓淡煤粉燃烧器降低NO_X排放的数值模拟