煤化程度

随着煤化程度增加，腐植酸量有明显减少的趋势。

It decreases sharply with increasing degree of coalification .

煤化程度越高，煤的各向电异性越明显。

Greater degree of coalification makes more obvious anisotropy .

不同煤岩显微组分富集物焦的CO2反应性均随煤化程度的提高而降低，且随原煤煤化程度的提高，二者的反应性差异减小。

The CO2-reactivity of both vitrinite-rich and inertinite-rich concentrates decrease with coal rank increasing , but the difference of CO2-reactivity between vitrinite and inertinite becomes smaller .

用x射线广角衍射原子分布函数方法测试了不同煤化程度煤的真密度，并与按常规方法（国家标准）测定的结果进行了对比。

The skeletal density of four kinds of coal in different rank is determined by atomic distribution function of wide angle x-ray diffraction spectrum ( WAXS ) and a common method using hydrometer .

煤气中H2含量随给煤量和煤化程度的升高以及流化风量和蒸汽量的减小而降低；

H_2 content in the gas will decrease with an increase in coal feed rate and gasification degree and also with a reduction in fluidized air flow rate and steam flow rate .

CH4含量随给煤量的增加而增加，随流化风量、蒸汽量和煤化程度的升高而降低。

CH_4 content will increase with an increase in coal feed rate , and will decrease with an increase in fluidized air flow rate , steam flow rate and gasification degree .

其相对吸附量Q或Qm、吸附平衡常数K及相对比表面积S∑或S∑~r的变化取决于煤化程度、煤中显微组分的类型和性质以及无机物质的含量和性质。

The relative adsorption content Q , Qm , adsorptional equilibrium constant K , and relative specific surface S ∑, S ∑ are dependent on coalification , microlithotypes , and macerals of coal , and the content and properties of inorganic materials in coal .

研究了不同条件下合成的水煤浆添加剂萘磺酸钠甲醛缩合物（NSF）与不同煤化程度煤的分子结构之间的匹配性能。

The matching performance between additive of Naphthalenesulfonic AcidFormaldehyde Condensate ( NSF ) for coal water slurry ( CWS ) and the molecular structure of different coals was studied .

结果表明：制浆时，不同煤化程度的煤对应的NSF具有不同的最佳缩合度值，添加木质素磺酸钠可有效地提高添加剂NSF的效能。

The results show that the optimal condensation degree of NSF varied with the coal ranks , and the function of NSF can be effectively improved by combining with lignosulfonate .

将合成出的NSF分别与不同煤化程度的煤样混合进行制浆实验，考察缩合度与煤分子结构的匹配性，以此来确定最佳缩合度值。

Mixing NSF with coals of different ranks , the matching performance between condensation degree of NSF and coal molecular structure was studied , and the optimal condensation degree was obtained .

不同煤化程度煤的可磨性指数变化和破碎特性

Experimental investigation in the grinding behavior and the comminuting character of coals of different rank

构造破坏煤的煤化程度及其瓦斯地质意义

The degree of coalification of the tectonic broken coal-bed and its significance in gas geology

煤中49种元素含量与煤岩组分和煤化程度的相关规律

Correlation of Coal Constituents and Coalification Degree versus Contents 49 Kinds of Elements in Coal of China

含铀、锗煤主要为煤化程度低的褐煤，属于半暗-半亮、暗-亮煤及亮-暗煤。

Uranium , germanium-bearing coals are mainly lignites of low grade incoalation and belong to semidurain , semiclarain .

这两种煤样的煤化程度较低，密度、强度低。

The density and strength of the two types of samples in the studied area are very low .

研究了14种不同煤化程度煤的性质与其型煤质量的关系。

The relationship between the properties of coals with different coalification degree and quality of their briquets were investigated .

不同煤种的镜质组的燃尽特性与其煤化程度有关；

The burn - out characteristics of the vitrinite group is related to the degree of its coal change ;

用热分析手段研究了不同煤化程度煤的氧化热解反应。

The thermal analysis was used to study the oxidation and thermal degradation reaction of coal with different oxidation degrees of coal .

使用可在加压下测定着火点的装置，研究了煤化程度、煤中矿物质和煤焦干馏温度对煤或煤焦的催化着火的影响。

The effects of coal rank , pyrolytic temperature of coal and mineral matter in coals or chars on their ignition temperature were determined .

随原始煤化程度的不同，子样二次热解峰温出现滞后、提前和固定的多程式变化。

According to the original coalification degree of the daughter samples , the peak temperature of secondary pyrolysis changed in different styles such as lag , advance and fixation .

煤化程度越高的煤导电性越好，且甲烷气体在煤中的电动效应越明显；

The higher the degree of coal metamorphism is , the better the conductivity of coal is and the clearer the electric effect of methane gas in coal is .

研究表明：煤的孔隙特征主要取决于煤化程度、显微煤岩组份、矿物质含量和断裂破坏强度。

It has been found that the pore characteristics of lump coal mainly depend on degree of coalification , types of macerals , content of inorganic matters and intensity of fissuring .

最后得出，凡煤化程度低、稳定组分高的褐煤，褐煤蜡含量一定是可观的。

The result obtained finally is that wherever the degree of coalification is lower and the content of stable components in lignite is higer , the content of lignitic wax is certainly considerable .

指出了层滑构造不仅使煤层厚度、煤层结构和煤体结构发生变化，而且使煤层的煤化程度提高、灰分增加。

Points out that the coal seam thickness , coal seam texture and coal mass structure are not only changed but also the degree of coalification is increased and the coal ash is added by bedding slip structure .

孔隙形态、结构参数的变化规律，反映了煤化程度增高的过程，也是煤体内微孔含量增大，大孔含量减少，孔隙定向性增大的过程。

The change law of pore morphology and structure parameters show the increase process of coalification degree , that is the process of micropore content in coal increased , the macropore content decreased and the pore directionality increased .

本文利用热重分析仪对不同生物质、两种不同煤化程度的煤及两者以不同比例混合的混合样品进行了气化实验研究。

In this paper , the gasification experiments of kinds of raw materials , including biomass samples , coal with different grade and the mixture samples with different blending ratio , were conducted in situ through thermal gravimetric analysis .

结果表明，对于煤的催化着火来说，煤化程度、煤焦干馏温度仍是影响煤或煤焦活性的重要因素，但是添加催化剂后，煤的活性顺序也发生了一定的变化；

Results were obtained as follows : the coal rank , pyrolytic temperature of coal has important influence on the catalytic ignition of coal , however , the order of coal reactivity , in terms of ignition temperature , changes when catalyst is added .

对煤炭本身的起尘特性，包括全水分含量、内水分含量和外水分含量，煤炭的煤化程度与润湿性关系以及煤块和煤粉的饱和水分含量特性，分别进行了详细深入的试验研究。

Furthermore characteristics of coal dust exposure , including total moisture content , free moisture content , inherent moisture content , relationships between the degree of coal carbonization and the wettability and the moisture saturation of coal lump and coal powder are studied in detail .

在此基础上，探讨了腐泥煤的煤化作用机理，研究了其煤化程度指标，提出了其煤级划分方案。

On the basis of this , the coalification mechanism of sapropelic coals is discussed , its rank parameters are studies and a rank classification suggested .