煤的变质程度低，灰分高。
含灰量低的中等变质程度的煤氧化活性最高；
结果表明，随着煤的变质程度增高，含氧官能团减少。
The result shows that the oxygenic groups decrease with the increase of coal ranks.
煤岩组分和煤变质程度是影响煤层生储气能力的主控因素。
Research shows that maceral and the degree of metamorphism of coal rock are key factors that control the generating and storing capacity of coal rock.
据此提出了根据煤变质程度进行内生矿床成矿预测的新思路。
A new thought is proposed to forecast mineralization of endogenetic deposits based on metamorphic grade of coal.
对于煤层结构复杂、变质程度较高的煤类，定性分类较为复杂。
As to the coal seams with complex texture and higher degree of metamorphism, the qualitative division of coal species is more complex.
探讨了煤的变质程度、粘结剂和成型条件对颗粒间作用力的影响。
The metamorphic degree of coal, the binder and the briquetting conditions that affect the acting forces were also studied.
本试验的目的是研究不同变质程度的煤在惰性气氛中的非等温热解。
In this paper the pyrolysis of coals with different metamorphism is performed under inert gas ambience in a non-isothermal reactor.
研究了6种水煤浆分散剂在14种不同变质程度煤上的吸附作用特征。
The adsorption characteristics of 6 CWS dispersants on 14 coals surface were studied.
随着煤变质程度的升高，煤层夹矸中高岭石的结晶度、有序度也随之升高。
With the rise of the coal rank, the crystallinity of kaolinite and its order in the anthracite bed go up.
华北晚古生代煤具有中部和南部变质程度较高而南部边缘和北部低的特点。
In north China, the late Paleozoic coal was metamorphosed mainly to middle and high ranking in the central and southern belts, but only to low, ranking in the northern belt and southern margin.
结果表明，低变质程度和高灰煤浆多呈屈服假塑性，煤的性质起主导作用；
The results show that the CWS rheology of low rank or high ash coal is mainly due to the physical and chemical properties as well as surface structure characteristics of coal.
除了变质程度以外，原岩的类型和碳的原始物质的种类也会影响碳的石墨化作用。
Besides metamorphic grade, the nature of original rocks and the precursor of carbonaceous material may also influence graphitization.
计算结果表明，吸附热与煤的变质程度有关，特别是与煤的挥发分成线性负相关。
The results indicate that absorption energy is related with coal rank, especially with volatile matter form a linear relation.
据100多口井水质分析，川东地区石炭系地层水具有浓度高、正变质程度深的特点。
According to the analysis of water quality of more than 100 Wells, the formation water of the Carboniferous in east Sichuan possesses high density and high direct metamorphic degree.
这些聚合物在那些生物胺的水平升高时颜色发生了改变，对食物的变质程度作出了指示。
The polymers change color in the presence of increasing levels of these biogenic amines to indicate degrees of food spoilage.
阐述了采用不同成型工艺和使用不同变质程度煤成型时，原料煤粒度对型煤强度的影响。
The effect of feed coal particle size on strength of briquette is discussed when different briquetting process and rank of coalification coal are adopted.
当采用不同的电化学法还原处理后，不同变质程度煤的含氧官能团也都有不同程度的减少。
While after being treated with electronic method, the content of oxygenic groups of all ranks of coal decreases in a certain extent.
介绍了高温反应炉的特性，并用三种不同变质程度的单种煤所炼得的焦炭进行了初步的应用。
The features of a high temperature reactive furnace are described. The cokes made from each metamorphic coal of three different kinds of coals with different meta-morphic degrees are applied trially.
在走向上煤的变质程度由南向北逐渐增高，在倾向上煤层随赋存深度的增大变质程度逐渐增高。
Degree of metamorphism steps up along the strike from south to north, whereas steps up along the dip in company with depth.
攀枝花-西昌（攀西）麻粒岩一直被认为是扬子陆块西缘变质程度最高和最古老的结晶基底岩石。
The Panxi (Panzhihua-Xichang) granulites have long been recognized as the oldest rock of the crystalline basement with the highest metamorphic grade on the western margin of the Yangtze Block.
造成这种煤的变质程度升高而夹矸成分转化的主要原因是区域变质作用及周围介质条件影响所致。
The main reason for the rise of the coal rank and its composition transformation is the process of regional metamorphism and the influence of medium conditions around it.
这些结果表明，残炭颗粒的形态结构特征不仅依赖于煤的显微组分组成，而且也依赖于煤的变质程度。
The results indicate that the morphology and structure of char particles are dependent not only on maceral composition but also on coal rank.
选用两种不同类型的分散剂，考察了11种不同变质程度煤在高浓度煤浆制备过程中的浆体抗搅拌性能。
The stir-resisting properties of coal water slurries during their preparations were investigated in detail with 11 Chinese coals and two types of dispersants.
经等密度梯度离心分离，从褐煤、长焰煤、气煤和贫煤四种不同变质程度煤中获得了高纯度的有机显微组分。
Coal maceral concentrates of high purity were prepared from four different rank coals by Density Gradient Centrifugation method.
无论什么时代的无烟煤，随着其变质程度升高，煤中脉体种类增多，矿物成分变得复杂，较高温热水矿物出现。
The types of veins increase, the mineral components get more complicated and higher temperature hydrothermal minerals evolve as the anthracite metamorphic ranks, whenever they are, get higher.
无论什么时代的无烟煤，随着其变质程度升高，煤中脉体种类增多，矿物成分变得复杂，较高温热水矿物出现。
The types of veins increase, the mineral components get more complicated and higher temperature hydrothermal minerals evolve as the anthracite metamorphic ranks, whenever they are,...
结果表明：外加钠在热解过程中对NH3释放的作用较大程度上取决于煤的变质程度，变质程度越低的煤影响越明显。
The results showed that the influence of Na metal added on NH3 release during pyrolysis greatly depended upon coal metamorphism, which made the obvious influence on the coal with lower metamorphism.
煤层气勘探中存在着煤变质程度差异性大和储层物性变化规律差异大的特点，这些特点直接制约着我国煤层气产业化的进程。
The coal transmutative degree and variational rule of coal seam physical character are different in the prospection for CBM. The situation restricted CBM industrialization in China.
对脱去挥发份形成的焦粒进行的扫描电镜观察表明，粉煤焦的形态与煤的显微组分及其结合形式和煤的变质程度有很大的关系。
There is a definite relation between fuel ratio and vitrinite reflectance. The observation to pyrolysed char particles by SEM has shown that the char morphology is greatly influenced…
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