系统地分析了未变质煤的X 射线衍射图。
The X-ray diffraction patterns of unmetamorphosed coals have been systematically analyzed.
低变质煤煤系石英脉一般不发育。
Generally quartz veins are not developed in measures with low rank coal.
本文从生产型煤和型焦的需要出发，研究岩浆变质作用所形成的天然焦炭和高、中变质煤的显微结构。
The paper studies the microstructures of the cokeite and the high, middle metamorphic coal, formed by the metamorphism of magma in view of the need for producing moulding coal and coke.
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.
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.
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.
在实验基础上进一步探讨了构造煤的动力变质作用和自由基浓度在煤和瓦斯突出预测中的作用。
The dynamic metamorphism of disturbed coals and the effect of radical density on coal gas outburst prediction are discussed.
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.
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.
在本区煤系地层底部有一酸性侵人岩体，该侵入岩体是引起本区煤变质的直接热源，它提供了褐煤向烟煤转化的热动力。
In the bottom of coal measures is an acidic intrusive body, it is direct heat source of metamorphism, and provided the conversion of lignite to bituminous coal with thermodynamic power.
伊敏五牧场区存在着从褐煤到贫煤完整的变质系列，其主要煤变质类型为接触变质。
There is a complete metamorphic series of coal from lignite to meager coal in Wumuchang area, Yimin, the main metamorphism type is contact metamorphism of coal.
通过对含煤建造及构造体系的分析，探讨了勃利煤田的变质规律。
Through analysis on coal formation and system, expound the change regulation of Boli coal field.
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.
在此基础上，结合岩浆岩研究，指出抚顺煤田煤变质为一种具有浅成、高温、作用时间较短的岩浆热变质作用的产物。
Along with study of magmatic rocks, the au-thors propose that coal metamorphism in coalfield resulted from shallow magmatic thermal metamorphism with high temperature in a short time.
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.
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.
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.
关于煤的变质因素，文中否定了那种把该煤田煤变质因素单纯归结了深成变质作用的观点。
The opinion is denied of the metamorphic factor only relying on to regional metamorphism in the paper.
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.
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.
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.
煤层气是煤的生成和变质作用过程中形成的一种非常规清洁能源。
Coal - bed gas is a very clean energy that is formed in the course of the formation and metamorphism of the coal.
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.
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.
研究该区煤变质规律对伊敏煤田及海拉尔褐煤盆地烟煤预测具有指导作用。
To sum up, the study of coal metamorphism has guiding significance in bituminous coal prediction in Yimin coalfield and Hailar lignite basin.
煤变质带的分布与后期侵入的辉绿岩的分布关系密切。
The zone of coal metamorphism is evident and related to the distribution of diabase which intrusion after main coal formation.
喷吹低变质度、高活性组份含量的煤可以获得较高的燃烧率和较大的喷煤量。
Higher combustibility and coal injection rate can be acquired in BF by using the coal with lower metamorphic degree and higher content of active matter.
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.
属于区域岩浆热变质作用的一种模式，也是西北地区早中侏罗世煤变质的特点之一。
This is a model of telemagmatic metamorphism and a character of coal metamorphism early-middle Jurassic in northwest of China.
在高变质阶段的贫煤、无烟煤层中，煤层夹矸的粘土矿物成分以伊利石为主，高岭石次之。
In the lean coal bed and anthracite bed of high coal rank, the main composition of the clay mineral in the tonstein intercalations is illinite, Kaolinite takes second place.
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