Spontaneous combustion of coal seam poses great hazards to safety mining operations.
煤层自燃发火是煤矿安全的大敌。
Finally, some phenomena of spontaneous combustion of coal are explained by using this mechanism.
最后，用该机理对常见的几种煤炭自燃现象进行了解释。
The spontaneous combustion of coal seam is one of the major problems in safe production of coal mine.
煤层自燃问题一直困扰着我国煤矿的安全生产。
Oxygen consumption rate is a very important index to evaluate nature of spontaneous combustion of coal.
耗氧速度是评价煤自燃性的重要指标。
The spontaneous combustion of coal seam is one of the major calamities in safe production of coal mine.
煤层自燃问题是影响煤炭生产安全的最主要灾害之一。
This paper has set up a geometric model for the purpose of studying of spontaneous combustion of coal pillar.
论文建立了用于煤巷自燃研究的几何场效模型；
Spontaneous combustion of coal stockpile is a key problem to be solved for safety in coal production and storage.
煤炭自燃火灾严重影响煤炭的安全生产和储藏。
Finally based on the analysis of heat effect during tests, the mechanism of spontaneous combustion of coal is discussed.
最后，通过煤炭低温吸氧过程的热效应分析，对煤炭自燃机理进行了探讨。
The spontaneous combustion of coal of gob is one of the major calamities, which seriously influences safety production of mine.
采空区浮煤自燃是煤矿的主要灾害之一，严重影响了煤矿的安全生产。
This provides the theoretical criteria and practical data for the productive department to divide the area of spontaneous combustion of coal seams.
这为生产上查明煤层自燃范围提供了理论和实际依据。
To enhance the efficiency of mine fire control, the technology of three-phase foam for preventing spontaneous combustion of coal in goaf was developed.
针对目前煤矿防灭火技术与材料存在的一些不足，研制了一种用于防治采空区煤炭自燃的三相泡沫材料。
However the study of the spontaneous combustion of coal seam causing surface subsidence deformation is very little, so the paper tries to study the problem.
然而煤层自燃引起的地表移动变形研究在国内外涉及很少，为此本论文对该问题进行了一定的探索和尝试。
The spontaneous combustion of coal beds is a common problem in the coalfield in China, and particularly serious in the Jurassic coalfield in Northwest China.
煤层自然是我国煤矿中存在的一个较为普遍的问题，尤其是西北地区体罗纪煤田，煤层自然尤为严重。
Spontaneous combustion of coal is an extremely complicated physical chemistry process and the moisture is the important factor of the influence of coal oxidation.
煤炭自燃是一个复杂的物理化学过程，煤的水分是影响氧化进程的重要因素。
The geological environment is very fragile, with shortage of groundwater, critical spontaneous combustion of coal seams and large distribution of burn rock in mining area.
矿区地质环境脆弱，地下水资源贫乏，煤层自燃严重，火烧岩广泛分布。
Spontaneous combustion of coal seams is a complicated physical-chemical and environmental process and the result of integrated action of many kinds of internal causes and external conditions.
煤层自燃是一个复杂的物理、化学和环境作用过程，是多种内在原因和外在条件综合作用的结果。
Relationship between hydrogen and oxidization and spontaneous combustion of coal in gobs in Xinji coal Mine is studied through experiments of coal desorption and heat decomposition in laboratory.
通过实验室煤的解吸、热解试验，分析研究了新集煤矿采空区氢气与煤自燃氧化的关系。
There are more than 56% of mines in our country exist seams spontaneous combustion danger, seams spontaneous combustion fire serious influences coal safety production.
我国有56%以上的矿井存在煤层自然发火危险，煤炭自燃火灾严重影响煤炭的安全生产。
Coal fire is a dynamic process caused by spontaneous combustion of the coal layer in various directions, accompanied by the sensible thermal field variation both in time and in space.
煤层自燃是一个动态变化的过程，随着自燃向不同方向扩大或缩小，其热场随着燃烧过程而发生空间变化。
The nonlinearity and distribution of information processing of the artificial neural network are utilized in the indentification of model of coal spontaneous combustion stove at low temperature.
将人工神经网络的非线性特性和信息的分布性用于煤低温自燃实验炉的模型辩识。
According to the molecule orbital theory, the oxidation spontaneous combustion reaction of the low molecular compound in coal takes place at the atoms which charge density is thick.
根据分子轨道理论，煤中低分子化合物的氧化自燃反应发生在电荷密度较大的原子部位，计算得到了煤有机质中低分子化合物发生氧化自燃反应的活性点。
The main reason of coal spontaneous combustion is interaction between surface activity structure of coal and oxygen.
煤自燃主要是由于煤表面活性结构与氧之间相互作用的结果。
Owing to the lower intensity, pure gel breaks into pieces and loses water easily, affecting its preventing and controlling of coal spontaneous combustion.
矿用灭火凝胶材料由于强度低易破碎脱水，一定程度上影响了煤炭自燃火灾防治的效果。
The coal spontaneous combustion fire is one of main disasters in coal mine, it has seriously affected the safety of coal mine in production.
煤炭自燃火灾是煤矿的主要灾害之一，严重影响了煤矿的安全生产。
The indicator gases predicting coal spontaneous combustion were determined based on the law of gas released from oxidizing coal with temperature.
进行了煤的升温氧化实验，通过分析煤氧化释放气体随煤温变化规律，确定煤自然发火预测预报的指标气体。
Accurate prediction of the tendency of spontaneous combustion risk in mining coal layers is of great importance in production safety of coal mine.
正确预测开采煤层自燃发火的趋势与危险性，对煤矿安全生产具有重要的指导意义。
The importance of mine spontaneous combustion and its forecast for safe production in coal mines was described.
指出了矿井自然发火及其预测对安全生产的重要性。
Combined with coal characteristics in goaf of fully mechanized top-coal caving, determinant criteria and methods of hazard zone in goaf are determined by theory of coal spontaneous combustion zone.
本论文结合综放面采空区浮煤自然发火的特点，运用煤自燃危险区域判定理论，确定了采空区自燃危险区域的判定条件和方法步骤。
Finally, according to the experiments of Yanzhou coal sample, the results of the numerical simulation on the column coal spontaneous combustion are consistent with the experiments.
最后，以兖州东滩矿煤样自然发火实验为基础，对圆柱形煤样自燃过程进行数值模拟，其结果与实验基本一致。
The computed results can be used to better explain some phenomenon in the spontaneous combustion process of coal and have higher reliability.
解算结果能较好地解释煤自然发火过程中的一些现象，有较高的可信度。
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