井下煤层自燃严重危害着安全生产。
The spontaneous combustion of coal seam endangers the safe production.
煤层自燃发火是煤矿安全的大敌。
Spontaneous combustion of coal seam poses great hazards to safety mining operations.
中国北方煤田煤层自燃现象非常严重。
Spontaneous combustion of coal constitutes a very serious problem in North China.
调查区为煤层自燃死火区。
矿井煤层自燃主要是由于漏风供氧引起的。
Spontaneous combustion of a coal seam was mainly caused by oxygen in leaked air.
煤层自燃问题一直困扰着我国煤矿的安全生产。
The spontaneous combustion of coal seam is one of the major problems in safe production of coal mine.
煤层自燃形成的煤田火区是煤矿区重要灾害之一。
Coalfield fires resulted from coal spontaneous combustion has already become one of the major casualties of coal production.
煤层自燃形成的煤田火区是煤矿区重要灾害之一。
The formation and harm of spontaneous combustion in coal field are generally described.
煤层自燃问题是影响煤炭生产安全的最主要灾害之一。
The spontaneous combustion of coal seam is one of the major calamities in safe production of coal mine.
这为生产上查明煤层自燃范围提供了理论和实际依据。
This provides the theoretical criteria and practical data for the productive department to divide the area of spontaneous combustion of coal seams.
要解决煤层自燃问题，破坏其漏风供氧环境能收到事半功倍的效果。
To solve the problem of spontaneous combustion in coal seams, the cutting - off of air leakage and oxygen supply can get twice the results with half the effort.
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。
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.
通过验证结果发现：采用传统的BP网络即可满足煤层自燃等级的划分。
It proves that using the traditional BP network can distinguish the rand of spontaneous combustion fatalness through the validated result.
烧变岩是煤层自燃引起周围围岩变质而形成的，具有特殊的工程地质性质。
Burnt rock is come into being coal bed self-ignite and bring wall rock metamorphose and has special engineering geological characteristics.
阳泉矿区煤层瓦斯含量高，井下煤层自燃频繁，严重影响了煤炭安全生产。
Methane content is high and spontaneous combustion occurred frequently in Yangquan coal mines, which have a serious influence upon the safe production in the mines.
通过对通风、降雨、气温、挖掘等的分析，论述了煤层自燃的外部影响条件。
And he also explained the exterior influence factors of the coal seams spontaneous combustion by analyzing the ventilation, the rain fall, the air temperature and the digging.
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。
Accurate prediction of the tendency of spontaneous combustion risk in mining coal layers is of great importance in production safety of coal mine.
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。
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.
论述了煤体与岩体的受热破坏特性，对露头煤层自燃火灾中煤岩体的热破坏机制进行了定性分析。
This paper introduced the characteristics of thermal breakage of coal and rock, and analyzed its mechanism on coal spontaneous combustion.
煤层自燃是中国北方煤田中普遍存在的灾害现象，它不但烧掉了大量的煤炭资源，而且还污染了环境。
Coal fire is a commonly existed disaster in the coal fields of northen China, it burns huge amount of coal resource, worsens environment.
本文建立的煤炭自燃可能性判定系统是一个应用计算机对采区煤层自燃发火可能性进行判定的专家系统。
The judging system for the possibility of coal selfignition established in this paper is an expert system which uses computer to judge the possibility of coal selfignition in stope.
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。
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.
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。
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.
我国北方干旱地区的侏罗纪煤层自燃现象十分严重，浪费了大量有限的煤炭资源，造成了很大的环境污染。
Jurassic coal spontaneous combustion located in arid areas in northern China is a very serious problem, which wastes a lot of limited coal resources and results in a great deal of pollution.
利用煤层自燃的物理和化学特性，设计了一种基于虚拟仪器技术的监测预报系统，实现了实时监控和自燃预报。
A kind of monitoring and prediction system based on virtual instrument was designed in this paper, and it can realize real-time monitor and spontaneous combustion prediction in coal mine.
粉煤灰复合胶体灭火技术工艺简单，材料成本低，对西部缺水少土地区煤层自燃火灾的治理具有重大的推广应用价值。
The fire extinguishing technique with fly ash composite gel is simple in technology process and has low cost in materia…
结合千秋煤矿实际情况，介绍了易自燃特厚煤层瓦斯综合治理技术。
Combining with the actual situation in Qianqiu coal mine, the technology for comprehensive gas treatment in spontaneously inflammable and specially thick coal seam is introduced.
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。
There are more than 56% of mines in our country exist seams spontaneous combustion danger, seams spontaneous combustion fire serious influences coal safety production.
并应用这些技术和方案成功处理了磁二矿易燃煤层综放开采自燃危险区及火区。
These techniques and schemes are employed successfully to extinguish or prevent fire zones in Ciyaobao coalmine.
研究了铜川矿务局下石节煤矿高瓦斯油气共生易自燃厚煤层巷道松动圈的范围，确定合理封孔长度。
Methods to define the laneways loose zone of thick coal seam with enriched gas and spontaneous combustion is studied in the article and define the rational the length of sealed borehole.
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