Origin and treatment measure for gas accumulation in the upper corner at high gas face;
高瓦斯采煤工作面上隅角瓦斯积聚成因及处理措施
The rules of gas distribution on upper corner of fully mechanized coal mining face ase mensurated and analyzed by experiment method,the gas accumulation automatic monitoring-processing system of upper corner of fully mechanized coal mining face and the small hydraulic fiberglass fan are developed,the principle and characteristics of automatic monitoring-processing system are expatiated.
试验测定并分析了综采工作面上隅角瓦斯分布规律,研制出了综采工作面上隅角瓦斯积聚自动监控处理装置及小型液压玻璃钢风扇;阐述了自动监控处理系统的原理及特点,结合戊-21191综采工作面上隅角(回风隅角)瓦斯涌出及分布特点,合理布置了综采工作面上隅角瓦斯积聚自动监控处理系统并进行了试验应用;应用结果表明,综采工作面上隅角瓦斯积聚自动监控处理系统设计合理,动作可靠,实现了综采工作面上隅角瓦斯积聚的自动监控处理。
The gas accumulation is a heavy hidden in mine safe production.
瓦斯聚积是煤矿安全生产的重大隐患,在评价与分析现有治理方法的基础上,采用纵向风障法解决回采面上隅角瓦斯积聚,为煤矿安全生产提供了保障。
Numerical simulation of methane accumulation in roof falling zone of roadway in coal mine and its application;
巷道冒落区瓦斯积聚的数值模拟及应用
The development of the deviceprovides a new equipment and technology forexttacting the accumulated methane of thedriving road.
本文详细介绍了掘进巷道自控排瓦斯装置的结构、安装、原理及试验结果，该装置的研制为掘进巷道排放积聚瓦斯提供了新装备和新工
This paper introduces the factors of metamorphic evolution of coal-bed,expounds the time and quantity of hydrocarbon generating in coal-bed,and probes into the general regularity of the gas aggregation in coal-bed.
介绍了煤层变质演化的因素,论述了煤层生烃时间及生烃量,探讨了煤层瓦斯聚集的一般规律。
Research on Accumulation Gas Control Measure in Drilling Field Using Gas Drainage at High Gas Mine
高瓦斯矿井抽放钻场瓦斯积聚治理方法研究
Studies of Data Acquisition System and Design on Simulating Experimental Table of Stope Gas Accumulation
采场瓦斯积聚模拟实验台的采集系统设计研究
Discussion on Hazard Evaluation of Mine Gas Accumulation Based on Information Entropy
基于信息熵的矿井瓦斯积聚危险性评价探讨
The Mechanism about the Treatment of Gas Accumulation at the Top Exen Angle in Coal Mining Face Through Air Screen;
空气幕防治采煤工作面上隅角瓦斯积聚机理
Uncertainty Analysis on the Coal Mine Gas Accumulation;
矿井回采工作面瓦斯积聚的不确定性分析
DISCUSSION ON THE EXPERT CONSULTATION SYSTEM FOR LOCAL COAL MINE GAS ACCUMULATION
浅谈煤矿局部瓦斯积聚处理专家咨询系统
Probability Study on Gas Accumulation in Mine Passageways;
基于概率统计的通风巷道瓦斯积聚危险性分析研究
On the primary and secondary degrees of gas collection of top corner: Based on gray integrated assessment method
基于灰色关联法的上隅角瓦斯积聚因素主次性分析
Applying Technology of High Drilling Drainage to Preventing Gas Accumulation at Upper Corner of Full-mechanized Mining Face
利用高位钻孔抽放技术治理综采工作面上隅角瓦斯积聚
Using Parseval s Equation to Solve a Kind of Infinite Integral;
用帕斯瓦尔关系式求解一类无穷积分
An underground accumulation of petroleum or gas in porous sedimentary rock.
贮油层，瓦斯层位于多孔的沉积岩中的地下石油层或瓦斯层
Calculation and Analysis of Van der Waals Volume Modifying Value
氦的范德瓦尔斯体积修正项的计算与分析
Another Way Of Calulating The Van der Waals Volume Modifying Calue
范德瓦耳斯体积改正数的另一种计算方法
Experiment Research on Deposited Coal Dust Explosion Occurred by Gas Explosion Shock Wave
瓦斯爆炸激波诱导沉积煤尘爆炸的试验研究
Prediction of gas concentration chaotic time series based on support vector machines
基于SVM的瓦斯体积分数混沌时间序列预测
Experimental Study on the Propagation Laws of Gas Explosion Inducing Coal Dust Explosion
瓦斯爆炸引起沉积煤尘爆炸传播实验研究
Extension clustering method for coal and gas outburst prediction and its application
煤与瓦斯突出预测可拓聚类方法及应用
Gas is escaping from the range.
瓦斯从瓦斯炉灶漏出。