methane

Key issues of coal and gas co-mining in thick seam;

厚煤层煤与瓦斯共采的关键问题

Theoretical research on propagation law of acoustic emission wave in coal seam containing gas;

含瓦斯煤体声发射应力波传播规律理论研究

Prediction of gas emission time series based on W-RBF;

基于W-RBF的瓦斯时间序列预测方法

Directional Drilling for Methane Drainage in Advance of Mining;

采前瓦斯抽放定向钻进技术

Controlling measures of methane and coal dust and ventilation method in fully mechanized excavation face;

综掘工作面治理瓦斯煤尘通风方法的探索

Integrated control technology for methane in mining faces;

回采工作面瓦斯综合治理技术

Influence factors of mine gas hydrate formation in surfactant solution containing coal;

瓦斯水合物在含煤表面活性剂溶液中生成影响因素

Design and practices on network system of wireless sensors for mine gas monitoring and measurement;

煤矿瓦斯监测无线传感器网络系统设计与实现

Design on wireless sensor network for mine gas measurement;

煤矿瓦斯监测无线传感器网络系统设计

The Analysis of Geological Factors to the Existence of Coal Gas in the Sunan Coal Mining Area and Xutuan Coal Field;

浅析宿南矿区和许疃井田瓦斯赋存的地质因素

Dilution process of the coal gas in the laneway with pressured-injection ventilation and extracted methods had been analyzed comparatively.

本文对煤矿瓦斯治理中压入式与抽吸式通风方式对掘进面附近瓦斯浓度稀释规律进行了对比分析,主要考察两种通风方式对于瓦斯析出量出现变动的适应能力。

Relation between the circle air and gas concentration;

循环风与瓦斯浓度的关系

Forecast of coalmine gas concentration based on the immune neural network model;

基于免疫神经网络模型的瓦斯浓度智能预测

The paper introduced composition,working principle,design of hardware and software of a monitoring system of gas concentration based on AT89C2051 single-chip microcomputer and VB6.

0的瓦斯浓度监测系统的组成、工作原理及硬件、软件设计方法。

Discussion on gas control measure for one pass cutting coal mining face of high gas coal mine in Jincheng mining area;

高瓦斯矿井一次采全高综采工作面瓦斯治理

The study on the Numerical Simulation and determination of parameters in gas control at the upper corner in U-Type ventilation face;

回采采空区上隅角瓦斯治理的数值模拟与参数确定

Mine gas control in Yangquan Coal Group:practice and prospects

阳煤集团瓦斯治理实践与展望

Gas is escaping from the range.

瓦斯从瓦斯炉灶漏出。

be sent to the gas chamber

进瓦斯室[用瓦斯毒死

Schwassman-Wachmann comet

施瓦斯曼－瓦赫曼彗星

Gas Control Technology of Gas Abnormal Area in the Mining Process on Low-gas Coal Mine

低瓦斯矿井高瓦斯区域瓦斯综合治理技术

an air [a gas] turbine

空气[瓦斯]涡轮机.

catalytic gas oil

催化(裂化)瓦斯油

a wood coal, gas, oil, electric ] stove

柴煤、瓦斯、油、电]炉

The gas stove has only two burners.

这瓦斯炉只有两个瓦斯头。

You put the kettle on the gas stove, and then light the gas.

你先把水壶放在瓦斯炉上，再点瓦斯。

Investigate on Influence of Gas Concentration on Gas Explosion Propagation

瓦斯浓度对瓦斯爆炸传播的影响研究

Gas comprehensive way technology for fully mechanized top high gassy coal caving mining face

高瓦斯综放工作面瓦斯综合治理技术

The ventilating and methane monitoring technology of Yunding high methane tunnel

云顶高瓦斯隧道通风及瓦斯监测技术

Gas Prevention and Control Technology with Hydraulic Pressing and Pushing for Fully Mechanized High Gassy Coal Mining Face

高瓦斯综采面水力压挤瓦斯防治技术

Technology of "Coal and Gas Simultaneous Extraction" for High Gassy Coal Seams Group

高瓦斯煤层群“煤与瓦斯共采”技术研究

Application of Gas Drainage Pump to Tunnel Gas Emission

瓦斯抽放泵在巷道排放瓦斯中的应用

Prediction on Gas Emission and Gas Drainage base on Elevation

根据标高预测瓦斯涌出量和瓦斯抽放

tandem gas engine

串排复缸瓦斯发动机

sigma recording methanometer

瓦斯火焰连续记录仪