查询词典 gas coal

For example, Petroleum exploitation (Mine is called " The earth blood "), mine exploitation (Coal is called " The earth bone structure "), gas company (Gas is called " The earth pulse ") and the ocean fishing field.

如石油开采，矿山开采（我们称矿山为地球结构骨架），煤炭开采，天然气公司（我们称天然气为地球气脉），海洋捕渔业。

Erdos basin is our country gas reserves most areas and our country transport the natural gas from the west to the east most powerful production base, Has the reservoir wave impedance difference to be small but the cap rock to clamp the strong reflection coal bed and so on not to favor the seismic exploration the characteristic.

鄂尔多斯盆地是我国天然气储量最多的地区和我国西气东输的最强有力生产基地，具有储层波阻抗差异小而盖层夹强反射煤层等不利于地震勘探的特点。

They help us understand the regulation of inner gas-flow field of coal ball mill and lay a foundation for further study in gas-particle property of the machine. At the same time, the conclusions offer beneficial reference for optimizing the machine structure design and controlling the inner flow field.

文中总结出磨煤机内气相流场随磨煤机填充率和进出口管道口径变化的规律，为磨煤机的结构优化设计和实际生产中对磨煤机内部流场进行控制提供了有益的参考。

This valve is widely used in the pipe system transporting coal gas, natural gas, venting and environment protection in building material, glass, mining, power, light industry and papermaking departments.

电动气体切断阀，适用于建材、玻璃、矿山、电力、轻工、造纸等行业的能源输送管道的煤气、天然气、通风、环保工程等管道系统中。

This valve is widely used in the pipe system transporting coal gas, natural gas, venting and environment protection in building material, glass, mining, power, light industry and papermaking departments. The technique is introduced from foreign Company.

手动翻板式三杆蝶阀引进国外先进技术，广泛适用于建材、玻璃、矿山、电力、轻工、造纸等行业的能源输送管道的煤气、天然气、通风、环保工程等管道系统中。

This valve is widely used in the pipe system transporting coal gas, natural gas, venting and environment protection in building material, glass, mining, power, light industry and papermaking departments. The technique is introduced from foreign Company.

电动翻板式三杆蝶阀引进国外先进技术，广泛适用于建材、玻璃、矿山、电力、轻工、造纸等行业的能源输送管道的煤气、天然气、通风、环保工程等管道系统中。

It is applicable to resistance to tank of crude oil and sewage, oil line, tank of coal gas, gas pipe, sewage treatment tank, power plant, line of chemical plant, ocean engineering facilities.

适用于油田中的原油、污水罐、各种管道、煤气贮柜、输气管，污水处理池，电厂、化工厂管道、海洋工程设施等作重防腐涂料之用。

Because the geological conditions and the tectonic activity of coal-bearing basin are complexity in our country, there is a unique gas production mechanism and discipline of coalbed methane, while there is no theorem of gas production mechanism and discipline of coalbed methane formed by systematic analysis at home and abroad.

由于我国地质条件和含煤盆地的构造活动复杂，存在着独特的煤层气产气机理和产气规律，而国内外也没有形成系统地分析高阶煤产气机理和产气规律的理论。

In the process of draining gas in gob area of a coal mine, the stability of surface drilling well and gas drainage effect were improved by studying different factors affecting the drainage effect and the term of service with the method of numerical simulation of computational fluid dynamics and field test.

在应用地面钻井抽采矿井采空区瓦斯的过程中，为了提高地面钻孔的稳定性及瓦斯抽采效果，采用CFD数值模拟和考察试验的方法研究了影响地面钻孔抽采效果和服务期限的不同因素。

The coalbe methane is natural gas in coalbed and the eoalbed methane system is a natural system that encompasses coal beds and coalbed methane in them as well as all the geologic dements and processes as required for forming a coalbed gas pool.

煤层气是赋存于煤层中的天然气，而煤层气系统是由煤层和其中的煤层气及煤层气藏形成所必需的一切地质要素和作用所组成的天然系统，煤层是煤层气系统的焦点。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。