查询词典 gas coal

The situation of application and practical design methods of hot coal gas are introduced.

介绍了热煤气的应用现状以及实际设计方法，同时，分析了热煤气在实际应用中需要注意的问题，并对项目做出了生产效益分析和环保评价。

The full process of coal and gas outburst can be monitored by this device.

5实现了煤与瓦斯突出试验的全过程回放。

This product is mainly used in the NH3-decomposed stove which is for coal gas purification and recycling equipment.

这种产品主要是用于在氨分解炉，是为煤气净化和回收设备。

Today, most of the families use gas to cook instead of coal, even in the countryside.

如今，大多数家庭用煤气代替了煤来做饭，甚至在农村也是。

But during coal mining,often stop production because of gas content in natural coke increase.

但在煤矿生产中却经常是遇到天然焦因瓦斯增大而中止生产的现象时有发生。

As the coal is changed into coke, a gas is also produced.

燃烧时，焦炭比煤产生的烟要少，因此非常适用于采暖装置，但是它不易点燃。

Coke Oven Gas is made in by-product coke ovens by the distillation of the volatile matter from the coal.

煤在蒸馏焦炭炉中进行干馏所产生的煤气称焦炉煤气。

It only use anthractie thus eliminates traditional coal gas discharge in coke oven, which is both clean and energy-saving.

该工艺最大的特点是可大量使用弱粘煤和无烟煤，同时消除了传统老工艺中的焦炉煤气的排放，既清洁环保又节能。

In the paper, the fundamental principle and process development of methanol making with coke oven gas are described and it is pointed out that the combined production of coke and chemicals of coal is the effective way for the rational utilization of resource and sustainable development.

本文介绍了焦炉煤气制甲醇的基本原理和工艺进展，指出煤焦化联产是合理利用资源和实现可持续发展的有效途径。

An optimum method of calculating drilling hole position in preventing cross-measure cutting coal gas burst is put forward.

提出了在石门揭煤中预防瓦斯突出的一种计算钻孔位置的优化方法。

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。