查询词典 gas coal

Key words :coal mine safety ; vacuum pump ; gas drainage ; generate electricity

主题词：煤矿安全；真空泵；瓦斯抽放；发电

To meet the requirement of small diameter and shallow hole drilling for gas drainage in coal tunnel, the ZDY1200L track-mounted hydraulic tunnel drilling rig has been developed.

为适应当前煤矿井下小直径浅孔瓦斯抽放钻进的需要，研制了ZDY1200L型履带式全液压坑道钻机。

This article introduces the situation of using the longhole shock blasting technology to prevent gas and coal outburst in driving face ,analyzes the application result.

介绍了在掘进工作面应用深孔松动爆破技术预防煤与瓦斯突出的实施情况，并对应用效果进行了分析。

The BlackLight Process is said to generate enormous amounts of cheap, non-polluting heat that will replace the thermal power in coal, oil, gas and nuclear power plants that is then converted to electricity.

利用不可见光的过程是传说中产生大量便宜的、非污染热能并且产生的热能将会代替由煤、石油、天然气及核电厂所产生的热能，然后将其转化为电能。

Coal combusts in high-temperature flow of oxygen, and various forms of sulfur in the samples are generated into sulfur dioxide and a small amount of sulfur trioxide; when the infrared detector converts gas concentration to voltage signal, we can detect.

煤样在高温的氧气流中充分燃烧，试样中各种形态的硫分解出来生成二氧化硫和少量三氧化硫，由红外检测器将气体浓度转换成电压信号进行检测。

One of the unique issues with CBM production is that in order to desorb the gas off the coal the wellbore pressures need to be very low.

与煤层气生产的独特的问题之一是，为了脱附的关闭煤矿井筒压力，需要非常低的气体。

The globle is on the brink of a big switch from gas to coal as the preferred fuel for power stations, according to projections from Alstom, Siemens and General Electric, the globle's Number 3 biggest power equipment dors.

全地球最大的三家发电设备制造商阿尔斯通、西门子和通用电气预计，煤炭将取代天然气，成了电厂的首选燃料，形成重大转变。

Finally,the paper said so far there are no real strong evidents support to the coal formed gas and for some key items there are no satisfactorily explanation.

并对C—P煤系地层的成藏条件及煤成烃地质和地球化学证据进行了讨论，认为它尚未对一些关键问题作出令人信服的解释。

It is widely applied in the gasification reactor control of such like coal gas, nitrogenous fertilizer, synthetical ammonia, pure alkali, detonator, machining of engine, glass and so on."ZF-4 system" has passed the product appraisal conducted by Anhui technological office, China Nitrogen Fertilizer Industry Association, Chinese academy of sciences.

ZF—4型造气炉炉况监测与优化系统（以下简称ZF—4系统）是适用于造气炉生产过程自动监测与调优的控制设备，可广泛地应用于城市煤气、氮肥、合成氨、纯碱、炸药、机械加工、玻璃等行业的造气炉控制上。

Integrating full numerical simulation method of furnace with coal characteristic analysis, the paper makes a more complete prediction of furnace slagging. The aerodynamic field, gas temperature field and original ash layer temperature field are studied.

本文采用炉内过程全模拟的方法，对炉内的空气动力场、烟气温度场和原生灰污层表面温度进行分析，并结合煤灰结渣特性判别准则，对炉内结渣状况作出较为完整的预报。

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。