In production and transportation process of coal gas, the coal tar has comparatively severe harmless.

True synthetic fibers are made from such as coal, gas and petroleum.

合成纤维由煤 、 天然气和石油制成的.

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It can be extracted without burning a fossil fuel such as coal, gas, or oil.

它在采掘过程中无须燃烧如煤炭, 煤气或石油这类矿石燃料.

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The method of gas drainagecoal seam gas drainage , near coal gas drainage , and goaf gas drainage.

瓦斯抽放的方法有本煤层抽放 、 邻近层抽放和采空区抽放.

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The stress, water and velocity sensitivity of coal gas reservoir were studied.

研究了煤岩储层的应力敏感 、 水敏和速敏.

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In coal gas drilling, coal collapse led to drilling hard trip and other accidents.

在煤层气钻井中, 煤岩坍塌造成接单根困难、起下钻遇阻遇卡、蹩泵等事故和井下复杂.

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The coal gas has been odorized before supplying the users.

煤气在输送给用户之前添加了臭味.

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The electric detarrers of the coal gas plant were reformed and got better results.

对煤制气厂的电捕焦油器进行了改造,取得了较好的效果.

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Impurities gathered in the duct wall affected the cooling effect of coal gas primary cooler.

我厂的煤气初冷器因管壁上结积杂质而影响其冷却作用.

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The hot coal gas heating furnace is a store which the coal gasify gasses burn again.

热煤气加热炉是一种燃煤气化后二次燃烧的加热炉型.

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Coal gas production became involved with safe gas explosions.

煤气生产包含于安全气体爆炸.

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The development and application actuality of China coal gasification were briefly introduced.

在“十五”规划中,各方都强调要推进煤炭气化技术的开发和应用.

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Actual production shows that Ender pulverized coal gasification gives good results and remarkable economic benefit.

实际生产表明,恩德粉煤气化效果良好,取得了明显的经济效益.

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Co-production based on coal gasification should be the strategic direction of these efforts.

作为其战略方向,应发展以煤气化为核心的多联产系统.

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Coal gasification is a well established technology for preduction of pipeline gas or synthesis gas.

煤炭气化已被确认为制取管道煤气或合成气的技术.

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The existence of tar-a by-product of coal gasification reduces the utilization value of gasifyed fuel gas.

气化 副产物 焦油的存在降低了气化燃气的利用价值.

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Great progress on research for underground coal gasification technology has been also obtained in China.

我国对煤炭地下气化技术的研究取得了很大进展.

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A circulating fluidized bed powdered coal gasification process and apparatus for hydrogen production is developed.

提出一种间歇式循环流化床煤制气工艺在我国氢气生产上的应用.

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Pressure dry pulverized coal gasification is an advanced gasification technology for high efficiency and low pollution.

干法粉煤加压气化是一种高效低污染的先进煤气化方法.

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Perhaps the earliest of these techniques to be explored was in situ coal gasification.

也许对这些技巧最早的探索是煤就地气化.

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This technology therefore lays a foundation for the industrialization of underground coal gasification technology in China.

这项技术为我国煤炭地下气化技术产业化奠定了基础.

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