无烟煤

In order to void sulphur corrosion of steel surface layer when it is heated,in addition to more requirement of material surface quality,this paper gives some measure that alkyne gas of producer is given a desulfidation process by controlling the atmosphere in the producer and that use the alkyne of low sulphur and without smoke as row material.

为避免加热时对钢表层的硫腐蚀，除对材料表面质量提出了进一步的要求外，还提出了采用可控气氛，对发生炉煤气进行脱硫处理及使用低硫无烟煤作发生炉煤气的原料等解决措施。

On the condition of thermal contact metamorphism, clay minerals in coal are changed into andalusite .

无烟煤中红柱石是煤中粘土质矿物经热接触变质作用形成的。

Is a professional production of anthracite coal sales of the manufacturers.

是一家专业生产销售烟煤无烟煤的厂家。

We should use anthracite to avoid air pollution .

我们应该使用无烟煤以防止空气污染。

Anthracite is an important kind of coal in China.

在我国的煤炭储量中，无烟煤占有相当大的比重。

Another 880,000 tons anthracite coal exports will be delivered in six countries on three continents.

另一个880，000无烟煤出口将发表在6个国家在三大洲吨。

But for anthracite, prices remain basically stable, is expected to decline is unlikely.

但对无烟煤来说，价格保持基本稳定，预计下降的可能性不大。

We should use anthracite to avoid air pollution.

例句1。我们应该使用无烟煤以防止空气污染。

Why cannot we use anthracite as fuel?

为什么我们不能用无烟煤作为燃料？

The study includes influences of filtration media kind and filtration velocity on filtration quality and pressure drop. The results show that the oil capture ability of walnut shell is better, the capture ability of suspended solid of walnut shell and silica sand is better, the pressure drop of anthracite is lower, and the pressure drop of walnut shell and silica sand is higher.

研究结果表明，在石英砂、无烟煤和核桃壳3种滤料中，核桃壳对污水中原油的过滤效果较好，核桃壳和石英砂对污水中固体悬浮物的过滤效果较好；颗粒粒径较大的无烟煤滤层压降较小，核桃壳和石英砂滤层压降较大。

Neither the killing of Mr Zarqawi nor any breakthrough on the political front will stop the insurgency and the fratricidal murders in their tracks.

在对危险的南部地区访问时，他斥责什叶派民兵领导人对中央集权的挑衅行为。

In fact,I've got him on the satellite mobile right now.

实际上 我们已接通卫星可视电话了