煤灰

In tunnels, a lashing backwind fills the cab with soot.

过隧道时，反向风把进驾驶室。

It is an important path to exploitage synthetically to manufacture Haydite with Fly Ash.

粉已经作为一种矿物资源综合利用。

His face and hands were coverd with grime from the coal dust.

他的脸和双手都沾满了和污垢。

The poozzolanic effect of fly ash on shape looks and function of the Calcium aluminite,Which is the cement hydrated product,is also introduced.

粉的火效应对水化产物钙矾石的形貌和性能会产生影响。

Blast furnace slags were partially replaced by artificial and natural pozzolanic materials, such as pozzolan , fly ash and zeolite,to produce alkali activated slag cement(AASC).

用人工和天然火质材料(如火、粉和沸石)替代部分高炉矿渣制造碱矿渣水泥。

The removal rates of NH3-N and TP were the highest and high up to 89% and 81% respectively by combination of fly ash and airbrick detritus.

粉和空心砖粉块配合使用去除NH3-N和TP的综合效果最好，分别达到了89%和81%。

The paper introduced the construction technology of liquid flyash pouring retailing backwall in order to assure refill quality of retailing backwall,protect retailing backwall depression or jumping.

介绍了为保证回填质量,防沉陷或跳车,在地形受限制的地方,采用液态粉注的施工工艺,对这项施工工艺的方法、步骤和注意事项进行了详细的阐述。