煤灰

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

过隧道时，反向风把灌进驾驶室。

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.

他的脸双手都沾满了污垢。

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

粉的火效应对水化物钙矾石的形貌性能影响。

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).

用人工天然火质材料(如火、粉沸石)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.

粉空心砖粉块配合使用去除NH3-NTP的综合效果最好，分别达到了89%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.

介绍了为保证台背回填质量,防止台背沉陷或跳车,在地形受限制的地方,采用液态粉灌注台背的施工工艺,对这项施工工艺的方法、步骤注意事项进行了详细的阐述。