1.
Determinating Coal-ash Share with Nuclear Technology;
利用核技术现场测定原煤灰份浓度的研究——选择性γ-γ法测定原煤灰份
2.
Article 24 The State promotes the method of dressing coal by washing for the purpose of reducing the sulfur and ash in coal, and restricts the mining of high-sulfur or high-ash coal.
第二十四条 国家推行煤炭洗选加工，降低煤的硫份和灰份，限制高硫份、高灰份煤炭的开采。
3.
INDUSTRIAL TEST OF SINTERING WITH WASHED LOW ASH COAL
低灰份太西洗煤用于烧结的工业性试验
4.
heap coal-dust,etc on(the fire in a fireplace or furnace)so that the fire burns slowly for a long time
（用煤灰等）封炉火.
5.
mechanical ashed producer
机械清灰煤气发生炉
6.
The chimney was choked with soot.
烟囱被煤灰堵塞了。
7.
flecks of dust, soot, dandruff
灰尘的微粒、 煤炱、 头皮屑.
8.
Sift out ashes from the cinders
把煤渣中的灰筛出来
9.
Sweep a chimney clear of soot.
把烟囱的煤灰清除乾净。
10.
A miner whose face was caked with soot.
脸上布满煤灰的矿工
11.
stain with a dirty substance, such as soot.
因煤烟烟灰而留下污点。
12.
You'vegot a smudge of soot on your cheek.
你脸上有块煤灰污迹.
13.
Research on Adsorption Behavior of DNBP on Fly Ash and Modified Fly Ash;
粉煤灰及改性粉煤灰对DNBP的吸附行为研究
14.
Microstructure of Fly Ash and Hydration of Cementitious Material with Fly Ash;
粉煤灰结构及粉煤灰胶凝材料水化的微观研究
15.
The Comprehensive Utilization of Powdered Coal Ash -- Development of Bearing Brick of Powdered Coal Ash By Steam Curing;
粉煤灰的综合利用——蒸养粉煤灰承重砖的研制
16.
Study on the Modification of Fly Ash and Removal of Fluoride in Aqueous Solution Using Modified Fly Ash
粉煤灰改性及改性粉煤灰除氟性能研究
17.
Alkaline activated fly ash in cement-fly ash system
碱对水泥-粉煤灰体系中粉煤灰活性的激发作用
18.
Influence of water to binder ratio and content on fly ash activity factor
水胶比和粉煤灰掺量对粉煤灰活性因子的影响