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- coal refuse backfilling 矸石充填
- The selected coal refuse was treated by heat activation under different temperatures and different calcining time. 摘要采用不同煆烧温度、保温时间的各种热激活工艺参数对所选的煤矸石试样进行热激活处理。
- The calcined coal refuse samples were ground and mixed into Portland cement in certain proportion.Mortar strength of coal refuse cement was tested. 将处理样粉磨后以一定质量比例掺人水泥中制成煤矸石矽酸盐水泥，测其各龄期胶砂强度值。
- The construction of industrial park has made achievement at sight.It marks with the end constructing the 600 thousand KVA coal refuse thermal power station. 工业园区建设显现成效，60万千瓦煤矸石热电厂投产在即，喻示本区将成为煤炭和电力生产基地。
- Decision fuzzy election (DFE) model was used with a view of strength and consumed energy for grinding.At last the best calcining technics of the coal refuse was found. 综合考虑强度和煤矸石粉磨能耗，采用模糊决策模型，遴选出该煤研矸最佳的热激活工艺参数。
- The environment protection section build the index system from the utilization ratio, added value and the social benefit for the flyash, engine ash and coal refuse. 环保与循环利用部分从粉煤灰、炉渣和煤矸石的利用率、产品附加值和社会效益等方面建立指标。
- Extracting alumina from coal refuse, sintering cement clinker directly from residues and circulating waste gas and liquid is a unusual technology for utilization of coal refuse. 从煤矸石中提取氧化铝,并用残渣直接煅烧硅酸盐水泥熟料，同时作废气、废液循环，是煤矸石资源开发利用的新工艺。
- In-door planting experiment was carried out to study the influence of the mining offal,using coal refuse and fly ash as the planting medium,on the crop of red soybean. 通过室内栽培试验,研究了煤矸石和粉煤灰作为培养基对作物生长的影响。
- Concrete products by wet grinding of coal refuse 湿碾煤矸石混凝土制品的生产
- Study on Indoor Impaction Test of Coal Refuse 固体废弃物煤矸石室内击实试验研究
- Keywords coal refuse;kaolinite;illite;filler; 煤矸石;高岭石;伊利石;填料;
- ballistic coal and coal refuse separation 弹道式煤矸分选
- backfilling with coal refuse 矸石充填
- We need to replenish our stocks of coal. 我们需要再次补充煤的储备。
- She piled on more coal before the fire go out. 在火熄灭之前她又加上些煤。
- I add the coal on the flame continuously. 我不断朝火里添加煤炭。
- They are ventilating the sap of a coal mine. 他们正在使煤矿坑道通风。
- Prohibition was laid on the export of coal. 禁止煤炭输出。
- He put a shovel of coal on to the fire. 他往火炉里加了一铲煤。
