缺煤地區 的英文怎麼說
中文拼音 [quēméideqū]
缺煤地區
英文
coal scarce area-
By research the effect of mineral mixture on cement and admixture, we can improve it ' s utility in cement concrete. in this article we use the slag and fly ash as research object. we study the effect of the mineral " s dosage on the compability of different fineness cement and admixture, the effect of mineral fineness to the compatibility of cement and admixture. wo also research the effect of mineral to different cement and admixture in chongqing. by the study, we continue changing the character of mineral to improve it ' s effect to compatibility. slag and fly ash mix each other can have better character to the compatibility of cement and admixture. changing slag by admixture and gypsm also can improve it ' s compatibility to cement and admixture
礦物摻合料對水泥與不同摻量的外加劑之間的相容性影響。並結合重慶市現有的資源，研究了礦物摻合料對重慶地區不同廠家的水泥與外加劑的相容性影響。進而對礦物料的缺陷進行改善，採用礦渣與粉煤灰混摻，膨脹劑與礦渣混摻，礦渣與石膏，礦渣與外加劑混磨，優化礦物摻合料，更好的促使其在重慶市水泥混凝土中的應用。The main ecological environment problems of coal cities of northwest were analyzed, including water resource shortage, water pollution, land resource destruction and pollution, air pollution, biological resource damage and noise pollution
摘要本文分析了西北地區煤炭城市主要的生態環境問題，包括水資源短缺與水體污染、土地資源破壞與污染、大氣污染、生物資源損害以及噪聲污染。The coal resource exists at the northwest area in china, but the most consumption of the coal is in the east and south of china, so that, the basic flow of coal transportation is from west to east, from north to south and through the combine of the traffic railway and coastal shipping
由於煤炭產地多為西北部地區，而煤炭的消費地主要集中在煤炭資源缺乏的華東及中南地區，因而形成了我國西煤東運、北煤南運、鐵海聯運的基本運輸格局。
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