waste coal product 废煤产品
coal preparation waste water 选煤废水
coal waste 煤矸石
coal waste rock pile 煤矸石堆
coal mine solid waste 煤矿固体废物
coal industry waste water 煤炭工业废水 ; 工业废水
waste from coal mine 煤矿废水
In the second part, with the mixed emulsifier and the method of ultrasonic emulsification, the waste coal tar pitch was used to produce emulsified fuel.
第二部分内容采用混合乳化剂和超声乳化法,以炭素厂废煤沥青为原料生产沥青乳化燃料。
He was attempting to manufacture quinine from aniline, an inexpensive and readily available coal tar waste product.
他试图用苯胺批量制造奎宁,苯胺是一种廉价且容易获得的煤焦油废料。
Millions of tonnes of carbon dioxide could be prevented from entering the atmosphere following the discovery of a way to turn coal, grass or municipal waste more efficiently into clean fuels.
科学家们发现一种能将煤炭、杂草及城市垃圾更有效地转化为清洁燃料的方法,这或许能阻止成百万吨二氧化碳进入大气层。
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