详细评述了测定煤灰熔融性的新方法.New method of determining of coal ash is described.论述了煤灰熔融性温度与测试气氛、煤灰成分、矿物组成等因素之间的关系.The composition of coal ash and mineral matters obviously influence coal ash fusibility....
Heavy industry pollutes our rivers with noxious chemicals.重工业产生的有毒化学品会污染我们的河流。Heavy industry pollutes our rivers with noxious chemicals.重工业产生的有毒化学品会污染我们的河流。In understanding indoor air main volatile organic matter pollut...