水的硬度是由其含石灰盐和氧化镁的数量决定的。
The hardness of water depends upon the amount of salts of lime and magnesia which it contains.
中国是世界许多原材料的生产大国，其中包括镉、金、铟，铁矿、石灰、铅，锰、汞、钼、磷、盐、锡、钨、钒和锌。
It is the world's top producer of cadmium, gold, indium, iron ore, lime, lead, manganese, mercury, molybdenum, phosphate, salt, tin, tungsten, vanadium and zinc.
采用工业废石灰、煅烧磷及无机盐激发剂，加上短时粉磨处理以激发高钙灰，可显著改善其安定性，活性指标可达到S95矿渣粉水平。
If industry wastes lime, calcined gypsum and sulfate are grinded with the high-calcium fly ash, activity increases, soundness improves, and activity index can meets the demand for S95slag.
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