研究人员使用的方法是将咖啡渣隔夜使其干燥，然后放入一些常见的化学溶剂中，例如正己烷、乙醚和二氯甲烷，来溶解咖啡渣中的油类成分。
The researchers start off by drying their coffee grounds overnight and then pour in some common chemical solvents, such as hexane, ether and dichloromethane, to dissolve the oils.
第三，还可以通过在水泥中加入更多的添加剂以减少生产中会产生大量二氧化碳的溶渣的比例。
Third, they are mixing more additives into their cement, and so reducing the proportion of emissions-intensive clinker.
疣体较大者，可用涂药包渣，第二天除去再上药。
Large warts, can be coated cartridge slag, second days removed.
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