高温燃烧使得炭灰(富含硅和铝)和硫化钙熔为一体，从而产生固体残渣，从锅炉底部溢出。
The high combustion temperatures melt together the coal ash (largely silica and alumna) and calcium sulfide solids to form an inert slag that drains from the bottom of the boiler.
该文对这一方法进行了改进，采用浓缩水样以提高待测元素的含量，并加入二氯化钙作为释放剂来消除硅的干扰。
An improvement on the method is made by using concentrated water sample in order to increase the concentration of trace elements in the samples.
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