高位发热量是指在氧弹中燃烧时，煤中的硫生成稀硫酸，煤中的氮生成稀硝酸;而在工业装置中燃烧时，硫生成二氧化硫，氮则成为游离氮。由测得的弹筒发热量减去稀硫酸生成热和二氧化硫生成热二者之差，再减去稀硝酸的生成热，得出的发热量称为高位发热量。
以坪湖煤矿洗精煤煤质化验结果为依据，探讨了该矿精煤灰分和高位发热量之间的相关关系，并得出其经验公式。
Based on the test data of clean coal of Penghu coal Mine, the correlation of ash and gross calorific value was discussed, and the empirical formula was educed in this paper.
通过对煤炭发热量因素的分析，提出用计算公式来预测煤炭高位发热量的回归方程，并就具体预测结果与实测作了比较。
Regression relation for computing the gross calorific value of coal is discussed through analysis of affected factors, the results between computing and test ware compared.
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