1·Kind of measurement Net or gross calorific value, Wobbe index, Density and minimum air requirement.
测量种类净热值或总热值，华白指数，密度，最少空气需要量。
2·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.
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。
3·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.
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。