It deduces a formula for calculation and draws the curve of the charge.
并推导出有关计算公式，给出图表曲线。
Gives a formula for calculation of crude oil molecular weight and compares the results calculated from crude oil samples.
给出了一个原油分子量计算公式，并对原油样品的计算结果进行了比较。
Based on the generalization of river pollution sources, a method and a formula for calculation of water environment capacity are proposed.
在对河段污染源进行概化的基础上提出纳污能力的计算方法及计算公式。
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