application of regression equation in mathematic statistics of coal ash composition analysis;
目的分析医学硕士研究生学位论文中数理统计应用情况 。
the thermal properties of coke is a main indicator which determines its behavior in the blast and the coke ash composition is an important factor that impact coke′s thermal properties.
分析了焦炭灰分的组成及灰分中矿物质对焦炭热性质的影响方式。
coal ash composition analysis is an important item.