控制基质质量含水率在45%左右的条件下，用幂函数和线性函数预测基质电导率都获得了较高的精度。
When the water mass fraction of the substrate is about 45%, its EC can be predicted accurately by both the power function as well as the linear function models.
通过受力情况和结构特性的分析，推导出了沉积物空隙率的函数表达式，在此基础上，给出沉积物质量与体积的换算关系。
It has deduced the mathematical function of the sediment void ratio on the basis of stress and structure analysis, and then the mass and volume conversion of deep bed filtration sediment is given.
随着中间包坩埚中金属熔体液面的降低，熔体质量流率不断减小，从而使雾化锥喷雾密度函数发生改变。
The research results show that, when the melt in the tundish is decreasing, the mass flow rate of melt will decrease, and so the spray density function will change.
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