真实密度

根据油水混合物的真实密度值也能较精确地确定其含水率，计算式的误差小于3%。

A dimensionless variable is defined and a new calculation model of water volume fraction is deduced to accurately measure water volume fraction in oil-water two-phase flow according to the real density of the mixture .

焦炭－－真实相对密度、视在相对密度和孔隙度的测定

Coke - determination of true relative density , apparent relative density and porosity

但若假设的概率密度函数与真实概率密度函数差异较大，源信号将不能被正确分离。

However , the assumption that the probability density function and a real probability density function different , the source will not be the correct signal separation .

结果表明，侵蚀初期的真实电流密度决定铝箔蚀孔的尺寸和表面膜，大电流在铝箔表面产生厚膜，阻碍交流电侵蚀的阴、阳极反应过程和蚀孔深入。

The results showed that the current density of AC has definite effect on the initial pit growth size and etch film of pits in etched Al foil .

证实了铝阳极溶解时活性溶解区的面积是外加阳极极化电流的线性函数，真实电流密度实际上并无变化，因此电位也无变化。

These results support such a proposition that the active area during anodic dissolution is a linear function of the applied anodic current while the real anodic current density remains practically unchanged so that the potential is also unchanged .

用SRK方程计算真实气体的密度

Calculating the Density of real gas Using SRK equation

然而由于受地电流耦合信号的影响，往往不易测得样品的真实发射电流密度信号。

Because of the influence of the coupled signal led by the earth-current , it is difficult to obtain the true signal of the samples .

在此基础上改进的算法被用于真实火箭燃气射流密度场的三维重建中。

Based on the modified algorithm , the three-dimensional reconstruction for density field of the real rocket exhausted plumes is carried out .

传统边界元方法以真实边界上的密度函数或者矩密度函数为未知量，虚边界元方法以虚拟边界上的虚拟密度函数或虚拟矩密度函数为未知量。

The traditional BEM based on potential theory takes the density function on the real boundary as unknown quantity , while the virtual BEM takes the virtual density function on the virtual boundary for unknown quantity .

制备的泡沫金属锂具有几倍于平面锂电极的真实表面积，在相同的充放电条件下，其电极表面的真实电流密度将成倍减小。

The foam lithium has several times larger surface than lithium foil . In the same charge and discharge current conditions the real current densities on the surface will be decreased .