bulk volume density

The difference between amount per unit volume and bulk density of refractory castable in definition is pointed out, a testing method of amount per unit volume of refractory castable is introduced.

指出了耐火浇注料单位体积用量与体积密度定义上的区别，介绍了一种测试耐火浇注料单位体积用量的试验方法。

Vermiculite adding can compensate for part of the ceramic volume contraction, improve shapes and structure of pore, improve porosity, lower bulk density and improve the rate of powder resistance.

蛭石的添加，可以补偿部分陶粒体积收缩，且能改善陶粒孔型和结构，提高显气孔率，降低体积密度，提高陶粒抗粉化率。

Bulk density is defined as the weight per unit volume of loosely tipped fuel.

堆积密度是指每单位重量的体积松散倾斜燃料。