In the hydrometer analysis ,the “size” of a particle is the diameter of a sphere which settles in water at the same velocity as the particle.
In the hydrometer analysis ,the “size” of a particle is the diameter of a sphere which settles in water at the same velocity as the particle.
在比重分析中,粒子的大小是和粒子以同等速度在水中下沉的球体的直径.