differential particle flux density
apparent particle density
effective particle density
Particle density
颗粒密度
粒子密度
颗粒浓度
颗粒浓度。
粒子数密度
数浓度
粒密度
real time ultrasonic particle monitor
ultrasonic particle monitor
absolute neutron flux density
adjoint of the neutron flux density
air-gap magnetic flux density
axial neutron flux density distribution
axially nonuniform heat flux density
axially uniform heat flux density profile
bundle average mass flux density
chopped heat flux density profile