Particle number density
Aerosol particle number concentration
Air particle number counting method
apparent particle density
charged particle density distribution
effective particle density
eigenvectors of particle number operator
fluctuation of particle number
impurity particle number
number of particle density
Particle density
数浓度
颗粒密度
粒子密度
粒子数密度
粒密度
颗粒浓度
颗粒浓度。
particle density operator
Particle Number Concentration
particle number conservation law