【摘要】 本文介绍了激光测粒原理及高次衍射现象产生的原因，分析了高次衍射对激光测粒产生的影响，讨论了获得最大有效信号强度时颗粒在分散相中的最佳体积浓度。更多还原

【Abstract】 This paper has intruduced the principle of Laser-Size and the reason how higher diffraction come into being,deived higher diffraction strength dispersing formula,analysed the influence of higher diffraction to Laser-Measuring-Size,and discussed the optimized volume consistency of grain in dispersion phase for obtaining the maximum signal strength.更多还原