Significant difference exists between the sampling efficiency of gravity. plate and those of Andersen sampler and THK-201 sampler when they are used for sampling airborne bacterial particles.
对大气细菌粒子，用平皿沉降法分别与A·S采样器法、THK - 201采样器法测定的结果相比，有非常显著的差异。
The number density is obtained by transforming the aerosol quality density which is gained directly from Andersen stage sampler.
本文采用安德森分级采样直接获得的大气气溶胶质量密度换算成数密度。
The impact of sampling time on concentration of collected bacterium, fungus particles and mid-value diameter of particle number are studied by ANDERSEN bioparticle sampler in lab.
在室内用ANDERSEN生物粒子采样器进行了不同采样时间对采集空气细菌和真菌粒子浓度、粒数中值直径效果的研究。
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