The results showed the surface contamination produced in sample preparation and treatment can be eliminated if the sample was sputtered for enough time.
In order to know the condition of microorganism contamination of hospital air in Shenyang, plate sedimentation method was used to sample and examine the indoor air in 71 hospitals.
为了解本市医院空气微生物污染情况，采用平板沉降法对71所医院室内空气进行了采样检测。
3
Actual work situation and oil sample inspection proofed that the oil contamination of hydraulic system is effectively controlled and the work reliability and life of the bench are further increased.