用标准提及的方法收集到的活微生物粒子，通过专用的培养基，在适宜的生长条件下繁殖到可见的菌落数。
就洁净室中沉降菌测试时间的长短进行了探讨。
In this paper, the test time of sedimentated bacteria in the cleaning room was discussed.
空气中尘埃粒子数、沉降菌及物品表面细菌菌落数均达到国家标准。
The counts of dust particles and the CFU of sedimentary bacteria in the air of COA and the CFU of surface b...
结论手术过程中洁净手术室空气细菌污染严重，限制手术人员活动和人数可降低沉降菌密度。
Conclusion the contamination of air in the operating room is severe, the restriction of the activity and the number of staff in the operating room can reduce the precipitating bacterial density.
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