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Purification project - operating room
  Purification project - operating room
  Practice has proved that the patients were infected at the time of surgery to prevent, depends critically on the air conditioning system, the fan mode design, as well as the quality of construction of the duct system, fed into the indoor clean air to ensure the operating table of regional air cleanliness,patients the chance of infection is minimal. 点图放大
 Clean operating room space air cleanliness and bacteria concentration table
Grade Air cleanliness level Concentration of bacteria
Corresponding concentration Level ≥ 0.5 μm number of particles / cubic meter Planktonic bacteria / cubic meter Settlement bacteria(piece/φ90 Petri dish 30min)
International System of Units Imperial Units
M3.5 100 grade ≤3500 ≤5 ≤1
M4.5 1000 grade ≤35000 ≤75 ≤2
M5.5 10000 grade ≤350000 ≤150 ≤5
M6.5 100000 grade ≤3500000 ≤400 ≤10
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