Figure 4. Animal test to identify and resolve the problem of indoor oxygen deprivation/carbon dioxide buildup due to breathing (top). Measured activity of rats with and without a circulating air purification system (bottom). (IMAGE)

Seoul National University College of Engineering

Figure 4. Animal test to identify and resolve the problem of indoor oxygen deprivation/carbon dioxide buildup due to breathing (top). Measured activity of rats with and without a circulating air purification system (bottom).

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Figure 4. Animal test to identify and resolve the problem of indoor oxygen deprivation/carbon dioxide buildup due to breathing (top). Measured activity of rats with and without a circulating air purification system (bottom).

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© Seoul National University College of Engineering

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