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Transmission of airborne bacteria is the main factor causing surgical site infection (SSI). Previous researches have provided evidence of relationships between cleanness of room air and incidence of SSI, but little work has been done to verify the numerical simulation results of particle dispersion. This paper focuses on the airborne transmission of bacteria in two operating rooms during two surgeries:...
This paper analyzes various methods of disposal of municipal solid waste in China, including refuse incineration, garbage power and landfill technology. Based on the conventional pyrolysis principle, a new apparatus has been developed for waste disposal in China. It is especially useful in China as the waste is not sorted. The experiment shows that the concentration of dioxins meets the emission standard...
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