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《Acta Agriculturae Boreali—Sinica》 2004-01
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Effect of Temperature on Attenuation Rate of Ozone Atmosphere

WANG Wen-sheng~1,LUO Yun-bo~1,SHI Zhi-ping~2,QIAO Run-lin~2 (1.College of Food Nutrition and Engineering,China Agricultural University,Bejing100083,China; 2.National Engineering and Technology Research Center for Preservation of Agricultural Products,Tianjin300384,China)  
Attenuation rate of ozone atmosphere in storage store at 0.5,5,10,15,20 ℃ was determined. The result showed that attenuation rate of ozone apparently became lower as the temperature decreased. Ozone concentration reduced from 25.5 mg/m~3 to 19.5 mg/m~3 after 40 min at 0.5 ℃,namely attenuation rate was 23.5%. While attenuation rate of ozone was 35%,39.7%,62.9%,75.8% after 40 minutes at 5,10,15,20 ℃,respectively. Whatever temperature is,high concentration ozone atmosphere had higher attenuation quality than that of low concentration ozone atmosphere.Half-life of ozone acquired by regression equation was 66,64,47,28,20 min at 0.5,5,10,15,20 ℃ respectively.
【CateGory Index】: S379
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