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棉纤维素辐射降解的后效应

Aftereffect in the Radiation Degradation of Cotton Cellulose

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【作者】 宫宁瑞常德华张剑蓉刘继华

【Author】 Gong Ningrui; Chang Dehua; Zhang Jianrong; Liu Jihua (School of Chemical Engineering and Materials Science, Beijing Institute of Technology, Beijing 100081)

【机构】 北京理工大学化工与材料学院

【摘要】 研究棉纤维素的辐射降解的后效应.方法用毛细管粘度计法在不同时间测定经60Co射线和高能电子辐射后棉纤维素的粘度.结果辐射后一段时间内棉纤维素的粘度不断降低,15d左右时恒定.结论棉纤维素存在辐射后效应,且辐射的总效应与吸收剂量的对数呈线性关系.

【Abstract】 Aim To determine the aftereffect in the degradation of cotton cellulose. Methods After being radiated by 60Co ray and high energy electron, the viscosity of cotton cellulose were determined at different times by capilary viscometry . Results The viscosity of cotton cellulose decreased continuously at first , and kept constant after 1 5 days. Conclusion Cotton cellulose has radiation aftereffect, and there is a linear relationship between the logarithm of absorption doses and the total effect .

【关键词】 棉纤维素辐射辐射后效应
【Key words】 cotton celluloseradiationradiation aftereffect
  • 【文献出处】 北京理工大学学报 ,JOURNAL OF BEIJING INSTITUTE OF TECHNOLOGY , 编辑部邮箱 ,1998年05期
  • 【分类号】O631.34
  • 【被引频次】10
  • 【下载频次】129
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