17 research outputs found

    Depth-dose distribution in potatoes with low-energy X-rays

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    Irradiation is known as a handful measure to inhibit potato sprouting, kill harmful bacteria, and increase preservation. The absorbed dose is one of the essential characteristics of the irradiation process. In this study, the depth-dose distributions in potatoes and polymethyl methacrylate were investigated under low-energy X-ray irradiation by using the Fricke dosimeter and Gafchromic film dosimeter. The dose rates required for the rays to penetrate in polymethyl methacrylate were compared with those in potatoes. Polymethyl methacrylate could be used as a phantom in measuring the depth dose delivered in potatoes. The difference in depth-dose distribution in potatoes between one-sided and double-sided irradiation was also investigated. The calculated dose uniformity ratio values are 5.8 and 1.9 for potatoes irradiating one-sided and double-sided

    Application of Positron Emitting Tracer Imaging System (PETIS) for Plant Research

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    食品照射の海外動向

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    FNCA Guideline on Development of Hydrogel and Oligosaccharides by Radiation Processing

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    FNCA電子加速器利用プロジェクトで研究開発が進められている超吸水材として乾燥地の土壌改良に有用なハイドロゲルと葉面散布による植物の成長促進効果が発現できるオリゴ糖類の放射線加工による作成についてのガイドラインである。2009年に初版が編纂されたが、2016年までの研究成果を反映させて、内容を更新した
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