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首页> 外文期刊>Applied radiation and isotopes: including data, instrumentation and methods for use in agriculture, industry and medicine >Effect of Irradiation Dose, Storage Time and Temperature on the ESR Signal in Irradiated Oat, Corn and Wheat
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Effect of Irradiation Dose, Storage Time and Temperature on the ESR Signal in Irradiated Oat, Corn and Wheat

机译:辐照剂量,储存时间和温度对辐照燕麦,玉米和小麦中ESR信号的影响

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摘要

Results obtained for electron-irradiated oat, corn and wheat kernels are discussed. The applied irradiation doses were up to 160 kGy. For doses up to approx 50 kGy the number-of free radicals produced by the irradiation is linear with the absorbed dose; moreover, the decay at room temperature in the dark or in the presence of light is quite similar. These facts point to the possible use of these kernels as dosimeters. An analysis of the free radical decay as a function of time and temperature showsthe contribution of at least three types of radicals, whose half-lifes, radiochemical yields and activation energies are given.
机译:讨论了用电子辐照的燕麦,玉米和小麦籽粒获得的结果。施加的辐照剂量高达160 kGy。对于高达约50 kGy的剂量,辐照产生的自由基数量与吸收剂量成线性关系。此外,在黑暗中或在有光的情况下,室温下的衰减非常相似。这些事实表明可以将这些内核用作剂量计。自由基衰变随时间和温度变化的分析表明,至少有三种类型的自由基具有一定的作用,并给出了半衰期,放射化学产率和活化能。

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