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1 引言1981年美国Kronenberg和McLaughlin等首先使用辐射变色三苯甲基氰化物无色染料溶液和含氟塑料细管研制出0WG(0ptical Wave-Guide)辐射剂量计,1983年美国远西技术公司就批量生产5cm长的FWT—70 OWG辐射剂量计及与之配套的FWT-98专用读数计,使之迅速达到了实用化阶段。该剂量计的研制之所以能发展如此迅速,是由于其具有尺寸小、结构坚固、辐照前后存放稳定性好,操作使用方便,剂量复盖范围适中(10—10~4Gy),很适合于某些辐射加工领域尤其是食品辐射加工中的吸收剂量监测及质量控制。
1 Introduction In 1981, the United States Kronenberg and McLaughlin first developed a 0WG (0ptical Wave-Guide) radiation dosimeter using radiation-free tricholoromethyl cyanide leuco dye solution and fluorine-containing plastic thin tube. In 1983, Far West Technology Mass production of 5cm long FWT-70 OWG radiation dosimeter and its accompanying FWT-98 dedicated meter, so quickly reached the practical stage. The development of the dosimeter so rapid development, is due to its small size, solid structure, good storage stability before and after irradiation, easy operation, dosage coverage range (10-10 ~ 4Gy), it is suitable for In some areas of radiation processing, especially in the radiation treatment of food, dose monitoring and quality control.