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一种在夜间不需用电、可为人们夜间生产和生活带来安全与方便的超长余辉发光新材料，通过了四川省科技厅主持的专家技术鉴定。此发光新材料的主要指标，均达到了国内同类产品的领先水平，在超细粉和耐水性方面达到了国际先进水平。由四川新力集团研制成功的 XL型稀土超长余辉蓄
A kind of new long afterglow luminescent material which is safe and convenient for people to produce and live at night without using electricity at night, has passed the technical appraisal of experts presided over by the Science and Technology Department of Sichuan Province. The main indicators of this new luminous materials, have reached the leading domestic level of similar products in the ultrafine powder and water resistance reached the international advanced level. Developed by the Sony Group of Sichuan XL long rare earth afterglow storage