正电子寿命谱实验，证实了辐化体系中的能量转移和辐射保护效应及此经验公式的有效性。
The energy transfer and radiation protection effect in radiation chemical system and the efficiency of our empirical formula have been verified by o-ps lifetime experiment.
增加透明度。防紫外线。减少辐射，有效延长镜片的使用寿命，减轻对眼睛的伤害。
It also can add the diaphaneity, UV protection and reduce radiation. It will increase of service life effectively, limit the damage to eyes.
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