论文部分内容阅读
中国眼镜协会1993年在成都举办的第六届全国眼镜产品展销订货会上,展出的眼镜类型和品种规格,比上届又有新的发展,几种新型镜片初成系列,大受用户欢迎。现将展销订货会上琳琅满目的眼镜产品里,采撷几种新型的成系列的镜片,以飨读者。 一、变色镜片 有光致变色镜和电致变色镜两种类型。前者受光照射时,镜片即变暗,离开照射光镜片即复明,而且变暗复明是可逆的;后者的变色特性则是根据外加电场强度与方向
China Optical Association in 1993 held in Chengdu, the sixth national glasses products exhibition orders, the types of glasses on display and specifications, than the last new development, several new series of lenses, greatly welcomed by users . Now the exhibition will be ordering an array of eyewear products, pick several new series into the lens to readers. First, the discoloration lens photochromic mirror and electrochromic mirror of two types. The former is exposed to light, the lens becomes dark, leave the light lens that is bright, and dim complex is reversible; the latter is based on the applied color strength and direction of applied electric field