论文部分内容阅读
据卫生部卫监字(89)第3号文件规定:《标准对数视力表》于1990年5月起在全国实施。据此精神,“标准视力表灯”应运而生,不少厂家竞相生产,作者所知就温州医学院监制的已有近10种。根据厂家介绍,现对温州医学院监制的6种产品进行比较。(仅将产地名称及主要技术参数列出)一、温州市震旦电子仪器厂产,温州医学院缪天荣教授监制。价230元,运费15元。①灯表照度大于1200LX,照度误差不大于20%。②照明用6只8W 日光灯,横置。用电子镇流器。二、温州震旦电子仪器厂产,温州市医学院缪天荣教授监制,价230元,运费15元。①照度大于
According to the Ministry of Health Wei Jian Zi (89) No. 3 documents: “standard logarithmic visual acuity chart” in May 1990 in the country. According to this spirit, “standard vision lamp” came into being, many manufacturers competing in production, the author knows about Wenzhou Medical College produced nearly 10 species. According to the manufacturer’s introduction, the six products produced by Wenzhou Medical College are now compared. (Only place of origin and main technical parameters are listed) 1. Wenzhou Aurora Electronic Instrument Factory Produced by Professor Miu Tian Rong from Wenzhou Medical College. Price 230 yuan, shipping 15 yuan. ① lamp illumination greater than 1200LX, illumination error of not more than 20%. ② lighting with 6 8W fluorescent lamps, horizontal. With electronic ballast. Second, Wenzhou Aurora electronic equipment factory production, Wenzhou City Medical School Professor Miu Tian Rong producer, price 230 yuan, shipping 15 yuan. ① illumination is greater than