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为保护学生视力,预防近视,提高学生夜自修学习能力。我站近年来曾对淮安县中学、前进中学、淮城中学、车桥中学及分散在家的学生夜自修人工照明情况进行了调查。现将调查情况报告如下: 一、调查方法为统一调查方法,本次照度测定是在学生正常自修期间进行,时间在每日19:30～21:30进行测定。学校教室选择学生集体自修的教室,测定教室四角桌面和灯下桌面五个点测定照度。每个学生夜自修桌面照明状况则取桌面四角和灯下五个点进行测定。在测定的同时还重点了解灯具类别、功率、数量、悬挂高度,
In order to protect students ’sight, prevent myopia and improve students’ self-study ability at night. In recent years, I station on Huai’an County Middle School, Qianjin Middle School, Huai Cheng High School, Che Qia Middle School and scattered at home, the night of self-study artificial lighting conducted a survey. Now the investigation report as follows: First, the survey method for the uniform survey method, the illumination measurement is carried out during the normal self-study, time in the daily 19:30 ~ 21:30 for determination. The school classroom chooses the student collective self-study classroom, determines the four corners of the classroom desk and lamp under the desktop five points measured illuminance. Each student night self-study desktop lighting status is taken four corners of the table and light five points were measured. In determining the same time also focus on understanding the type of lighting, power, the number of suspension height,