【摘要】：目的　了解學(xué)校教室黑板的衛(wèi)生狀況。方法　調(diào)查寧波市區(qū)大中專、中學(xué) 1 695塊教室黑板的顏色、材質(zhì) ,并隨機(jī)抽查其中的 2 94塊黑板進(jìn)行尺寸、表面破損、講臺(tái)設(shè)置、黑板燈安裝、教室采光方向及在黑板燈開、關(guān) (或無(wú) )時(shí)的反射系數(shù)測(cè)定。結(jié)果　寧波市區(qū)大中專、中學(xué)教室黑板顏色、材質(zhì)以黑色磨砂玻璃為最多 ,其次為墨綠色、白色磁性金屬、黑色水泥、木材 ;教室黑板尺寸合格率僅為 1 4 .97% ,其表面反射系數(shù)合格率黑板燈開、關(guān) (或無(wú) )時(shí)分別為 75 .0 0 %、59.1 8% ,黑板燈安裝率為 62 .59% ;黑板面顏色、材質(zhì)及教室采光方向分別以墨綠色磁性金屬及雙側(cè)為好 ,黑板燈對(duì)黑板平均垂直照度有較好的效果。結(jié)論　鄭州市學(xué)校教室黑板設(shè)計(jì)、建造時(shí)需加強(qiáng)衛(wèi)生監(jiān)督管理
[Abstract]:Objective to understand the hygienic condition of blackboard in school classroom. Methods the color and material of 1695 blackboards in middle and high schools in Ningbo urban area were investigated, and 294 blackboards were randomly selected for size, surface breakage, podium setting and blackboard lamp installation. Classroom daylighting direction and measurement of reflection coefficient when blackboard lights are turned on, off (or without). Results the blackboard color and material were mostly black frosted glass, followed by dark green, white magnetic metal, black cement and wood, and the qualified rate of blackboard size was only 14.97%. The qualified rate of surface reflection coefficient of blackboard lamp is 75.00% when turned on (or without), and the installation rate of blackboard lamp is 62.59%. The blackboard surface color, material and classroom lighting direction are better than that of dark green magnetic metal and both sides, respectively. Blackboard lamp has good effect on average vertical illumination of blackboard. Conclusion the blackboard design of the school classroom in Zhengzhou should be strengthened in the construction of hygiene supervision and management.
【作者單位】： 浙江省寧波市衛(wèi)生監(jiān)督所 浙江省寧波市衛(wèi)生監(jiān)督所 浙江省寧波市衛(wèi)生監(jiān)督所
【分類號(hào)】：G478.1

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