1、2700 英文单词， 1.4 万英文字符 ，中文 4150 字 文献出处： Silvia Vilekov, Kapalo P , udmila Meiarov, et al. Investigation of Indoor Environment Quality in Classroom - Case Study J. Procedia Engineering, 2017, 190:496-503. Investigation of Indoor Environment Quality in Classroom - Case Study Silvia Vilekov, Peter Kapalo
2、, udmila Meiarov, Eva Krdlov Burdov,Veronika Imreczeov Abstract The experimental monitoring of indoor air temperature, relative humidity, and carbon dioxide were carried out for the investigation of real state of the indoor environment in selected classrooms during winter and summer semester. Concur
3、rently subjective evaluation by questionnaire was conducted. The average value of indoor air temperature was 23.1C, relative humidity 41.15 % and CO2 concentration 1315.88 ppm in winter semester. The average value of indoor air temperature was 24.8C, relative humidity 36.28% and CO2 concentration 10
4、94.62 ppm in summer semester. Results of objective and subjective assessment show that it is important to propose optimization measures for reducing the CO2concentrations and thermal load in summer period. Keywords: Classroom; indoor environment; monitoring; physical factors; chemical factors; subje
5、ctive perception 1. Introduction People spend up to 9095% of their time inside buildings, and it is estimated that at least 30% of nonindustrial buildings can be considered to exist as problem buildings, many of them due to indoor air pollution 1.Characterization of indoor air quality in school clas
6、srooms is crucial to childrens health and performance 2. Classrooms can be contaminated by various indoor pollutants, such as allergens, particles, volatile organic compounds etc. Indoor air pollution can lead to long-term and short-term health problems for students and staff but also can lead to decreasing productivity 3.Good indoor air quality (IAQ) is important to ensure improved performance and productivity of students and teachers 4. According to study 5 durin
