نتایج جستجو برای: air quality detectors
تعداد نتایج: 965377 فیلتر نتایج به سال:
Background and purpose: Indoor air pollution in developing countries is considered as one of the main problems in healthcare. This study aimed at investigating the levels of indoor/outdoor air pollutants in Khorramabad during autumn and winter 2012. Materials and methods: In a cross-sectional study, nine gas concentrations and particulate pollutants were measured using air pollution measuring ...
Introduction: Due to more than 1.7 million population, many vehicles and large industries around Isfahan, it has become one of the most polluted cities in Iran. The aim of this study was a spatial analysis of the concentrations of air pollutants and the air quality index (AQI). Materials and Methods: In this descriptive and evaluative study, the air quality data of 7 monitoring stations in 201...
Safeguarding and checking of air quality has becoming a most important practice in various modern metropolitan zones now days. The behaviour is unfavourably influenced by types contamination that we get the transportation production power, natural resources utilizes so for emission different poisonous gases making major danger personal life urban communities. getting expanded day day. Our main ...
The air fluorescence detectors (FDs) of the Telescope Array (TA) experiment have been constructed in a dessert of Utah, USA. We can measure the longitudinal developments of EASs directly with the FDs by detecting air fluorescence lights and determine the primary energies of ultra-high energy cosmic rays. In order for accurate observation and measurements of EASs, elaborate detector calibrations...
The submitted paper deals with the problems of trapping and enriching the gases and aerosols of the substances to be determined in the ambient atmosphere. Further, the paper is focused on the working principle of the miniaturized portable continuous concentrator we have designed and the possibilities of its application in air sampling and accumulation of organic and inorganic substances with wh...
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