نتایج جستجو برای: air pollutant
تعداد نتایج: 218528 فیلتر نتایج به سال:
Low-cost urban air quality sensor networks are increasingly used to study the spatio-temporal variability in air pollutant concentrations. Recently installed low-cost urban sensors, however, are more prone to result in erroneous data than conventional monitors, e.g., leading to outliers. Commonly applied outlier detection methods are unsuitable for air pollutant measurements that have large spa...
A physical modeling approach for identification of source regions of primary and secondary air pollutants J. C. F. Lo, A. K. H. Lau, Z. B. Yuan, J. C. H. Fung, and F. Chen Atmospheric, Marine and Coastal Environment Program, The Hong Kong University of Science and Technology, Hong Kong, P. R. China Environmental Central Facility, Institute for the Environment, The Hong Kong University of Scienc...
THE ENVIRONMENT AND THE LUNG 27S daily symptoms to daily levels of air pollutants, and 2) to act as a surveillance tool for acute respiratory illness (AR!). The ARIs were detected with the aid of the daily diaries and when a child was detected with an AR! he/she was called to the clinic for direct observation. If it was a true AR!, pulmonary function tests were conducted twice during the sympto...
ii Selected abbrevations iv Sammanfattning på svenska v Original Papers vi Introduction 1
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