نتایج جستجو برای: modelling and air pollution

تعداد نتایج: 16910488  

Due to the complexity of air pollution action, artificial intelligence models specifically, neural networks are utilized to simulate air pollution. So far, numerous artificial neural network models have been used to estimate the concentration of atmospheric PMs. These models have had different accuracies that scholars are constantly exceed their efficiency using numerous parameters. The current...

Journal: :Thorax 1995
H R Anderson E S Limb J M Bland A Ponce de Leon D P Strachan J S Bower

BACKGROUND In December 1991 London experienced a unique air pollution episode during which concentrations of nitrogen dioxide rose to record levels, associated with moderate increases in black smoke. The aim of this study was to investigate whether this episode was associated with adverse health effects and whether any such effects could be attributed to air pollution. METHODS The numbers of ...

2015
Joon Young Ahn

Steering Committee at NIER: You Deok Hong (Air Quality Research Division) Joon Young Ahn (Air Quality Research Division) Chang-Keun Song (Air Quality Forecasting Center) Lim-Seok Chang (Air Quality Forecasting Center) Jeong-Hoo Park (Air Quality Forecasting Center) Sang-Kyun Kim (Global Environment Research Division) Jaehyun Lim (Global Environment Research Division) Ji Young Kim (Air Pollution...

2017
Helen Hughes Alec Dobney Anne Fouillet Céline Caserio-Schönemann Thomas Hughes Gillian E. Smith Alex J. Elliot

Objective To assess the impact on human health observed in association with periods of poor air quality which extended across international borders, affecting both London (UK) and Paris (France). In particular to quantify increased levels of emergency department (ED) attendances for asthma and wheeze/ difficulty breathing, and how different age groups were affected. Here, using ED syndromic sur...

Journal: :global journal of environmental science and management 2015
r.n. lohe b. tyagi v. singh p. tyagi d.r. khanna

although water and land pollution are very dangerous, air pollution has its own peculiarities due to its transboundary dispersion of pollutants over the entire world. in any well planned urban set up, industrial pollution takes a back seat and vehicular emissions take precedence as the major cause of urban air pollution. in the present study, air pollution tolerance index was calculated for var...

In this research, the effect of air pollution due to combustion of diesel oil on the performance parameters of mono-crystalline silicon (mc-Si) and polycrystalline silicon (pc-Si) photovoltaic solar panel is investigated in laboratory scale. Experiments were conducted in a solar simulator that was equipped with a chamber to control the air pollution. The air pollution is generated through the c...

2009
P. Thunis G. Triacchini L. White G. Maffeis M. Volta

The Po-valley located in northern Italy at the footstep of the Alps is characterized by a high density of anthropogenic emissions and by the frequent occurrence of stagnant meteorological conditions. The area has been identified as one hot spot place where pollution levels will remain problematic in spite of the application of the current European legislation devoted to air pollution control. B...

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