نتایج جستجو برای: modelling and air pollution
تعداد نتایج: 16910488 فیلتر نتایج به سال:
Road traffic is a serious problem in the Chamonix Valley, France: traffic, noise and above all air pollution worry the inhabitants. The big fire in the Mont-Blanc tunnel made it possible, in the framework of the POVA project (POllution in Alpine Valleys), to undertake measurement campaigns with and without heavy-vehicle traffic through the Chamonix and Maurienne valleys, towards Italy (before a...
OBJECTIVE To model the possible air pollution-related health impact of the 2005 oil depot fire at Buncefield, near London, UK, under alternative meteorological conditions to those experienced at the time. DESIGN Atmospheric dispersion modelling of the smoke plume was conducted under the range of meteorological conditions occurring throughout 2005 assuming constant particle emission rates. Pop...
the centralization of human activities is associated with different pollutants which enter into environment easily and cause the urban environment more vulnerable. regarding the importance of air pollution issue for tehran metropolis, many plans and regulations have been developed. however, most of them failed to decline the pollution. the purpose of this study was to pathologically analyze air...
Environmental pollution consists of different types of pollutants in air, soil, and water. Due to the fact that plants can respond to environmental pollution, they can be used as bio-indicators for environmental monitoring. Air pollution in areas with oil and gas refineries nearby is an important problem. This study aims to survey the effects of gas refinery air pollutants on Conocarpus erectus...
today, the cement industry is one of the major air polluting industries in the world. hence, in this study, owing to the importance and role of contaminants from the plant, an appraisal of the emission contributions in addition to other factors have been discussed. there are several reasons behind the importance of modeling air pollutants. first, the assessment of standards for air pollution, a...
Feature selection is considered as one of the essential steps in data pre-processing. However, all previous studies on predicting PM10 concentration Malaysia have been limited to statistical method feature selection, and none these used machine-learning approaches. Therefore, objective this research investigate influence variables prediction model by using wrapper compare performance different ...
Statistical data analysis on toxicity for air pollution problems is studied for the atmosphere with the various pollutant’s observations. In this paper Kriging techniques are explained for pollutant concentration, also forecast by Kriging methods. Approximate function called as system function is obtained by these techniques. An approach is mentioned for calculating weights for the given data. ...
INTRODUCTION Population-based epidemiological evidence suggests that exposure to ambient air pollutants increases hospitalisations and mortality from chronic obstructive pulmonary disease (COPD), but less is known about the impact of exposure to air pollutants on patient-reported outcomes, morbidity and progression of COPD. METHODS AND ANALYSIS The Subpopulations and Intermediate Outcome Meas...
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