effects of environmental pollution ppt

... Trang 3Prof Ahmed Mansour, Ph.D.Professor of Pediatrics Vice Dean Mansoura Faculty of Medicine Prof Ahmed Mansour, Ph.D. Professor of Pediatrics Vice Dean Mansoura Faculty of Medicine Trang ... cycles • Pollution agents or activities producing damage in the environment damage the entire ecosystem Trang 9Types of Water PollutionAccording to number of sources: •Point-source pollution ... Non-point-source pollution : many sources According to the site of affection: •Local pollution : affects immediate area •Trans-boundary pollution : affects distant area (nuclear waste). Trang 10Types of

Ngày tải lên: 29/03/2014, 14:20

... selectivity SA of one possible chemical product A It is given by the ratio of its concentration (or number density of molecules etc.) and the sum of concentrations of all possible products of one reaction ... microwave plasma was induced in the form of a plasma “flame” at the open end of a rigid coaxial line, at the tip of its inner conductor The power-handling capability of coaxial-line-based microwave discharges ... corresponding energetic mass yield of up to 34.5 kg h-1 and 34.4 kg per kWh of microwave energy absorbed by the plasma, respectively 2.2 Plasma-based depollution by means of “cold” non-thermal plasmas

Ngày tải lên: 19/06/2014, 14:20

... Trang 1The Health Effects of Air Pollution Separating Science and PropagandaJOEL SCHWARTZ MAY 2 0 0 6 Trang 2The Health Effects 3 Does Air Pollution Cause Asthma? 6 Does Air Pollution Exacerbate ... of asthma, air pollution can exacer-bate pre-existing respiratory diseases Yet even here, the effects of air pollution have been overstated in popular accounts when compared with the weight of ... press release, the director of the National Institute of Environmental Health Sciences claimed the study “shows that current levels of air pollution have adverse effects on lung development in

Ngày tải lên: 29/03/2014, 18:20

... Trang 1MONITORING, CONTROL AND EFFECTS OF AIR POLLUTION Edited by Andrzej G Chmielewski Trang 2Monitoring, Control and Effects of Air Pollution Edited by Andrzej G Chmielewski Published ... Mugica Part 3 Air Pollution in Office and Public Transport Vehicles 119 Chapter 9 Emission and Formation of Fine Particles from Hardcopy Devices: the Cause of Indoor Air Pollution 121 David ... governs speciation of pollutants, as in the case of secondary acidification The methods of ambient air pollution monitoring based on modern instrumentation allow the verification of dispersion models

Ngày tải lên: 19/06/2014, 14:20

... deposition and dispersion of particles Of the various sources of TSPM pollution, line sources contribute more than other sources because of their lengths and nature of mining operations Among ... assessment of spatial and temporal variation of sulphur dioxide levels over Istanbul, Turkey Environmental Pollution, Vol 107, pp 61–69 Tichy, J (1996) Impact of atmospheric deposition on the status of ... belt—an effective means of mitigating industrial pollution Indian Journal of Environmental Protection Vol 17, pp 724–727 Sinha, S & Banerjee, S.P (1997) Characterisation of haul road in Indian

Ngày tải lên: 19/06/2014, 14:20

... Sub-report 2.1A of Synthesis and Assessment Product 2.1 by the U.S Climate Change Science Program and the Subcommittee on Global Change Research Department of Energy, Office of Biological & Environmental ... accounting for as much as 50% of the total nitrate of the CNTRL Trang 3Secondary Acidification 33 Fig 10 Spatial distributions of (left panels) gas phase fraction of nitrate (%) and (right panels) ... factor of coal-fired power plants (Zhang et al., 2009) Fig 11 Spatial distributions of the differences in the gas phase fraction of nitrate (%) (left panels) and total (dry + wet) deposition of

Ngày tải lên: 19/06/2014, 14:20

... view of the above, numerous attempts are being made to reduce the amount of HCHO in the air Few studies have been conducted, however, on the detection and the measurement of the amount of HCHO ... method, starting from raw materials of La2O3, SrO, and Fe2O3 The mixed powders were dried and were calcined at 1000ºC Trang 2Monitoring, Control and Effects of Air Pollution 52 The La1-xSrxFeO3 sensing ... number of active sites of oxygen through the replacement of La with Sr As shown in Figs 7 to 9, when the sensors were exposed to HCHO gas, their resistance increased As the reaction yield of the

Ngày tải lên: 19/06/2014, 14:20

... essential for the determination of their climatic effects, development of techniques for remote sensing of aerosol from space or the necessary correction of atmospheric effects in satellite imagery ... less than 10 % of cloud coverage over the study area Penang Island located on the northwest coast of Peninsular Malaysia Fig 1 The study area Trang 5Penang is one of the 13 states of the Malaysia ... portion of mainland called “SeberangPerai” in Malay Language Penang Island is an island of 293 square kilometres located in the Straits of Malacca and “SeberangPerai” is a narrow hinterland of 753

Ngày tải lên: 19/06/2014, 14:20

... International Journal Of Remote Sensing, 17 (17), 3477-3500 Makra, L and Brimblecombe, P 2004 Selections from the history of environmental pollution, with special attention to air pollution Part 1 ... imported about six million tons of crude oil in 2005 (Department of Statistics, 2010) Combustion of oil and other fossil fuel is recognized as a major source of air pollution in urban areas Several ... The negative health impact of air pollution has been widely studied in humans and animals Findings of several epidemiology studies pointed out that high levels of air pollution may result in several

Ngày tải lên: 19/06/2014, 14:20

... with a particular type of source, is used to identify and quantify the contributions of each source The model uses the complete model of chemical emissions of a category of specific source to ... parameters of R2, Chi2 and percentage of mass were in the acceptable interval The values of R2 fluctuated between 0.92 and 0.96 Likewise, the values of Chi2 were smaller than 4 The percentages of mass ... 6Monitoring, Control and Effects of Air Pollution 116 inaccuracies and focus further investigation on the areas of greatest uncertainty PCA and UNMIX apportioned one single source of mobile sources,

Ngày tải lên: 19/06/2014, 14:20

... efficiency of filter accessories”, Science of The Total Environment, 407: 418-427 Jang M., Kamens R.M (2001): “Characterization of secondary aerosol from the photooxidation of toluene in the presence of ... adverse effects of these particles to human health 6 Acknowledgements The authors like to thank the CSIR (COUNCIL OF INDUSTRIAL RESEARCH) project no: 231065/2K10/1, Dr F.M.Prasad, Principal of St ... due to proximity of users to the sources over extended periods of time The magnitude of emissions, the link from emissions to personal exposure, the toxicological significance of the chemicals

Ngày tải lên: 19/06/2014, 14:20

... surface of the solid material influencing its potential An absolutely serious scientific approach of the problem of confrontation of historic buildings and monuments decay because of air pollution ... unique and unprecedented fingerprints of human civilization form the natural and cultural heritage of a place, of a country, of a people, the peculiar features of a nation which characterize its ... conservation of works of art and antiquities is intended to: (a) the preservation of cultural heritage, (b) the deceleration of their deterioration processes and (c) the restoration, in some cases, of

Ngày tải lên: 19/06/2014, 14:20

... the interior of the Museum of Kavala: (on the top) before the injection of gaseous pollutants and (at the bottom) after the injection of gaseous pollutants Trang 2The characterization of the above-mentioned ... the interior of the Museum of Kavala showed that it is a marble mostly composed of dolomite and quite less of calcite; the opposite stands for the L291 statue from the exterior of the same Museum ... before the injection of gaseous pollutants and (at the bottom) after the injection of gaseous pollutants L351 STATUE OF KAVALA: AFTER L351 STATUE OF KAVALA:BEFORE Trang 3Air Pollution and Cultural

Ngày tải lên: 19/06/2014, 14:20

... Hopkins; N 2003"The Environmentalist: Living with Pollution in Egypt" [15] Abo El-Ela, A., The Impact of Environmental pollution on the Mosque of Al-Azhar and the complex of Al-Ghuri, In : ... start of the implementation of this decree in the Qaluibia and Giza governorates Such decree provides a new hope of the improvement of air quality and the first step of overcoming the problem of ... effective means of the non-replication of violations 6.5 The safe use of the treated sewage water in the irrigation of forests For further improvement of air quality and the reduction of dust and

Ngày tải lên: 19/06/2014, 14:20

... Location of Forts San Carlos and San Pedro at the historic center of San Francisco de Campeche City. Also location of INAH station is showed. Influence of Air Pollution on Degradation of Historic ... the historic center of the city of San Francisco de Campeche, and the building of the CICORR in the main campus of Autonomous University of Campeche. The level of total suspended particles (TSP) ... maximum permissible limit of 240 µg.m -3 According to Mexican Legislation. Influence of Air Pollution on Degradation of Historic Buildings at the Urban Tropical Atmosphere of San Francisco de Campeche

Ngày tải lên: 19/06/2014, 14:20

... sense of the kind of sounds that can be found and in the sense of the diversity of conditions 3 Taxonomical Organization of Environmental Sound 3.1 General Categorization A general definition of ... Nevertheless, most of the previous work on automatic analysis of environmental sounds deals with experiment-specific sets of sounds and does not make use of an established taxonomy The problem of using ... the perception of animal vocalizations seems to be the result of a specialization of the auditory system The distinction of musical sounds can be justified from a cultural point of view While

Ngày tải lên: 21/06/2014, 08:20

... types of environmental loading are simulated by use of the finite element method In the material model applied, the orthotropic structure of the wood material is considered The differences of properties ... (1993) Study of the relation between flat-wise and edgewise modulus of elasticity of sawn timber for the purpose of improving mechanical stress grading methods Diploma work, University of Hamburg, ... which affects the behaviour of wood is spiral grain, causing the direction of the fibres to deviate from the longitudinal direc-tion of the tree Furthermore, the behaviour of wood is strongly affected

Ngày tải lên: 08/08/2014, 18:21

... Quantification of the Effects of Air Pollution Health in the United Kingdom. DoH. ISBN: 0 11 322102 9, 1998. The burden of disease attributable to environmental pollution 11 4.3 Burden of allergic ... BURDEN OF DISEASE ATTRIBUTABLE TO ENVIRONMENTAL POLLUTION Professor Ian Mathews and Dr Sharon Parry Department of Epidemiology, Statistics, Public Health University of Wales College of Medicine ... prevalence of asthma in different age groups is shown below. The burden of disease attributable to environmental pollution 40 prevalence of mental retardation: a critical review of recent...

Ngày tải lên: 17/02/2014, 10:20

... concentration of Cu and Ni in the humus layer was used as an indirect pollution explanatory variable owing to the lack of any direct measurements of the pollution impact. Statistical analysis of ground ... the effects of pollution on e.g. terrestrial ecosystems. In this paper we address the hypoth- esis that there is a differentiation in the impact and geographical distribution of the effects of ... north-east of the Nikel smelter, while there was no indication of any pollution effect on the Norwegian plot N5 11.9 km west of the smelter (Fig. 6). This can be explained on the basis of the...

Ngày tải lên: 17/02/2014, 22:20

... does not account for the effects of air pollution policies on overall demand for fossil fuels and on the choice of fuels (coal, oil, gas), nor have we considered the effects of caps on black carbon ... consideration of control policies applied to local air pollution and global climate. It also provides the capability to assess the effects of air pollution on ecosystems, and to predict levels of irritants ... studies of costs of meeting near-term air pollution control to the more aggregated structure, and longer time horizon, of models used to examine climate policy. In Figure 3 we show the ratios of the...

Ngày tải lên: 17/02/2014, 22:20