نتایج جستجو برای: amongst which the air pollution so

تعداد نتایج: 16151901  

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه یزد - دانشکده جغرافیا 1392

the west of esfahan province, iran, is one of the most important agricultural areas throughout the country due to the climate variability and life-giving water of zayanderood river. rice is one of the major and economic crops in this area. the most important climatic elements in agricultural activities which should be considered include temperature, relative humidity, precipitation and wind. so...

Journal: :iranian journal of public health 0
dongwook sohn hyunjin oh

background: air pollution has been a serious public health threat worldwide. it has been linked to pulmonary and cardiovascular diseases but is also believed to contribute to air-pollution-mediated cardiometabolic disease such as diabetes. we investigated the relationship between type 2 diabetes mellitus (dm2) and air pollution in densely developed urban settings in south korea, using national ...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه ارومیه - پژوهشکده ادبیات 1393

testing plays a vital role in any language teaching program. it allows teachers and stakeholders, including program administrators, parents, admissions officers and prospective employers to be assured that the learners are progressing according to an accepted standard (douglas, 2010). the problems currently facing language testers have both practical and theoretical implications but the first i...

Recently, indoor air quality has attracted the attention of policymakers and researchers as a critical issue like that of external air pollution. Indoor air quality is more important as people spend time longer indoors than outdoors. Indoor environments are closed compared to external environments providing less opportunity for the pollutants to dilute. The emissions contain many substances tha...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه مازندران 1388

target tracking is the tracking of an object in an image sequence. target tracking in image sequence consists of two different parts: 1- moving target detection 2- tracking of moving target. in some of the tracking algorithms these two parts are combined as a single algorithm. the main goal in this thesis is to provide a new framework for effective tracking of different kinds of moving target...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه رازی - پژوهشکده علوم 1388

heteropoly acids (hpa) and their salts have advantages as catalysts which make them both economically and environmentally attractive, strong br?nsted acidity, exhibiting fast reversible multi-electron redox transformations under rather mild conditions, very high solubility in polar solvents, fairly high thermal stability in the solid states, and efficient oxidizing ability, so that they are imp...

Journal: :محیط شناسی 0
محمد حسن فطرس دانشگاه بوعلی سینا همدان ، دانشیار دانشکده اقتصاد و علوم اجتماعی مهدی فردوسی دانشگاه بوعلی سینا همدان، کارشناس ارشد اقتصاد، دانشکده اقتصاد و علوم اجتماعی حسین مهرپیما دانشگاه بوعلی سینا همدان ، کارشناس ارشد اقتصاد، دانشکده اقتصاد و علوم اجتماعی

nowadays, issues of environment degradation sourcing in human actions and economic activities are of crucial worldwide subjects that all societies are concerned with them. its importance is not only of the natural resources systems’ aspects, but it is also crucial from the socio-economic point of view. so, environmental subjects have considerable role in sustainable development process. iran as...

2009
Brendon Barnes Angela Mathee Elizabeth Thomas Nigel Bruce

Indoor air pollution due to the indoor burning of polluting fuels has been associated with Acute Lower Respiratory Infections (ALRI) amongst children less than five years old. This paper reviews evidence of the association between household energy, indoor air pollution and child ALRI in South Africa. Studies show evidence consistent with the international literature with the likelihood of ALRI ...

Journal: :iranian journal of environmental sciences 0
seyyed mansour seyyednejad professor of plant physiology, department of biology, faculty of science, shahid chamran university of ahvaz, ahvaz, iran hossein motamedi professor of microbiololgy, department of biology, faculty of science, shahid chamran university of ahvaz, ahvaz, iran parinaz lordifard msc. student, department of biology, faculty of science, shahid chamran university of ahvaz, ahvaz, iran

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...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه سیستان و بلوچستان - دانشکده مهندسی عمران 1392

abstract in aggregate, active forms of reactive silica with mineral names are sometimes associated with sand and gravel in concrete mixture. alkali hydroxides originated from alkalis in the cement or other resources form an alkaline silica gel with this reactive silica which becomes swallowed and expanded during time causing damage to concrete. there have been growing researches on alkaline r...

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