نتایج جستجو برای: and air pollution issues

تعداد نتایج: 16896479  

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه صنعتی اصفهان - دانشکده منابع طبیعی 1392

nowadays, air pollution is a global problem that has had significant growth by technology development, population growth andindustrial development. industrial development brought natural resources deterioration, more manufacturing products, and more environmental pollutants. if pollutant won’t be controlled, human-being and wildlife will face the critical risks. significant release and critical...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه ارومیه - دانشکده کشاورزی 1393

چکیده کنه تارتن دو لکه ای tetranychus urticae koch یکی از چندخوارترین آفات شناخته شده محصولات کشاورزی دنیا به حساب می آید. در این بررسی جمعیت تخم و مراحل فعال این کنه در شرایط آلودگی طبیعی و مصنوعی در برگ های 8 رقم لوبیا در سال 1392 در گلخانه و مزرعه تحقیقاتی دانشکده کشاورزی دانشگاه ارومیه موردمطالعه قرار گرفت. آزمایش به صورت طرح کاملاً تصادفی برای شرایط مزرعه در10 تکرار و برای شرایط گلخانه ای...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه تربیت مدرس - دانشکده فنی 1391

the study of air infiltration into the buildings is important from several perspectives that may be noted to energy and design of hvac systems, indoor air quality and thermal comfort and design of smoke control systems. given the importance of this issue, an experimental and numerical study of air infiltration through conventional doors and windows has been explored in iran. to this end, at fir...

Journal: :Medical Research Archives 2020

2001
AM van Tienhoven

Air pollution issues in South Africa were only brought to public attention in the late 1980’s when concern was expressed over the high emissions from industries on the Highveld (east of Johannesburg). Air pollution issues have since been raised in other parts of the country such as Durban and Cape Town. Although the research and monitoring of air pollution has been largely fragmented and uncoor...

Journal: :Environmental Health Perspectives 1985

Bilal Ahmad Sadaf Saqlain,

Urbanization is the process in which green space (fields, trees, wetlands, etc.) is converted into black space (concrete and asphalt). Urbanization occurs because people move from rural areas to urban areas. This usually occurs when a country is still developing. Slums and its consequences of overcrowding lack of sanitation, global warming, air pollution, water pollution and loss of forest cove...

Introduction: This study aimed to evaluate the most important public environmental issues and concerns, the public knowledge about these issues, as well as the quality of environmental issues in Rafsanjan, Iran. Materials and Methods: In this descriptive-analytical study, 384 people were randomly selected from Rafsanjan City and their public environmental issues and concerns were evaluated. Th...

پایان نامه :دانشگاه آزاد اسلامی - دانشگاه آزاد اسلامی واحد تهران مرکزی - دانشکده ادبیات و علوم انسانی 1390

abstract birbery and corruption and other criminal and as such is one of social phenomena , and i can firmly say that society is protected and safe from harm , this is criminal . eache community is familiar with these crimes and the crime associated ( direct or indirect ) with the political economic , social , and cultural beliefs and religious issues , especially with the community . admitted...

2004
J R Rouse

Exposure to indoor air pollution, resulting from the burning of biomass in homes (e.g. wood, agricultural residues, leaves and dung) has been linked to a number of acute respiratory infections (ARIs). ARIs are the biggest killer of children under five and responsible for 9% of the global burden of disease. This paper provides an overview of issues relating to indoor air pollution (IAP), describ...

نمودار تعداد نتایج جستجو در هر سال

با کلیک روی نمودار نتایج را به سال انتشار فیلتر کنید