نتایج جستجو برای: natural resources and environment

تعداد نتایج: 16945331  

Esmaili Sari, Abbas, Ghasempouri, S.Mahmood, Hasani Tabatabei, Masoomeh, Shayegh, S,Shojaeddin, Zolfaghari, Ghasem,

Effect of Age, Gender, Years of Practice, Specialty and Number of Amalgam restorations on Mercury Concentration in Nails of dentists practicing in Tehran Dr. A. Esmaili Sari* - Gh. Zolfaghari** - S.M. Ghasempouri***- Dr. S.Sh. Shayegh****, Dr. M. Hasani Tabatabei***** * Associate Professor of Environment Dept., Faculty of Natural Resources and Marine Sciences, Tarbiat Modares University ** M.Sc...

Journal: :زن در توسعه و سیاست 0
منصور غنیان مربی گروه ترویج و آموزش کشاورزی دانشگاه کشاورزی و منابع طبیعی رامین(خوزستان) فضیله خانی دانشیار گروه جغرافیا و برنامه¬ریزی روستایی دانشکده جغرافیا، دانشگاه تهران مجتبی قدیری معصوم دانشیار گروه جغرافیا و برنامه¬ریزی روستایی دانشکده جغرافیا، دانشگاه تهران

non-renewable natural resources play an important role in sustainable development of developing countries such as iran. however, if natural resources are to be preserved for future generations, proper use of such resources will be imperative. women are one of the prime users of natural resources. this study assesses the conservational behavior of rural women and factors influencing such behavio...

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

flow in natural river bends is a complex and turbulent phenomenon which affects the scour and sedimentations and causes an irregular bed topography on the bed. for the reason, the flow hydralics and the parameters which affect the flow to be studied and understand. in this study the effect of bed and wall roughness using the software fluent discussed in a sharp 90-degree flume bend with 40.3cm ...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه شیراز - دانشکده ادبیات و زبانهای خارجی 1392

abstract i the purpose of this study was to launch a thorough investigation concerning the possibility of differing orientations to the writing proficiency construct by native and non-native english speaking teacher raters. it mainly revolved around the international english language testing system (ielts) that is widely administered and employed as a measure of general proficiency in englis...

Journal: :تحقیقات اقتصاد و توسعه کشاورزی ایران 0
کوروش روستا استادیار گروه ترویج و آموزش کشاورزی دانشگاه آزاد اسلامی واحد بیرجند محمد حاجی آبادی کارشناس ارشد ادارة کل منابع طبیعی استان خراسان جنوبی

the purpose of this present study is recognizing suitable extension methods and techniques influencing utilize knowledge, attitude and skills of natural resources perimeter sustainable management of natural resources. in this research sustainable management of natures resources is to struggle for prevention of changing renewable nature resources to lands agricultural, prevention of use more fro...

Journal: :Eos, Transactions American Geophysical Union 2000

Journal: :پژوهش های روستایی 0
فاطمه ایزدی دانش آموخته کارشناسی ارشد محیط زیست دانشگاه یزد علی اکبر کریمیان استادیار، دانشکده منابع طبیعی و کویر شناسی، دانشگاه یزد حمید سودایی زاده استادیار، دانشکده منابع طبیعی و کویر شناسی، دانشگاه یزد

today, environmental crises that human beings are faced with such as global warming, destruction of natural habitats, decrease of natural resources, increase of different sorts of pollution, growth of population and some other cases which influence human life are not deniable. although human has tried to reduce these crises, it takes a long time to eradicate them. so, we have to become familiar...

Mehrdad Farrokhi, Shahrzad Pakjouei, Vahideh Pouyesh, Zahra Abbasi Dolatabadi,

Background: Environment and its ecosystems are affected by various natural and man-made disasters. The environmental management in disasters tries to protect ecosystems, sustain development, reduce disaster risk, and adapt to or decrease the impact of climate change. This study aimed to investigate the impact of disasters on the environment and methods of reducing these effects....

Journal: :desert 2010
m. ghadiri masoum m. ghanian

abstract non-renewable natural resources play an important role in sustainable development of developing countries such as iran. however, since the natural resources should be preserved for future generations, proper use of such resources seems mandatory. women are one of the prime users of natural resources in developing countries. the purpose of this study is to assess the conservational beha...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه یزد - دانشکده زبانهای خارجی 1391

the speech act of disagreement has been one of the speech acts that has received the least attention in the field of pragmatics. this study investigates the ways power relations, social distance, formality of the context, gender, and language proficiency (for efl learners) influence disagreement and politeness strategies. the participants of the study were 200 male and female native persian s...

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