نتایج جستجو برای: economic trend based on country watershed

تعداد نتایج: 9323059  

Introduction: as healthy watersheds provide many ecosystem services in various fields such as social and economic welfare, some methods need to be developed for measuring the extent of watershedschr('39') health and sustainability. Sustainable development is a comprehensive approach to improving human life quality by providing the economic, social, and environmental well-being of human settleme...

2009
Xiangyang Zhang

As the contemporary trend of world’s economic and financial integration has become more and more visible to see, and as the global market opens up day by day, the economy & finance of individual country penetrates into each other. And the interdependence and fusion between them has reached such a degree that each nation has been integrated into the huge world economy category and become an orga...

Journal: :علوم دامی ایران 0
محمدعلی طالبی استادیار مرکز تحقیقات کشاورزی

this study was carried out to investigate the effect of selection on the reduction of fat-tail size in lori-bakhtiari lambs. the study lasted for five years at the development and breeding center of lori-bakhtiari sheep station. estimation of fat-tail weight, using external fat-tail dimensions was obtained from regression procedure at 6 month age. soft tissue depth at the point 12 cm from the m...

, ,

The oil has gradually obtained a predominant place in national economy since 1950 and nowadays, is the main important resource securing country financial needs. Two questions are the base of this research regarding contradiction of oil rent and traditional economic sectors including agriculture and livestock rearing which always have been intensified. These two questions are as follows: what ar...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه فردوسی مشهد - دانشکده ادبیات و علوم انسانی دکتر علی شریعتی 1392

the issue of curriculum and syllabus evaluation and revision has been in center of attention right from when curriculum came into attention of educational institutions. thus everywhere in the world in educational institutions curricula and syllabi are evaluated and revised based on the goals, the needs, existing content, etc.. in iran any curriculum is designed in a committee of specialists and...

پایان نامه :دانشگاه آزاد اسلامی - دانشگاه آزاد اسلامی واحد تهران مرکزی - دانشکده زبانهای خارجی 1392

the present study was an attempt to compare the effect of peer metalinguistic corrective feedback on elementary and intermediate efl learners speaking ability to see which level benefits more from this type of feedback. to this end, 117 female efl learners at grade 3, al-zahra high school in kermanshah, iran were non-randomly chosen. the homogeneity of the participants was attained through a pi...

fatemeh zakerhosseini, Kazem Hemmadi

In arid and semi-arid regions, soil surface warming is a considerable phenomenon causing a high thermal gradient which makes water flow intensely. The degree of soil temperature is effective on crop production, plant growth and soil microorganisms. In recent years, the ascending trend of temperature has been substantially noticed by researchers in the issues of pointwise climate change and at w...

Journal: :اکو هیدرولوژی 0
علی حقی زاده استادیار، دانشکدۀ کشاورزی و منابع طبیعی، دانشگاه لرستان حسین یوسفی استادیار، دانشکدۀ علوم و فنون و نوین، دانشگاه تهران یزدان یاراحمدی دانشجوی کارشناسی ارشد مهندسی اکو هیدرولوژی، دانشکدۀ علوم و فنون نوین، دانشگاه تهران پروین نورمحمدی دانشجوی کارشناسی ارشد مهندسی آبخیزداری، دانشکدۀ کشاورزی و منابع طبیعی، دانشگاه لرستان رضوان علیجانی دانشجوی دکتری مهندسی آبخیزداری، دانشکدۀ کشاورزی و منابع طبیعی، دانشگاه لرستان

kahman is the most beneficial river in alashtar city for agriculture and aquiculture. as hydrology processes have random nature, statistics and probability are base of analysis of these processes and time series are used for this purpose. the first step in time series analysis includes parameters variation through time. second step is to stationary data, third is normalization and forth is mode...

2018
Mathilde Sengoelge Lucie Laflamme Ziad El-Khatib

BACKGROUND The Eastern Mediterranean region has the second highest number of road traffic injury mortality rates after the African region based on 2013 data, with road traffic injuries accounting for 27% of the total injury mortality in the region. Globally the number of road traffic deaths has plateaued despite an increase in motorization, but it is uncertain whether this applies to the Region...

2013
Gao Peng Wang Bing Geng Guangpo Zhang Guangcan

The spatial variability of soil organic carbon (SOC) and total nitrogen (STN) levels is important in both global carbon-nitrogen cycle and climate change research. There has been little research on the spatial distribution of SOC and STN at the watershed scale based on geographic information systems (GIS) and geostatistics. Ninety-seven soil samples taken at depths of 0-20 cm were collected dur...

نمودار تعداد نتایج جستجو در هر سال

با کلیک روی نمودار نتایج را به سال انتشار فیلتر کنید