نتایج جستجو برای: spatial and temporal variation

تعداد نتایج: 16930333  

Journal: :Tree physiology 2000
Roslyn M. Gleadow Ian E. Woodrow

The release of hydrogen cyanide from endogenous cyanide-containing compounds in plants is an effective herbivore deterrent. We investigated temporal and spatial variations in cyanogenic glycoside concentration in greenhouse-grown seedlings and 6-year-old plantation trees of Eucalyptus cladocalyx F. Muell., which allocates up to 20% of leaf nitrogen to the cyanogenic glycoside, prunasin. The hig...

Journal: :International Journal of Enviornment and Climate Change 2022

The research was conducted to determine the extent of climate change in Sambalpur district, Odisha from year 1990 2019. studied for rainfall and temperature by running Mann-Kendall test at 5% significance level on time series data each 9 blocks period resultant statistics indicated how strong trend whether it increasing or decreasing. For seasonal six nine showed but only 3 significant trend. S...

Journal: :مدیریت آب و آبیاری 0
سید پویان پیرنیا کارشناس ارشد مهندسی ساز ههای آبی، گروه ساز ههای آبی، دانشکدة کشاورزی، دانشگاه تربیت مدرس، تهران - ایران جمال محمد ولی سامانی استاد گروه مهندسی سازه های آبی، دانشکدة کشاورزی، دانشگاه تربیت مدرس، تهران - ایران جواد منعم استادیار گروه مهندسی ساز ههای آبی، دانشکدة کشاورزی، دانشگاه تربیت مدرس، تهران - ایران

the determination of temporal and spatial salinity in tidal rivers is significant in supplying water for agriculture purposes, particularly where there is no controller dam at the downstream. in this research, the coherens model was applied to study the hydraulics of water flow, salinity distribution and transmission at the bahmanshir river. coherens is a 3d multi-purpose hydrodynamic model whi...

ژورنال: سلامت و محیط زیست 2017

Background and Objective: In the recent decade, critical condition of particulate matters (PMs) concentration is considered as one of the most important issues in Tehran megacity. Due to sparse spatial distribution of air quality monitoring stations and economic considerations, researchers proposed remote sensing technique as a fast and economical way to obtain complete spatial and temporal cov...

Journal: :iranian rehabilitation journal 0
mahmood bahramizadeh department of orthotics and prosthetics, university of social welfare and rehabilitation sciences, tehran, iran. mokhtar arazpour department of orthotics and prosthetics, university of social welfare and rehabilitation sciences, tehran, iran.سازمان اصلی تایید شده: دانشگاه علوم بهزیستی و توانبخشی (university of social welfare and rehabilitation sciences) stephen william hutchins ihscr, faculty of health & social care, university of salford, greater manchester, uk.سازمان اصلی تایید شده: دانشگاه علوم بهزیستی و توانبخشی (university of social welfare and rehabilitation sciences)

objectives: this study was designed to evaluate the effectiveness of a modified floor reaction ankle foot orthosis (frafo) design on gait performance in children with cerebral palsy. methods: eight children with cerebral palsy wore a modified frafo bilaterally for six weeks. motion analysis was used to assess the immediate effectiveness of the orthosis on improving gait and also following six w...

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