نتایج جستجو برای: abstractidentification of spatial

تعداد نتایج: 21187871  

Journal: :مدیریت خاک و تولید پایدار 0
زهرا ذوالفقاری دانشکاه صنعتی اصفهان- گروه خاکشناسی شمس الله ایوبی دانشکده کشاورزی، دانشگاه صنعتی اصفهان محمد رضا مصدقی اصفهان- دانشگاه صنعتی اصفهان- گروه خاکشناسی

this study was conducted to investigate the spatial variability of model parameters of soil shrinkage curve in cherlgerd district, chaharmahal-va-bakhtiari province. ninety nine locations were selected and soil clods were collected from the 0-10 cm layer and brought to the laboratory. soil shrinkage curve was measured, according to archimedes's principle, by covering the undisturbed clods ...

Journal: :تحقیقات اقتصادی 0
منصور زراء نژاد استاد دانشگاه شهید چمران اهواز، دانشکدة اقتصاد سید امین منصوری دکتری اقتصاد دانشگاه شهید چمران اهواز

the main objective of this study is to evaluate the spatial effect on fluctuations of trade based on the spatial panel data econometric method and wavelet smoothing using bilateral trade weighted matrix. the negative spatial dependent are estimated. using data from 34 most-important countries the period of 1980-2010 are investigated through spatial model and maximum likelihood estimation method...

Spatial Zoning and Analysis of Urban Poverty via Spatial Analysis (Case Study: Mashhad City)   Abstract Examining the degree of poverty in every community is the first step taken towards planning for fighting against poverty and deprivation. With understanding the poverty change process over time, planners can make the necessary decisions. The present study aims to investigate the spatial z...

This paper considers spatial distribution of industrial activities and effective factors on such a distribution. Ellison and Glaeser’s spatial concentration index, has been used for measureing spatial distribution of industry. This index has been calculated by Ad-value variable for 30 provinces of Iran and for period of 2006-2013. So, The spatial panel data model has been used in order to...

Journal: :محیط شناسی 0
حسین میرشجاعیان حسینی دانشکده اقتصاد دانشگاه تهران و پژوهشگر در دانشگاه هیروشیما،دانشجوی دکترای علوم اقتصادی فرهاد رهبر دانشیار دانشکدة اقتصاد دانشگاه تهران

environmental kuznets curve (ekc) is one of the known concepts in environmental economics developed dramatically over the last twenty years ago. one of the advances in studying the relationship between economic growth and environmental quality is concerning the spatial autocorrelation of ecological phenomena. the rationale behind spatial environmental kuznets curve (sekc) is similar to ekc incl...

پایان نامه :0 1374

chapter i provides an overview of structural linguistics and touches upon the saussurean dichotomies with the final goal of exploring their relevance to the stylistic studies of literature. to provide evidence for the singificance of the study, chapter ii deals with the controversial issue of linguistics and literature, and presents opposing views which, at the same time, have been central to t...

Journal: :مجله دانشگاه علوم پزشکی کرمانشاه 0
mohammad rasoul ghadami dept. of physiology, school of medicine, kermanshah university of medical sciences, kermanshah ali pourmotab dept. of physiology, school of medicine, kermanshah university of medical sciences, kermanshah niloufar khademi student research committee, kermanshah university of medical sciences, kermanshah

background: the cholinergic system plays an important role in learning and memory. administration of extracts of curcuma longa or its constituent, curcumin, have some roles in cognitive function in animals. the aim of the present study was to investigate the effects of curcumin in preventing spatial performance impairment induced by scopolamine, a cholinergic receptor antagonist, in rats using ...

Journal: :international journal of environmental research 2014
y.l. liu d.w. tang x.s. kong y.f. liu t.h. ai

land-use spatial allocation is a multi-objective collaborative spatial optimization methodfor rational use of the land use. based on global search capabilities and the information feedbackmechanism of ant colony optimization (aco), a land-use spatial allocation model (aco-la) isproposed. firstlyfirst, a construction graph is built for modeling the land-use spatial allocationproblem. secondlysec...

دیوسالار, اسداله, رنجبر, زینت, غلامیان آقامحلی, طاهره, قدمی, مصطفی,

The spatial structure of a city is the result of current spatial processes in a city and in a long run, has close relationship with the efficiency of urban development. Such a concept has a significant effect on the quality of competitiveness, livability, desirability, and the environmental invulnerability of the cities. In this regard, formulating a sustainable spatial structure depends on suc...

Journal: :veterinary research forum 2012
farrin babaei-balderlou samad zare

the aim of the present study was to evaluate the effect of melatonin as an antioxidant on spatial navigation memory in male diabetic rats. thirty-two male white wistar rats weighing 200 ± 20 g were divided into four groups, randomly: control, melatonin, diabetic and melatonin-treated diabetic. experimental diabetes was induced by intraperitoneal injection of 50 mg kg-1 streptozotocin. melatonin...

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