نتایج جستجو برای: spatial l

تعداد نتایج: 967467  

The aim of this paper is to establish a fuzzy version of the dualitybetween domains and completely distributive lattices. All values aretaken in a fixed frame $L$. A definition of (strongly) completelydistributive $L$-ordered sets is introduced. The main result inthis paper is that the category of fuzzy domains is dually equivalentto the category of strongly completely distributive $L$-ordereds...

Journal: :جنگل و فرآورده های چوب 0
زهرا نوری دانش آموخته مقطع دکتری-دانشگاه تهران محمود زبیری استاد- دانشکده منابع طبیعی-دانشگاه تهران جهانگیر فقهی دانشیار-دانشکده منابع طبیعی دانشگاه تهران محمدرضا مروی مهاجر استاد - دانشکده منابع طبیعی دانشگاه تهران

this study aims at analyzing spatial pattern and associations of fagus oriantalis lipsky in different vertical classes in intact beech forests. data collection was done in 25 ha plot in gorazbon district of educational and experimental forests of university of tehran. species and dbh of all trees with dbh > 7.5 cm were recorded. the location of each tree was determined using azimuth and distanc...

Journal: :محیط زیست طبیعی 0
سید حسین خزاعی عضو هیئت علمی گروه محیط زیست، دانشکده منابع طبیعی دریا، دانشگاه علوم و فنون دریایی خرمشهر، ایران حمید عباسی تبار دانشجوی کارشناسی محیط زیست، دانشکده منابع طبیعی دریا، دانشگاه علوم و فنون دریایی خرمشهر، ایران روح الله تقی زاده مهرجردی دانشجوی دکتری خاکشناسی، گروه مهندسی علوم خاک، پردیس کشاورزی و منابع طبیعی، دانشگاه تهران، ایران

spatial and temporal distribution of qualitative factors of groundwaters is important to preserve their quality. so, one of the advanced techniques for distribution of groundwater’s qualitative is geostatistic methods. in this study, 33 active wells were randomly sampled to determine the spatial distribution of nitrate pollution in groundwater of the siakh darengoun region (west of shiraz in fa...

Journal: :آمایش سرزمین 0
مهرانوش مفیدی دانشجو دکتری شهر سازی پردیس هنرهای زیبا دانشگاه تهران

this article is investigating the town and country planning in austria. although according to new definitions spatial planning in austria has been started during fifties and sixties of the twentieth century, the issue has been set seriously on the l?nder's agenda of planning as the main authorities since establishing austrian conference on regional planning (?rok) in 1971.the programs impl...

Journal: :progress in biological sciences 2014
amir rahimi armin madadkar-sobhani rouzbeh touserkani bahram goliaei

accurate protein function prediction is an important subject in bioinformatics, especially wheresequentially and structurally similar proteins have different functions. malate dehydrogenaseand l-lactate dehydrogenase are two evolutionary related enzymes, which exist in a widevariety of organisms. these enzymes are sequentially and structurally similar and sharecommon active site residues, spati...

Background: The hippocampus, a vital center for learning and memory, is extremely vulnerable to neurological diseases.Several reports of cognitive and memory impairment have been published in patients with Multiple sclerosis (MS). The prevalence of MS is highest where environmental supply of vitamin D is low. In the present study spatial working memory and reference memory after treatment with ...

2015
A. A. Estaji A. Karimi Feizabadi M. Abedi

Let C(L) be the ring of real-valued continuous functions on a frame L. In this paper, strongly fixed ideals and characterization of maximal ideals of C(L) which is used with strongly fixed are introduced. In the case of weakly spatial frames this characterization is equivalent to the compactness of frames. Besides, the relation of the two concepts, fixed and strongly fixed ideals of C(L), is st...

Journal: :Journal of the Korean Association for Spatial Structures 2011

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