نتایج جستجو برای: and spatial space spatial distribution
تعداد نتایج: 16998550 فیلتر نتایج به سال:
‎One of the most useful tools for handling multivariate distributions of dependent variables in terms of their marginal distribution is a copula function‎. ‎The copula families capture a fair amount of attention due to their applicability and flexibility in describing the non-Gaussian spatial dependent data‎. ‎The particular properties of the spatial copula are rarely ...
as the organizational relationships are effective in geographic environment of human settlements for development quality and its infrastructures, also it is influenced from space- place trends and development approaches definition and set to dialogue, not a different definition and set differently and they are effective in their spatial extent . on this basis, in this paper is trying to help so...
This study was conducted in a sugar beet field at Collage of Agriculture Experimental Station, Ferdowsi University of Mashhad, Iran. In order to describe the pattern of spatial variations and density of Chenopodium album, Solanum nigrum, Amaranthus sp., Portulaca oleracea, Echinochla crus-galli, and Convulvulus arvense as the main prevalent annual and perennial weeds of sugar beet fields, geost...
The study of the roles and functions of cities and their developments is an important question in modern geographic studies. The unbalanced spatial distribution of populations, irregular migration to metropolises and imbalances in the distribution of economic opportunities between regions have led to focus on the idea of medium-sized cities as one of the most effective approaches to planning ...
STUDY OBJECTIVE Most studies of place effects on health have followed the multilevel analytical approach that investigates geographical variations of health phenomena by fragmenting space into arbitrary areas. This study examined whether analysing geographical variations across continuous space with spatial modelling techniques and contextual indicators that capture space as a continuous dimens...
This research with the aim of explaining Status of Urban Neighborhoods Enjoy in Access to Services Landuses (Commercial- Services, Educational, Hygienic-Treatment ,Religious- Cultural, Recreation-Sport and Green space) it was taken in the 10th neighnorhoods of Khormoj city. The aim of this study is applied and descriptive-analytic method used in it in which the use of resources for library -doc...
background: our hearing ability in space is critical for hearing speech in noisy environment and localization. the spatial hearing questionnaire (shq) has been devised to focus only on spatial haring tasks (e.g., lateralization, distance detection and binaural detection). the aim of the present study was to determine the reliability and validity of the persian translation of the shq (spatial he...
quantifying spatial structure is one of the most important components, describing natural ecosystems and their biodiversity. in this study, a set of indices and functions related to spatial structure using 102 established plots with an area of 1000 m2 were presented. to achieve spatial structure of carpinus-fagus type, a set of indices (clark & evans, uniform angle, shannon-wiener, mingling and...
Some bioecological aspects of grape leafhopper, Arboridia kermanshah Dlabola, including: the egg distribution under the leaf surface, eggs and nymphs spatial distribution on the vine arms, the adult distribution on three strata of the vine canopy, the adult diel activities and the geographical distribution of this species in Isfahan province were studied. Samplings were done in the 1997. The eg...
[1] We report a newly created highly parallelized global test particle model for resolving the pickup oxygen ion distribution around Mars. The background magnetic and convection electric fields are calculated using a three-dimensional multispecies magnetohydrodynamic model, which includes the effect of the Martian crustal magnetic field. In addition to photo-ionization, charge exchange collisio...
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