نتایج جستجو برای: including class area ca
تعداد نتایج: 1931941 فیلتر نتایج به سال:
process. This is an open-access article distributed under the terms of the Creative Commons Attribution 4.0 International (http://creativecommons.org/licenses/by/4.0), which permits unrestricted use, distribution and reproduction in any medium provided that the original work is properly attributed. Copyright © 2015 Society for Neuroscience This Accepted Manuscript has not been copyedited and fo...
One of the characteristics in Iranian Model of Desertification Potential Assessment (IMDPA) is vegetation. Sincevegetation is very important factor in the degradation of land, so some indices were determined for this item in order toevaluate desertification potential of arid, semi arid and arid sub humid areas of Iran. The indices included vegetationcondition, exploit and revegetation. To calib...
our main objective in the present study was to assess the spatial variation of chemical and physical water properties. prior to the design of groundwater quality monitoring networks, it is essential to investigate the spatial structure of the groundwater quality variables. a case study is presented which used ground water quality observations from groundwater domestic wells in the dameghan, ira...
study of soil and plant relationships is nessesery for ecological- based and appropriate management. the objective of this study is to determine the influence of edaphic properties on haloxylon persicum growth and also, indentifing growth limiting soil properties for saxaul. the study was performed through the stratified random sampling and 3 sites were selected as follow: planted strong saxaul...
A bst ract . V-Ie address certain questions concern ing invert ible cellular aut omata (ICA) , and present new results in this area . Specifically, we explicitly const ru ct a cellular automaton (CA) in a class (r esidual clas s) previously known not to be empty only via a nonconstr uctive existe nce proof. T his class contains CAs that are invert ible on every fini te suppor t but not on an in...
landscape characteristics and land use patterns of watershed demonstrate extension, distribution, density and abundance of human interference. these factors can affect water quality of adjacent aquatic systems within a watershed. land use changes have caused various environmental problems for zayandehroud river,turned it as a sink of pollutant. therefore this is investigated that how would land...
School Effectiveness and School Improvement An International Journal of Research, Policy and Practice Publication details, including instructions for authors and subscription information: http://www.informaworld.com/smpp/title~content=t714592801 Differential school effects among low, middle, and high social class composition schools: a multiple group, multilevel latent growth curve analysis Gre...
Desertification is the result of a series of important processes. Among them, climate change and human activity are the most important. Arid and semi-arid regions cover a vast area of Iran (85%). The hazard assessment of desertification and preparation of desertification intensity maps are key tools for management of desert regions. This research assessed the efficiency of the MICD model for ha...
introduction: landslides are amongst the most damaging geologic hazards in the world. they pose a threat to the safety of humankind lives as well as the environment, resources and property. compared with other natural hazards such as volcanic eruptions and floods, landslides cause considerable damage to human beings and massive economic losses (guzzetti, 2005). according to preliminary estimates...
The class (\(\Sigma\)) is an important family of semimartingales defined by Yor. These processes play a key role in the theory probability and their applications. For instance, such are used to resolve Skorokhod Imbedding Problem construct solutions for homogeneous inhomogeneous skew Brownian Motion equations. This paper contributes study classes (\(\Sigma^r\)). But, instead considering as it c...
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