نتایج جستجو برای: water bodies of different types
تعداد نتایج: 21263323 فیلتر نتایج به سال:
target tracking is the tracking of an object in an image sequence. target tracking in image sequence consists of two different parts: 1- moving target detection 2- tracking of moving target. in some of the tracking algorithms these two parts are combined as a single algorithm. the main goal in this thesis is to provide a new framework for effective tracking of different kinds of moving target...
Recent advances in remote sensing technologies and the cost reduction of surveying, along with the importance of natural resources management, present new opportunities for mapping land cover at a very high resolution over large areas. This paper proposes and applies a framework to update hyperspatial resolution (<1 m) land thematic mapping over large areas by handling multi-source and heteroge...
in the past couple of decades sociocultural theory of sla and its implications in efl contexts have attracted attentions of research circles worldwide and aroused some controversies. firth and wagner (1997) have questioned the principles of the cognitive view which gives importance to mental constructs in favor of sociocultural view which highlights social and contextual constructs. but if soci...
abstract in the present research solution of chalcopyrite in sulfuric acid in hydrometallurgy method using electrochemistry with cyclic voltammetry technique has been investigated. the value of maximum reduction peak current of copper ions represents the measure of solubility. in this research different parameters temperature, potential, potential exert time, chalcopyrite concentration, sulfur...
Creating and rendering realistic water is one of the most daunting tasks in computer graphics. Realistic rendering of water requires that the sunlight and skylight illumination are correct, the water surface is modeled accurately and that the light transport within water body is properly handled. This paper describes a method for wave generation on a water surface using a physically-based appro...
the usage of ceramic composites in order to improve the workability and properties of clay already has past a long history behind. in spite of the fact that clay by its own is a flexible and appropriate material for sculpting and ceramic making, it also carries some problems, flaws and imperfections (such as cracking, heaviness and etc.) which make it somehow troublesome to work with. from the ...
The statistical population of this study is all farmers in Garmsar County, which according to the statistics of the Agricultural Department, the number of them is 5675 people. Of these, 366 people were selected randomly according to the Cochran formula, and information were gathered through a researcher-made questionnaire. The research method is quantitative and we have tried to use the multiva...
we have devided the thesis in to five chapters. the first recollects facts from purely algebraic theory of jordan algebras and also basic properties of jb and jb* - algebras which are needed in the sequel. in the second chapter we extend to jb* - algebras, a classical result due to cleveland [8]. this result shows shows the weakness of jb* - norm topology on a jb* - algebera. in chapter three, ...
With the acceleration of urbanization, urban heat island (UHI) effect has intensified. Urban green space can retard UHI effect. However, most existing studies have only focused on hot regions, while little attention been given to cold regions that also summer protection requirements. Furthermore, researc not classified spaces according presence or absence water, which lead inaccurate results. T...
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