منابع مشابه
Some aspects of modelling segmentation processes
Introduction The world we live in is continually changing. The images formed on the retina in vision are a sequence of varying, shifting intensities. In hearing, likewise changes in frequency and intensity are recognised to form the basis of our detecting the underlying structure of events in the world. Research in music perception has identified the significance of change in the segmentation o...
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Analysis of precipitation reactions is extremely important in the technology of production of fine particles from the liquid phase. The control of composition and particle size in precipitation processes requires careful analysis of the several reactions that comprise the precipitation system. Since precipitation systems involve several, rapid ionic dissociation reactions among other slower one...
متن کاملSome combinatorial aspects of finite Hamiltonian groups
In this paper we provide explicit formulas for the number of elements/subgroups/cyclic subgroups of a given order and for the total number of subgroups/cyclic subgroups in a finite Hamiltonian group. The coverings with three proper subgroups and the principal series of such a group are also counted. Finally, we give a complete description of the lattice of characteristic subgroups of a finite H...
متن کاملSome aspects of cosheaves on diffeological spaces
We define a notion of cosheaves on diffeological spaces by cosheaves on the site of plots. This provides a framework to describe diffeological objects such as internal tangent bundles, the Poincar'{e} groupoids, and furthermore, homology theories such as cubic homology in diffeology by the language of cosheaves. We show that every cosheaf on a diffeological space induces a cosheaf in terms of t...
متن کاملThe Perception of Greenhouse Owners about Environmental, Economical and Social Aspects of Sustainable Agriculture in Iran
Emphasis on sustainable agriculture in Iran like the other developing countries, is responsedto the adverse environmental and economic impacts of conventional agriculture. Thisproblem, particularly about “greenhouse production” is considerable. The perceptions ofgreenhouse owners about the environmental, economical and social aspects of sustainableagriculture was discussed in this article. The ...
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ژورنال
عنوان ژورنال: The International Conference on Applied Mechanics and Mechanical Engineering
سال: 1984
ISSN: 2636-4360
DOI: 10.21608/amme.1984.49203