نتایج جستجو برای: dimensional parameters

تعداد نتایج: 949891  

Journal: :Journal of Physics A: Mathematical and Theoretical 2020

Journal: :IEEE Transactions on Acoustics, Speech, and Signal Processing 1981

Journal: :Xibei Gongye Daxue Xuebao/Journal of Northwestern Polytechnical University 2018

Journal: :Journal of Sedimentary Research 2021

ABSTRACT The intra-parasequence scale is still relatively unexplored territory in high-resolution sequence stratigraphy. analysis of internal genetic units parasequences has commonly been simplified to the definition bedsets. Such simplification insufficient cover complexity involved building individual parasequences. Different types have previously identified and characterized successive wave-...

The permeability and tortuosity of pore-scale two and three-dimensional random porous media were calculated using the Lattice Boltzmann method (LBM). Effects of geometrical parameters of medium on permeability and tortuosity were investigated as well. Two major models of random porous media were reconstructed by computerized tomography method: Randomly distributed rectangular obstacles in a uni...

Journal: :caspian journal of chemistry 2012
mohammad hossein fatemi afsane heidari hanieh malekzadeh

in this work some quantitative structure activity relationship models were developed for prediction of three bioenvironmental parameters of 28 volatile organic compounds, which are used in assessing the behavior of pollutants in soil. these parameters are; half-life, non dimensional effective degradation rate constant and effective péclet number in two type of soil. the most effective descripto...

Journal: :international journal of pediatrics 0
maryam hojjati autism center of noor hedayar mashhad, mashhad, iran. ghasem sadeghi bejestani department of biomedical engineering, international university of imam reza (as), mashhad, iran. farah ashrafzadeh department of pediatrics, faculty of medicine, mashhad university of medical sciences, mashhad, iran.

introduction the goal of research is investigation on the effectiveness of holistic multi-dimensional treatment model (hmtm) in improvement of cars test indicators in children with autism spectrum disorder (asd) and it is done without pharmaceutical interventions, without names and accompanied by parental satisfaction questionnaire. materials and methods in this study with purposeful sampling m...

Journal: :global analysis and discrete mathematics 0
hassan dana mazraeh school of mathematics and computer science, damghan university, p.o. box 36715-364, damghan, iran.

in this paper, a numerical solution of an inverse non-dimensional heat conduction problem by spline method will be considered. the given heat conduction equation, the boundary condition, and the initial condition are presented in a dimensionless form. a set of temperature measurements at a single sensor location inside the heat conduction body is required. the result show that the proposed meth...

Journal: :نشریه دانشکده فنی 0
امین صمدی قوشچی دانشگاه تهران کارن ابری نیا دانشگاه تهران محمدکاظم بشارتی گیوی دانشگاه تهران

slab method of analysis has been used for solving metal forming problems for a long time. however it has been restricted to plane strain and axisymmetric problems due to limitations in its formulations. in this paper a new formulation has been proposed so that it could be applied to three dimensional problems in metal forming. a parametric slab has been considered in this analysis and the force...

In this paper, we study fuzzy substructures in connection withHv-structures. The original idea comes from geometry, especially from thetwo dimensional Euclidean vector space. Using parameters, we obtain a largenumber of hyperstructures of the group-like or ring-like types. We connect,also, the mentioned hyperstructures with the theta-operations to obtain morestrict hyperstructures, as Hv-groups...

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