نتایج جستجو برای: plane

تعداد نتایج: 119006  

Journal: :journal of linear and topological algebra (jlta) 0
sh safari sabet department of mathematics, islamic azad university, central tehran branch, tehran, iran m farmani department of mathematics, islamic azad university, central tehran branch, tehran, iran o khormali mathematics and informatics research group, acecr, tarbiat modares university, p. o. box: 14115-343, tehran, iran a mahmiani department of mathematics, payame noor university, 19395-4797, tehran, iran z bagheri islamic azad university branch of azadshaher, azadshaher, iran

the edge detour index polynomials were recently introduced for computing theedge detour indices. in this paper we nd relations among edge detour polynomials for the2-dimensional graph of tuc4c8(s) in a euclidean plane and tuc4c8(s) nanotorus.

A. Asadi E. Afsharid Gh.R. Ghodrati Amiri, S.M. Pourhoseini Nejad Z. Tabrizian

This paper uses a PSOPC model based non-destructive damage identification procedure using frequency and modal data. The objective function formulation for the minimization problem is based on the frequency changes. The method is demonstrated by using a cantilever beam, four-bay plane truss and two-bay two-story plane frame with different scenarios. In this study, the modal data are provided nume...

In this research, mechanical buckling of rectangular plates of functionally graded materials (FGMs) is considered. Equilibrium and stability equations of a FGM rectangular plate under uniform in-plane compression are derived. For isotropic materials, convergent buckling loads have been presented for non-uniformly compressed rectangular plates based on a rigorous superposition fourier solution f...

بخشی گرمی, فریال, بروستانی, جمال,

In this paper we studied the focusing effect of electromagnetic wave in the two-dimensional graded photonic crystal consisting of Silicon rods in the air background with gradually varying lattice constant. The results showed that graded photonic crystal can focus wide beams on a narrow area at frequencies near the lower edge of the band gap, where equal frequency contours are not concave. For c...

Journal: :The Quarterly journal of experimental psychology. A, Human experimental psychology 2003
Alessandro Couyoumdjian Francesco Di Nocera Fabio Ferlazzo

The aim of this study was to explore whether the attentional system, as far as an endogenous orienting is concerned, allocates resources along the sagittal plane and whether such a process is affected by, and is likely to be based on, different functional representations of 3D space in the brain. Several models make a main action-based distinction between representations of peripersonal space a...

1996
Joaquim Borges Italo J. Dejter

The complements of the perfect dominating sets of the n-cube, for n $ 8, are characterized as well as some outstanding vertex-spanning edge-partitions of them involving the Fano plane, as a contribution to the study of distancepreserving regular subgraphs of hypercubes.

Journal: :International journal of occupational safety and ergonomics : JOSE 2000
B Das N L Black

The effect of reach levels, horizontal angles, and vertical angles on isometric pull and push strengths of male and female was determined. Highly significant increases in men's push strength were found between extreme to maximum reaches, and from extreme to normal reaches. However, for women's push strength, a significant increase was found only between extreme to maximum reach. Significant or ...

Journal: :علوم باغبانی 0
جلال برادران مطیع محسن شاکری

conditional monitoring is prerequisite to prevent severe damage or falling down the trees. problems such as trunk decays, reduces trees resistance against wind and floods. in this study, a mathematical modeling technique is being selected to determine the trees strength against such events. finally, an applicable model for safety factor was created by having numeral (dimensions of crown and tru...

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