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RISS 인기검색어
- 검색키워드
- 저자 : F. M. Abbasi (검색결과 4 건)
- 무료
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- 유료
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GENERALIZED((ξ, ζ)-) SOFT INTERIOR Γ-HYPERIDEALS OF Γ-SEMIHYPERGROUPS
Abbasi, M.Y.,Basar, A.,Talee, A.F.,Khan, S.A. The Honam Mathematical Society 2018 호남수학학술지 Vol.40 No.1
In this paper, we introduce the notion of ($\xi$, ${\zeta}$)-soft ${\Gamma}$-hyperideals and ($\xi$, ${\zeta}$)-soft interior ${\Gamma}$-hyperideals of ${\Gamma}$-semihypergroups by a new approach called soft intersection (briefly, S. I.). It is proved that in regular ${\Gamma}$-semihypergroups the ($\xi$, ${\zeta}$)-soft ${\Gamma}$-hyperideals and the ($\xi$, ${\zeta}$)-soft interior ${\Gamma}$-hyperideals coincide. Further, we introduce the concept of ($\xi$, ${\zeta}$)-soft simple ${\Gamma}$-semihypergroup and characterize the simple ${\Gamma}$-semihypergroups in terms of ($\xi$, ${\zeta}$)-soft ${\Gamma}$-hyperideals and ($\xi$, ${\zeta}$)-soft interior ${\Gamma}$-hyperideals.
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A. Ahmad,S. Ahmed,F. M. Abbasi 한국자기학회 2017 Journal of Magnetics Vol.22 No.2
Flow of electrically conducting nanofluids is of pivotal importance in countless industrial and medical appliances. Fluctuations in thermophysical properties of such fluids due to variations in temperature have not received due attention in the available literature. Present investigation aims to fill this void by analyzing the flow of copper-water nanofluid with temperature dependent viscosity past a Riga plate. Strong wall suction and viscous dissipation have also been taken into account. Numerical solutions for the resulting nonlinear system have been obtained. Results are presented in the graphical and tabular format in order to facilitate the physical analysis. An estimated expression for skin friction coefficient and Nusselt number are obtained by performing linear regression on numerical data for embedded parameters. Results indicate that the temperature dependent viscosity alters the velocity as well as the temperature of the nanofluid and is of considerable importance in the processes where high accuracy is desired. Addition of copper nanoparticles makes the momentum boundary layer thinner whereas viscosity parameter does not affect the boundary layer thickness. Moreover, the regression expressions indicate that magnitude of rate of change in effective skin friction coefficient and Nusselt number with respect to nanoparticles volume fraction is prominent when compared with the rate of change with variable viscosity parameter and modified Hartmann number.
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GENERALIZED((□,□)-) SOFT INTERIOR Г-HYPERIDEALS OF Г-SEMIHYPERGROUPS
( M. Y. Abbasi ),( A. Basar ),( A. F. Talee ),( S. A. Khan ) 호남수학회 2018 호남수학학술지 Vol.40 No.1
In this paper, we introduce the notion of (□,□)-soft Г- hyperideals and (□,□)-soft interior Г-hyperideals of Г-semihypergroups by a new approach called soft intersection (briey, S. I.). It is proved that in regular Г-semihypergroups the (□,□)-soft Г-hyperideals and the (□,□)-soft interior Г-hyperideals coincide. Further, we introduce the concept of (□,□)-soft simple Г-semihypergroup and characterize the simple Г-semihypergroups in terms of (□,□)-soft Г-hyperideals and (□,□)-soft interior Г-hyperideals.
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Assessment of Blood Clot Composition by Spectral Optical Coherence Tomography: An In Vitro Study
Ding Yonghong,Abbasi Mehdi,Eltanahy Ahmed M.,Jakaitis Daniel R.,Dai Daying,Kadirvel Ramanathan,Kallmes David F.,Brinjikji Waleed 대한신경중재치료의학회 2021 Neurointervention Vol.16 No.1
Purpose: Optical coherence tomography (OCT) has the potential for <i>in vivo</i> clot composition characterization in difficult mechanical embolectomy cases. We performed an <i>in vitro</i> study to determine the OCT characteristics of red blood cells (RBCs) and fibrin rich clots.Materials and Methods: Analogues of 5 compositions of clots (5% to 95% RBCs from Group A to E) were created from human blood. The blood mixture was injected into the bifurcation of a 3D printed bifurcated silicone tube. The OPTISTM Integrated System (St. Jude Medical Inc.) was used to identify the magnitude of OCT signals from different compositions of clots. Martius Scarlett Blue trichrome (MSB) staining was performed to confirm the composition of RBCs and fibrin in each clot.Results: Group A and B showed less signal attenuation (less than 30%) from its surface to the inside, which indicated high penetration (low-back scattering). Group C indicated intermediate signal attenuation (60%) from its surface to inside the clots, in which signals were found even at the periphery of the clot. Group D and E were superficially signal rich with more signal attenuation (more than 80%) from its surface to the inside indicating low penetration (high-back scattering). Signal-free shadowing was shown in 3 clots in Group E. MSB staining indicated color change (from red in fibrin-rich clots to yellow in RBC-rich clots).Conclusion: Different compositions of clots can be assessed using OCT. Fibrin-rich clots have homogeneous signals with high penetration, while RBC-rich clots can be recognized as superficially signal rich with low penetration.
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