检索结果-南通市图书馆

Communications in Theoretical Physics 2019年第4期71卷 362-366页

作者： Ahmad Javid Nauman Raza m.s.osman Department of mathematics University of the Punjab Quaid-e-Azam Campus Department of mathematics Faculty of Science Cairo University Department of mathematics Duba University College University of Tabuk

The paper addresses the thermophoretic motion(Tm) equation, which is serviced to describe soliton-like thermophoresis of wrinkles in graphene sheet based on Korteweg-de Vries(KdV) equation. The generalized uni?ed method is capitalized to construct wrinkle-like multiple soliton solutions. Graphical analysis of one, two, and threesoliton solutions is carried out to depict certain properties like width, amplitude, shape, and open direction are adjustable through various parameters.

关键词： thermophoretic motion equation generalized unified method multiple soliton solution graphene sheets

Analytical and approximate solutions of nonlinear schrödinger equation with higher dimension in the anomalous dispersion regime

在线全文

学校读者我要写书评

暂无评论

Journal of Ocean Engineering and science 2022年第2期7卷 143-154页

作者： Lanre Akinyemi mehmet senol m.s.osman Department of mathematics Lafayette CollegeEastonPAUSA Nev¸s ehir HacıBekta¸s Veli University Department of MathematicsNev¸s ehirTurkey Department of mathematics Faculty of ScienceCairo UniversityGiza 12613Egypt

The generalized Riccati equation mapping method(GREmm)is used in this paper to obtain different types of soliton solutions for nonlinear schrödinger equation with higher dimension that existed in the regimes of anomalous ***,we use the q-homotopy analysis method combined with the Laplace transform(q-HATm)to obtain approximate solutions of the bright and dark optical *** q-HATm illustrates the solutions as a rapid convergent *** addition,to show the physical behavior of the solutions obtained by the proposed techniques,the graphical representation has been provided with some parameter *** findings demonstrate that the proposed techniques are useful,efficient and reliable mathematical method for the extraction of soliton solutions.

关键词： q-homotopy analysis method Generalized Riccati equation mapping method Laplace transform

The asymptotic behavior for a binary alloy in energy and material science:The unified method and its applications

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

Journal of Ocean Engineering and science 2024年第4期9卷 373-378页

作者： m.Adel K.Aldwoah F.Alahmadi m.s.osman Department of mathematics Faculty of ScienceIslamic University of MadinahMedinaSaudi Arabia Department of mathematics Faculty of ScienceCairo UniversityGiza 12613Egypt

The Cahn-Hilliard system was proposed to the first time by Chan and Hilliard in *** model(or system of equations)has intrinsic participation energy and materials sciences and depicts significant characteristics of two phase systems relating to the procedures of phase separation when the temperature is *** instance,it can be noticed when a binary alloy(“Aluminum+Zinc”or“Iron+Chromium”)is cooled down *** this case,partially or totally nucleation(nucleation means the appearance of nuclides in the material)is observed:the homogeneous material in the initial state gradually turns into inhomogeneous,giving rise to a very accurate dispersive ***,when the time scale is slower the microstructure becomes *** this work,to the first time,the unified method is presented to investigate some physical interpretations for the solutions of the Cahn-Hilliard system when its coefficients varying with time,and to show how phase separation of one or two components and their concentrations occurs dynamically in the ***,2D and 3D plots are introduced to add more comprehensive study which help to understand the physical phenomena of this *** technique applied in this analysis is powerful and efficient,as evidenced by the computational work and *** technique can also solve a large number of higher-order evolution equations.

关键词： Cahn-Hilliard system Traveling wave solutions The unified method Variable coefficients

Analysis and Numerical Computations of the multi-Dimensional,Time-Fractional model of Navier-stokes Equation with a New Integral Transformation

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

Computer modeling in Engineering & sciences 2023年第9期136卷 3025-3060页

作者： Yuming Chu saima Rashid Khadija Tul Kubra mustafa Inc Zakia Hammouch m.s.osman Department of mathematics Huzhou UniversityHuzhouChina Department of mathematics Government College UniversityFaisalabadPakistan Department of mathematics Firat UniversityElazigTurkey medical Research China Medical UniversityTaichungTaiwan Division of Applied mathematics Thu Dau Mot UniversityThu Dau MotVietnam Department of mathematics Faculty of ScienceCairo UniversityGiza12613Egypt

The analytical solution of the multi-dimensional,time-fractional model of Navier-stokes equation using the triple and quadruple Elzaki transformdecompositionmethod is presented in this *** aforesaidmodel is analyzed by employing Caputo fractional *** deliberated three stimulating examples that correspond to the triple and quadruple Elzaki transform decomposition methods,*** findings illustrate that the established approaches are extremely helpful in obtaining exact and approximate solutions to the *** exact and estimated solutions are delineated via numerical *** proposed analysis indicates that the projected configuration is extremely meticulous,highly efficient,and precise in understanding the behavior of complex evolutionary problems of both fractional and integer order that classify affiliated scientific fields and technology.

关键词： Caputo derivative Elzaki transform time-fractional Navier-stokes equation decomposition method

Analyzing study for the 3D potential Yu-Toda-sasa-Fukuyama equation in the two-layer liquid medium

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

Journal of Ocean Engineering and science 2024年第5期9卷 454-460页

作者： Hajar F.Ismael Ìsrafil Okumus Tolga Aktürk Hasan Bulut m.s.osman Department of mathematics Faculty of ScienceUniversity of ZakhoZakhoIraq Department of mathematics Faculty of ScienceFirat UniversityElazigTurkey Department of mathematics Faculty of ScienceErzincan Binali Yildirim UniversityErzincanTurkey Department of mathematics and science Education Faculty of EducationOrdu UniversityTurkey Department of mathematics Faculty of Applied ScienceUmm Al-Qura UniversityMakkah 21955Saudi Arabia Department of mathematics Faculty of ScienceCairo UniversityGiza 12613Egypt

In this work,we use the(m+1/G')-expansion method and the Adomian decomposition method to study the 3D potential Yu-Toda-sasa-Fukuyama(3D-pYTsF)equation which has a good application in the twolayer liquid *** the first time,the(m+1/G')-expansion and the Adomian decomposition methods are used to establish novel exact wave solutions and to study some numerical solutions for the 3D-pYTsF equation,*** using the analytical method,kink-type wave,singular solution and some complex solutions to the suggested equation are successfully *** obtained wave solutions are represented with some figures in 3D and contour plots.

关键词： (m+1/G')-expansion method Complex solutions Adomian decomposition method

Wave profile analysis of a couple of(3+1)-dimensional nonlinear evolution equations by sine-Gordon expansion approach

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

Journal of Ocean Engineering and science 2022年第3期7卷 272-279页

作者： md.Rezwan Ahamed Fahim Purobi Rani Kundu md.Ekramul Islam m.Ali Akbar m.s.osman Department of mathematics Pabna University of Science and TechnologyBangladesh Department of Applied mathematics University of RajshahiBangladesh Department of mathematics Faculty of ScienceCairo UniversityGiza 12613Egypt Department of mathematics Faculty of Applied ScienceUmm Alqura UniversityMakkah 21955Saudi Arabia

The(3+1)-dimensional Kadomtsev-Petviashvili and the modified KdV-Zakharov-Kuznetsov equations have a significant impact in modern science for their widespread applications in the theory of long-wave propagation,dynamics of shallow water wave,plasma fluid model,chemical kinematics,chemical engineering,geochemistry,and many other *** this article,we have assessed the effects of wave speed and physical parameters on the wave contours and confirmed that waveform changes with the variety of the free factors in *** a result,wave solutions are extensively analyzed by using the balancing condition on the linear and nonlinear terms of the highest order and extracted different standard wave configurations,containing kink,breather soliton,bell-shaped soliton,and periodic *** extract the soliton solutions of the high-dimensional nonlinear evolution equations,a recently developed approach of the sine-Gordon expansion method is used to derive the wave solutions *** sine-Gordon expansion approach is a potent and strategic mathematical tool for instituting ample of new traveling wave solutions of nonlinear *** study established the efficiency of the described method in solving evolution equations which are nonlinear and with higher dimension(HNEEs).Closed-form solutions are carefully illustrated and discussed through diagrams.

关键词： sine-Gordon expansion approach Kadomtsev-Petviashvili equation modified KdV-Zakharov-Kuznetsov equation soliton solutions

On global behavior for complex soliton solutions of the perturbed nonlinear schrödinger equation in nonlinear optical fibers

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

Journal of Ocean Engineering and science 2022年第5期7卷 431-443页

作者： m.s.osman Hassan Almusawa Kalim U.Tariq sadia Anwar sachin Kumar muhammad Younis Wen-Xiu ma Department of mathematics Faculty of ScienceCairo UniversityGiza 12613Egypt Department of mathematics Faculty of Applied ScienceUmm Alqurah UniversityMakkah 21955Saudi Arabia Department of mathematics College of SciencesJazan UniversityJazan 45142Saudi Arabia Department of mathematics Mirpur University of Science and TechnologyMirpur-10250(AJK)Pakistan Department of mathematics Faculty of Mathematical SciencesUniversity of DelhiDelhi 110007India Centre for Undergraduate studies University of the PunjabLahore 54590Pakistan Department of mathematics Zhejiang Normal UniversityJinhua 321004ZhejiangChina Department of mathematics King Abdulaziz UniversityJeddah 21589Saudi Arabia Department of mathematics and statistics University of South FloridaTampaFL 33620USA school of mathematical and statistical sciences North-West UniversityMafikeng CampusPrivate Bag X2046Mmabatho 2735South Africa

In this research article,the perturbed nonlinear schrödinger equation(P-NLsE)is examined by utilizing two analytical methods,namely the extended modified auxiliary equation mapping and the generalized Riccati equation mapping ***,we establish several sorts of new families of complex soliton wave solutions such as hyperbolic functions,trigonometric functions,dark and bright solitons,periodic solitons,singular solitons,and kink-type solitons wave solutions of the *** the mentioned methods,the results are displayed in 3D and 2D contours for specific values of the open *** obtained findings demonstrate that the implemented techniques are capable of identifying the exact solutions of the other complex nonlinear evolution equations(C-NLEEs)that arise in a range of applied disciplines.

关键词： P-NLsE Optical solitons The AEm method The REm method

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

悬浮剂新探

农药译丛 1989年第2期11卷 56-58页

作者： E.K.Hussein m.s.osman 阮朗埃及Ainshams大学农学院植保系埃及Giza农业研究中心中央农药实验室

配方师的主要目的是减少农药制剂的不良性质,如着火危险、对动植物的危害、讨厌的气味和漂移性等等。将农药加工成悬浮剂就能克服这些不良性质。悬浮剂是在水或油中保持稳定的乳液或悬浮液,使用时用水稀释就可以变成可用泵输送的高浓度... 详细信息

配方师的主要目的是减少农药制剂的不良性质,如着火危险、对动植物的危害、讨厌的气味和漂移性等等。将农药加工成悬浮剂就能克服这些不良性质。悬浮剂是在水或油中保持稳定的乳液或悬浮液,使用时用水稀释就可以变成可用泵输送的高浓度物质,常用于不能提供常规廉价溶剂和需要操作粘性、高毒物质的场合。近年来已很清楚,剂型加工的方法对农药的药效有相当影响。因此,本文将简要介绍表面活性剂和增稠剂混配对悬浮剂性能的影响。

关键词：悬浮剂农药胶悬剂流动剂

Evidence supporting the relationship between maternal asthma and risk for autism spectrum disorders

在线全文

学校读者我要写书评

暂无评论

Neural Regeneration Research 2025年第4期20卷 1101-1102页

作者： Hadley osman Paul Ashwood Department of medical microbiology and Immunology and the M.I.N.D.InstituteUniversity of California at DavisSacramentoCAUSA

During pregnancy,maternal immune activation(mIA),due to infection,chronic inflammatory disorders,or toxic exposures,can result in lasting health impacts on the developing *** has been associated with an increased risk of neurodevelopmental disorders,such as autism spectrum disorder(AsD)in the *** is characterized by increased repetitive and stereotyped behaviors and decreased *** of 2020,1 in 36 children are diagnosed with AsD by the age of 8 years,with AsD rates continuing to increase in prevalence in UsA(Tamayo et al.,2023).Post-mortem brain studies,biomarker and transcriptomic studies,and epidemiology studies have provided compelling evidence of immune dysregulation in the circulation and brain of individuals diagnosed with ***,the etiology of AsD is largely unknown,however,genetic components and environmental factors can contribute to increased *** allergic asthma(mAA),a form of mIA,has been identified as a potential risk factor for developing neurodevelopmental disorders(Patel et al.,2020).Asthma is a chronic inflammatory condition driven by a T-helper type(TH)2 immune response.

关键词： disorders epidemiology fetus

Impact of Zika virus non-structural protein mutations on hippocampal damage

在线全文

学校读者我要写书评

暂无评论

Neural Regeneration Research 2025年第8期20卷 2307-2308页

作者： Larissa m.G.Cassiano Roney s.Coimbra Neurogenômica/Imunopatologia Instituto RenéRachouFiocruzBelo HorizonteBrazil Departamento de Bioquímica e Imunologia Instituto de Ciências BiológicasUniversidade Federal de Minas GeraisBelo HorizonteBrazil

The Zika virus(ZIKV),a member of the Flaviviridae family,attracted worldwide attention for its connection to severe neurological effects,notably microcephaly in newborns,first reported during the 2015 epidemic in ***,its impact goes beyond fetal and neonatal abnormalities,also affecting the central nervous system(CNs)in both children and adults,leading to enduring cognitive and behavioral impairments.

关键词： damage fetal neonatal