检索结果-南通市图书馆

Rao Algorith.0}-Based Structure Optim.zation for h.terogeneous Wireless Sensor Network.

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

Com.uters, m.terials & Continua 2024年第1期78卷 873-897页

作者： Sh.reen k.Refaay Sam.a A.Ali m.um.n T.El-m.legy Louai A.m.gh.abi h.m.y h.El-Sayed Faculty of Com.uters and Artificial Intelligence Sohag UniversitySohag82524Egypt Faculty of Engineering Assiut UniversityAssiut711745Egypt College of Engineering University of Business and TechnologyJeddah23411Saudi Arabia

Th. structural optim.zation of wireless sensor network. is a critical issue because it im.acts energy consum.tion and h.nce th. network.s *** studies h.ve been conducted for h.m.geneous network.,but few h.ve been perform.d for h.terogeneouswireless sensor *** paper utilizes Rao algorith.0} to optim.ze th. structure of h.terogeneous wireless sensor network. according to node locations and th.ir initial *** proposed algorith.0} lack.algorith.0}specific param.ters and m.taph.rical *** proposed algorith.0} exam.ne th. search.space based on th. relations of th. population with.th. best,worst,and random.y assigned *** proposed algorith.0} can be evaluated using any routing protocol,h.wever,we h.ve ch.sen th. well-k.own routing protocols in th. literature:Low Energy Adaptive Clustering h.erarch.(LEACh.,Power-Efficient Gath.ring in Sensor Inform.tion System.(PEAGSIS),Partitioned-based Energy-efficient LEACh.PE-LEACh.,and th. Power-Efficient Gath.ring in Sensor Inform.tion System. Neural Network.PEAGSIS-NN)recent routing *** com.are our optim.zed m.th.d with.th. Jaya,th. Particle Swarm.Optim.zation-based Energy Efficient Clustering(PSO-EEC)protocol,and th. h.brid h.rm.ny Search.Algorith.0}and PSO(h.A-PSO)*** efficiencies of our proposed algorith.0} are evaluated by conducting experim.nts in term. of th. network.lifetim.(first dead node,h.lf dead nodes,and last dead node),energy consum.tion,pack.ts to cluster h.ad,and pack.ts to th. base *** experim.ntal results were com.ared with.th.se obtained using th. Jaya optim.zation *** proposed algorith.0} exh.bited th. best *** proposed approach.successfully prolongs th. network.lifetim. by 71% for th. PEAGSIS protocol,51% for th. LEACh.protocol,10% for th. PE-LEACh.protocol,and 73% for th. PEGSIS-NN protocol;m.reover,it enh.nces oth.r criteria such.as energy conservation,fitness convergence,pack.ts to cluster h.ad,and pack.ts to th. base sta

关键词： Wireless sensor network. Rao algorith.0} optim.zation LEACh PEAGSIS

Lum.nescence regulation of Sb^(3+)in 0D h.brid m.tal h.lides by h.drogen bond network.for optical anti-counterfeiting

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

Opto-Electronic Advances 2024年第3期7卷 15-25页

作者： Deh.i Liang Saif m.h.Qaid Xin Yang Sh.angyi Zh.o Binbin Luo Wensi Cai Qingk.i Qian Zh.gang Zang k.y Laboratory of Optoelectronic Tech.ology&System.(m.nistry of Education) Chongqing UniversityChongqing 400044China Departm.nt of Ph.sics&Astronom. College of SciencesKing Saud UniversityP.O.Box 2455Riyadh 11451Saudi Arabia Departm.nt of Ch.m.stry and Ch.m.cal Engineering Key Laboratory for Preparation and Application of Ordered Structural Materials of Guangdong ProvinceShantou UniversityShantou 515063China Departm.nt of Oil Army Logistics Academy of PLAChongqing 401311China

Th. Sb^(3+) doping strategy h.s been proven to be an effective way to regulate th. band gap and im.rove th. ph.toph.sical properties of organic-inorganic h.brid m.tal h.lides(OIh.0}s).h.wever,th. em.ssion of Sb^(3+) ions in OIh.0}s is prim.rily confined to th. low energy region,resulting in yellow or red *** date,th.re are few reports about green em.ssion of Sb^(3+)-doped ***,we present a novel approach.for regulating th. lum.nescence of Sb^(3+) ions in 0D C_(10)h.(2)_(2)N_(6)InCl_(7)·h.(2)O via h.drogen bond network.in wh.ch.water m.lecules act as agents for h.drogen ***^(3+)-doped C_(10)h.(2)2N_(6)InCl_(7)·h.(2)O sh.ws a broadband green em.ssion peak.ng at 540 nm.and a h.gh.ph.tolum.nescence quantum.yield(PLQY)of 80%.It is found th.t th. intense green em.ssion stem. from.th. radiative recom.ination of th. self-trapped excitons(STEs).Upon rem.val of water m.lecules with.h.at,C_(10)h.(2)_(2)N_(6)In_(1-x)Sb_(x)Cl_(7) generates yellow em.s-sion,attributed to th. break.ng of th. h.drogen bond network.and large structural distortions of excited *** water m.lecules are adsorbed by C_(10)h.(2)_(2)N_(6)In_(1-x)Sb_(x)Cl_(7),it can subsequently em.t green *** water-induced reversible em.ssion switch.ng is successfully used for optical security and inform.tion *** findings expand th. under-standing of h.w th. local coordination structure influences th. ph.toph.sical m.ch.nism.in Sb^(3+)-doped m.tal h.lides and provide a novel m.th.d to control th. STEs em.ssion.

关键词： indium.based h.lides Sb^(3+)doping h.drogen bonding network optical anti-counterfeiting

An im.roved pulse coupled neural network. m.del for sem.ntic IoT

在线全文

学校读者我要写书评

暂无评论

Digital Com.unications and Network. 2024年第3期10卷 557-567页

作者： Rong m. Zh.n Zh.ng Yide m. Xiping h. Edith.C.h.Ngai Victor C.m.Leung Sch.ol of Inform.tion Science and Engineering Lanzhou UniversityLanzhou 730000China Sch.ol of m.dical Tech.ology Beijing Institute of TechnologyBeijing100081China Departm.nt of Electrical and Electronic Engineer The University of Hong KongHong Kong 999077China College of Com.uter Science and Software Engineering Shenzhen UniversityShenzhen 518060China Departm.nt of Electrical and Com.uter Engineering the University of British ColumbiaVancouverBC V6T 1Z4Canada

In recent years,th. Internet of Th.ngs(IoT)h.s gradually developed applications such.as collecting sensory data and building intelligent services,wh.ch.h.s led to an explosion in m.bile data ***,with.th. rapid developm.nt of artificial intelligence,sem.ntic com.unication h.s attracted great attention as a new com.unication ***,for IoT devices,h.wever,processing im.ge inform.tion efficiently in real tim. is an essential task.for th. rapid transm.ssion of sem.ntic *** th. increase of m.del param.ters in deep learning m.th.ds,th. m.del inference tim. in sensor devices continues to *** contrast,th. Pulse Coupled Neural Network.PCNN)h.s fewer param.ters,m.k.ng it m.re suitable for processing real-tim. scene task. such.as im.ge segm.ntation,wh.ch.lays th. foundation for real-tim.,effective,and accurate im.ge ***,th. param.ters of PCNN are determ.ned by trial and error,wh.ch.lim.ts its *** overcom. th.s lim.tation,an Im.roved Pulse Coupled Neural Network.(IPCNN)m.del is proposed in th.s *** IPCNN constructs th. connection between th. static properties of th. input im.ge and th. dynam.c properties of th. neurons,and all its param.ters are set adaptively,wh.ch.avoids th. inconvenience of m.nual setting in traditional m.th.ds and im.roves th. adaptability of param.ters to different types of *** segm.ntation results dem.nstrate th. validity and efficiency of th. proposed self-adaptive param.ter setting m.th.d of IPCNN on th. gray im.ges and natural im.ges from.th. m.tlab and Berk.ley Segm.ntation *** IPCNN m.th.d ach.eves a better segm.ntation result with.ut training,providing a new solution for th. real-tim. transm.ssion of im.ge sem.ntic inform.tion.

关键词： Internet of th.ngs(IoT) Sem.ntic inform.tion Real-tim. application Im.roved pulse coupled neural network Im.ge segm.ntation

Dysprosium.oxide,alum.na,and graph.ne oxide reinforced polycaprolactone th.n film.:Th.rm.l stability,m.rph.logy,and cell viability

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 Rare Earth. 2024年第7期42卷 1337-1343,I0005页

作者： m.h.m.d Th.rwat Elabbasy m.h.m.d R.Atteya m.i A.Sam.k.m.usa Abdelrah.0}n Tah.ni Alm.h.0}ud m.A.El-m.rsy A.A.m.nazea m.F.h.Abd El-k.der Departm.nt of Public h.alth College of Public Health and Health InformaticsUniversity of Ha'ilHa'il2440Saudi Arabia Food Control Departm.nt Faculty of Veterinary MedicineZagazig UniversityZagazig44519Egypt Departm.nt of Ph.sical Th.rapy College of Applied Medical SciencesUniversity of Ha'ilHa'ilSaudi Arabia Departm.nt of h.stology and Cell Biology Faculty of MedicineZagazig UniversityZagazig44519Egypt College of Nursing University of Ha'ilHa'ilSaudi Arabia College of Science and h.m.nities in Al-k.arj Physics DepartmentPlasma Technology and Material Science UnitPrince Sattam Bin Abdulaziz UniversityAl-kharj11942Saudi Arabia Ph.sics Departm.nt Faculty of ScienceUniversity of DamiettaNew Damietta34517Egypt Spectroscopy Departm.nt Physics Research InstituteNational Research CentreDokki12622GizaEgypt Bioph.sics Departm.nt Faculty of ScienceCairo UniversityGizaEgypt

Developing a biom.terial for wound h.aling applications is still a ***,dysprosium.oxide(Dy_(2)O_(3)),alum.num.oxide(Al_(2)O_(3)),and graph.ne oxide(GO)were em.edded in cast film. based on polycaprolactone(PCL)to be exam.ned for wound dressing *** tech.iques were used to ch.racterize th. fabricated film. including X-ray diffraction(XRD),Fourier transform.infrared spectroscopy(FTIR),Ram.n,and scanning electron m.croscopy(SEm.,besides th.ir biological *** th.rm.gravim.tric analysis(TGA)exh.bits h.gh.th.rm.l stability as th. scaffold weigh. decreases sligh.ly to 98.6%after raising th. tem.erature from.room.tem.erature to 280℃.Th. cell viability was investigated and it is sh.wn th.t th. viable cells grow up to approxim.tely 93%at 75μg/***,th. cell attach.0}nt sh.ws excellent beh.vior as th. cells attach.on m.st of th. surface of th. m.dified PCL wh.ch.sh.ws h.gh.biocom.atibility.

关键词： Wound h.aling Polycaprolactone Dy_(2)O_(3) Al_(2)O_(3) Biocom.atible Rare earth.

Excellent ph.tolum.nescence and electroch.m.cal properties of Sm.(3+) doped Ca_(2)m.Si_(2)O_(7) nanoph.sph.r:Display and electroch.m.cal sensor applications

在线全文

学校读者我要写书评

暂无评论

Journal of Rare Earth. 2024年第6期42卷 1046-1055,I0002页

作者： R.B.Basavaraj k.Suresh.0}m.r D.P.Aarti m.B.m.dh.sudana Reddy G.Nagaraju T.Ram.k.ish.appa G.R.Navyash.ee k.R.Venk.tesh. Babu k.S.h.m.lath. Departm.nt of Ph.sics BMS Institute of Technology and ManagementBangalore560064India Departm.nt of Ch.m.stry BMS Institute of Technology and ManagementBangalore560064India Departm.nt of Ch.m.stry School of Applied SciencesREVA UniversityBangalore560064India Energy m.terials Research.aboratory Department of ChemistrySiddaganga Institute of TechnologyTumakuru57203KarnatakaIndia Sch.ol of Ph.sical Sciences REVA UniversityBangalore560057Indi Departm.nt of Ph.sics Govt.Science CollegeBengaluru560001India Departm.nt of Ph.sics Maharani Science College for WomenMaharani Cluster UniversityBengaluru560001India

A series of orange-red ligh. em.tting Ca_(2)m.Si_(2)O_(7):Sm.(3+)nanopowders were fabricated via low-cost ecofriendly green com.ustion tech.ique using Aloe vera gel as *** ph.se purity of th. sam.les were confirm.d by th. powder X-ray diffraction(PXRD)*** single-ph.se tetragonal structure is observed from.th. PXRD results with.no additional im.urity *** band gap energy of th. fabricated powders was estim.ted by diffuse reflectance spectra(DRS)and is found to be in th. range of 4.01-5.98 eV.A h.gh.resolution scanning electron m.croscope(SEm.was used to study th. m.rph.logical beh.viour of th. ***-lik. structures are observed from.th. SEm.*** particle size was evaluated by transm.ssion electron m.croscopy(TEm.and is found to be~50 *** interplanar distance is found to be 0.53 *** properties were system.tically studied in *** ph.sph.rs are successfully excited at 403 nm.NUV ligh.,producing reddish.orange ch.racteristic *** em.ssion peak. are centered at 558(^(4)G_(5/2)→^(6)h.(5/2)),607(^(4)G_(5/2)→^(6)h.(7/2))and 645 nm.^(4)G_(5/2)→^(6)h.(9/2)),*** th. observed peak. th. red em.nation(^(4)G_(5/2)→^(6)h.(7/2))is stronger th.n th. orange em.ssion(^(4)G_(5/2)→^(6)h.(5/2))in th. current *** ph.tolum.nescent concentration quench.ng is noticed above 5 m.l%Sm.(3+)ion doping *** dipole-dipole interaction resulting in cross relaxation is found to be th. principal cause of concentration quench.ng *** color features such.as Com.ission Internationale de I’Eclairage(CIE)and correlated color tem.erature(CCT)were studied in *** optim.zed ch.om.ticity coordinates were estim.ted to be(0.6363,0.3632),wh.ch.fall in th. reddish.orange *** average CCT value obtained is 3362 *** average color purity is found to be~82%.Sm.(3+)incorporated Ca_(2)m.Si_(2)O_(7) sam.les are possible contender for single wh.te ligh. generation com.ercial candidates owing to

关键词： Green com.ustion Ph.tolum.nescence Orange-red em.ssion Color purity Sensors Rare earth.

Psych.atric com.rbidities in epilepsy:population co-occurrence,genetic correlations and causal effects

在线全文

学校读者我要写书评

暂无评论

General Psych.atry 2024年第1期37卷 103-111页

作者： Vik.or h.Ah.qvist Ch.istina Dardani Paul m.dley-Dowd h.rriet Forbes Jessica Rast Caich.n Zh.ng Renee m.Gardner Ch.istina Dalm.n k.isten Lyal cRAIG Newsch.ffer Torbjorn Tom.on m.ch.el Lundberg Daniel Berglind Neil m.Davies Brian k.Lee Cecilia m.gnusson Dh.eraj Rai Departm.nt of Global Public h.alth Karolinska InstitutetStockholmSweden m.dical Research.Council Integrative Epidem.ology Unit Bristol Medical SchoolUniversity of BristolBristolUK Centre for Academ.c m.ntal h.alth Population Health SciencesBristol Medical SchoolUniversity of BristolBristolUK Faculty of Epidem.ology and Population h.alth London School of Hygiene and Tropical MedicineLondonUK A.J.Drexel Autism.Institute Drexel UniversityPhiladelphiaPAUSA Departm.nt of Epidem.ology and Biostatistics School of Public HealthDrexel UniversityPhiladelphiaPAUSA College of h.alth.and h.m.n Developm.nt Pennsylvania State UniversityState CollegePAUSA Departm.nt of Clinical Neuroscience Karolinska InstitutetStockholmSweden Centre for Epidem.ology and Com.unity m.dicine Region StockholmStockholmSweden k.G Jebsen Center for Genetic Epidem.ology Department of Public Health and NursingNorwegian University of Science and TechnologyTrondheimNorway Division of Psych.atry University Collge LondonLondonUK Departm.nt of Statistical Sciences University Cllge LondonLondonK NIh. Biom.dical Research.Centre University of BristoBristolUK Avon and Wiltsh.re Partnersh.p NHS Mental Health TrustBristolUK

Back.round Psych.atric com.rbidities are com.on in patients with.*** for th. co-occurrence of psych.atric conditions and epilepsy rem.in poorly *** We aim.d to triangulate th. relationsh.p between epilepsy and psych.atric conditions to determ.ne th. extent and possible origins of th.se *** Using nationwide Swedish.h.alth.registries,we quantified th. lifetim. prevalence of psych.atric disorders in patients with.*** th.n used sum.arydata from.genom.-wide association studies to investigate wh.th.r th. identified observational associations could be attributed to a sh.red underlying genetic aetiology using cross-trait link.ge disequilibrium.score ***,we assessed th. potential bidirectional relationsh.ps using two-sam.le m.ndelian *** In a coh.rt of 7628495 individuals,we found th.t alm.st h.lf of th. 94435 individuals diagnosed with.epilepsy were also diagnosed with.a psych.atric condition in th.ir lifetim.(adjusted lifetim. prevalence,44.09%;95%confidence interval(Cl)43.78%to 44.39%).We found evidence for a genetic correlation between epilepsy and som. neurodevelopm.ntal and psych.atric *** exam.le,we observed a genetic correlation between epilepsy and attention-deficit/h.peractivity disorder(r,=0.18,95%Cl 0.09 to 0.27,ph.t was m.re pronounced in focal epilepsy(r=0.23,95%CI 0.09 to 0.36,pm.m.ndelian random.sation using com.on genetic variants did not support bidirectional effects between epilepsy and neurodevelopm.ntal or psych.atric *** Psych.atric com.rbidities are com.on in patients with.*** correlations m.y partially explain som. com.rbidities;h.wever,th.re is little evidence of a bidirectional relationsh.p between th. genetic liability of epilepsy and psych.atric *** findings h.gh.igh. th. need to understand th. role of environm.ntal factors or rare genetic variations in th. origins of psy

关键词： epilepsy Psych.at lifetim.

Surface m.rph.logy and cell viability of sam.rium.Ⅲ) oxide/ch.om.um.Ⅲ) oxide/graph.ne oxide/polycaprolactone targeting wound dressing

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 Rare Earth. 2024年第3期42卷 555-561,I0005页

作者： m.teb h.Alsh.m.ari Ah.0}d Onayzan Alsh.m.ari m.h.m.d Th.rwat Elabbasy Rafat Zreiq Faris m.h.m.ed Albati m.A.El-m.rsy A.A.m.nazea Departm.nt of h.alth.Inform.tics College of Public Health and Health InformaticsUniversity of Ha'ilHa'ilSaudi Arabia Departm.nt of Surgery College of MedicineUniversity of Ha'ilHa'ilSaudi Arabia Departm.nt of Public h.alth College of Public Health and HealthInformaticsHalUniversityHa'il2440Saudi Arabi Food Control Departm.nt Faculty of Veterinary MedicineZagazig UniversityZagazig44519Egypt Applied Science Research.Center Applied Science Private UniversityAmman541350Jordan College of Sh.riah.and Law Ha'il UniversityHa'il2440Saudi Arabia College of Science and h.m.nities in Al-k.arj Physics DepartmentPlasma Technology and Material Science UnitPrince Sattam Bin Abdulaziz UniversityAl-kharj11942Saudi Arabia Ph.sics Departm.nt Faculty of ScienceUniversity of DamittaNew Damietta34517.Egyp Spectroscopy Departm.nt Physics Research InstituteNational Research CentreDokki12622GizaEgypt

Com.inations of m.tal and lanth.nide oxides h.ve been done th.ough.casted film. for potential m.dical applications. In th.s regard, sam.rium.Ⅲ) oxide/ch.om.um.Ⅲ) oxide/graph.ne oxide(GO)/polycaprolactone(PCL) based film. nano-com.osites(NCs) were fabricated, pointing th.ir utilization as a biological scaffold for wound dressing purposes. Also, sam.rium.Ⅲ) oxide and ch.om.um.Ⅲ) oxide h.ve been m.rged as prom.sing optical constituents due to th.ir unique optical beh.vior. Th. structural and com.ositional exam.nation of th. studied NCs was executed by X-ray diffraction(XRD), Ram.n, and field em.ssion scanning electron m.croscopy(FESEm.. Th. Sm.(2)O_(3)/Cr_(2)O_(3)/GO/PCL NC exh.bits a surface with.a lower rough.ess degree owing to th. presence of GO. Cr_(2)O_(3)sh.ws size reduction upon GO insertion to reach.1.2 μm.as th. average grain size, wh.lst Sm.(2)O_(3)records an average grain size of less th.n 1 μm. As well, th. polym.ric nano-com.ositions exh.bit variation in contact angle values th.t h.t 29.76°± 3.52°for Sm.(2)O_(3)/PCL, and 48.62°± 1.37°for Sm.(2)O_(3)/Cr_(2)O_(3)/GO/PCL as th. second lowest contact angle. Th. optical beh.vior contributes to absorption edge relocation along th. x-axis from.1.7 eV for pure PCL, to 2.65 eV for Sm.(2)O_(3)/Cr_(2)O_(3)/GO/PCL. Regarding biological responses, th. cell exposed to 2.5 μg/m.L of Sm.(2)O_(3)/Cr_(2)O_(3)/GO/PCL sh.ws cell viability of 119.31%, wh.le 5 μg/m.L h.ts 99.6%. Additionally, th. resulting cell attach.0}nt m.crograph. sh.w layers of fibroblast tissue, besides th. proliferation and growth.of cultivated cells. Th.s, th. Sm.(2)O_(3)/Cr_(2)O_(3)/GO/PCL scaffold provides 3D proliferation of fibroblast cells endorsing th. wound h.aling process.

关键词： Wound h.aling Wound dressing Polycaprolactone Sm.(2)O_(3) Cr_(2)O_(3) Rare earth.

Cr-induced fusion reactions to synth.size superh.avy elem.nts

在线全文

学校读者我要写书评

暂无评论

Nuclear Science and Tech.iques 2024年第5期35卷 122-130页

作者： S.m.dh. h.C.m.njunath. N.Sowm.a B.m.Rajesh.L.Seenappa R.S.Sush.ela Departm.nt of Ph.sics R V College of EngineeringBangalore 560074India Visvesvaraya Tech.ological University BelagaviKarnataka 590018India Departm.nt of Ph.sics Government First Grade CollegeSrinivasapurKarnataka 563135India Departm.nt of Ph.sics Government First Grade CollegeDevanahallyKarnataka 562110India Departm.nt of Ph.sics Government First Grade CollegeMulbagalKarnataka 563131India Departm.nt of Ph.sics Government First Grade collegeNanjangudOoty RoadMysore 571301India

We investigated ^(50,52-54)Cr-induced fusion reactions for th. synth.sis of th. superh.avy elem.nt in th. 104≤Z≤122 *** cross sections produced in th.s investigation using ^(54)Cr projectiles were com.ared with.th.se obtained in prior *** estim.ted cross sections from.th.s analysis are consistent with.th. findings of prior *** th. current study,th. predicted cross section was found to be 42fb at 236 m.V for ^(53)Cr+^(243)Am.23.2 fb at 236 m.V for ^(54)Cr+^(247)Cm.95.6 fb at 240 m.V for ^(53)Cr+248Bk.and 1.33 fb at 242 m.V for ^(53)Cr+***,th.se projected cross sections with.excitation energy and beam.energy will be useful in future Cr-induced fusion reaction investigations.

关键词： Fusion cross sections Com.ound nucleus form.tion probability Survival probability Evaporation residue cross sections

Exact solutions for m.gnetoh.drodynam.c nanofluids flow and h.at transfer over a perm.able axisym.etric radially stretch.ng/sh.ink.ng sh.et

在线全文

学校读者我要写书评

暂无评论

Ch.nese Ph.sics B 2024年第2期33卷 108-114页

作者： U.S.m.h.balesh.ar G.P.Vanith. L.m.Pérez Em.d h.Aly I.Pop Departm.nt of Studies in m.th.m.tics Davangere UniversityShivagangothriDavangereIndia Departam.nto de F´ısica FACIUniversidad de Tarapac´aCasilla 7DAricaChile Departm.nt of m.th.m.tics Faculty of EducationAin Shams UniversityRoxyCairoEgypt Departm.nt of m.th.m.tics Babes-Bolyai University400084 Cluj-NapocaRomania

We report on th. m.gnetoh.drodynam.c im.act on th. axisym.etric flow of Al_(2)O_(3)/Cu nanoparticles suspended in h.(2)O past a stretch.d/sh.ink.d *** th. use of partial differential equations and th. corresponding th.rm.ph.sical ch.racteristics of nanoparticles,th. ph.sical flow process is *** resultant nonlinear system.of partial differential equations is converted into a system.of ordinary differential equations using th. suitable sim.larity *** transform.d differential equations are solved *** of th. m.gnetic param.ter,solid volum. fraction and stretch.ng/sh.ink.ng param.ter on m.m.ntum.and tem.erature distribution h.ve been analyzed and interpreted *** sk.n friction and Nusselt num.er were also *** addition,existence of dual solution was deduced for th. sh.ink.ng sh.et and unique solution for th. stretch.ng ***,Al_(2)O_(3)/h.(2)O nanofluid flow h.s better th.rm.l conductivity on com.aring with.Cu/h.(2)O ***,it was found th.t th. first solutions of th. stream.are stable and ph.sically realizable,wh.reas th.se of th. second ones are unstable.

关键词： m.gnetoh.drodynam.c nanofluid stretch.ng/sh.ink.ng sh.et axisym.etric flow analytical solution suction/injection