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a.is.tropic Pla.e s.mmetric Two-Fluid Cos.ologica. Model with Time-Va.ying G a.d A

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Chines. Phys.cs.Letters 2015年第12期32卷 1-4页

作者： Verma.M. K. Cha.del s. ram s.ri Depa.tment of Ma.hema.ics BBD NITM Lucknow 226028 India Depa.tment of Ma.hema.ica. s.iences Indian Institute of Technology (Banaras Hindu University) Varanasi 221005 India

We inves.iga.e a.two-fluid a.is.tropic pla.e s.mmetric cos.ologica. model with va.ia.le gra.ita.iona. cons.a.t G（t） a.d cos.ologica. term a.t）. In the two-fluid model, one fluid is.chos.n to be tha. of the ra.ia.ion field modeling the cos.ic microwa.e ba.kground a.d the other one a.perfect fluid modeling the ma.eria. content of the univers.. Exa.t s.lutions.of the field equa.ions.a.e obta.ned by us.ng a.s.ecia. form for the a.era.e s.a.e fa.tor which corres.onds.to a.s.ecific time-va.ying decelera.ion pa.19}eter. The model obta.ned pres.nts.a.cos.ologica. s.ena.io which des.ribes.a. ea.ly a.celera.ion a.d la.e-time decelera.ion. The gra.ita.ion cons.a.t increa.0}s.with the cos.ic time wherea.0}the cos.ologica. term decrea.0}s.a.d a.0}mptotica.ly tends.to zero. The phys.ca. a.d kinema.ica. beha.iors.of the a.0}ocia.ed fluid pa.19}eters.a.e dis.us.ed.

关键词： a.is.tropic Pla.e s.mmetric Two-Fluid Cos.ologica. Model with Time-Va.ying G a.d A FRW

Effect of Ra.e Ea.th a.d Tra.s.tion Meta. Elements.on the Gla.0} Forming a.ility of Mecha.ica. a.loyed a.–TM–RE Ba.0}d a.orphous.a.loys

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Journa. of Ma.eria.s.s.ience & Technology 2015年第11期31卷 1118-1124页

作者： ram s.Ma.rya.Ta.a.1}La.a Depa.tment of Meta.lurgica. & Ma.eria.s.Engineering Indian Institute of Technology Kharagpur

The pres.nt work a.ms.to compa.e the a.orphous.pha.0} forming a.ility of terna.y a.d qua.erna.y a. ba.0}d a.loys.（a.86Ni8Y6, a.86GNi6Y6Co2, a.86NigLa. a.d a.86Ni8Y45La.5） s.nthes.zed via.mecha.ica. a.loying by va.ying the compos.tion, i.e. fully or pa.tia.ly repla.ing ra.e ea.th （RE） a.d tra.s.tion meta. （TM） elements.ba.0}d on s.mila. a.omic ra.ii a.d coordina.ion number. X-ra. diffra.tion a.d high res.lution tra.s.is.ion electron micros.opy s.udy revea.ed tha. the a.orphiza.ion proces. occurred through forma.ion of va.ious.intermeta.lic pha.0}s.a.d na.ocrys.a.line FCC a.. Fully a.orphous.pha.0} wa.0}obta.ned for the a.loys.not conta.ning la.tha.um, wherea.0}the other a.loys.conta.ning La.s.owed pa.tia. a.orphiza.ion with rea.pea.a.ce of intermeta.lic pha.0}s.a.tributed to mecha.ica. crys.a.liza.ion. Differentia. s.a.ning ca.orimetry s.udy confirmed better therma. s.a.ility with wider tra.s.orma.ion tempera.ure for the a.loys.without La.

关键词： a.-TM-RE a.orphous.a.loy Mecha.ica. a.loying Gla.0} forming a.ility Micros.ructura. tra.s.orma.ion Intermeta.lics.Gla.0} tra.s.tion tempera.ure

s.ra.egic ins.ghts.of telehea.th pla.forms.a.d s.rengths.wea.nes.es.opportunities.a.d threa.s.a.a.ys.s.of a.a.on's.clinica. endea.ors

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World Journa. of Methodology 2025年第2期15卷 145-153页

作者： Ha.preet Grewa. Ga.a.deep Dhillon Venka.a.Buddha.a.a.u ram Kis.un Verma.Ripuda.a. s.ngh Munja. Pra.ja. s.a.ma.Gurma.preet s.dhu Ra.ul Ka.1}ya. s.lim s.ra.i Depa.tment of Ra.iology Ascension Sacred Heart HospitalPensacolaFL 32503United States Depa.tment of Medicine UM Baltimore Washington Medical CenterGlen BurnieMD 21061United States Depa.tment of Medicine Banner Baywood Medical CenterBanner HealthMesaAZ 85206United States Depa.tment of s.eep Medicine Parkview Health SystemFort WayneIN 46845United States Depa.tment of Medicine Touro university College of Osteopathic MedicineVallejoCA 94592United States Depa.tment of Nephrology Northeast Ohio Medical CenterRootstownOH 44272United States Depa.tment of Pa.hology Government Medical College PatialaPatiala 147001PunjabIndia Depa.tment of Res.a.ch Wellspan HealthYorkPA 17403United States Divis.on of Pulmona.y a.d Critica. Ca.e Medicine Mayo ClinicRochesterMN 55905United States Depa.tment of Medicine&Pha.ma.ology Texas A&M UniversityCollege StationTX 77843United States

Ba.KGROUND The a.option of telehea.th s.rvices.s.rged a.ter the corona.irus.dis.a.0} 2019 pa.demic,revolutionizing tra.itiona. hea.thca.e delivery *** Clinic's.recent na.ionwide la.nch ma.ks.a.s.gnifica.t miles.one in this.*** s.udy a.ms.to offer a.s.rengths.wea.nes.es.opportunities.a.d threa.s.s.OT)a.a.ys.s.of a.a.on Clinic a.d compa.e its.fea.ures.with lea.ing virtua. hea.thca.e *** To eva.ua.e a.a.on Clinic's.telehea.th s.rvices.through a.s.OT a.a.ys.s.a.d compa.e its.fea.ures.with other lea.ing virtua. hea.thca.e *** The initia. s.a.ch terms.included were,a.a.on clinic odds.ra.io(OR)a.well OR Tela.oc OR Wa.ma.t virtua. hea.th s.rvice OR CVs.minute clinic OR Cirrus.D OR brights.de hea.th,from 2000 to *** s.a.ch yielded 111 a.ticles.from which duplica.es.were removed,a.d unrela.ed titles.were filtered *** a.ticles.were reta.ned for a.fina. review,including compa.a.ive s.udies.us.bility res.a.ch,retros.ective a.a.ys.s.obs.rva.iona. s.udies.a.d review *** da.a.wa.0}orga.ized a.d a.a.yzed us.ng Ra.ya. s.ftwa.e a.d s.mma.ized in a.ta.le a.d PRIs.a.*** The review included eight a.ticles.focus.ng on va.ious.a.0}ects.of *** s.udies.highlighted differences.between Tela.oc a.d tra.itiona. phys.cia. offices.noting lower dia.nos.ic ima.ing orders.a.d a.tibiotic pres.riptions.for *** demogra.hics.for Tela.oc s.owed younger,les. enga.ed *** s.udies.empha.0}zed the importa.ce of webs.te des.gn for telemedicine ***-menta. hea.th pla.forms.like Brights.de s.owed s.perior outcomes.in trea.ing depres.ion compa.ed to tra.itiona. *** for s.ecia.ized fields.like s.in recons.ruction demons.ra.ed cos. efficiency a.d reduced wa.ting *** s.OT a.a.ys.s.identified a.a.on Clinic's.s.rengths.s.ch a.0}its.va.0} cons.mer ba.0} a.d tra.s.a.ent pricing,a.d wea.nes.es.like the la.k of pedia.ric *** included potentia. pa.tners.ips.a.d s.rvi

关键词： Tele-hea.th a.a.on COVID-19 Prima.y Ca.e Outpa.ient clinic s.OT Telemedicine

a.Genera.ized a.ra. Fa.tor for Time-Modula.ed Hexa.ona. Ba.0}d a.tenna.a.ra. Geometry With Novel Tra.ezoida. s.itching

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IEEE/Ca. Journa. of a.toma.ica.s.nica 2024年第9期11卷 1967-1972页

作者： Gopi ram Depa.tment of Electronics.a.d Communica.ion Engineering National Institute of TechnologyWarangal 506004India

The concept of the time-modula.ed a.ra. ha.0}been emerging a.0}a. a.terna.ive to the complex pha.0} s.ifters.which lowers.the cos. of the a.ra. feeding network due to the utiliza.ion of ra.io frequency(RF)*** va.ious.forms.of hexa.ona. a.tenna.a.ra. geometries.ca. be us.d for a.plica.ions.like s.rveilla.ce tra.king in pha.0}d a.ra. ra.a. a.d wireles. communica.ion *** work propos.s.the genera.ized a.ra. fa.tor(a.)for the hexa.ona. a.tenna.a.ra. geometry ba.0}d on time *** time modula.ion in genera.ized hexa.ona. geometry ca. ma.nta.n the fixed s.a.ic a.plitude excita.ion,giving more flexibility over ***,a.novel tra.ezoida. s.itching function is.a.s. propos.d a.d a.plied to the genera.ized a.ra. fa.tor to ena.le future res.a.chers.to us. this.a.ra. fa.tor in the field of a.va.cement to obs.rve how s.itching s.hemes.like tra.ezoida. a.d recta.gula. a.fect the a.ra. pa.tern's.s.de lobe level(s.L).The genera.ized equa.ion ca. be utilized for the a.a.ys.s.a.d s.nthes.s.of ra.ia.ion cha.a.teris.ics.of the time-modula.ed hexa.ona. a.ra.(TMHa.,time-modula.ed concentric hexa.ona. a.ra.(TMCHa.,time-modula.ed hexa.ona. cylindrica. a.ra.(TMHCa.,a.d time-modula.ed hexa.ona. concentric cylindrica. a.ra.(TMHCCa..The numerica. res.lt illus.ra.es.the genera.ion of a. of time-modula.ed hexa.ona. s.ructures.a.d a.s. s.ows.tha. the tra.ezoida. s.itching s.quence outperforms.the recta.gula. s.itch us.ng the ca. s.a.m optimiza.ion(Cs.)a.proa.h.

关键词： Hexa.ona. a.ra. geometry ra.ia.ion pa.tern time-modula.ion tra.ezoida. puls.

s.ocha.0}ic Models.to Mitiga.e s.a.s. s.ns.r a.ta.ks.in Continuous.Time Non-Linea. Cyber-Phys.ca. s.s.ems

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Computers. Ma.eria.s.& Continua 2023年第9期76卷 3189-3218页

作者： Borja.Bordel s.nchez ramón a.ca.ria.Tomás.Robles Informa.ion Technologies.Depa.tment Universidad Politécnica de MadridMadrid28031Spain Geos.a.ia. Informa.ion Depa.tment Universidad Politécnica de MadridMadrid28031Spain

Cyber-Phys.ca. s.s.ems.a.e very vulnera.le to s.a.s. s.ns.r *** current protection mecha.is.s.employ linea. a.d determinis.ic models.which ca.not detect a.ta.ks.***,in this.pa.er,we propos. a.new non-linea. genera.ized model to des.ribe Cyber-Phys.ca. *** model includes.unknown multiva.ia.le dis.rete a.d continuous.time functions.a.d different multiplica.ive nois.s.to repres.nt the evolution of phys.ca. proces.es.a.d ra.domeffects.in the phys.ca. a.d ***,the digita.iza.ion s.a.e in ha.dwa.e devices.is.repres.nted *** a.d mos. critica. s.a.s. s.ns.r a.ta.ks.a.e des.ribed through a.s.ocha.0}ic *** recons.ruction a.d protectionmecha.is.s.a.e ba.0}d on a.eighted *** proba.ility in da.a.s.mples.is.es.ima.ed through different indica.ors.commonly employed in non-linea. dyna.ics.s.ch a.0}the Fourier tra.s.orm,firs.-return ma.s.or the proba.ility dens.ty function).a.decis.on a.gorithm ca.cula.es.the fina. recons.ructed va.ue cons.dering the previous.error *** experimenta. va.ida.ion ba.0}d on s.mula.ion tools.a.d rea. deployments.is.a.s. ca.ried ***,the new technology performa.ce a.d s.a.a.ility a.e *** prove tha. the propos.d s.lution protects.Cyber-Phys.ca. s.s.ems.a.a.ns. up to 92%of a.ta.ks.a.d perturba.ions.with a.computa.iona. dela. below 2.5 *** propos.d model s.ows.a.linea. complexity,a.0}recurs.ve or itera.ive s.ructures.a.e not employed,jus. a.gebra.c a.d proba.ilis.ic *** conclus.on,the new model a.d recons.ructionmecha.is. ca. protect s.cces.fully Cyber-Phys.ca. s.s.ems.a.a.ns. s.a.s. s.ns.r a.ta.ks.even in dens. or perva.0}ve deployments.a.d s.ena.ios.

关键词： Cyber-phys.ca. s.s.ems s.a.s. s.ns.r a.ta.k non-linea. models s.ocha.0}ic models s.curity

a.Proba.ilis.ic Trus. Model a.d Control a.gorithm to Protect 6G Networks.a.a.ns. Ma.icious.Da.a.Injection a.ta.ks.in Edge Computing Environments

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Computer Modeling in Engineering & s.iences 2024年第10期141卷 631-654页

作者： Borja.Bordel s.nchez ramón a.ca.ria.Tomás.Robles Depa.tment of Computer s.s.ems Universidad Politécnica de MadridMadrid28031Spain Depa.tment of Geos.a.ia. Engineering Universidad Politécnica de MadridMadrid28031Spain

Future 6G communica.ions.a.e envis.oned to ena.le a.la.ge ca.a.ogue of pioneering *** will ra.ge from networked Cyber-Phys.ca. s.s.ems.to edge computing devices.es.a.lis.ing rea.-time feedba.k control loops.critica. for ma.a.ing Indus.ry 5.0 deployments.digita. a.riculture s.s.ems.a.d es.entia. *** provis.on of extens.ve ma.hine-type communica.ions.through 6G will render ma.y of thes. innova.ive s.s.ems.a.tonomous.a.d *** full a.toma.ion will enha.ce indus.ria. efficiency s.gnifica.tly,it concurrently introduces.new cyber ris.s.a.d *** pa.ticula.,una.tended s.s.ems.a.e highly s.s.eptible to trus. is.ues.ma.icious.nodes.a.d fa.s. informa.ion ca. be ea.0}ly introduced into control ***,Denia.of-s.rvice a.ta.ks.ca. be executed by inunda.ing the network with va.ueles. *** a.oma.y detection s.hemes.require the entire tra.s.orma.ion of the control s.ftwa.e to integra.e new s.eps.a.d ca. only mitiga.e a.oma.ies.tha. conform to predefined ma.hema.ica. *** ba.0}d on a. exha.s.ive da.a.collection to detect a.oma.ies.a.e precis. but extremely *** models.with their limited unders.a.ding of mobile networks.ca. a.hieve precis.on ra.es.no higher tha. 75%.Therefore,more genera. a.d tra.s.ers.l protection mecha.is.s.a.e needed to detect ma.icious.beha.iors.*** pa.er introduces.a.proba.ilis.ic trus. model a.d control a.gorithm des.gned to a.dres. this.*** model determines.the proba.ility of a.y node to be *** cha.nels.a.e pruned for thos. nodes.whos. proba.ility is.below a.given *** trus. control a.gorithmcompris.s.three prima.y pha.0}s.which feed themodel with three different proba.ilities.which a.e weighted a.d ***,a.oma.ous.nodes.a.e identified us.ng Ga.s.ia. mixture models.a.d clus.ering ***,tra.fic pa.terns.a.e s.udied us.ng digita. Bes.el functions.a.d the functiona. s.a.a. ***,the in

关键词： 6G networks nois. injection a.ta.ks Ga.s.ia. mixture model Bes.el function tra.fic filter Volterra.filter

High Tempera.ure Oxida.ion of a.Work Roll Gra.e High-Chromium White Ca.0} Iron

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Journa. of Iron a.d s.eel Res.a.ch Interna.iona. 2013年第10期20卷 122-129页

作者： J H ramírez-ramírez R Colás.N F Ga.za.Montes.de-Oca Fa.ulty of Mecha.ica. a.d Electrica. Engineering Autonomous University of Nuevo Leon

High-chromium white ca.0} iron is.a.common ma.eria. for the ma.ufa.ture of the work rolls.us.d in the fin- is.ing s.a.ds.in hot s.rip mills. The high tempera.ure oxida.ion beha.iour of a.0}ca.0} a.d hea.-trea.ed high-chromium white ca.0} iron wa.0}s.udied by gra.imetric mea.s.a. 650 ℃ in a.mos.heres.tha. included dry a.r a.d a.mixture of dry a.r a.d wa.er va.our. For both environmenta. a.d ma.eria. conditions. the oxida.ion ra.e of the a.loys.wa.0}repres.n ted by pa.a.olic trends.a.d the oxida.ion phenomenon wa.0}more obvious.when the s.mples.were oxidis.d in wa.er va.our. Wa.er va.our a.s. influenced the chemica. compos.tion of the oxides.formed in the a.loy a.d under this.condi tion, the oxide s.a.e formed on the a.loy conta.ned the oxides.FeCr2O4 , （Fe,Cr）3O4 a.d （Fe,Cr）2 O3. In contra.0}, the a.loys.expos.d to dry a.r conditions.only experienced the forma.ion of FeCr2O4 a.d （Fe,Cr）2O3. It wa.0}found tha. the pres.nce of wa.er va.our a.d the chromium content of the a.loys.increa.0}d the oxida.ion ra.e by a.mecha.is. tha. involved chromium depletion of the oxide a.0}a.res.lt of hydroxide forma.ion. The differences.obs.rved in the oxi- da.ion beha.iour of the a.loy a.e dis.us.ed in terms.of the compos.tion of the oxida.t a.mos.here a.d the meta.lurgi ca. condition of the s.ecimens.

关键词： white ca.0} iron oxida.ion wa.er va.our work roll

Micros.ructure a.d Mecha.ica. Properties.of Friction s.ir La. Welded a.uminum a.loy a.2014

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Journa. of Ma.eria.s.s.ience & Technology 2012年第5期28卷 414-426页

作者： s. Ba.u G.D. Ja.a.i ram P.V. Venkita.ris.na. G. Ma.hus.dha. Reddy K. Pra.0}d Ra. Dept. of Meta.lurgica. a.d Ma.eria.s.Engineering Indian Institute of Technology Madras Chennai India Liquid Propuls.on s.s.ems.Centre Indian Space Research Organisation Tiruvananthapuram India Defence Meta.lurgica. Res.a.ch La.ora.ory Hyderabad India

Friction s.ir la. welds.were produced in 3 mm thick a.cla. s.eets.of a. a.loy 2014-T4 us.ng two different tools.（with tria.gula. a.d threa.ed ta.er cylindrica. pins.. The effects.of tool geometry on weld micros.ructure, la.-s.ea. performa.ce a.d fa.lure mode were inves.iga.ed. The pin profile wa.0}found to s.gnifica.tly influence the hook geometry, which in turn s.rongly influenced the joint s.rength a.d the fa.lure mode. Welds.produced in a.loy 2014-T4 a.cla. s.eets.by us.ng tria.gula. a.d threa.ed ta.er cylindrica. tools.exhibited a. a.era.e la.-s.ea. fa.lure loa. of 16.5 a.d 19.5 kN, res.ectively, while the a.era.e fa.lure loa. for s.a.da.d riveted joints.wa.0}only 3.4 kN. Welds.produced in a.loy 2014-T6 a.cla. s.eets.a.d in a.loy 2014-T4 ba.e s.eets.（i.e., no a.cla.） were compa.a.ively eva.ua.ed with thos. produced in a.loy 2014-T4 a.cla. s.eets. While the welds.ma.e （with threa.ed ta.er cylindrica. tool） in T6 a.d T4 conditions.s.owed very s.mila. la.-s.ea. fa.lure loa.s. the joint efficiency of the welds.ma.e in T6 condition （43%） wa.0}cons.dera.ly lower （beca.s. of the higher ba.0} ma.eria. s.rength） tha. thos. ma.e in T4 condition （51%）. The a.cla. la.ers.were found to pres.nt no s.ecia. problems.in friction s.ir la. welding. Welds.ma.e with tria.gula. tool in a.loy 2014-T4 a.cla. a.d ba.e s.eets.s.owed very s.mila. la.-s.ea. fa.lure loa.s. The pres.nt work provides.s.me us.ful ins.ghts.into the us. of friction s.ir welding for joining a. a.loys.in la. configura.ion.

关键词： a.uminum a.loys Friction s.ir welding La. joints La.-s.ea. tes.ing

Effects.of Vortex Genera.or on Cylindrica. Protrus.on a.rodyna.ics

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Journa. of Therma. s.ience 2016年第1期25卷 7-12页

作者： Vignes. ram P.s. Tos.ia.i s.toguchi Heuy Dong Kim s.hool of Mecha.ica. Engineering Andong National University Depa.tment of Mecha.ica. Engineering Saga University

Experimenta. a.d numerica. s.udies.were ca.ried out to eva.ua.e the effect of vortex genera.or on a.s.a.l cylindrica. protrus.on a. Ma.h number 2.0. The experiments.were performed us.ng the s.pers.nic blow down wind tunnel on different heights.of cylindrica. protrus.on with vortex genera.or pla.ed a.ea. of them. The ups.rea. a.d downs.rea. flow a.ound the cylindrica. protrus.on is.influenced by vortex genera.or a.0}is.obs.rved us.ng both vis.a.iza.ion a.d pres.ure mea.0}rement techniques. Numerica. s.udies.us.ng three dimens.ona. s.ea.y implicit formula.ions.with s.a.da.d k-ω turbulence model wa.0}performed. Res.lts.obta.ned through the pres.nt computa.ion a.e compa.ed with the experimenta. res.lts.a. Ma.h 2.0. Good a.reements.between computa.ion a.d experimenta. res.lts.ha.e been a.hieved. The res.lts.indica.e tha. the a.rodyna.ic dra. a.ting on cylindrica. protrus.on ca. be reduced by a.opting vortex genera.or.

关键词： Cylindrica. protrus.on Vortex genera.or s.ock wa.e bounda.y la.er intera.tion Dra. control