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AutoRhythmAI: A Hybrid Machine and Deep Learning Approach f.r Automated Diagnos.s.of.Arrhythmias

Computers. Materials.& Continua 2024年第2期78卷 2137-2158页

作者： s.Jayanthi s.Pras.nna Devi Department of.Computer s.ience and Engineering SRM Institute of Science and Technology-Vadapalani CampusChennaiTamil NaduIndia

In healthcare,the pers.s.ent challenge of.arrhythmias.a leading caus. of.global mortality,has.s.arked extens.ve res.arch into the automation of.detection us.ng machine learning(ML)***,traditional ML and AutoML approaches.have revealed their limitations.notably regarding f.ature generalization and automation *** glaring res.arch gap has.motivated the development of.AutoRhythmAI,an innovative s.lution that integrates.both machine and deep learning to revolutionize the diagnos.s.of.*** approach encompas.es.two dis.inct pipelines.tailored f.r binary-clas. and multi-clas. arrhythmia detection,ef.ectively bridging the gap between data preproces.ing and model *** validate our s.s.em,we have rigorous.y tes.ed AutoRhythmAI us.ng a multimodal datas.t,s.rpas.ing the accuracy achieved us.ng a s.ngle datas.t and unders.oring the robus.nes. of.our *** the f.rs. pipeline,we employ s.gnal f.ltering and ML algorithms.f.r preproces.ing,f.llowed by data balancing and s.lit f.r *** s.cond pipeline is.dedicated to f.ature extraction and clas.if.cation,utilizing deep learning ***,we introduce the‘RRI-convoluted trans.f.rmer model’as.a novel addition f.r binary-clas. *** ens.mble-bas.d approach then amalgamates.all models.cons.dering their res.ective weights.res.lting in an optimal model *** our s.udy,the VGGRes.Model achieved impres.ive res.lts.in multi-clas. arrhythmia detection,with an accuracy of.97.39%and f.rm perf.rmance in precis.on(82.13%),recall(31.91%),and f.-s.ore(82.61%).In the binary-clas. tas.,the propos.d model achieved an outs.anding accuracy of.96.60%.Thes. res.lts.highlight the ef.ectivenes. of.our approach in improving arrhythmia detection,with notably high accuracy and well-balanced perf.rmance metrics.

关键词： Automated machine learning neural networks deep learning arrhythmias

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A Comprehens.ve Review on Charging Topologies.and Power Electronic Converter s.lutions.f.r Electric Vehicles

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Journal of.Modern Power s.s.ems.and Clean Energy 2024年第3期12卷 675-694页

作者： Abdelf.tah Ali Hos.am H.H.Mous. Mos.af. f.s.aaban Maher A.Azzouz Ahmed s.A.Awad the Department of.Electrical Engineering American University of Sharjah26666 SharjahUnited Arab Emirates the Department of.Electrical Engineering South Valley University83523 QenaEgypt the Department of.Electrical and Computer Engineering University of WindsorWindsorON N9B 3P4 Canada Electrical Engineering Department Qatar UniversityDoha 2713Qatar Department of.Electrical and Computer Engineering Sultan Qaboos UniversityMuscat123Oman

Electric vehicles.EVs.are becoming more popular worldwide due to environmental concerns.f.el s.curity,and price *** perf.rmance of.EVs.relies.on the energy s.ored in their batteries.which can be charged us.ng either AC(s.ow)or DC(f.s.)***,EVs.can als. be us.d as.mobile power s.orage devices.us.ng vehicle-to-grid(V2G)*** electronic converters.PECs.have a cons.ructive role in EV applications.both in charging EVs.and in ***,this.paper comprehens.vely inves.igates.the s.ate of.the art of.EV charging topologies.and PEC s.lutions.f.r EV *** examines.PECs.f.om the point of.view of.their clas.if.cations.conf.gurations.control approaches.and f.ture res.arch pros.ects.and their impacts.on power *** can be clas.if.ed into various.topologies.DC-DC converters.AC-DC converters.DC-AC converters.and AC-AC *** addres. the limitations.of.traditional DC-DC converters.s.ch as.s.itching los.es.s.ze,and high-electromagnetic interf.rence(EMI),res.nant converters.and multiport converters.are being us.d in high-voltage EV ***,power-train converters.have been modif.ed f.r high-ef.iciency and reliability in EV *** paper of.ers.an overview of.charging topologies.PECs.challenges.with s.lutions.and f.ture trends.in the f.eld of.the EV charging s.ation applications.

关键词： Charging s.ation charging topology electric vehicle power electronic converter vehicle-to-grid

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The as.mptotic behavior f.r a binary alloy in energy and material s.ience:The unif.ed method and its.applications

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Journal of.Ocean Engineering and s.ience 2024年第4期9卷 373-378页

作者： M.Adel K.Aldwoah f.Alahmadi M.s.Os.an Department of.Mathematics Faculty of ScienceIslamic University of MadinahMedinaSaudi Arabia Department of.Mathematics Faculty of ScienceCairo UniversityGiza 12613Egypt

The Cahn-Hilliard s.s.em was.propos.d to the f.rs. time by Chan and Hilliard in *** model(or s.s.em of.equations.has.intrins.c participation energy and materials.s.iences.and depicts.s.gnif.cant characteris.ics.of.two phas. s.s.ems.relating to the procedures.of.phas. s.paration when the temperature is.*** ins.ance,it can be noticed when a binary alloy(“Aluminum+Zinc”or“Iron+Chromium”)is.cooled down *** this.cas.,partially or totally nucleation(nucleation means.the appearance of.nuclides.in the material)is.obs.rved:the homogeneous.material in the initial s.ate gradually turns.into inhomogeneous.giving ris. to a very accurate dis.ers.ve ***,when the time s.ale is.s.ower the micros.ructure becomes.*** this.work,to the f.rs. time,the unif.ed method is.pres.nted to inves.igate s.me phys.cal interpretations.f.r the s.lutions.of.the Cahn-Hilliard s.s.em when its.coef.icients.varying with time,and to s.ow how phas. s.paration of.one or two components.and their concentrations.occurs.dynamically in the ***,2D and 3D plots.are introduced to add more comprehens.ve s.udy which help to unders.and the phys.cal phenomena of.this.*** technique applied in this.analys.s.is.powerf.l and ef.icient,as.evidenced by the computational work and *** technique can als. s.lve a large number of.higher-order evolution equations.

关键词： Cahn-Hilliard s.s.em Traveling wave s.lutions The unif.ed method Variable coef.icients

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RPLP0/TBP are the mos. s.able ref.rence genes.f.r human dental pulp s.em cells.under os.eogenic dif.erentiation

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World Journal of.s.em Cells 2024年第6期16卷 656-669页

作者： Daniel B f.rreira Leticia M Gas.aroni Cris.iane f.Bronzeri Katiucia B s.Paiva Laboratory of.Extracellular Matrix Biology and Cellular Interaction Department of AnatomyInstitute of Biomedical SciencesUniversity of São PauloSão Paulo 05508-000São PauloBrazil

BACKGROUND Validation of.the ref.rence gene(RG)s.ability during experimental analys.s.is.es.ential f.r correct quantitative real-time polymeras. chain reaction(RT-qPCR)data ***,in an unreliable way,s.veral s.udies.us. genes.involved in es.ential cellular f.nctions.glyceraldehyde-3-phos.hate dehydro-genas.(GAPDH),18s.rRNA,andβ-actin]without paying attention to whether they are s.itable f.r s.ch experimental conditions.or the reas.n f.r choos.ng s.ch ***,s.ch s.udies.us. only one gene when Minimum Inf.rmation f.r Publication of.Quantitative Real-Time PCR Experiments.guidelines.recom-mend two or more *** impacts.the credibility of.thes. s.udies.and caus.s.dis.tortions.in the gene expres.ion *** tis.ue engineering,the accuracy of.gene expres.ion drives.the bes. experimental or therapeutical *** cultivated DPs.s.under two conditions.Undif.erentiated and os.eogenic dif.f.rentiation,both f.r 35 *** evaluated the gene expres.ion of.10 candidates.f.r RGs.ribos.mal protein,large,P0(RPLP0),TATA-binding protein(TBP),GAPDH,actin beta(ACTB),tubulin(TUB),aminolevulinic acid s.nthas. 1(ALAs.),tyro-s.ne 3-monooxygenas./tryptophan 5-monooxygenas. activation protein,zeta(YWHAZ),eukaryotic trans.ational elongation f.ctor 1 alpha(Ef.a),s.ccinate dehydrogenas. complex,s.bunit A,f.avoprotein(s.HA),and beta-2-micro-globulin(B2M)]every 7 d(1,7,14,21,28,and 35 d)by *** data were analys.d by the f.ur main algorithms.ΔCt method,geNorm,Normf.nder,and Bes.Keeper and ranked by the Ref.inder *** s.bdivided the s.mples.into eight *** All of.the data s.ts.f.om clonogenic and os.eogenic s.mples.were analys.d us.ng the Ref.inder *** f.nal ranking s.owed RPLP0/TBP as.the two mos. s.able RGs.and TUB/B2M as.the two leas. s.able *** theΔCt method or Normf.nder analys.s.s.owed TBP/RPLP0 as.the two mos. s.able ***,geNorm analys.s.s.owed RPLP0/Ef.αin the f.rs. *** algorithms.two leas. s.ab

关键词： Dental pulp s.em cells Ref.rence gene Hous.keeping gene Endogenous.gene Os.eogenic dif.erentiation Ref.inder

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Collective Molecular Machines. Multidimens.onality and Reconf.gurability

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Nano-Micro Letters 2024年第8期16卷 309-340页

作者： Bin Wang yuan Lu Department of.Chemical Engineering Tsinghua UniversityBeijing 100084People’s Republic of China Key Laboratory of.Indus.rial Biocatalys.s Ministry of EducationTsinghua UniversityBeijing 100084People’s Republic of China

Molecular machines.are key to cellular activity where they are involved in converting chemical and light energy into ef.icient mechanical *** the las. 60 years.des.gning molecular s.ructures.capable of.generating unidirectional mechanical motion at the nanos.ale has.been the topic of.intens. *** progres. has.been made,attributed to advances.in various.f.elds.s.ch as.s.pramolecular chemis.ry,biology and nanotechnology,and ***,individual molecular machines.are only capable of.producing nanometer work and generally have only a s.ngle *** order to addres. thes. problems.collective behaviors.realized by integrating s.veral or more of.thes. individual mechanical units.in s.ace and time have become a new *** this.review,we comprehens.vely dis.us. recent developments.in the collective behaviors.of.molecular *** particular,collective behavior is.divided into two *** is.the appropriate integration of.molecular machines.to ef.iciently amplif. molecular motions.and def.rmations.to cons.ruct novel f.nctional *** other is.the cons.ruction of.s.arming modes.at the s.pramolecular level to perf.rm nanos.ale or micros.ale *** dis.us. des.gn s.rategies.f.r both modes.and f.cus.on the modulation of.f.atures.and ***,in order to addres. exis.ing challenges.the idea of.trans.erring experience gained in the f.eld of.micro/nano robotics.is.pres.nted,of.ering pros.ects.f.r f.ture developments.in the collective behavior of.molecular machines.

关键词： Molecular machines Collective control Collective behaviors DNA Biomolecular motors

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s.ecif.c *** valorem taxation and s.cial welf.re in mixed duopoly with f.reign owners.ip

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Economic and Political s.udies 2024年第2期12卷 207-219页

作者： Ming s.n Leonard f.s.Wang Qidi Zhang s.hool of.Economics.and Management Chang’an UniversityXi’anChina Wenlan s.hool of.Bus.nes. Zhongnan University of Economics and LawWuhanChina

In this.paper,we s.t up a mixed duopoly competition model between s.ate-owned and private f.rms.in order to compare s.ecif.c and ad valorem *** that the total output under s.ecif.c and ad valorem taxation remains.unchanged,we f.nd that if.the public f.rm is.completely privatis.d,the output of.the private f.rm under the two tax s.hemes.will be the *** the public f.rm is.not completely privatis.d,the output of.the the private f.rm under s.ecif.c taxation will be greater than that under ad valorem *** the private f.rm is.a pure local one,the s.cial benef.ts.will be the s.me under the two tax ***,if.the private f.rm is.a joint venture that involves.domes.ic and f.reign entities.s.cial welf.re under ad valorem taxation will be greater than that under s.ecif.c taxation.

关键词： s.ecif.c taxation ad valorem taxation mixed duopoly imperf.ct competition privatis.tion f.reign owners.ip

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Theoretical s.udy on the s.nergis.ic mechanis. of.f.–Mn in s.dium-ion batteries

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Particuology 2024年第10期93卷 284-290页

作者： Yang You Mingliang yuan s.hool of.Mineral Proces.ing and Bioengineering Central South UniversityChangsha410083China

This.article conducts.f.rs.-principles.calculations.to initially explore the cons.ruction of.two conf.gurations.Naf.O_(2)(Nf.)and NaMnO_(2)(NMO),and s.udies.the mixing enthalpies.under dif.erent f.–Mn *** res.lts.indicate that Naf.3/8Mn5/8O_(2)(Nf.O)exhibits.the mos. thermodynamically s.able *** calculations.on the mixing enthalpies.and volume changes.during the s.dium extraction proces. f.r Nf.,NMO,and Nf.O conf.gurations.are pres.nted,along with the partial dens.ty of.s.ates.PDOs.and Bader charges.of.trans.tion metals.TM)and *** calculations.reveal the s.nergis.ic mechanis. of.f. and *** and Mn can engage in more complex electron exchanges.during s.dium extraction,optimizing the internal electron dens.ty dis.ribution and overall charge balance,thereby s.abilizing the crys.al s.ructure and reducing the migration of.f.^(3+)to the s.dium layers.during deep s.dium *** interaction between f.’s.3d electrons.and Mn’s.3d electrons.through the s.ared oxygen atoms.2p orbitals.occurs.in the f.–Mn–O *** interaction can lead to a rebalancing of.the electron dens.ty around Mn³⁺atoms.mitigating the as.mmetric electron dens.ty dis.ribution caus.d by the d4 conf.guration of.the lone Mn³⁺and s.ppres.ing the Jahn-Teller ef.ect of.Mn^(3+).Moreover,the s.nergis.ic ef.ects.between f. and Mn can provide a more balanced charge dis.ribution,reducing extreme changes.to the charge s.ate of.oxygen atoms.and decreas.ng the irrevers.ble oxygen releas. caus.d by anionic redox reactions.during deep s.dium extraction,thereby enhancing the material’s.*** in-depth s.udy of.the interaction mechanis. at the micros.opic level when co-doping f. and Mn of.ers.valuable ins.ghts.f.r the rational des.gn and development of.high-perf.rmance cathode materials.

关键词： f.rs.-principles.calculations s.dium-ionbatteries Layered oxides Naf._(3/8)Mn_(3/8)O_(2)

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Pyrolys.s.Empirical Modeling of.Polyes.er Glas. f.ber Reinf.rced Plas.ics.Us.ng s.s.ak-Berggren Model Method

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Journal of.Thermal s.ience 2024年第2期33卷 725-738页

作者： NAN Wei JI Wenhui yuan Yanping yuan Zhongyuan s.N Yong s.hool of.Mechanical Engineering Southwest Jiaotong UniversityChengdu610031China CRRC Changchun Railway Vehicles.Co. LtdChangchun130062China

Polyes.er Glas. f.ber Reinf.rced Plas.ic(Polyes.er Gf.P),a thermos.tting plas.ic compris.d of.glas. f.ber and polyes.er polymer compounds.is.extens.vely utilized in high-s.eed *** its.pyrolys.s.mechanis. is.crucial as.it s.gnif.cantly inf.uences.the combus.ion characteris.ics.and f.re s.f.ty ***,kinetic res.arch on polyes.er Gf.P primarily f.cus.s.on employing the Coats.Redf.rn method to derive a theoretical kinetic ***,the pyrolys.s.proces. of.polyes.er Gf.P is.complex and the af.rementioned theoretical model f.ils.to accurately des.ribe the pyrolys.s.***,this.s.udy s.eks.to utilize the s.s.ak and Berggren(s.) model as.a methodological approach to reveal the complex reaction mechanis. during the pyrolys.s.*** on thermogravimetric analys.s.the entire pyrolys.s.proces. of.polyes.er Gf.P is.divided into two primary ***,model-f.ee methods.are employed to as.ertain the activation energy and pre-exponential *** res.lts.s.ow that the f.tted empirical models.of.the two main pyrolys.s.s.ages.are f.α)=(1-α)^(1.47)[-ln(1-α)]^(1.50) and f.α)=(1-α)^(1.77)[-ln(1-α)]^(1.72),*** predicted res.lts.are in good agreement with experimental data under dif.erent heating rates.which indicates.that the empirical model can s.f.iciently des.ribe the pyrolys.s.proces. of.polyes.er Gf.P.

关键词： polyes.er Gf.P model-f.tting methods empirical models pyrolys.s

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s.il res.lience as.es.ment us.ng s.il prof.le des.riptions.and Analytic Hierarchy Proces. in Mediterranean mountains.cons.dering divers. f.re occurrences

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Journal of.Mountain s.ience 2024年第8期21卷 2517-2532页

作者： Jes.s.RODRIGO-COMINO Departamento de Anális.s.Geográf.co Regional y Geograf.a f.s.ca Facultad de Filosofía y LetrasCampus Universitario de CartujaUniversidad de GranadaGranada 18071Spain

Wildf.res.are complex natural phenomena that exert s.gnif.cant impacts.on lands.apes.s.cieties.and *** the concept of.res.lience is.crucial in mitigating its.pos.ible negative impacts.as.it involves.preparing f.r,res.onding to,and recovering f.om *** res.arch aims.to demons.rate the utility of.in s.tu s.il prof.le des.ription in as.es.ing land us. res.lience us.ng an Analytic Hierarchy Proces.(AHP)through an expert panel *** s.udy examines.a catchment located in the Balearic Is.ands.cons.dering two f.re occurrences.once and twice),comparing abandoned agricultural terraces.and natural *** res.lts.demons.rated that the priority ranking of.variables.to as.es. s.il prof.le res.lience agains. wildf.res.determined by a panel of.10 experts.identif.ed horizon depth(25.1%),s.ope inclination(21.5%),and hydrological connectivity(16.6%)as.the mos. crucial *** variables.s.ch as.number and s.ze of.roots.s.ructure of.pedal s.il material,s.ze clas. s.ructure,and rock f.agments.als. contributed to res.lience but to a les.er extent,with s.ores.ranging f.om 5.7%to 9.6%.Analyzing the priorities.es.ablis.ed by the experts.us.ng AHP,the res.lts.s.owed that the leas. res.lient s.il horizon was.H1 of.the control hills.ope,es.ecially under high and low connectivity proces.es.which aligned with the los. of.s.perf.cial s.il horizons.af.er one and two *** s.owed greater changes.in res.lience af.er occurring wildf.res.compared to terraces.with the mos. s.gnif.cant alterations.occurring af.er the s.cond wildf.re *** s.udy addres.es.a s.gnif.cant knowledge gap in the f.eld by highlighting the interconnectednes. of.wildf.res.res.lience,and land us.,providing ins.ghts.into land management s.rategies.f.r wildf.re-prone regions.

关键词： s.il prof.les s.il geography Wildf.res AHP Land management Expert panel s.rvey

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Numerical Analys.s.of.the Magnetic Dipole Ef.ect on a Radiative f.rromagnetic Liquid f.owing over a Porous.s.retched s.eet

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f.uid Dynamics.& Materials.Proces.ing 2024年第2期20卷 293-310页

作者： G.Dharmaiah f.Mebarek-Oudina K.s.Balamurugan N.Vedavathi Department of.Mathematics Narasaraopeta Engineering CollegeNarasaraopetIndia Department of.Phys.cs Faculty of SciencesUniversity of 20 Août 1955-SkikdaSkikdaAlgeria Department of.Mathematics RVR&JC College of EngineeringGunturIndia Department of.Mathematics Koneru Lakshmaiah Education FoundationVaddeswaramIndia

The ef.ects.of.a magnetic dipole on a nonlinear thermally radiative f.rromagnetic liquidﬂowing over a s.retched s.rf.ce in the pres.nce of.Brownian motion and thermophores.s.are *** means.of.a s.milarity trans.ormation,ordinary dif.erential equations.are derived and s.lved af.erwards.us.ng a numerical(the BVP4C)*** impact of.various.parameters.namely the velocity,temperature,concentration,is.pres.nted *** is.s.own that the nanoparticles.properties.in conjunction with the magnetic dipole ef.ect,can increas. the thermal conductivity of.the engineered nanoﬂuid and,cons.quently,the heat *** with earlier s.udies.indicates.high accuracy and ef.ectivenes. of.the numerical *** increas. in the Brow-nian motion parameter and thermophores.s.parameter enhances.the concentration and the related boundary *** s.in-f.iction ris.s.when the vis.os.ty parameter is.increas.d.A larger value of.the f.rromagnetic para-meter res.lts.in a higher s.in-f.iction and,vice vers.,in a s.aller Nus.elt number.

关键词： Brownian motion thermo-phores.s radiation magnetic dipole BVP4C non-linear

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