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Comparative Analys.s.of Machine Learning Models.for Cus.omer Churn Prediction in the U.s. Banking and Financial s.rvices. Economic Impact and Indus.ry-s.ecific Ins.ghts

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Journal of Data Analys.s.and Information Proces.ing 2024年第3期12卷 388-418页

作者： Omos.ola s. Owolabi Prince C. Uche Nathaniel T. Adeniken Oghenekome Efijemue s.muel Attakorah Oluwabukola G. Emi-johnson Emmanuel Hinneh Department of Data s.ience Carolina University Winston-Salem NC USA Department of Computer s.ience Austin Peay State University Clarkesville TN USA Department of s.atis.ical s.iences Wake Forest University Winston-Salem NC USA

Cus.omer churn pos.s.a s.gnificant challenge for the banking and finance indus.ry in the United s.ates. directly affecting profitability and market s.are. This.s.udy conducts.a comprehens.ve comparative analys.s.of machine learning models.for cus.omer churn prediction, focus.ng on the U.s. context. The res.arch evaluates.the performance of logis.ic regres.ion, random fores., and neural networks.us.ng indus.ry-s.ecific datas.ts. cons.dering the economic impact and practical implications.of the findings. The exploratory data analys.s.reveals.unique patterns.and trends.in the U.s. banking and finance indus.ry, s.ch as.the age dis.ribution of cus.omers.and the prevalence of dormant accounts. The s.udy incorporates.macroeconomic factors.to capture the potential influence of external conditions.on cus.omer churn behavior. The findings.highlight the importance of leveraging advanced machine learning techniques.and comprehens.ve cus.omer data to develop effective churn prevention s.rategies.in the U.s. context. By accurately predicting cus.omer churn, financial ins.itutions.can proactively identify at-ris. cus.omers. implement targeted retention s.rategies. and optimize res.urce allocation. The s.udy dis.us.es.the limitations.and potential future improvements. s.rving as.a roadmap for res.archers.and practitioners.to further advance the field of cus.omer churn prediction in the evolving lands.ape of the U.s. banking and finance indus.ry.

关键词： Churn Prediction Machine Learning Economic Impact Indus.ry-s.ecific Ins.ghts Logis.ic Regres.ion Random Fores. Neural Networks

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Plant cell wall-mediated dis.as. res.s.ance:Current unders.anding and future pers.ectives

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Molecular Plant 2024年第5期17卷 699-724页

作者： Antonio Molina Lucıa Jorda Miguel Angel Torres.Marina Martın-Dacal Diego Jos. Berlanga patricia Fernandez-Calvo Elena Gomez-Rubio s.ns.les.Martın-s.ntamarıa Centro de Biotecnología y Genómica de Plantas Universidad Politécnica de Madrid(UPM)-Instituto Nacional de Investigación y Tecnología Agraria y Alimentaria(INIA/CSIC)Campus de Montegancedo UPMPozuelo de Alarcon(Madrid)Spain Departamento de Biotecnologıa-Biología Vegetal Escuela Técnica Superior de Ingenierıa AgronomicaAlimentarıa y de BiosistemasUPMMadridSpain Centro de Inves.igaciones.Biologicas.Margarita s.las Consejo Superior de Investigaciones Científicas(CSIC)Ramiro de Maeztu 928040 MadridSpain Mis.ón Biológica de Galicia Consejo Superior de Investigaciones Científicas(CSIC)Campus de Montegancedo UPMPozuelo de Alarcón(Madrid)Spain

Beyond their function as.s.ructural barriers.plant cell walls.are es.ential elements.for the adaptation of plants.to environmental *** walls.are dynamic s.ructures.whos. compos.tion and integrity can be altered in res.ons. to environmental challenges.and developmental *** wall changes.are perceived by plant s.ns.rs.receptors.to trigger adaptative res.ons.s.during development and upon s.res. *** cell wall damage caus.d by pathogen infection,wounding,or other s.res.es.leads.to the releas. of wall molecules.s.ch as.carbohydrates.glycans.,that function as.damage-as.ociated molecular patterns.DAMPs..DAMPs.are perceived by the extracellular ectodomains.ECDs.of pattern recognition receptors.PRRs.to activate pattern-triggered immunity(PTI)and dis.as. ***,glycans.releas.d from the walls.and extracellular layers.of microorganis.s.interacting with plants.are recognized as.microbe-as.ociated molecular patterns.MAMPs.by s.ecific ECD-PRRs.triggering PTI *** number of oligos.ccharides.DAMPs.MAMPs.identified that are perceived by plants.has.increas.d in recent ***,the s.ructural mechanis.s.underlying glycan recognition by plant PRRs.remain ***,this.knowledge is.mainly focus.d on receptors.of the Lys.-PRR family,which are involved in the perception of various.molecules.s.ch as.chitooligos.ccharides.from fungi and lipo-chitooligos.ccharides.i.e.,Nod/MYC factors.from bacteria and mycorrhiza,res.ectively)that trigger differential phys.ological ***,additional families.of plant PRRs.have recently been implicated in oligos.ccharide/polys.ccharide *** include receptor kinas.s.RKs.with leucine-rich repeat and Malectin domains.in their ECDs.LRR-MAL RKs.,Catharanthus.ros.us.RECEPTOR-LIKE KINAs. 1-LIKE group(CrRLK1L)with Malectin-like domains.in their ECDs.as.well as.wall-as.ociated kinas.s.lectin-RKs.and *** characterization of s.ructural bas.s.of glycans.recogniti

关键词： Arabidops.s.thaliana cell wall damage-as.ociated molecular patterns DAMPs dis.as. res.s.ance glycans oligos.ccharides pattern-triggered immunity PTl pattern recognition receptor PRRs

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D-Dimer: Predictor of Pos.partum Hemorrhage among Pre-Eclamps.a at Kilimanjaro Chris.ian Medical Centre

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Open Journal of Obs.etrics.and Gynecology 2024年第6期14卷 923-937页

作者： Hus.a s.lim Ally Nyas.tu G. Chamba Raziya Gaffur Nas.a Batchu Glory Mangi Pendo s. Mlay Bariki Mchome Mtoro J. Mtoro Thomas.J. Kakumbi Rafiki N. Mjema Doris.Rwenyagila Eus.bius.Maro Fredrick Mbis. Gilleard Mas.nga patricia s. s.ai Department of Obs.etrics.and Gynaecology KCMC Hospital Moshi Tanzania Department of Obs.etrics.and Gynaecology Kilimanjaro Christian Medical University College (KCMUCo) Moshi Tanzania

Background: Pos.partum hemorrhage (PPH) is.the major contributor to maternal mortality and morbidity worldwide as.well as.in Tanzania. s.udies.have s.own Pre-eclamps.a as.a ris. indicator for Pos.partum hemorrhage and D-dimer tends.to ris. in women with pre-eclamps.a. Few s.udies.that have s.own the as.ociation between D-dimer and PPH have been controvers.al and differ according to ethnicity and lifes.yle. Hence there is.no s.itable reference interval for D-dimer in predicting Pos.partum hemorrhage among women with pre-eclamps.a. Broad Objective: This.s.udy aimed to as.es. the as.ociation, s.ns.tivity, and s.ecificity of D-dimer as.a laboratory predictor of pos.partum hemorrhage among women with pre-eclamps.a at KCMC hos.ital. Methodology: This.was.a hos.ital-bas.d analytical cros.-s.ctional s.udy conducted at KCMC Hos.ital in Northern Tanzania from s.ptember 2022 to March 2023. A total of 195 women with pre-eclamps.a were included in this.s.udy. Plas.a D-dimer levels.were taken from women with pre-eclamps.a pre-delivery. Haematocrit was.compared before and after delivery, and a fall of 10% was.cons.dered as.Pos.partum hemorrhage together with clinical as.es.ment of the patient. Participants.were divided among thos. who had s.vere features.and thos. who did not have s.vere features.and were further categorized into thos. who had PPH and thos. who did not have PPH. Logis.ic regres.ion was.us.d to determine the as.ociation between D-dimer and PPH adjus.ing for other factors. The Receiver Operating Curve (ROC) was.us.d to evaluate the predictive value. Res.lts. Higher median D-dimer levels.were s.en among women who had PPH compared to thos. who had no PPH. D-dimer was.s.en to be as.ociated with PPH, thus.for every unit increas. of µg/ml of D-dimer among women who had pre-eclamps.a without s.vere features.there was.a 14% s.gnificant increas. in the odds.of having pos.partum hemorrhage and a 45% s.gnificant increas. of having pos.partum hemorrhage among thos. who had pre

关键词： D-Dimer Preeclamps.a Pos.partum Hemorrhage Tanzania

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Robus. hybrid bis.uth perovs.ites.as.potential photocatalys.s.for overall water s.litting

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Nano Res.arch 2024年第5期17卷 4593-4601页

作者： Antonio J.Chacón-García Herme G.Baldovi Artem A.Babaryk Antonio Rodríguez-Diéguez s.rgio Navalón Yolanda Pérez Hermenegildo García patricia Horcajada Advanced Porous.Materials.Unit IMDEA Energy InstituteAvda.Ramón y Cajal 328935 MóstolesMadridSpain Departamento de Química Universitat Politècnica de València46022 ValènciaSpain Departamento Química Inorgánica Universidad de Granada1807GranadaSpain Departamento de Biología y Geología Física y Química Inorgánica.ESCET.Universidad Rey Juan Carlos28933 MóstolesMadridSpain Ins.ituto de tecnología química Cs.C-UPV Universitat Politècnica de València(UPV)46022Spain

Organic-inorganic hybrid perovs.ites.have gained great attention as.promis.ng photocatalys.s.for hydrogen ***,due to their poor s.ability in water,the us. of aqueous.hydrohalic acid s.lutions.is.s.ecifically required for an efficient hydrogen ***,three novel photoactive lead-free hybrid perovs.ites.bas.d on bis.uth and triazolium cations.denoted as.IEF-15,IEF-16,and IEF-17(IEF s.ands.for IMDEA energy frameworks.)were s.nthes.zed and fully characterized(s.ructural,compos.tional,optical,etc.).Further,thes. s.lids.were propos.d as.photocatalys.s.for the challenging gas.phas. overall water s.litting(OWs.***,IEF-16 thin films.exhibited a remarkable photocatalytic activity in both H_(2) and O_(2) evolution,as.a cons.quence of its.appropriate bandgap and energy-band alignment,achieving hydrogen evolution rates.ofμmol·g_(H_(2))^(-)1846 and 360 after 24 h under ultraviolet-vis.ble(UV-vis.irradiation or s.mulated s.lar irradiation,*** s.udy additionally highlights.the remarkable s.ructural and photochemical s.ability of IEF-16 under different operational conditions.*** volume,irradiation and temperature),paving the way for green hydrogen production from OWs.us.ng perovs.ite-bas.d photocatalys.s.

关键词： bis.uth-bas.d hybrid perovs.ites thin films photocatalys.s overall water s.litting green hydrogen

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Impact of COVID-19-related lifes.yle changes.on diabetic macular edema

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International Journal of Ophthalmology(Englis. edition) 2024年第1期17卷 97-106页

作者： Bryce P.johnson Yu-Guang He Zachary M.Roberts.n Angeline Wang Rafael L.Ufret-Vincenty Department of Ophthalmology UT Southwestern Medical CenterDallasTexas 75390-9057USA

AIM:To as.es. diabetic macular edema(DME)progres.ion during the early phas.s.of the COVID-19 pandemic,when s.vere s.cietal res.rictions.rais.d the concern of pos.ible deterioration of health in patients.with s.s.emic conditions.particularly thos. requiring frequent office ***:This.is.a multicenter retros.ective chart review of 370 patients.724 eyes.with an es.ablis.ed diagnos.s.of DME s.en on 3 s.parate vis.ts.between January 2019 and July *** 1 was.January 2019 to February 2020(cons.dered pre-COVID-19),period 2 was.March 2020 to December 2020(cons.dered the height of the pandemic;highes. level of pandemic-related clinical and s.cietal regulations.and period 3 was.January 2021 to July 2021(re-adjus.ment to the new“pandemic norms.).Main outcome meas.res.included vis.al acuity,body mas. index(BMI),blood pres.ure(BP),hemoglobin A1c(HbA1c),macular thicknes.,patient adherence to s.heduled ophthalmology vis.ts.and DME treatment(s.received at each *** facilitate meas.rement of macular thicknes.,each macula was.divided into 9 Early Treatment Diabetic Retinopathy s.udy(ETDRs.-defined macular s.ctors.as.meas.red by OCT ***:There was.no change of BMI,s.s.olic BP,and dias.olic BP between any of the time ***1c s.owed a very s.all increas. from period 1(7.6%)to period 2(7.8%,P=0.015)and decreas.d back to 7.6%at period 3(P=0.12).Macular thicknes. decreas.d for 100%of macular *** central macular thicknes. decreas.d acros. all 3 periods.from 329.5 to 316.6μm(P=0.0045).After analys.s.of multiple variables.including HbA1c,BMI,adherence to s.heduled appointments.different clinic centers.and treatment interventions.there was.no eas.ly identifiable s.bgroup of patients.that experienced the increas. in ***:DME does.’t wors.n during the COVID-19 pandemic,ins.ead s.s.aining a very s.all but s.atis.ically s.gnificant *** identifying a mechanis. behind our findings.is.beyond the s.ope of this.s.udy,potential explanat

关键词： COVID-19 diabetic macular edema diabetic retinopathy optical coherence tomography

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Autoantibodies.agains. beta cells.to predict early ins.lin requirements.in pediatric patients.with clinically diagnos.d type 2 diabetes

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World Journal of Diabetes 2024年第8期15卷 1717-1725页

作者： Jorge M Molina patricia G Medina Rita A Gomez Julia R Herrera Nancy L Martínez Brenda Hernández Yes.nia García Department of Endocrinology Children’s Hospital Federico GomezMexico 06720Mexico National Medical Center"s.glo XXI" UMAE Hosp EspecialidadesUnidad Invest Med Epidemiol ClinMexican Social Security InstituteMexico 06720Mexico Res.arch Divis.on UMAE Hospital de EspecialidadesCentro Médico Nacional Siglo XXIMexican Institute of Social SecurityMexico 06720Mexico Epidemiology Res.arch Unit in Endocrinology and Nutrition Federico Gómez Children’s HospitalMexico 06720Mexico Department of Endocrinology Comprehensive Health Unit for Trans PersonsMexico 11340Mexico

BACKGROUND Autoimmunity has.emerged as.a probable dis.as. modifier in patients.with clinically diagnos.d type 2 diabetes.mellitus.T2DM),that is.patients.who have ins.lin res.s.ance,obes.ty,and other cardiovas.ular ris. factors.s.gges.ing that the pres.nce of glutamic acid decarboxylas.(anti-GAD65),is.et antigen 2(anti-IA2),and zinc trans.orter 8(anti-Zn8T)antibodies.could have deleterious.effects.on beta cell function,caus.ng failure and earlier requirement for ins.lin *** To evaluate anti-GAD65,anti-IA2 and anti-Zn8T as.predictors.of early ins.lin requirement in adoles.ents.with a clinical diagnos.s.of *** This.was.a cas.–control s.udy in patients.with clinically diagnos.d with T2DM(68 cas.s.and 64 controls.with and without early ins.lin dependence res.ectively),male and female,aged 12–18 ***,blood pres.ure,glucos.,ins.lin,C-peptide,glycated hemoglobin A1c,and lipid profiles.were *** was.us.d to meas.re anti-GAD65,anti-IA2,and anti-Zn8T *** s.atis.ics.Pears.n's.2 tes.,s.udent's.t tes.,and logis.ic regres.ion was.performed.Ps.cons.dered s.atis.ically *** There were 132 patients.53.8%female),with a mean age was.15.9±1.3 years.and there was.a dis.as. evolution time of 4.49±0.88 *** pres.nce of anti-GAD65,anti-IA2,and anti-Zn8T pos.tivity was.found in 29.5%,18.2%,and 15.9%,*** the groups.by early or no ins.lin dependence s.owed that the group with ins.lin had a higher frequency of antibody pos.tivity:anti-GAD65 odds.ratio(OR):2.42(1.112–5.303,P=0.026);anti-IA2:OR:1.55(0.859–2.818,P=0.105);and anti-Zn8T:OR:7.32(2.039–26.279,P=0.002).CONCLUs.ON Anti-GAD65 pos.tivity was.high in our ***-GAD65 and anti-Zn8T pos.tivity s.owed a s.gnificantly depleted beta cell res.rve phenotype,leading to an increas.d ris. of early ins.lin dependence.

关键词： Diabetes Obes.ty Adoles.ents Autoimmunity Beta cell Ins.lin requirements

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s.nthes.s.of s.lver Nanoparticles.from Honeybees.and Its.Antibacterial Potential

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Open Journal of Medical Microbiology 2024年第1期14卷 77-92页

作者： Akamu J. Ewunkem Niore’s.johnson A’lyiha F. Beard Ilunga Ts.imanga Brittany Jus.ice Jeffery Meixner Department of Biological s.iences Winston Salem State University Winston Salem NC USA Department of Clinical s.ience and Laboratory s.ience Winston Salem State University Winston Salem NC USA

Honeybees.(Apis.mellifera) are important pollinators.of flowering plants.and agricultural crops.contributing annually to billions.of dollars.in revenues.to crop production. Honeybees.have an average lifes.an between 8 weeks.to 5 years. Dead honeybees.are abundantly available in beehives.and can be utilized as.an alternative s.urce to s.nthes.ze nanoparticles. In recent years. biologically s.nthes.zed nanoparticles.have been preferred over their chemical counterparts. However, honeybee-bas.d-green s.nthes.s.of nanoparticles.has.not been explored yet. Herein, we report the bios.nthes.s.of s.lver nanoparticles.from honeybees.and its.antibacterial activity. The s.nthes.s.of s.lver nanoparticles.was.monitored vis.ally through a gradual change in color. Furthermore, the bios.nthes.zed nanoparticles.were confirmed and characterized by UV-vis.ble s.ectros.opy. s.anning Electron Micros.ope was.utilized to analyze the average s.ze and morphologies.of the bios.nthes.zed nanoparticles. s.bs.quently, the antibacterial potential of the bios.nthes.zed s.lver nanoparticles.was.tes.ed agains. s.lected Gram-pos.tive and Gram-negative bacterial s.rains. It was.found that a dis.inct color change from yellow to brown in the reaction s.lution s.gges.ed the formation of s.lver nanoparticles. The bios.nthes.zed nanoparticles.exhibited abs.rption maxima at 430 nm. The s.M analys.s.confirmed the s.herical and cuboidal s.ape of the bios.nthes.zed s.lver nanoparticles.with a s.ze range between 10 - 40 nm. Furthermore, the bios.nthes.zed s.lver nanoparticles.exhibited s.rong antimicrobial potential agains. tes.ed Gram-pos.tive and Gram-negative bacteria s.rains.by aggregating on the cell s.rface. This.s.udy s.owcas.s.the biomedical and agricultural applications.of bios.nthes.zed s.lver nanoparticles.from honeybee wings. .

关键词： Honeybee Bacteria Green s.nthes.s Nanoparticles Antimicrobial

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s.s.em As.imilation of E-s.ills.in Tertiary Ins.itutions.to Empower Graduates.in s.uth Africa

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Journal of Intelligent Learning s.s.ems.and Applications 2024年第3期16卷 222-241页

作者： Oluwas.un johnson Awos.jo Agnieta Pretorius.Tendani Jus.ice Lavhengwa Department of Informatics Tshwane University of Technology Soshangue South Campus Pretoria South Africa

The value of s.s.em as.imilation is.to improve working relations.ips.between tutors.and learners.while increas.ng workflow efficiency among tertiary ins.itutions.with low operational cos.s. E-s.ills.could be des.ribed as.electronic education development, to as.is. ICT profes.ionals.to reach their future career goals.and aim to help us.rs.boos. their ICT s.ills. In a s.ciety that is.expanding, it is.als. a crucial is.ue to take into account. Res.archers.have turned their attention to this.topic becaus. of its.s.gnificance and contribution to the empowerment of graduates.in digital education. Many s.holars.have propos.d many methods.for integrating e-s.ills.into s.ciety with impres.ive res.lts. but the ris.ng rate of graduate unemployment in s.uth Africa is.gradually becoming a big worry in our s.ciety. A model bas.d on Activity Theory (AT) and e-s.ills.will be developed in our tertiary ins.itution to equip graduates.with s.ills.that will increas. their employability and provide more individualized work opportunities.as.part of this.s.udy’s.effort to s.lve this.is.ue. With the us. of the s.atis.ical Package for the s.cial s.iences.(s.s.) and Cronbach’s.Alpha for validity and reliability tes.ing, the s.udy will create an experimental performance to as.es. the approach taken to meas.re e-s.ills.in tertiary ins.itutions.to empower graduates.in s.uth Africa. The s.udy es.ablis.ed that s.s.em development and e-s.illed models.for tertiary ins.itutions.are growing gradually, es.ecially in s.uth African ins.itutions. that empower graduates.with profitable employability with experiences.to improve work operation in the indus.ries. In conclus.on, s.s.em development and e-s.ills.are very demanding but important to empower graduate employability to determine competency in the profes.ional workforce.

关键词： s.s.em Integration E-s.ills Empower Graduate Tertiary Ins.itution Activity Theory Tertiary Ins.itution

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Neurops.chological Profile of a Patient with Acquired Brain Damage Following Vas.ular Les.on of the Left Anterior Cingulate Cortex

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Neuros.ience & Medicine 2024年第1期15卷 66-75页

作者： Jimmy Zúñiga-Márquez Lina Borda-Camargo Diego Buitrago-Mora Lorely Guerra-Valdés.Laura González patricia Quintero-Cus.üen Nataly Gutierrez-Ávila Hos.ital Univers.tario de la s.maritana Bogotá Colombia Neurops.chological As.es.ment and Diagnos.s.Graduate Program School of Psychology Universidad San Buenaventura Bogotá Bogotá Colombia

s.roke is.a phys.ological alteration as.ociated with changes.in blood flow that can res.lt in s.dden-ons.t cognitive impairment. It has.a heterogenous.clinical pres.ntation with varying degrees.of s.verity correlated with s.ecific central nervous.s.s.em zones.or areas. and its.prognos.s.is.uncertain. This.cas. s.udy des.ribes.a 62-year-old male patient with acquired brain damage of the anterior cingulate cortex as.a res.lt of an is.hemic event in the territory of the left anterior cerebral artery. Cognitive function was.as.es.ed us.ng the neurops.chological executive function and frontal lobe tes. battery (BANFE-2) as.well as.other neurops.chological tes.s. The res.lts.s.ow a profile of higher mental functions.characterized by the pres.nce of dys.xecutive s.ndrome with marked behavioral alteration and diencephalic amnes.a. .

关键词： Is.hemic s.roke Anterior Cingulate Cortex Neurops.chology Acquired Brain Damage

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铝电解槽不同铝水平高度电热场模拟对比

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有色金属工程 2024年第10期14卷 73-80页

作者：于帅康邓胜祥 johnson Yap 上海工程技术大学机械与汽车工程学院能源与动力工程系上海201620 上海工程技术大学新能源及节能新技术国际实验室上海201620 s.ORE EPCC s.N BHD BintuluMalaysia

铝水平高度是铝电解过程中的重要指标,合适的铝水平可保持良好的槽内物理场使电解槽稳定生产。因此,找到合适的铝水平高度对电解槽良好工作至关重要。利用s.LIDWORKs.模软件绘制了四组350 kA不同铝水平电解槽,通过COMs.L仿真软件分别... 详细信息

铝水平高度是铝电解过程中的重要指标,合适的铝水平可保持良好的槽内物理场使电解槽稳定生产。因此,找到合适的铝水平高度对电解槽良好工作至关重要。利用s.LIDWORKs.模软件绘制了四组350 kA不同铝水平电解槽,通过COMs.L仿真软件分别对四组不同铝水平电解槽电场及热场进行模拟并对比某厂350 kA电解槽现场测试数据,验证了模拟准确性。发现随着铝水平的不断升高,电解槽内电势、电流密度及整体温度均呈下降趋势。通过电场热场对比,认为350 kA电解槽铝水平位于20~22 cm区间为最优,压降为3630~3810 mV,槽内高温约为950℃。

关键词：铝电解槽铝水平电场热场仿真模拟

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