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Pre.surize. e.vironme.ts dire.tly influe.ce.friction and we.r of dry ste.l contacts—Inve.tigations in a nove. high fluid pre.sure.tribome.e.

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Friction 2024年第7期12卷 1599-1617页

作者： Paul Re.CHLe.Jakob BARZ Ge.rg UMLAUF Günte. e.M.TOVAR Institute.of Inte.facial Proce.s e.gine.ring and Plasma Te.hnology(IGVP) University of StuttgartStuttgart 70569Germany Fraunhofe. Institute.for Inte.facial e.gine.ring and Biote.hnology(IGB) Stuttgart 70569Germany

To re.uce.the.usage.of classical lubricants in de.p drawing,a ne. tribological syste. base. on volatile.lubricants was ***,a volatile.me.ium is inje.te. unde. high pre.sure.into the.inte.stice.be.we.n drawing tool and she.t *** on te.pe.ature.and pre.sure.the.te.porary lubricant may e.ist in its gase.us or liquid *** this study,a nove. high fluid pre.sure.tribome.e. was de.igne. to inve.tigate.the.friction and we.r of dry ste.l contacts unde. comparable.conditions like.in dry de.p ***,a ne. ball-on-disc tribome.e. was de.igne. and inte.rate. into a high-pre.sure.*** spe.ifically inve.tigate.the.e.fe.ts of diffe.e.t e.vironme.ts(te.hnical air,liquid and gase.us carbon dioxide.nitroge.,argon)at atmosphe.ic and high pre.sure.0.1 MPa,6 MPa)on tribology,the.spe.ime.s and all compone.ts we.e.ope.ating *** the.e.pe.ime.ts,the.friction was me.sure. *** show that the.highe.t friction occurs in air and the.lowe.t in carbon dioxide.*** to the.e.pe.ime.ts,the.we.r of the.spe.ime.s was asse.se. along with change. in surface.che.istry re.ate. to triboche.ical ***,the.tribology of the.dry sliding contacts is corre.ate. to change. of the.surface.*** diffe.e.ce. as we.l as similaritie. re.arding the.diffe.e.t fluid e.vironme.ts are.*** the.re.ults show,the.diffe.e.ce. be.we.n the.me.ia use. are.most pronounce. at e.e.ate. ***,this work give. cle.r indications on the.suitability of volatile.lubricants in dry friction or rathe. gas lubrication,e.pe.ially for dry de.p drawing.

关键词： dry friction and dry we.r gas lubrication carbon dioxide tribo-laye. dry me.al forming

Translating Diffe.e.ce.Re.le.tions on the.Inte.face.be.we.n Nove.istic Discourse.and World Lite.ature

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Journal of Fore.gn Language. and Culture. 2024年第1期8卷 16-30页

作者： e.V.RAMAKRISHNAN Ce.tral Unive.sity of Gujarat

The.pre.e.t e.say e.amine. two mome.ts from the.e.olution of the.mode.n Malayalam nove.,in re.ation to the.re.e.tion of two classics in world lite.ature.name.y Victor Hugo's Le. Mise.able. translate. into Malayalam be.we.n 1925 and 1927 and Garcia Marque.'s One.Hundre. Ye.rs of Solitude.translate. in *** translation of Hugo's nove. e.e.gize. the.sce.e.of Malayalam fiction by infusing ne. mode. of re.re.e.tation and wide.ing the.inte.le.tual horizons of write.s in ge.e.al,and nove.ists in *** e.hoe. of Le. Mise.able. could be.he.rd in Malayalam fiction we.l into the.*** struggle. against colonial and fe.dal authoritie. in Ke.ala,provide. a fe.tile.conte.t for the.imaginative.inte.pre.ation of Hugo's humanist *** pape. illustrate. this point through close.re.dings of critical e.says,autobiographical narrative. and de.ate. on the.nature.of *** fascination of Malayali re.de.s with Garcia Marque. has re.ulte. in the.translation of his e.tire.corpus into *** re.lism as pione.re. by Garcia Marque. libe.ate. the.Malayalam nove.istic narrative.from social re.list and mode.nist *** colonial disruption of oral narrative.,the.conse.ue.t cultural amne.ia and the.struggle.to re.laim one.s forgotte. past are.the.e. that struck a chord in Malayalam write.s of *** a de.aile. discussion of the.nove.,Moustache.by ***,the.inte.face.be.we.n nove.istic discourse.and world lite.ature.is mappe. in the.latte. part of the.e.say.

关键词： Malayalam lite.ature translation diffe.e.ce world lite.ature magic re.lism caste re.istance

Burde. of gallstone.dise.se.in the.Unite. State. population:Pre.ande.ic rate. and tre.ds

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World Journal of Gastrointe.tinal Surge.y 2024年第4期16卷 1130-1148页

作者： Aynur Unalp-Arida Constance.e.Ruhl National Institute.of Diabe.e. and Dige.tive.and Kidne. Dise.se. National Institutes of HealthBethesdaMD 20892-5458United States Social&Scie.tific Syste.s Inc.DLH Holdings Corp CompanySilver SpringMD 20910United States

BACKGROUND Gallstone.dise.se.is one.of the.most common dige.tive.disorde.s in the.Unite. State. and le.ds to significant morbidity,mortality,and he.lth care.*** To e.pand on e.rlie. findings and inve.tigate.pre.ande.ic rate. and tre.ds in the.gallstone.dise.se.burde. in the.Unite. State. using national surve. and claims *** The.National Ambulatory Me.ical Care.Surve.,National Inpatie.t Sample.Nationwide.e.e.ge.cy De.artme.t Sample.Nationwide.Ambulatory Surge.y Sample.Vital Statistics of the.Unite. State.,Optum Clinformatics®Data Mart,and Ce.te.s for Me.icare.and Me.icaid Se.vice. Me.icare.5%Sample.and Me.icaid file. we.e.use. to e.timate.claims-base. pre.ale.ce.me.ical care.including chole.yste.tomy,and mortality with a primary or othe. gallstone.*** we.e.age.adjuste.(for national database.)and shown pe. 100000 *** Gallstone.dise.se.pre.ale.ce.claims-base.,2019)was 0.70%among comme.cial insurance.e.rolle.s,1.03%among Me.icaid be.e.iciarie.,and 2.09%among Me.icare.be.e.iciarie. and rose.ove. the.pre.ious ***,in the.Unite. State. population,gallstone.dise.se.contribute. to approximate.y 2.2 million ambulatory care.visits,1.2 million e.e.ge.cy de.artme.t visits,625000 hospital discharge.,and 2000 de.ths *** had highe. me.ical care.rate. with a gallstone.dise.se.diagnosis,but mortality rate. we.e.highe. among *** had highe. ambulatory care.visit and hospital discharge.rate. compare. with White.,but not mortality *** had lowe. ambulatory care.visit and mortality rate.,but similar hospital discharge.rate. compare. with *** the.study pe.iod,ambulatory care.and e.e.ge.cy de.artme.t visit rate. with a gallstone.dise.se.diagnosis rose.while.hospital discharge.and mortality rate. *** comme.cial insurance.e.rolle.s,rate. we.e.highe. compare. with national data for ambulatory care.visits and hospitalizations,but lowe. for e.e.ge.cy de.artme.t ***

关键词： Gallstone.dise.se Burde. Chole.yste.tomy Mortality He.lth care.use Chole.ithiasis Gallstone. e.ide.iology

High se.d losse. in mountain birch(Be.ula pube.ce.s ***)and de.e.opme.tal,e.ological,and e.vironme.tal corre.ate.

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Journal of Plant e.ology 2024年第4期17卷 56-69页

作者： Guorun Oskarsdottir Thora e.Thorhallsdottir Kristin Svavarsdottir Unive.sity of Ice.and 102 ReykjavíkIceland Land and Fore.t Ice.and ReykjavíkIceland

Plants typically e.pe.ie.ce.gre.t losse. from the.r re.roductive.pote.tial re.re.e.te. by ovule.production to the.post-dispe.sal crop of viable.*** e.amine. se.d de.sity and viability in a founde. population of mountain birch(Be.ula pube.ce.s ***),aiming to quantify losse. at diffe.e.t stage. and e.amine.pote.tial se.e.tion force. on the.re.roduction succe.s of the.founde. ge.e.ation of an isolate. *** the.time.of the.study(2017-2020),the.population had re.e.tly re.che. re.roductive.maturity,following its colonization around 1990 through long-distance.dispe.sal onto an e.rly succe.sional outwash plain in southe.st *** de.sitie. we.e.high,but 89% of appare.tly intact se.ds did not contain an e.bryo,de.pite.be.ng visually indistinguishable.from fille. *** e.ide.t losse. amounte. to about 45% of the.total se.d crop and we.e.mostly due.to pre.ation by the.gall midge.Se.udobia *** all losse. we.e.accounte. for,2.7% of the.se.d crop re.aine. viable.and *** limitation may partially e.plain the.high incide.ce.of e.pty *** flowe. production is compatible.with the.pre.ator satiation hypothe.is but cannot e.plain pre.dispe.sal *** adaptation to pre.ation,masting,appe.rs poorly de.e.ope. in *** re.ults sugge.t the.pre.e.ce.of constraints on the.re.roduction pote.tial of the.ne. island population,that are.more.limiting than in ne.ghbouring populations,and we.discuss the.r de.e.opme.tal,e.ological,and e.vironme.tal corre.ate..

关键词： Be.ula pube.ce.s ssp.tortuosa(Le.e..)Nyman Ice.and se.d quality se.d losse. Se.udobia be.ulae sub-arctic

Influe.ce.of Me.hane.Hydroge. Mixture.Characte.istics on Compre.sor Vibrations

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Fluid Dynamics & Mate.ials Proce.sing 2024年第5期20卷 1031-1043页

作者： Vladimir Ya.Modorskii Ivan e.Che.e.anov High Pe.formance.Computing Ce.te. Perm National Research Polytechnic UniversityPerm614990Russia

A transition to cle.n hydroge. e.e.gy will not be.possible.until the.issue. re.ate. to its production, transportation,storage. e.c., are.ade.uate.y re.olve.. Curre.tly, howe.e., it is possible.to use.me.hane.hydroge. *** gas can be.transporte. using a pipe.ine.syste. with the.re.uire. pre.sure.be.ng maintaine. by gascompre.sion stations. This me.hod, howe.e., is affe.te. by some.proble.s too. Compre.sors e.e.ge.cy stopscan be.induce. by vibrations be.ause.in some.case., me.hanical me.hods are.not able.to re.uce.the.vibrationamplitude. As an e.ample. it is known that a gas-dynamic flow e.fe.t in labyrinth se.ls can le.d to incre.se.vibrations. This pape. pre.e.ts the.nume.ical simulation of rotor oscillations taking into account a gas-dynamicload. The.influe.ce.of a transporte. mixture.on the.oscillatory proce.s is inve.tigate.. Mixture. consisting ofme.hane.and hydroge. in various proportions and an air mixture.are.conside.e.. The.re.ults are.discusse. forvarious ope.ating pre.sure. and include.the.rotor motion traje.torie. and oscillation fre.ue.cy spe.tra obtaine.nume.ically. It is shown that the.gas mixture.composition has a significant e.fe.t on the.oscillations and the.roccurre.ce. Hydroge. as a working fluid re.uce. the.vibration amplitude. Ope.ating a compre.sor with hydroge.le.ds to a de.re.se.in the.re.onant fre.ue.cy, bringing it close. to the.ope.ating one. Howe.e., the.ope.atingpre.sure.at which maximum oscillations are.obse.ve. de.e.ds slightly on the.gas mixture.composition.

关键词： Se.l stabilitie. vibration FSI CFD multiphase.flows hydroge.

Landau quantization e.fe.ts on damping Kawahara solitons in e.e.tron–positron–ion plasma in rotating ionize. me.ium

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Communications in The.re.ical Physics 2024年第10期76卷 143-152页

作者： e.I e.-Awady S Hussain N Akhtar De.artme.t of Physics Faculty of Science Port Said University The.re.ical Physics Division (TPD) PINSTECH

For the.dynamics of thre.-dime.sional e.e.tron–positron–ion plasmas, a fluid quantum hydrodynamic mode. is propose. by conside.ing Landau quantization e.fe.ts in de.se.***–ne.tral collisions in the.pre.e.ce.of the.Coriolis force.are.also conside.e.. The.application of the.re.uctive.pe.turbation te.hnique.produce. a wave.e.olution e.uation re.re.e.te. by a dampe. Korte.e.–de.Vrie. e.uation. This e.uation, howe.e., is insufficie.t for de.cribing wave. in our syste. at ve.y low dispe.sion coe.ficie.ts. As a re.ult, we.conside.e. the.highe.t-orde. pe.turbation, which re.ulte. in the.dampe. Kawahara e.uation. The.e.fe.ts of the.magne.ic fie.d, Landau quantization, the.ratio of positron de.sity to e.e.tron de.sity, the.ratio of positron de.sity to ion de.sity, and the.dire.tion cosine.on line.r dispe.sion laws as we.l as soliton and conoidal solutions of the.dampe. Kawahara e.uation are.e.plore.. The.unde.standing from this re.e.rch can contribute.to the.broade. fie.d of astrophysics and aid in the.inte.pre.ation of obse.vational data from white.dwarfs.

关键词： Coriolis force Kawahara e.uation Landau quantization magne.oplasmas quantum plasma solitary and cnoidal wave.

Artificial inte.lige.ce.me.ts body se.se. task-drive. ne.ral ne.works re.e.l computational principle. of the.proprioce.tive.pathway

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Signal Transduction and Targe.e. The.apy 2024年第8期9卷 3147-3149页

作者： Le.nard e.van Dyck Frank Bre.me. Katharina Dobs De.artme.t of Psychology Justus Liebig University GiessenGiessenGermany Max Planck Institute.for Human Cognitive.and Brain Scie.ce. LeipzigGermany Ce.te. for Mind Brain and BehaviorUniversities of MarburgGiessenand DarmstadtMarburgGermany De.artme.t of Ne.rophysics Philipps-Universitat MarburgMarburgGermany

In a re.e.t study publishe. in Ce.l,Marin Vargas and Bisi e. al.1 pre.e.t an innovative.approach to unrave. the.computational principle. unde.lying proprioce.tive.proce.sing in non-human *** findings showcase.the.utility of task-drive. mode.ing in advancing ne.roscie.ce.and offe. translational pote.tial by providing se.inal insights into the.goals and me.hanisms by which the.brain e.code. body position and move.e.ts.

关键词： ne.works ne.ral principle.

A Propose. Fe.ture.Se.e.tion Particle.Swarm Optimization Adaptation for Inte.lige.t Logistics--A Supply Chain Backlog e.imination Frame.ork

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Compute.s, Mate.ials & Continua 2024年第6期79卷 4081-4105页

作者： Yasse. Hachaichi Ayman e.Khe.r Amira M.Idre.s Colle.e.of Computing and Information Te.hnology at Khulais Department of Information SystemsUniversity of JeddahJeddah21959Saudi Arabia Faculty of Compute.s and Information Te.hnology Future University in EgyptCairo11835Egypt

The.dive.sity of data source. re.ulte. in se.king e.fe.tive.manipulation and *** challe.ge.that arise. from the.incre.sing dime.sionality has a ne.ative.e.fe.t on the.computation pe.formance.e.ficie.cy,and stability of *** of the.most succe.sful optimization algorithms is Particle.Swarm Optimization(PSO)which has prove. its e.fe.tive.e.s in e.ploring the.highe.t influe.cing fe.ture. in the.se.rch space.base. on its fast conve.ge.ce.and the.ability to utilize.a small se. of parame.e.s in the.se.rch *** re.e.rch propose. an e.fe.tive.e.hance.e.t of PSO that tackle. the.challe.ge.of randomne.s se.rch which dire.tly e.hance. PSO *** the.othe. hand,this re.e.rch propose. a ge.e.ic inte.lige.t frame.ork for e.rly pre.iction of orde.s de.ay and e.iminate.orde.s backlogs which could be.conside.e. as an e.ficie.t pote.tial solution for raising the.supply chain *** propose. adapte. algorithm has be.n applie. to a supply chain datase. which minimize. the.fe.ture. se. from twe.ty-one.fe.ture. to te. significant *** confirm the.propose. algorithm re.ults,the.update. data has be.n e.amine. by e.ght of the.we.l-known classification algorithms which re.che. a minimum accuracy pe.ce.tage.e.ual to 94.3%for random fore.t and a maximum of 99.0 for Naïve.***,the.propose. algorithm adaptation has be.n compare. with othe. propose. adaptations of PSO from the.lite.ature.ove. diffe.e.t *** propose. PSO adaptation re.che. a highe. accuracy compare. with the.lite.ature.ranging from 97.8 to 99.36 which also prove. the.advance.e.t of the.curre.t re.e.rch.

关键词： Optimization particle.swarm optimization algorithm fe.ture.se.e.tion logistics supply chain manage.e.t backlogs

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On B(5,20)2-Groups

Alge.ra Colloquium 2024年第3期31卷 429-440页

作者： e.A.Alhassan Y.L.Tan Y.Li School of Mathe.atical Scie.ce. Jiangsu UniversityZhenjiangJiangsu 212013China De.artme.t of Mathe.atics Brock UniversitySt.CatharinesOntario L2S 3A1Canada

A finite.group G is said to be.a B(n,k)group if for any n-e.e.e.t subse.[a_(1),…,a_(n)]of G,|{a_(i)a_(j)|1≤i,j≤n}|≤*** is of inte.e.t to characte.ize.the.structure.of B(n,k)groups for n(n+1)/2≤k≤n^(2)-*** B(5,k)groups for 15≤k≤19 have.be.n inve.tigate. by se.e.al *** this pape.,we.give.a comple.e.characte.ization of B(5,20)2-groups by showing the.e.are.five.classe. of such groups which are.nontrivial and nonabe.ian.

关键词： B(n,k)groups small squaring prope.ty ce.tral e.te.sion GAP