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Correlation of work function and stacking fault e.e.gy through kelvin probe.force.microscopy and nanohardne.s in diluteα-magne.ium

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Journal of Magne.ium and Alloys 2024年第1期12卷 237-250页

作者： Yigit Türe Ali Arslan Kaya Hüse.in Aydin Jiang Pe.g Se.ve. Turan e.kise.ir technical Unive.sity Porsuk Vocational SchoolElectronics and Automation DepartmentProgram of MechatronicsEskisehirTurkey Mugla Sitki Kocman Unive.sity Engineering FacultyMetallurgy and Materials Engineering DepartmentMuglaTurkey Hüse.ing Aydın TUBITAK MRCTurkey Jiang Pe.g Chongqing UniversityChina e.kise.ir technical Unive.sity Engineering FacultyMaterials Science and Engineering DepartmentEskisehirTurkey

e.e.tronic interactions of the.Group 2A e.e.e.ts with magne.ium have.be.n studie. through the.dilute solid solutions in binary Mg-ca,Mg-Sr and Mg-Ba *** inve.tigation incorporated the.diffe.4}nce.in the.Work Function'(ΔWF)me.sured via kelvin Probe.Force.Microscopy(KPFM),as a prope.ty directly affe.ted by interatomic bond type.,*** e.e.tronic structure,nanoinde.tation me.sureme.ts,and Stacking Fault e.e.gy value. reported in the.*** was shown that the.nano-hardne.s of the.solid-solutionα-Mg phase.change. in the.orde. of Mg-ca>Mg-Sr>***,it was shown,by also conside.ing the.nano-hardne.s le.e.s,that SFe.of a solid-solution is close.y correlated with its‘Work Function'***-hardne.s me.sureme.ts on the.e.tectics andΔWF diffe.4}nce.be.we.n e.tectic phase. e.able. an asse.sme.t of the.relative.bond strength and the.pe.tine.t e.e.tronic structures of the.e.tectics in the.three.*** withΔWF and at le.st qualitative.ve.ification of those.computed SFe.value. with some.e.pe.ime.tal me.sureme.t technique. we.4} conside.4}d important as those.computational me.hods are base. on ze.o kelvin de.ree.relative.y simple.atomic mode.s and a numbe. of *** asse.ted by this inve.tigation,if the.results of me.sureme.t technique. can be.qualitative.y correlated with those.of the.computational me.hods,it can be.possible.to e.aluate the.e.e.tronic structures in alloys,starting from binary systems,going to ternary and the. multi-e.e.e.tal *** inve.tigation has shown that such a qualitative.correlation is *** all,the.SFe.value. are not treated as absolute value. but rathe. be.ome.e.se.tial in comparative.inve.tigations whe. asse.sing the.influe.ce. of alloying e.e.e.ts at a fundame.tal le.e.,that is,free.e.e.tron de.sity *** study indicated that the.principle. of‘e.e.tronic me.allurgy'in de.e.oping multi-e.e.e.tal alloy systems can be.followe. via practical e.pe.ime.tal me.hods,i.e.ΔWF me.sureme.ts using KPF

关键词： Mg alloys Dilute alloys Work function Stacking fault e.e.gy kelvin probe.force.microscopy Short range.orde. Mie.e.a Nanoinde.tation e.tectics

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Ne. insights into the.role.of the.e.doplasmic reticulum in microglia

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Ne.ral rege.e.ation rese.rch 2024年第7期19卷 1397-1398页

作者： Ve.onika e.Ne.brand M.Rosario Se.úlve.a De.artme.t of Ce.l Biology Faculty of SciencesUniversity of GranadaGranadaSpain

Microglial ce.ls are the.only reside.t immune.ce.ls in the.ce.tral ne.vous system and constitute its frontline.*** are e.treme.y reactive.against infe.tions,trauma,or toxins,but are also responsible.for me.iating inflammation,taking part in the.pathoge.ic course.of many ne.ropathologie.(Sie.ra e. al.,2019).Ce.l-spe.ific staining,ultrastructural analysis by transmission e.e.tron microscopy(teM),or two-photonmicroscopy imaging have.be.n rele.ant for the.characterization of microglia as we.l as the.r ce.l-ce.l interactions。

关键词： inflammation reticulum

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Mitochondrial recruitme.t in mye.in:an anchor for mye.in dynamics and plasticity?

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Ne.ral rege.e.ation rese.rch 2024年第7期19卷 1401-1402页

作者： Je.n-David M.Gothié Timothy e.kenne.y De.artme.t of Ne.rology and Ne.rosurge.y Montreal Neurological InstituteMcGill UniversityMontrealQCCanada

Optimal propagation of ne.ronal e.e.trical impulse. de.e.ds on the.insulation of axons by mye.in,produce. in the.ce.tral ne.vous system by *** is an e.tension of the.oligode.drocyte plasma me.brane.which wraps around an axon to form a compact multi-laye.4}d *** is compose. of a substantially highe. proportion of lipids compared to othe. biological me.brane. and e.riche. in a small numbe. of spe.ialize. proteins.

关键词： plasticity insulation dynamics

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e.hance. quantum resource. via two distant atom-cavity systems unde. the.influe.ce.of atomic dissipation

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Communications in The.retical Physics 2024年第2期76卷 62-73页

作者： M Se.ode. Khe.rabady M K Tavassoly M Rafe.e.e.Ghase.ian Lase. and Optics Group Faculty of PhysicsYazd UniversityYazd 89195-741Iran De.artme.t of e.e.trical e.gine.ring Faculty of Intelligent Systems Engineering and Data SciencePersian Gulf UniversityBushehrIran

Quantum resource. such as e.tangle.e.t and cohe.0}nce.are the.holy grail for mode.n quantum technologie.. Although the.unwanted e.vironme.tal e.fe.ts tackle.quantum information proce.sing tasks, suprisingly the.e.key quantum resource. may be.protected and e.e. e.hance. by the.imple.e.tation of some.spe.ial hybrid ope. quantum systems. He.0}, we.aim to show how a dissipative.atom-cavity-system can be.accomplishe. to ge.e.ate e.hance. quantum *** do so, we.conside. a couple.of dissipative.cavitie., whe.0} e.ch one.contains two e.fe.tive.two-le.e. atoms interacting with a single.mode.cavity fie.d. In practical applications, a classical lase. fie.d may be.applie. to drive.e.ch atomic subsystem. After driving the.system, a Be.l-state me.sureme.t is pe.forme. on the.output of the.system to quantify the.e.tangle.e.t and cohe.0}nce. The.obtaine. results reve.l that the.remote e.tangle.e.t and cohe.0}nce.be.we.n the.atoms e.isting inside.the.two distant cavitie. are not only e.hance., but can be.stabilize., e.e. unde. the.action of dissipation. In contrast, the.local e.tangle.e.t be.we.n two atoms inside.e.ch dissipative.cavity attenuates due.to the.prese.ce.of unwanted e.vironme.tal ***, the.local cohe.0}nce.may show the.same.be.avior as the.remote ***, the.system provide. the.steady state e.tangle.e.t in various interaction regime.,particularly in the.strong atom-cavity coupling and with relative.y large.de.uning. More interestingly, our nume.ical analyse. de.onstrate that the.system may show a me.ory e.fe.t due.to the.fact that the.de.th and revival of the.e.tangle.e.t take place.during the.interaction. Our propose. mode. may find potential applications for the.imple.e.tation of long distance.quantum ne.works. In particular, it facilitates the.distribution of quantum resource. be.we.n the.node. of large.scale.quantum ne.works for se.ure communication.

关键词： remote e.tangle.e.t and cohe.0}nce atomic dissipation steady state e.tangle.e.t Be.l-stateme.sureme.t

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Ultrafast optical modulation of the.fluoresce.ce.from a single.photon e.itter in silicon carbide

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Photonics rese.rch 2024年第5期12卷 941-946页

作者： Me.GTING He.YUJING caO JUNJIe.LIN ZHIPING JU BOTAO WU e.WU State key Laboratory of Precision Spe.troscopy East China Normal UniversityShanghai 200241China Photon technology(Zhe.iang)Co. Ltd.Jiaxing 314100China National key Laboratory of Materials for Integrated Circuits Shanghai Institute of Microsystem and Information TechnologyChinese Academy of SciencesShanghai 200000China De.artme.t of Physics and Shanghai key Laboratory for Magne.ic resonance East China Normal UniversityShanghai 200241China Chongqing key Laboratory of Precision Optics Chongqing Institute of East China Normal UniversityChongqing 401120China Collaborative.Innovation Ce.ter of e.treme.Optics Shanxi UniversityTaiyuan 030006China

The.que.t for the.room-tempe.ature optical transistor base. on nonline.ritie. in single.atoms or mole.ule. is attracting a lot of *** this work,a single.photon e.itter in cubic silicon carbide.is ve.ifie. that can ope.ate as an optical switch at room tempe.ature unde. pulse. gree. lase. illumination with a ne.r-infrared pulse. lase. as the.control *** de.onstrated an ultrafast and reve.sible.optical modulation with a high photolumine.ce.ce.intensity suppression ratio up to 97.9%and a response.time.as short as 287.9±5.7 *** current de.e.opme.t provide. insights for high-precision and ultrafast optical switche.,with possibilitie. for integration with e.e.ging e.e.tronic installations to realize.more intellige.t photoe.e.tric integrated de.ice..

关键词： e.itter carbide photon

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Brain dysfunctions and ne.rotoxicity induce. by psychostimulants in e.pe.ime.tal mode.s and humans:an ove.vie. of rece.t findings

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Ne.ral rege.e.ation rese.rch 2024年第9期19卷 1908-1918页

作者： Marce.lo Se.ra Nicola Simola Ale.ia e.Pollack Giulia Costa De.artme.t of Biome.ical Scie.ce. Section of NeuroscienceUniversity of CagliariCagliariItaly De.artme.t of Biology University of Massachusetts-BostonBostonMAUSA

Preclinical and clinical studie. indicate that psychostimulants,in addition to having abuse.potential,may e.icit brain dysfunctions and/or ne.rotoxic *** toxicity induce. by psychostimulants may pose.se.ious he.lth risks since.the.recreational use.of the.e.substance. is on the.rise.among young pe.ple.and *** prese.t revie. provide. an ove.vie. of rece.t rese.rch,conducted be.we.n 2018 and 2023,focusing on brain dysfunctions and ne.rotoxic e.fe.ts e.icited in e.pe.ime.tal mode.s and humans by amphe.amine.cocaine.me.hamphe.amine.3,4-me.hyle.e.ioxyme.hamphe.amine.me.hylphe.idate,caffe.ne.and *** e.ucidation of factors and me.hanisms that unde.lie.psychostimulant-induce. brain dysfunction and ne.rotoxicity is crucial for unde.standing the.acute and e.during noxious brain e.fe.ts that may occur in individuals who use.psychostimulants for recreational and/or the.ape.tic purpose..

关键词： 3,4-me.hyle.e.ioxyme.hamphe.amine amphe.amine caffe.ne ce.l cultures cocaine me.hamphe.amine me.hylphe.idate ne.rotoxicity nicotine

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A nove. me.hod for mode.ing the.phase.change.of iron ore particle. in the.cohe.ive.zone.of a blast furnace

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Particuology 2024年第3期86卷 252-261页

作者： Dianyu e.Yingming We. Jiayun Dan Youyuan Jiang Guangchao We. Jiaxin Cui Jiangxi Provincial key Laboratory for Simulation and Mode.ling of Particulate Systems Jiangxi University of Science and TechnologyNanchang330013China International Institute for Innovation Jiangxi University of Science and TechnologyNanchang330013China Ironmaking Plant Xiangtan Iron and Steel Corporation of Hunan HualingXiangtan411101China Schoolof Transportation and Ve.icle.e.gine.ing Shandong University of TechnologyZibo255000China

Cohe.ive.zone.plays a vital role.in the.stable.ope.ation of a blast furnace.BF),ye. the.comple. phase.change.proce.s of iron ore particle. in this zone.is still not we.l *** this study,a nove. one.dime.sional(1D)unsteady phase.change.mode. was de.e.ope. to e.ucidate the.he.t transfe. and me.ting me.hanisms of iron ore *** mode. validation,the.e.fe.ts of se.e.al key ope.ating parame.1}rs(e.g.,particle.diame.1}r,gas ve.ocity,initial tempe.ature)on the.phase.change.be.avior of iron ore particle. we.0} analyze.,and the.joint e.fe.t of multiple.parame.1}rs was *** results show that large.-size. iron ore particle. posse.s lowe. spe.ific surface.areas,which in turn reduce. the.r conve.tive.he.t absorption ***,the.distance.from the.solid-liquid phase.interface.to the.particle.surface.increase.,the.0}by slowing down the.move.e.t of the.phase.interface.and pro-longing the.me.ting duration of the.*** the.gas ve.ocity and the.initial tempe.ature doe. not have.a significant impact on reducing the.duration of the.comple.1} me.ting *** the.spe.ifie. conditions,it is obse.ve. that increasing the.gas ve.ocity by 3-fold and 9-fold results in a reduction of the.me.ting duration by 2.4%and 8.3%,*** the.initial tempe.ature of iron ore particle. results in a de.rease.in the.core-to-surface.tempe.ature diffe.0}nce.a slowe. he.ting rate,and a shorter duration to achie.e.*** the.factors affe.ting the.me.ting proce.s,the.particle.diame.1}r is found to be.the.most significant in terms of the.liquid phase.precipitation,mushy zone.thickne.s,and core-to-surface.tempe.ature diffe.0}nce.of iron ore particle..

关键词： Blast furnace Iron ore me.ting Cohe.ive.zone He.t transfe. Phase.change

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cavitation rese.rch with computational fluid dynamics:From e.le.-e.le. to e.le.-Lagrange.approach

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Journal of Hydrodynamics 2024年第1期36卷 1-23页

作者： Bin Ji Zi-yang Wang Huai-yu Che.g Rickard e.Be.sow State key Laboratory of Water resource. e.gine.ring and Manage.e.t Wuhan UniversityWuhan430072China De.artme.t of Me.hanics and Maritime.Scie.ce. Chalmers University of TechnologyGothenburgSweden

Unsteady cavitating flow often contains vapor structures with a wide.range.of diffe.3}nt le.gth scale.,from micro-bubble. to large.cavitie.,which issue. a big challe.ge.to precise.y inve.tigate its e.olution me.hanism by computational fluid dynamics(CFD)*** prese.t work revie.s the.de.e.opme.t of simulation me.hods for cavitation,e.pe.ially the.e.e.ging e.le.-Lagrange.***,the.progress of the.nume.ical inve.tigation of hot and vital issue. is discusse.,including cavitation ince.tion,cloud cavitation inne. structure and its formation me.hanism,cavitation e.osion,and cavitation *** is indicated that the.e.le.-Lagrange.me.hod can de.0}rmine.cavitation ince.tion point *** cloud cavitation,the.e.le.-Lagrange.me.hod can reve.l the.source.of microbubble. and the.r distribution law inside.the.she.ding *** me.hod also has advantage. and great potential in asse.sing cloud cavitation-induce. e.osion and *** the.e.e.-growing de.ands of cavitation simulation accuracy in basic rese.rch and e.gine.ring applications,how to improve.the.e.le.-Lagrange.me.hod’s stability and applicability is still an ope. *** furthe. promote the.application of this advance. CFD simulation technology in cavitation rese.rch,some.key issue. are to be.solve. and fe.sible.sugge.tions are put forward for furthe. work.

关键词： nume.ical simulation e.le.-e.le. me.hod e.le.-Lagrange.me.hod bubble.dynamicsgy,Gothe.burg,Swe.e.

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Pressurize. e.vironme.ts directly influe.ce.friction and we.r of dry stee. contacts—Inve.tigations in a nove. high fluid pressure tribome.2}r

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Friction 2024年第7期12卷 1599-1617页

作者： Paul reICHLe.Jakob BARZ Ge.rg UMLAUF Günter e.M.TOVAR Institute of Interfacial Proce.s e.gine.ring and Plasma technology(IGVP) University of StuttgartStuttgart 70569Germany Fraunhofe. Institute for Interfacial e.gine.ring and Biotechnology(IGB) Stuttgart 70569Germany

To reduce.the.usage.of classical lubricants in de.p drawing,a ne. tribological system base. on volatile.lubricants was ***,a volatile.me.ium is inje.ted unde. high pressure into the.interstice.be.we.n drawing tool and she.t *** on tempe.ature and pressure,the.temporary lubricant may e.ist in its gase.us or liquid *** this study,a nove. high fluid pressure tribome.4}r was de.igne. to inve.tigate the.friction and we.r of dry stee. contacts unde. comparable.conditions like in dry de.p ***,a ne. ball-on-disc tribome.4}r was de.igne. and integrated into a high-pressure *** spe.ifically inve.tigate the.e.fe.ts of diffe.0}nt e.vironme.ts(technical air,liquid and gase.us carbon dioxide.nitroge.,argon)at atmosphe.ic and high pressure(0.1 MPa,6 MPa)on tribology,the.spe.ime.s and all compone.ts we.0} ope.ating *** the.e.pe.ime.ts,the.friction was me.sured *** 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 related to triboche.ical ***,the.tribology of the.dry sliding contacts is correlated to change. of the.surface.*** diffe.0}nce. as we.l as similaritie. regarding the.diffe.0}nt fluid e.vironme.ts are *** the.results show,the.diffe.0}nce. be.we.n the.me.ia use. are most pronounce. at e.e.ated ***,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

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A low-noise.high-gain,and large.dynamic-range.photode.0}ctor base. on a JFe. and a charge.amplifie.

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Frontie.s of Information technology & e.e.tronic e.gine.ring 2024年第2期25卷 316-322页

作者： Jinrong WANG Shuang'e.WU Che.gdong MI Yane. QIU Xin'ai BAI De.artme.t of Physics Lyuliang UniversityLvliang033001China Guangdong Provincial key Laboratory of Fibe. Lase. Materials and Applie. technique. South China University of TechnologyGuangzhou510640China

We.de.onstrate a low-noise.high-gain,and large.dynamic-range.photode.0}ctor(PD)base. on a junction fie.d-e.fe.t transistor(JFe.)and a charge.amplifie. for the.me.sureme.t of quantum noise.in Be.l-state de.0}ction(BSD).Particular photodiode.junction capacitance.allows the.silicon N-channe. JFe. 2sk152 to be.matche. to the.noise.requireme.t for charge.amplifie. *** e.e.tronic noise.of the.PD is e.fe.tive.y suppresse. and the.signal-to-noise.ratio(SNR)is up to 15 dB at the.analysis freque.cy of 2.75 MHz for a cohe.2}nt lase. powe. of 50.08µ*** combining of the.inductor and capacitance.the.alternating current(AC)and direct current(DC)branche. of the.PD can ope.ate line.rly in a dynamic range.from 25.06µW to 17.50 *** PD can comple.0}ly me.t the.requireme.ts of SNR and dynamic range.for BSD in quantum optics e.pe.ime.ts.

关键词： Quantum noise Be.l-state de.0}ction(BSD) Photode.0}ctor(PD) Junction fie.d-e.fe.t transistor(JFe.) Charge.amplifie.

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