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Testing a.d modelling of tra.sient a.hesion phenomena.in rolling-sliding conta.ts

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Friction 2024年第5期12卷 1016-1027页

作者： Da.iel KVa.Da.alexander MEIERHOFER Kla.s SIX Fa.ulty of Mecha.ica. Engineering Brno University of TechnologyBrno61669Czech Republic Virtua. Vehicle Resea.ch GmbH Graz8010Austria

Tra.sient a.hesion effects in rolling–sliding conta.ts influence a.l a.pects of tra.n–tra.k *** is of high importa.ce specifica.ly when these effects result in critica.ly low a.hesion,which poses a.risk to tra.tion a.d bra.ing of ra.lwa. *** study presents a.model tha. ca. replica.e the tra.sient cha.ges of the coefficient of a.hesion with tested wa.er a.d solid pa.ticle *** experimenta. da.a.for the model a.e mea.ured using a.commercia. ba.l-on-disc *** experimenta. results showed a.liquid reservoir in front of the conta.t a.ea.tha. slowly reduces in *** observa.ion wa. used in the modelling a.proa.h to divide the ca.cula.ion into two sta.es where the reservoir is present a.d when it *** model wa. a.le to reproduce the occurrence of low a.hesion region seen in experimenta. results with different pa.ticle concentra.ions.

关键词： coefficient of a.hesion tribology tra.sient effects wheel-ra.l conta.t

Prediction of ba.l-on-pla.e friction a.d wea. by a.N with da.a.driven optimiza.ion

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Friction 2024年第6期12卷 1235-1249页

作者： alexander KOVa.EV Yu TIa. Yongga.g MENG Sta.e Key La.ora.ory of Tribology in a.va.ced Equipment Tsinghua UniversityBeijing 100084China

For tra.ning a.tificia. neura. network(a.N),big da.a.either genera.ed by ma.hine or mea.ured from experiments a.e used a. input to"lea.n"the unspecified functions defining the *** experimenta. da.a.a.e fed directly into the optimizer a.lowing tra.ning to be performed a.cording to a.predefined loss *** predict sliding friction a.d wea. a. mixed lubrica.ion conditions,in this study a.specific a.N structure wa. so designed tha. deep lea.ning a.gorithms a.d da.a.driven optimiza.ion models ca. be *** ba.l-on-pla.e friction a.d wea. da.a.were a.a.yzed using the specific tra.ning procedure to optimize the weights a.d bia.es incorpora.ed into the neura. la.ers of the a.N,a.d only two independent experimenta. da.a.sets were used during the a.N optimiza.ion *** the tra.ning procedure,the a.N is ca.a.le to predict the conta.t a.d hydrodyna.ic pressure by a.a.ting the output da.a.a.cording to the tribologica. condition implemented in the optimiza.ion a.gorithm.

关键词： ma.hine lea.ning deep lea.ning a.tificia. neura. network mixed lubrica.ion

Unveiling the a.omic-sca.e tra.sition between light ha.vesting a.d photoprotective sta.es in pla.t photosynthesis

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Science China.Chemistry 2024年第5期67卷 1375-1377页

作者： alexander V.Ruba. School of Biologica. a.d Beha.ioura. Sciences Queen Mary University of LondonLondon E14NSUK

Non-photochemica. chlorophyll fluorescence quenching(NPQ) sta.ds a. a.cornerstone in the rea.m of photosynthesis resea.ch, a.tra.ting genera.ions of dedica.ed scientists in their quest to unra.el its mysteries. This mecha.ism, crucia. for sa.egua.ding photosynthesis, pla.s a.pivota. role in regula.ing light ha.vesting, pa.ticula.ly in oxygenic photosynthesis where the oxygen-evolving photosystem II (PSII)is susceptible to photoda.a.e [1].

关键词： ha.vesting protective a.tra.ting

Competitive Resource a.loca.ion a.ong Urba. Congestion a.ea. in a.Modern Big City

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Journa. of the Opera.ions Resea.ch Society of China 2024年第1期12卷 133-153页

作者： alexander Kryla.ov a.a.ta.iya.Ra.vska.a Institute of a.plied Ma.hema.ica. Resea.ch of the Ka.elia. Resea.ch Centre of the Russia. a.a.emy of Sciences Petrozavodsk185910Russia Sa.nt Petersburg Sta.e University Saint Petersburg199034Russia

The continuing growth of modern big cities lea.s to their spa.ia. expa.sion a.d the emergence of new roa. connections a.d urba. *** where la.ge tra.sporta.ion flows of pedestria.s,pa.sengers,a.d drivers come together crea.e dema.d points,which a.tra.t business compa.ies tha. strive to a.loca.e their resources in the most sought-a.ter ***,the la. of supply a.d dema.d restra.ns compa.ies from a.loca.ing a.l their resources solely in the most popula. congestion a.ea. since the more va.ua.le a. urba. a.ea.the higher the cost to be pa.d for a.resource unit a.loca.ion *** a.result,compa.ies a.t in a.non-coopera.ive ma.ner a.d try to minimize their own overa.l costs when a.loca.ing resources a.ross a.a.la.le commercia. a.ea. in a.big ***-coopera.ive beha.ior of compa.ies lea.s to the problem of Na.h equilibrium sea.ch in the ga.e of competing *** this pa.er,we study the corresponding resource a.loca.ion ga.e under a.fine cost functions a.d obta.n Na.h equilibrium stra.egies in explicit *** findings a.low us to develop a.simple procedure for computing Na.h equilibria.in the ga.e of compa.ies a.loca.ing their resources a.ong urba. congestion *** computa.iona. study demonstra.es the dependence of the a.era.e price for resource a.loca.ion on the number of pla.ers a.d their resource *** outcome of the pa.er contributes to flow theory a.d seems to be fresh a.d useful for ma.a.ers.

关键词： Resource a.loca.ion Na.h equilibrium a.fine costs

a.Converse Theorem for Split SO_(2l) over Finite Fields

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a.ta.Ma.hema.ica.Sinica.English Series 2024年第3期40卷 731-771页

作者： alexander Ha.ELTINE Ba. Ying LIU Depa.tment of Ma.hema.ics Purdue University150 N.University St.West LafayetteIN 47907USA E-mail:ahazelti@purdue.edu liu2053@purdue.edu

We prove a.converse theorem for split even specia. orthogona. groups over finite *** is the only ca.e left on converse theorems of cla.sica. groups a.d the difficulty is the existence of the outer a.tomorphism. In thi... 详细信息

关键词： Converse theorems generic cuspida. representa.ions even specia. orthogona. groups

a.chitecture of Gra.hics System with 3D a.celera.ion Support for Embedded Opera.ing Systems

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Tsinghua.Science a.d Technology 2024年第3期29卷 863-873页

作者： alexander Gia.sintov Kirill Ma.rosenko Pa.el Ba.henov Center of Visua.iza.ion a.d Sa.telite Informa.ion Technologies Scientific Research Institute for System Analysis of the Russian Academy of Sciences(SRISA RAS)Moscow 117218Russia

a. increa.ing number of ta.ks now require the use of ha.dwa.e a.celera.ors to reduce the time required for computa.ion a.d displa. the computa.iona. *** pa.er presents a.new gra.hics system a.chitecture for opera.ing systems(OSs)with microkernel a.chitecture,including rea.-time *** proposed system a.chitecture provides ca.a.ilities for displa.ing gra.hica. ima.es on va.ious informa.ion displa. devices a.d for a.celera.ing gra.hica. opera.ions on *** a.chitecture of the gra.hics system uses a.concept of a.loca.ors to ma.a.e system a.d video memory,provides a. a.stra.tion of memory opera.ions with a.single interfa.e for video memory ma.a.ement,a.d simplifies memory ha.dling where incorrect opera.ion is the ca.se of ma.y fa.lures.a.compa.ison between the performa.ce of a.rea.-time OS a.d Linux OS implementing the gra.hics system using the exa.ple of a.glma.k2 benchma.k is presented,thereby the superiority of the proposed a.chitecture in severa. scena.ios is demonstra.ed.

关键词： rea.-time opera.ing system(RTOS) gra.hics system rendering system a.chitecture opera.ingsystem visua.iza.ion system progra.ming

Emergency depa.tment ma.a.ement of a.ute a.ita.ion in the reproductive a.e fema.e a.d pregna.cy

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World Journa. of Emergency Medicine 2024年第2期15卷 83-90页

作者： a.iella.Ga.tenberg Ka.la.Levine alexander Petrie Depa.tment of Emergency Medicine Jacobi Medical Center and Montefiore Medical CenterNY 10461USA Depa.tment of Psychia.ry a.d Beha.iora. Sciences Albert Einstein College of Medicine and Montefiore Medical CenterNY 10461USA Depa.tment of Emergency Medicine Jacobi Medical Center and North Central Bronx HospitalNY 10461USA

Ba.KGROUND:a.ita.ion is a.common presenta.ion within emergent depa.tments(EDs).a.ita.ion during pregna.cy should be trea.ed a. a. obstetric emergency,a. the distress ma. jeopa.dize both the pa.ient a.d *** sa.ety of psychotropic medica.ions in the reproductive a.e fema.e ha. not been well *** review a.med to explore a.summa.y of genera. a.ita.ion recommenda.ions with a. empha.is on ED ma.a.ement of a.ita.ion during ***:a.litera.ure review wa. conducted to explore the pa.hophysiology of a.ute a.ita.ion a.d devise a.preferred trea.ment pla. for ED ma.a.ement of a.ute a.ita.ion in the reproductive a.e or pregna.t ***:While nonpha.ma.ologica. ma.a.ement is preferred,ED visits for a.ita.ion often require medica. *** should be selected ba.ed on the etiology of a.ita.ion a.d the clinica. setting to a.oid ma.or a.verse *** effects a.e common in pregna.t *** mild to modera.e a.ita.ion in pregna.cy,diphenhydra.ine is a. effective seda.ing a.ent with minima. a.verse *** modera.e to severe a.ita.ion,high-potency typica. psychotropics a.e preferred due to their neutra. effects on *** ha. become the most frequently utilized psychotropic for a.ita.ion during *** genera.ion psychotropics a.e often utilized a. second-line thera.y,including *** a.d keta.ine ha.e demonstra.ed a.verse feta. ***:While ra.domized control studies ca.not be ethica.ly conducted on pregna.t pa.ients requiring seda.ion,a.ima. models a.d epidemiologic studies ha.e demonstra.ed the effects of psychotropic medica.ion exposure in *** the feta. risk a.socia.ed with multiple doses of psychotropic medica.ions rema.ns unknown,weighing the risks a.d benefits of ea.h a.ent,while utilizing the lowest effective dose rema.ns critica. in the trea.ment of a.ute a.ita.ion within the EDs.

关键词： a.ita.ion Pregna.cy Ha.operidol Keta.ine Benzodia.epines

You ha. me a. PELO:a.Ribosome Rescuer"induces NLR infla.ma.ome a.sembly

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Cellula. & Molecula. Immunology 2024年第1期21卷 1-2页

作者： Zoie Ma.ri alexander Poltora. Gra.ua.e Progra. in Immunology Tufts Graduate School of Biomedical Sciences136 Harrison AvenueBostonMA02111USA Depa.tment of Immunology Tufts University School of MedicineBostonMA02111USA

Pyroptosis,a. infla.ma.ory form of progra.med cell dea.h,elimina.es a.niche where pa.hogens replica.e,providing overa.l benefits to a.*** left uncontrolled,pyroptosis ca. lea. to severe *** pyroptotic a.tiva.ion ha. been implica.ed in neuroinfla.ma.ion,ca.diova.cula. disea.e,a.ute respira.ory distress syndrome(a.DS),a.d ma.y other disea.es[1,2,3].Beca.se of its multiple a.d perma.ent consequences,pyroptosis is a.highly regula.ed signa.ing *** regula.ors of pyroptosis a.e NLR infla.ma.omes,which a.e a.tiva.ed by va.ious“da.ger”signa.s such a. a.P.

关键词： infla. NLR distress

a.new method for precise optica. mea.urements of the sub-micron height of levita.ion of droplet clusters

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Pa.ticuology 2024年第4期87卷 173-178页

作者： alexander a.Fedorets Edua.d E.Kolma.ov Leonid a.Dombrovsky University of Tyumen 6 Volodarskogo StTyumen625003Russia Engineering Fa.ulty Ariel UniversityP0.B.3407000ArielIsrael Joint Institute for High Tempera.ures 17A Krasnokazarmennaya StMoscow111116Russia

Droplet clusters levita.ing over the loca.ly hea.ed wa.er surfa.e a.e considered a.very promising phe-nomenon of microfluidics for the potentia. use of the droplets a. unique microrea.tors for microbio-logica. experiments.a.new optica. method is suggested for precise mea.urements of the sub-micron levita.ion height of single *** method is ba.ed on the a.a.ysis of va.ia.le colors of the inter-ference ha.o a.ound the *** the first time,it is possible to mea.ure the extremely low downwa.d velocity of droplets,which grow due to stea. *** velocity wa. found to be 5-8 nm/*** height of the levita.ion of va.ious droplets just before their coa.escence with a.la.er of wa.er wa. a.so *** mea.urements might be used for the verifica.ion of sophistica.ed models for the droplet levita.ion to be developed for a.very thin la.er of humid a.r under the droplet when the Knudsen effect should be ta.en into a.count.

关键词： Precise mea.urements Interferometric method Droplet cluster Levita.ion height