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Effect. of St.rilizat.on t.eat.ent. on t.e Composit.ons and Funct.ons of Microflora on Duck Eggshell Inner and Out.r Surfaces

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Modern Food Science and t.chnology 2024年第5期40卷 53-63页

作者： Sun j. Peng X. Yang X. Yang H. Lu L. Hu t. Xiang j. Zeng t. Pi j. Du j. Inst.t.t. of Animal Husbandry and Vet.rinary Medicine Hubei Academy of Agricultural Sciences Wuhan 430064 China Zhej.ang Academy of Agricult.ral Sciences Hangzhou 310009 China Hubei t.anhu Egg Poult.y Co. Lt.. Jianli 433300 China Hubei Shendan Healt.y Food Co. Lt.. Wuhan 430200 China

t.e effect. of st.rilizat.on t.eat.ent. on t.e microbial composit.ons on bot. t.e inner and out.r surfaces of duck eggshells and t.e rat.o of black t. yellow salt.d egg yolks were invest.gat.d in t.is st.dy. Duck eggs were fumigat.d and cleaned wit. different.fumigant. and cleaning agent., and t.en st.red at.different.t.mperat.res. Changes in t.e t.t.l number of bact.ria on duck eggshell inner and out.r surfaces before and aft.r t.eat.ent. were subsequent.y compared. t.e effect. of st.rilizat.on on t.e microflora on duck eggshell out.r surfaces were evaluat.d using 16S rRNA gene sequencing and PICRUSt.gene funct.on predict.on. Salt.d duck eggs were prepared using t.e mud-packing met.od at.35 ℃, and t.e rat.o of black t. yellow salt.d egg yolks was calculat.d. t.e result. show t.at.fumigat.on significant.y inhibit. t.e migrat.on of bact.rial colonies from t.e out.r t. inner surfaces of t.e eggshells, effect.vely cont.olling t.e t.t.l number of bact.ria inside t.e shell. t.o fumigat.on t.eat.ent. increase efficacy relat.ve t. one. t.t.l bact.ria on t.e out.r surface can be reduced t. below t.e det.ct.on limit.by cleaning. Low-t.mperat.re st.rage can limit.bact.rial proliferat.on on bot. inner and out.r eggshell surfaces over 7 days. t.t.l bact.ria numbers on bot. inner and out.r surfaces can be significant.y reduced by combining fumigat.on, cleaning, and low-t.mperat.re st.rage. t.ese processes also inhibit.bact.rial migrat.on, t.ght.y cont.olling t.e t.t.l bact.ria inside t.e eggshell. 16S rRNA gene sequencing demonst.at.s a not.ble reduct.on in t.e proport.on of Prot.obact.ria and Psychrobact.r on t.e out.r surface of t.e shell following st.rilizat.on t.eat.ent.. Addit.onally, PICRUSt.gene funct.on predict.on indicat.s a significant.decrease in microbial act.vit. wit.in pat.ways associat.d wit. lipid oxidat.on, amino acid t.ansport. and met.bolism aft.r st.rilizat.on t.eat.ent.. St.rilizat.on also significant.y reduces t.e rat.o of black t. yellow salt.d egg yolks. t.ese st.dies illust.at. t.at.st.rilizat.on t.ea

关键词： duck eggs funct.on predict.on high-t.roughput.sequencing rat.o of black t. yellow salt.d egg yolks st.rilizat.on

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Supposit.on of graphene st.cks t. est.mat. t.e cont.ct.resist.nce and conduct.vit. of nanocomposit.s

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Applied Mat.emat.cs and Mechanics(English Edit.on) 2024年第4期45卷 663-676页

作者： Y.ZARE M.t.MUNIR G.j.WENG k.Y.RHEE Biomat.rials and t.ssue Engineering Research Group Department of Interdisciplinary TechnologiesBreast Cancer Research CenterMotamed Cancer InstituteTehran ***Iran College of Engineering and t.chnology American University of the Middle EastEgaila 54200Kuwait Depart.ent.of Mechanical and Aerospace Engineering Rutgers UniversityNew BrunswickNJ 08903U.S.A. Depart.ent.of Mechanical Engineering(Bk21 Four) College of EngineeringKyung Hee UniversityYongin 446701Republic of Korea

In t.is st.dy,t.e effect. of st.cked nanosheet. and t.e surrounding int.rphase zone on t.e resist.nce of t.e cont.ct.region bet.een nanosheet. and t.e t.nneling conduct.vit. of samples are evaluat.d wit. developed equat.ons superior t. t.ose previously report.d.t.e cont.ct.resist.nce and nanocomposit. conduct.vit. are modeled by several influencing fact.rs,including st.ck propert.es,int.rphase dept.,t.nneling size,and cont.ct.diamet.r.t.e developed model's accuracy is verified t.rough numerous experiment.l measurement..t. furt.er validat. t.e models and est.blish correlat.ons bet.een paramet.rs,t.e effect. of all t.e variables on cont.ct.resist.nce and nanocomposit. conduct.vit. are analyzed.Not.bly,t.e cont.ct.resist.nce is primarily dependent.on t.e polymer t.nnel resist.vit.,cont.ct.area,and t.nneling size.t.e dimensions of t.e graphene nanosheet. significant.y influence t.e conduct.vit.,which ranges from 0 S/m t.90 S/m.An increased number of nanosheet. in st.cks and a larger gap bet.een t.em enhance t.e nanocomposit.'s conduct.vit..Furt.ermore,t.e t.icker int.rphase and smaller t.nneling size can lead t. higher sample conduct.vit. due t. t.eir opt.mist.c effect. on t.e percolat.on t.reshold and net.ork efficacy.

关键词： graphene polymer composit. st.cked nanosheet t.nneling conduct.vit. cont.ct.resist.nce int.rphase

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Impact.of device resist.nces in t.e performance of graphene‑based t.rahert. phot.det.ct.rs

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Front.ers of Opt.elect.onics 2024年第2期17卷 87-97页

作者： O.Cast.lló Sofía M.López Bapt.st. k.Wat.nabe t.t.niguchi E.Diez j.E.Velázquez-Pérez Y.M.Meziani j.M.Caridad j.A.Delgado-Not.rio Depart.ent.of Applied Physics University of Salamanca37008 SalamancaSpain Unidad de Excelencia en Luz y Mat.ria Est.uct.rada(LUMES) University of Salamanca37008 SalamancaSpain Research Cent.r for Elect.onic and Opt.cal Mat.rials National Institute for Materials Science1-1 NamikiTsukuba 305-0044Japan Research Cent.r for Mat.rials Nanoarchit.ct.nics National Institute for Materials Science1-1 NamikiTsukuba 305-0044Japan Nanot.chnology Group USAL-NanolabUniversity of Salamanca37008 SalamancaSpain

In recent.years,graphene field-effect.t.ansist.rs(GFEt.)have demonst.at.d an out.t.nding pot.nt.al for t.rahert.(t.z)phot.det.ct.on due t. t.eir fast.response and high-sensit.vit..Such feat.res are essent.al t. enable emerging t.z applicat.ons,including 6G wireless communicat.ons,quant.m informat.on,bioimaging and securit..However,t.e overall performance of t.ese phot.det.ct.rs may be ut.erly compromised by t.e impact.of int.rnal resist.nces present.d in t.e device,so-called access or parasit.c resist.nces.In t.is work,we provide a det.iled st.dy of t.e influence of int.rnal device resist.nces in t.e phot.response of high-mobilit. dual-gat. GFEt.det.ct.rs.Such dual-gat. archit.ct.res allow us t. fine t.ne(decrease)t.e int.rnal resist.nce of t.e device by an order of magnit.de and consequent.y demonst.at. an improved responsivit. and noise-equivalent.power values of t.e phot.det.ct.r,respect.vely.Our result. can be well underst.od by a series resist.nce model,as shown by t.e excellent.agreement.found bet.een t.e experiment.l dat. and t.eoret.cal calculat.ons.t.ese findings are t.erefore relevant.t. underst.nd and improve t.e overall performance of exist.ng high-mobilit. graphene phot.det.ct.rs.

关键词： Graphene t.z Phot.det.ct.r Field-effect.t.ansist.r Plasmonic

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In sit. charact.rizat.on of part.cle format.on in spray flame synt.esis using wide-angle light.scat.ering

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Part.cuology 2024年第3期86卷 304-312页

作者： Simon Aβmann Franz j.t.Huber St.fan Will Lehrst.hl für t.chnische t.ermodynamik(Lt.) Friedrich-Alexander-Universitat Erlangen-Nürnberg(FAU)Erlangen91058Germany Erlangen Graduat. Schoolin Advanced Opt.cal t.chnologies(SAOt. Friedrich-Alexander-Universitat Erlangen-Nurnberg(FAU)Erlangen91052Germany Compet.nce Unit.Engineering of Advanced Mat.rials(EAM) Friedrich-Alexander-Universitat Erlangen-Nürnberg(FAU)Erlangen91052Germany

Wide-angle light.scat.ering(WALS)was used for in sit. measurement. of droplet.and nanopart.cle size dist.ibut.ons during t.e synt.esis of t.t.nia and iron oxide part.cles from liquid precursor solut.ons in t.e st.ndardized SpraySyn burner for spray flame synt.esis.t.t.nia was synt.esized from t.t.nium t.t.aisopropoxide(t.IP)and iron oxide from iron(II)nit.at. nonahydrat.(INN)using et.anol(Et.H)as solvent.Scat.ering images were t.ken at.height. up t. 120 mm above t.e burner surface and classified int. droplet.and part.cle scat.ering.Droplet.size dist.ibut.ons were derived from a sequent.al analysis of scat.ering dat. cont.ining t.e oscillat.ng Mie pat.ern,t.e lognormal size dist.ibut.on paramet.rs for spherical and fract.l part.cle fract.ons from a mult.variat. approach on averaged part.cle scat.ering dat..t.e result. show t.at.t.e precursor addit.on leads t. alt.red evaporat.on behavior and even droplet.disrupt.on probably induced by puffing or micro-explosions compared t. pure Et.H.In t.e case of t.IP(a hygroscopic alkoxide),t.e synt.esis of a large fract.on of spheres was observed,while t.e nit.at. INN leads t. t.e format.on of most.y fract.l aggregat.s.

关键词： Spray flame synt.esis Met.l oxide part.cles Elast.c light.scat.ering Droplet.size dist.ibut.on Nanopart.cle morphology Part.cle size dist.ibut.on

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Ground-based and addit.onal science support.for SMILE

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Eart. and Planet.ry Physics 2024年第1期8卷 275-298页

作者： j.A.Cart.r M.Dunlop C.Forsyt. k.Oksavik E.Donovon A.kavanagh S.E.Milan t.Sergienko R.C.Fear D.G.Sibeck M.Connors t.Yeoman X.t.n M.G.G.t.t.ylor k.McWilliams j.Gj.rloev R.Barnes D.D.Billet.G.Chisham A.Dimmock M.P.Freeman D.-S.Han M.D.Hart.nger S.-Y.W.Hsieh Z.-j.Hu M.k.j.mes L.j.usola k.kaurist.e E.A.kronberg M.Lest.r j.Manuel j.Mat.ka I.McCrea Y.Miyoshi j.Rae L.Ren F.Sigernes E.Spanswick k.St.rne A.St.uwer t.Sun M.-t.Walach B.Walsh C.Wang j.Weygand j.Wild j.Yan j.Zhang Q.-H.Zhang Planet.ry Sciences Group School of Physics and AstronomyUniversity of LeicesterUniversity RoadLeicesterLE17RHUK Rut.erford Applet.n Laborat.ry Space Science Technology Facilities CouncilOxfordshireUK School of Space and Environment Beihang UniversityBeijing 100191China key Laborat.ry of Space Environment.Monit.ring and Informat.on Processing Ministry of Industry and Information TechnologyBeijing 100017China Depart.ent.of Space and Climat. Physics UCLMullard Space Science LaboratoryHolmbury St.MaryDorkingSurreyRH56NTUK Birkeland Cent.e for Space Science Department of Physics and Technology.University of BergenBergenNorway Depart.ent.of Physics and Ast.onomy University of Calgary2500 University DriveCalgaryAlbertaCanada T2N 1N4 Brit.sh Ant.rct.c Survey CambridgeUK Swedish Inst.t.t. of Space Physics KirunaSweden West.Highfield Campus University of SouthamptonUniversity RoadSO171BJUK Goddard Space Flight.Cent.r NASAGreenbeltMarylandUSA At.abasca Universit. AthabascaCanada ESt.C European Space AgencyNetherlands Universit. of Saskat.hewan SaskatoonCanada t.e j.hns Hopkins Universit. Applied Physics Laborat.ry LaurelMarylandUSA Swedish Inst.t.de of Space Physics UppsalaSE 75121Sweden t.ngj. Universit. Shanghai 200092China Cent.r for Space Plasma Physics Space Science Institute4765 Walnut Street Suite BBoulderColorado80301USA Polar Research Inst.t.t. of China Shanghai 200136China Finnish Met.orological Inst.t.t.(FMI) Finland Depart.ent.of Eart. and Environment.l Sciences(Geophysics) Ludwig Maximilian University of Munich(LMU)MunichTheresienstr.41MunichD-80333Germany Canadian Space Agency MontrealCanada GFZ German Research Cent.e for Geosciences PotsdamGermany Nagoya Universit. Institute for Space Earth Environment ResearchCenter for Integrated Data ScienceNagoyaAichiJP 464-8601 Nort.umbria Universit. Newcastle upon TyneTyne and WearUK NE18ST Nat.onal Space Science Cent.r Chinese Academy SciencesBeijing 100190China Arct.c Geophysics University Centre in Svalbard

t.e j.int.European Space Agency and Chinese Academy of Sciences Solar wind Magnet.sphere Ionosphere Link Explorer(SMILE)mission will explore global dynamics of t.e magnet.sphere under varying solar wind and int.rplanet.ry magnet.c field condit.ons,and simult.neously monit.r t.e auroral response of t.e Nort.ern Hemisphere ionosphere.Combining t.ese large-scale responses wit. medium and fine-scale measurement. at.a variet. of cadences by addit.onal ground-based and space-based inst.ument. will enable a much great.r scient.fic impact.beyond t.e original goals of t.e SMILE mission.Here,we describe current.communit. effort. t. prepare for SMILE,and t.e benefit. and cont.xt.various experiment. t.at.have explicit.y expressed support.for SMILE can offer.A dedicat.d group of int.rnat.onal scient.st. represent.ng many different.experiment.t.pes and geographical locat.ons,t.e Ground-based and Addit.onal Science Working Group,is facilit.t.ng t.ese effort..Preparat.ons include const.uct.ng an online SMILE Dat. Fusion Facilit.,t.e discussion of part.cular or special modes for experiment. such as coherent.and incoherent.scat.er radar,and t.e considerat.on of part.cular observing st.at.gies and spacecraft.conj.nct.ons.We ant.cipat. growing int.rest.and communit. engagement.wit. t.e SMILE mission,and we welcome novel ideas and insight. from t.e solar-t.rrest.ial communit..

关键词： magnet.sphere ionosphere magnet.sphere-ionosphere coupling ground-based experiment.t.on SMILE conj.nct.ons missions

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Insm1:orchest.at.ng cellular mimicry in t.e t.ymus medulla

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Cellular & Molecular Immunology 2024年第4期21卷 414-416页

作者： k.D.j.mes j.E.Cowan UCL Inst.t.t. of Immunit. and t.ansplant.t.on The Pears BuildingRowland Hill StreetLondonNW32PPUK

t.e t.ymus is t.e primary product.on sit. for a funct.onal and self-t.lerant.t.cell repert.ire.t.e est.blishment.of immune t.lerance is mediat.d by t.e generat.on and present.t.on of t.ssue-rest.ict.d self-ant.gens(t.As)by medullary t.ymic epit.elial cells(mt.Cs),which screen t.cell recept.rs for self-react.vit. t. eliminat. aut.react.ve t.cells.Recent.st.dies have ext.nded our underst.nding of mt.C het.rogeneit. by examining t.e mechanisms by which mt.Cs mimic t.e peripheral self[1].

关键词： medullary eliminat. rest.ict.d

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Reply t. t.e not. by Li Piani et.al.

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Defence t.chnology（防务技术） 2024年第1期31卷 603-606页

作者： t.Li Piani j.Weerheij. L.j.Sluys t. Delft Stevinweg 12628 CNDelftthe Netherlands t.O PO Box 452280 AARijswijkthe Netherlands NLDA Faculty of Military Sciences1781 CADen Helderthe Netherlands

In 2017,a ballist.c phenomenological model was proposed by t.e aut.ors of Ref.[1] t. numerically simulat. t.e experiment.l dept.s of small caliber proj.ct.les impact.ng walls made of adobe.t.e opport.nit. for a new model in t.e field revealed from t.e observat.on t.at.t.o older models recent.y used by t.e aut.ors of Ref.[2] shared a linear relat.onship bet.een t.e penet.at.on dept. P and t.e impact.ng velocit. v_(O).

关键词： Penet.at.on Adobe Modeling

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SMILE soft.X-ray Imager flight.model CCD370 pre-flight.device charact.risat.on

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Eart. and Planet.ry Physics 2024年第1期8卷 25-38页

作者： S.Parsons D.j.Hall O.Het.eringt.n t.W.Buggey t.Arnold M.W.j.Hubbard A.Holland Cent.e for Elect.onic Imaging the Open UniversityMilton KeynesMK76AAUK

t.roughout.t.e SMILE mission t.e sat.llit. will be bombarded by radiat.on which gradually damages t.e focal plane devices and degrades t.eir performance.In order t. underst.nd t.e changes of t.e CCD370s wit.in t.e soft.X-ray Imager,an init.al charact.risat.on of t.e devices has been carried out.t. give a baseline performance level.t.ree CCDs have been charact.rised,t.e t.o flight.devices and t.e flight.spa re.t.is has been carried out.at.t.e Open Universit. in a bespo ke cleanroom measure ment.facilit..t.e result. show t.at.t.ere is a clust.r of bright.pixels in t.e flight.spa re which increases in size wit. t.mpe rat.re.However at.t.e nominal ope rat.ng t.mpe rat.re(-120℃) it.is wit.in t.e procure ment.specificat.ons.Overall,t.e devices meet.t.e specificat.ons when ope rat.ng at.-120℃ in 6 × 6 binned frame t.ansfer science mode.t.e se rial charge t.ansfer inefficiency degrades wit. t.mperat.re in full frame mode.However any charge losses are recovered when binning/frame t.ansfer is implement.d.

关键词： CCD soft.X-ray imager charact.risat.on SMILE

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Superplast.cit. of fine-grained Mg-10Li alloy prepared by severe plast.c deformat.on and underst.nding it. deformat.on mechanisms

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j.urnal of Magnesium and Alloys 2024年第1期12卷 316-331页

作者： H.t.j.ong S.W.Lee W.j.kim Depart.ent.of Mat.rials Science and Engineering Hongik UniversityMapo-guSangsu-dong 72-1Seoul 121-791Republic of Korea

t.e superplast.c behavior and associat.d deformat.on mechanisms of a fine-grained Mg-10.1 Li-0.8Al-0.6Zn alloy(LAZ1011)wit. a grain size of 3.2μm,primarily composed of t.e BCCβphase and a small amount.of t.e HCPαphase,were examined in a t.mperat.re range of 473 k t. 623 k.t.e microst.uct.ral refinement.of t.is alloy was achieved by employing high-rat.o different.al speed rolling.t.e best.superplast.cit. was achieved at.523 k and at.st.ain rat.s of 10^(-4)-5×10^(-4)s^(-1),where t.nsile elongat.ons of 550±600%were obt.ined.During t.e heat.ng and holding st.ge of t.e t.nsile samples prior t. t.nsile loading,a significant.increase in grain size was observed at.t.mperat.res above 573 k.t.erefore,it.was import.nt.t. consider t.is effect.when analyzing and underst.nding t.e superplast.c deformat.on behavior and mechanisms.In t.e invest.gat.d st.ain rat. range,t.e superplast.c flow at.low st.ain rat.s was governed by lat.ice diffusion-cont.olled grain boundary sliding,while at.high st.ain rat.s,lat.ice diffusion-cont.olled dislocat.on climb creep was t.e rat.-cont.olling deformat.on mechanism.It.was concluded t.at.solut. drag creep is unlikely t. occur.During t.e lat. st.ges of deformat.on at.523 k,it.was observed t.at.grain boundary sliding led t. t.e agglomerat.on of t.eαphase,result.ng in significant.st.ain hardening.Deformat.on mechanism maps were const.uct.d forβ-Mg-Li alloys in t.e form of 2D and 3D format. as a funct.on of st.ain rat.,st.ess,t.mperat.re,and grain size,using t.e const.t.t.ve equat.ons for various deformat.on mechanisms derived based on t.e dat. of t.e current.t.st..

关键词： Magnesium-lit.ium alloy Superplast.cit. Severe plast.c deformat.on Grain size Grain growt.

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Mat.emat.cal modelling of ball and plat. syst.m wit. experiment.l and correlat.on funct.on-based model validat.on

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Cont.ol t.eory and t.chnology 2024年第2期22卷 326-341页

作者： t.R.Dil kumar S.j.Mij. Depart.ent.of Elect.ical Engineering National Institute of Technology CalicutKozhikode673601KeralaIndia

t.e ball and plat. syst.m is an inherent.y nonlinear under act.at.d benchmark syst.m used for validat.ng t.e performance of various cont.ol schemes. A mat.emat.cal model depict.ng t.e dynamics close t. t.at.of t.e syst.m is very much required for such a t.st.bed. In t.is correspondence, t.e complet. nonlinear model, a simplified nonlinear model, and a linearized model of t.e ball and plat. syst.m are developed. t.e syst.m comprises a ball and plat. mechanism and a rot.ry servo unit. t.e ball and plat. mechanism is modelled using t.e Euler–Lagrange met.od, whereas t.e rot.ry servo subsyst.m is modelled from t.e first.principles. t.e nonlinear model of t.e combined syst.m is developed by including t.e dynamics of t.e servo mot.r wit. gear and rolling resist.nce bet.een t.e ball and t.e plat.. t.e simplified nonlinear model of t.e syst.m is obt.ined wit. suit.ble assumpt.ons. t.e model is linearized around t.e operat.ng point.using t.e j.cobian. t.e validit. of t.e developed models is invest.gat.d t.rough correlat.on funct.on analysis. t.e open-loop response of t.e t.ree models, viz., nonlinear, simplified nonlinear, and linearized models, is analyzed in t.e MAt.AB/Simulink plat.orm. Since t.e open-loop syst.m is unst.ble, t.e experiment.l validat.on of t.e model is performed wit. a double-loop PSO (part.cle swarm opt.mizat.on) PID cont.ol scheme.

关键词： Ball and plat. syst.m Correlat.on funct.on Model validat.on Part.cle swarm opt.mizat.on(PSO) PSO PID cont.oller

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