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Ma.nesium oxide(Mg.)na.oa.sorbents in wa.tewa.er trea.ment:a.comprehensive review

Journa. of Ma.nesium a.d a.loys 2024年第5期12卷 1709-1773页

作者： H.C.S.Perera.V.g.runa.tha.a. a.oop Sing. M.M.M.g.P.g.Ma.tila.a.g.Da. Sa.deep a.ya Depa.tment of Physics Khalifa UniversityAbu Dhabi12788United Arab Emirates Postg.a.ua.e Institute of Science University of PeradeniyaPeradeniyaSri Lanka Depa.tment of Huma.ities a.d Sciences Guru Nanak Institutions Technical CampusIbrahimpatnamHyderabad501506India Centre for g.oba. Hea.th Resea.ch Saveetha Medical College and HospitalsSaveetha Institute of Medical and Technical SciencesChennai602105Tamil NaduIndia Depa.tment of Physics University of JammuJammu and Kashmir180006India

Wa.tewa.er conta.ina.ion by hea.y meta.s a.d synthetic dyes presents a.sig.ifica.t environmenta. cha.leng.,necessita.ing.effective a.d susta.na.le sepa.a.ion *** review a.ticle provides a.deta.led exa.ina.ion of ma.nesium oxide(Mg.)na.opa.ticles a. a. innova.ive na.oa.sorbent for wa.tewa.er trea.ment,with a.specific focus on hea.y meta. a.d dye *** review comprehensively explores va.ious a.pects of Mg. na.opa.ticles,including.their structura. cha.a.teristics a.d synthesis *** a.ticle delves into the morpholog. a.d crysta.log.a.hic a.ra.g.ment of Mg. na.opa.ticles,offering.insig.ts into their structura. *** the complexity of a.sorption processes,the review identifies a.d a.a.yzes pa.a.eters influencing.the a.sorption efficiency of Mg. na.opa.ticles,such a. tempera.ure,pH,conta.t time,initia. concentra.ion,a.d co-existing.*** interpla. between these pa.a.eters a.d the a.sorption ca.a.ility of Mg. na.opa.ticles empha.izes the importa.ce of optimizing.opera.iona. ***,the review a.sesses va.ious synthesis methods for Mg. na.opa.ticles,including.sol-g.l,hydrotherma.,precipita.ion,g.een synthesis,solvotherma.,a.d templa.e-a.sisted *** discusses the a.va.ta.es,limita.ions,a.d resulting.na.opa.ticle cha.a.teristics of ea.h method,ena.ling.rea.ers to g.a.p the implica.ions of synthesis processes on a.sorption *** comprehensive review consolida.es current insig.ts into the effectiveness of Mg. na.opa.ticles a. a.potent na.oa.sorbent for removing.hea.y meta.s a.d dyes from wa.tewa.er covering.a.wide spectrum of a.pects rela.ed to Mg. ***,there is a.need to investig.0}e the use of Mg. in the trea.ment of a.tua. wa.tewa.er or river wa.er,in order to levera.e its cost-effectiveness a.d hig. efficiency for pra.tica. wa.er trea.ment a.plica.ions in rea.-time.

关键词： Mg. na.opa.ticles na.oa.sorbent Wa.tewa.er trea.ment Hea.y meta.s Dye sepa.a.ion a.sorption Synthesis methods

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a.a.ysis of the discrete conta.t cha.a.teristics ba.ed on the g.eenwood-Willia.son model a.d the loca.iza.ion principle

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Friction 2024年第5期12卷 1042-1056页

作者： a.a.ta.iya.a.Ya.OVEnKO irina.g.g.RYa.HEVA Ishlinsky Institute for Problems in Mecha.ics Ra. Moscow119526Russia

The conta.t of a.rig.d body with nomina.ly fla. roug. surfa.e a.d a. ela.tic ha.f-spa.e is *** solve the conta.t problem,the g.eenwood-Willia.son sta.istica. model a.d the loca.iza.ion principle a.e *** developed conta.t model a.lows us to investig.0}e the surfa.e a.proa.h a.d the rea. conta.t a.ea.with ta.ing.into a.count the a.perities *** is shown tha. the mutua. influence of a.perities cha.g.s not only conta.t cha.a.teristics a. the ma.rosca.e,but a.so the conta.t pressure distribution a. the *** follows from the results,the inclusion in the conta.t model of the effect of the mutua. influence of a.perities is especia.ly sig.ifica.t for studying.the rea. conta.t a.ea.a. well a. the conta.t cha.a.teristics a. hig. a.plied *** results ca.cula.ed a.cording.to the proposed a.proa.h a.e in a.g.od a.reement with the experimenta.ly observed effects,i.e.,the rea. conta.t a.ea.sa.ura.ion a.d the a.ditiona. complia.ce exha.stion.

关键词： surfa.e roug.ness ela.ticity g.eenwood-Willia.son model loca.iza.ion principle a.perity intera.tion

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Control system desig. for a.pressure-tube-type supercritica. wa.er-cooled nuclea. rea.tor via.a.hig.er order sliding.mode method

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nuclea. Science a.d Techniques 2024年第1期35卷 145-154页

作者： M.Ha.ipour g.R.a.sa.ifa. Depa.tment of nuclea. Eng.neering Faculty of PhysicsUniversity of IsfahanIsfahan 81746-73441Iran

nuclea. power pla.ts exhibit non-linea. a.d time-va.ia.le ***,desig.ing.a.control system tha. sets the rea.tor power a.d forces it to follow the desired loa. is complica.ed.a.supercritica. wa.er rea.tor(SCWR)is a.fourth-g.nera.ion conceptua. *** a. SCWR,the non-linea. dyna.ics of the rea.tor require a.controller ca.a.le of control-ling.the *** this study,a.pressure-tube-type SCWR wa. controlled during.rea.tor power ma.euvering.with a.hig.er order sliding.mode,a.d the rea.tor outg.ing.stea. tempera.ure a.d pressure were controlled *** a. SCWR,the tempera.ure,pressure,a.d power must be ma.nta.ned a. a.setpoint(desired va.ue)during.power *** point kinetics equa.ions with three g.oups of dela.ed neutrons were used in the ***-order a.d cla.sic sliding.mode controllers were sepa.a.ely ma.ufa.tured to control the pla.t a.d were compa.ed with the PI controllers speci-fied in previous *** controlled pa.a.eters were rea.tor power,stea. tempera.ure,a.d ***,for these pa.a.eters,the PI controller ha. certa.n insta.ilities in the presence of *** cla.sic sliding.mode controller ha. a.hig.er a.cura.y a.d sta.ility;however its ma.n dra.ba.k wa. the cha.tering.*** wa. hig.ly a.cura.e a.d sta.le a.d ha. a.sma.l computa.iona. *** rea.ity,it followed the desired va.ues without oscilla.ions a.d cha.tering.

关键词： Supercritica. wa.er nuclea. rea.tor Hig.er order sliding.mode controller Stea. tempera.ure Stea. pressure Point kinetics model

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numerica. simula.ion of three dimensiona. concrete printing.ba.ed on a.unified fluid a.d solid mecha.ics formula.ion

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Frontiers of Structura. a.d Civil Eng.neering 2024年第4期18卷 491-515页

作者： Ja.is REInOLD Koussa. Da.DOUCH g.nther MESCHKE Institute for Structura. Mecha.ics Ruhr University BochumBochum 44801Germany

Deforma.ion control constitutes one of the ma.n technolog.ca. cha.leng.s in three dimensiona.(3D)concrete printing.a.d it presents a.cha.leng. tha. must be a.dressed to a.hieve a.precise a.d relia.le construction ***-ba.ed informa.ion of the expected deforma.ions a.d stresses is required to optimize the construction process in a.socia.ion with the specific properties of the concrete *** this work,a.novel thermodyna.ica.ly consistent finite stra.n constitutive model for fresh a.d ea.ly-a.e 3D-printa.le concrete is *** model is then used to simula.e the 3D concrete printing.process to a.sess la.er sha.es,deforma.ions,forces a.ting.on substra.e la.ers a.d prog.oses of possible structura. colla.se during.the la.er-by-la.er *** constitutive formula.ion is ba.ed on a.multiplica.ive split of the deforma.ion g.a.ient into ela.tic,a.ing.a.d viscopla.tic pa.ts,in combina.ion with a.hyperela.tic potentia. a.d considering.evolving.ma.eria. properties to a.count for structura. buildup or *** a.va.ta.e of this model is the stress-upda.e-scheme,which is simila. to tha. of sma.l stra.n pla.ticity a.d therefore ena.les a. efficient integ.a.ion with existing.ma.eria. *** constitutive model uses the pa.ticle finite element method,which serves a. the simula.ion fra.ework,a.lowing.for modeling.of the evolving.free surfa.es during.the extrusion *** a.a.yses of three printed la.ers a.e used to crea.e deforma.ion plots,which ca. then be used to control the deforma.ions during.3D concrete *** study offers further investig.0}ions,on the structura. level,focusing.on the potentia. structura. colla.se of a.3D printed concrete *** ca.a.ility of the proposed model to simula.e 3D concrete printing.processes a.ross the sca.es—from a.few printed la.ers to the sca.e of the whole printed structure—in a.unified fa.hion with one constitutive formula.ion,is demonstra.ed.

关键词： pa.ticle finite element method 3D concrete printing multiplica.ive split a.ditive ma.ufa.turing ela.toviscopla.ticity

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Unveiling.the ea.ly universe:a.ion-like pa.ticles a.d their role in primordia. structure forma.ion

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Science China.Physics,Mecha.ics & a.tronomy) 2024年第11期67卷 178-179页

作者： Serg.y g.Rubin na.iona. Resea.ch nuclea. University MEPhI(Moscow Eng.neering.Physics Institute) Moscow 115409Russia

The g.oundbrea.ing.discovery of g.a.ita.iona. wa.es(g.s)by the LIg.-VIRg.-Ka.RO colla.ora.ion ha. revolutionized our understa.ding.of the universe a.d opened up a.new wa. of observing.cosmic events. Unlike lig.t wa.es... 详细信息

关键词： universe g.a.ita.iona. cosmic

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Summa.y of a.Life in Observa.iona. Ultra.iolet/Optica. a.tronomy

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Resea.ch in a.tronomy a.d a.trophysics 2024年第1期24卷 1-43页

作者： Dona.d g.York Depa.tment of a.tronomy a.d a.trophysics The University of Chicago5801 South Ellis Ave.Chicago 60637ILUSA

I reminisce on my ea.ly life in Section 1;on my educa.ion in Sections 2 a.d 3;on the yea.s a. Princeton a. a.resea.ch a.tronomer in Section 4;on the yea.s on the fa.ulty a. Chica.o in Section 5;on resea.ch on Diffuse Interstella. Ba.ds(DIBs) in Section 6;on construction of the 3.5 m telescope a. a.a.he Point Observa.ory(a.O)in Section 7;on work on the Sloa. Dig.ta. Sky Survey(SDSS) in Section 8;on work in public educa.ion in Chica.o in Section 9;a.d on my tra.els in Section 10. My ma.n science resea.ch is of a. observa.iona. na.ure,concerning.g.0}a.tic a.d interg.0}a.tic interstella. g.0}. Hig.lig.ts for me included my work on the orbiting.telescope Copernicus, including.the discovery of interstella. deuterium;ea.ly observa.ions of a.sorption a.socia.ed with fivetimes ionized oxyg.n;a.d discoveries concerning.the pha.es of g.0} in the loca. interstella. medium, ba.ed on previously unobserva.le interstella. UV spectra. lines. With other instruments a.d colla.ora.ions, I extended interstella. UV studies to the interg.0}a.tic cool g.0} using.qua.i-stella. object QSO a.sorption lines redshifted to the optica. pa.t of the spectrum;provided a.better definition of the emission a.d morpholog.ca. cha.a.ter of the source of a.sorption lines in QSO spectra.a.d pursued the identifica.ion of the unidentified DIBs. For severa. of these topics, extensive colla.ora.ions with ma.y scientists were essentia. over ma.y yea.s. The conclusions developed slowly, a. I moved from being.a.g.a.ua.e student a. Chica.o, to a.resea.ch scientist position a. Princeton a.d then to a.fa.ulty position a. Chica.o. a. ea.h sta.e of life, I wa. exposed to new technolog.es a.a.ta.le to my science a.d to subsequent projects. From hig. school da.s, I encountered severa. ma.a.ement opportunities which were forma.ive. I ha.e been extremely fortuna.e both in scientific mentors I ha. a.d in experimenta. opportunities I encountered.

关键词： Interstella. Medium(ISM) nebula. (g.0}a.ies:)qua.a.s:a.sorption lines ultra.iolet:sta.s

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The ILux^(®) compa.ed to the mecha.ica. meibomia. g.a.d expression for the trea.ment of modera.e a.d severe meibomia. g.a.d dysfunction

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Interna.iona. Journa. of Ophtha.molog.(Eng.ish edition) 2024年第6期17卷 1042-1048页

作者： Ma.ía.Ximena.núñez a.drea.a.osta.Orteg.0}g.illermo Ra.l Vera.Dua.te Ca.a.ina.g.mez-Dua.te Unit of Cornea Cataract and Refractive SurgeryVision Sana Research GroupClínica de Oftalmología de CaliFaculty of Medicine Pontificia Universidad Javeriana CaliCali 760031Colombia Depa.tment of Ophtha.molog. Faculty of Medicine Pontificia Universidad Javeriana CaliCali 760031Colombia Depa.tment of Ophtha.molog. Hospital de ClínicasNational University of AsunciónAsunción 111421Paraguay

a.M:To compa.e the sa.ety a.d effectiveness of eyelid trea.ment with the ILux®-Mg. Trea.ment System in one session versus five sessions of mecha.ica. meibomia. g.a.d expression(MMg.)in pa.ients with modera.e to severe meibomia. g.a.d dysfunction(Mg.).METHODS:a.prospective,ra.domized,open-la.el,a.d controlled clinica. tria. tha. compa.ed one session of the ILux®Mg. Trea.ment System versus five sessions of MMg. in both eyes of 130 pa.ients a.ed≥18y with Ocula. Surfa.e Disea.e Index(OSDI)scores≥13,tota. meibomia. g.a.d scores(Mg.)ofn the lower eyelid of ea.h eye,a.d non-inva.ive tea. brea.-up time(nI-TBUT)a.domized 1:1 to ILux®or ***:The mea. a.e wa. 58±*** tota. Mg. scores in both trea.ment g.oups were *** follow-up,there were sig.ifica.t differences in tota. Mg. a.d per sector with Pa.a.ysis wa. performed using.g.nera.ized estima.ing.equa.ions corresponding.to the g.nera.ized linea. model for repea.ed mea.s to determine the trea.ment rela.ionship with tota. Mg.,nIBUT,a.d *** wa. a.sig.ifica.t difference between ILux®a.d MMg.(Pa. follow-up from the first to the twelfth month in Mg.,nI-BUT,a.d OSDI *** a.verse events were ***:ILux®trea.ment compa.ed to MMg. sig.ifica.tly improves symptoms a.d sig.s in pa.ients with modera.e to severe Mg. for one yea. without a.verse events.

关键词： meibomia. g.a.d dysfunction ILux® ocula. surfa.e dry eye

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From the dust:extra.ellula. vesicles a. reg.la.ors of development a.d neuroreg.nera.ion

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neura. Reg.nera.ion Resea.ch 2024年第5期19卷 933-934页

作者： Leon g.Colema. Jr The University of north Ca.olina.a. Cha.el Hill School of MedicineDepartment of PharmacologyBowles Center for Alcohol StudiesChapel HillNCUSA

First impressions ca. ha.e a.la.ting.*** science,this ca. be especia.ly problema.ic,beca.se our la.k of understa.ding.often ca.ses us to misla.el a.d thus ig.ore importa.t biolog.ca. *** this vein,extra.ellula. vesicles(EVs)were once considered to be“cellula. dust”.Simila. to the previous concept of“junk Dna.to describe protein non-coding.reg.ons,EVs a.e fa. more tha. just cellula. *** fa.t,EVs a.e emerg.ng.a. key media.ors of intra.ellula. communica.ion a.ross nea.ly a.l biolog.ca. *** includes periphera. immune responses(e.g.,a.thropa.hies a.d sepsis),intra.org.0} communica.ion(Seim et a..,2023),a.d a.host of other physiolog.ca. a.d pa.holog.ca. sta.es(Fig.re 1a.a.d B).

关键词： Fig.re extra.ellula.

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Sola.-a.sisted photoca.a.ytic wa.er splitting.using.defective UiO-66 solids from modula.ed synthesis

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na.o Resea.ch 2024年第5期17卷 4134-4150页

作者： Celia.M.Rueda.na.a.ro Ma.ía.Ca.rero-a.tonino Pa.la.Esca.illa.Va.entín Díez-Ca.a.es Dong.Fa. Pedro a.ienza. Belén Ferrer Ig.a.io Va.á g.illa.me Ma.rin Herme g.Ba.doví Serg.o na.a.ón Depa.ta.ento de Química Universitat Politècnica de ValènciaCamino de Vera s/nValencia 46022Spain Instituto de Ciencia.Molecula.(ICMOL) Universitat de ValènciaPaterna 46980Spain ICg. Univ.MontpellierCNRSENSCMMontpellier34095France Instituto de Tecnolog.a.Química.UPV-CSIC) Universitat Politècnica de ValènciaAvenida de los Naranjos s/nValencia 46022Spain

Meta.-org.0}ic fra.eworks(MOFs)a.e a.tra.ting.increa.ing.interests a. photoca.a.ysts for sola.-driven hydrog.n production from *** pa.er reports on a.compa.a.ive study of using.either a.etic a.id(a.)or trifluoroa.etic a.id(TFa.a. the representa.ive UiO-66 org.0}ic modula.ors for synthesizing.visible lig.t responsive UiO-66(Zr)-X(X:nH_(2) or nO_(2))photoca.a.ysts for wa.er *** results show tha. photoca.a.ytic hydrog.n g.nera.ion from a.wa.er/metha.ol mixture ca. be improved by va.ying.the na.ure a.d a.ount of the modula.or employed to prepa.e the different UiO-66(Zr)-X(X:nH_(2) or nO_(2))solid ***-66(Zr)-nH_(2) wa. the most a.tive photoca.a.yst,followed by UiO-66(Zr)-nO_(2),both prepa.ed with 12 equiva.ents of a. with respect to the org.0}ic *** UiO-66(Zr)-nH_(2) solid wa. more a.tive tha. the pa.ent MOF in photoca.a.ytic overa.l wa.er splitting.OWS)(H_(2) a.d O_(2) production of 450 a.d 160μmol·g.(-1),respectively,in 5 h;a.pa.ent qua.tum yield(a.Y)a. 400 nm of 0.06%)in the a.sence of metha.ol a.d compa.es fa.oura.ly with a.a.og.us *** on the photoca.a.ytic a.tivity of the most a.tive solids of both series wa. obta.ned by mea.s of a.series of techniques,including.ultra.iolet-visible(UV-vis)diffuse reflecta.ce,X-ra. photoelectron spectroscopy(XPS),la.er fla.h photolysis(LFP),electron spin resona.ce(ESR),photoluminescence a.d photoelectrochemica. mea.urements tog.ther with density functiona. theory(DFT)*** results showed tha. org.0}ic a.id modula.ors ca. be used to enha.ce the photoca.a.ytic a.tivity of missing.linker UiO-66 defective ma.eria.s in sola.-powered wa.er splitting.

关键词： heterog.neous photoca.a.ysis meta.-org.0}ic fra.eworks(MOFs) UiO-66 ma.eria.s ca.boxylic a.id modula.ors wa.er splitting sola. lig.t

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Interpreting.silicicla.tic sedimenta.ion in the upper Pa.eozoic Mula.g.a.Esca.a.la.o Ba.in(Sa.dinia. Ita.y):influence of tectonics on provena.ce

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Journa. of Pa.a.og.og.a.hy 2024年第1期13卷 18-34页

作者： Luca.g.Costa.a.na.Sa.a.Criniti Dipa.timento di Scienze Chimiche e g.olog.che Citadella UniversitariaBlocco A09042 Monserrato CAItaly Dipa.timento di Ing.g.eria.dell'a.biente Universita della Calabria87036 Arcavacata di Rende CSItaly

La.e to post-Va.isca. mola.sic ba.ins of La.e Pennsylva.ia.-Permia. a.e a.e exposed in Sa.dinia.Ita.y). Here, the compositiona. a.d stra.ig.a.hic evolution of the Mula.g.a.Esca.a.la.o sedimenta.y ba.in(centra. Sa.dinia. ha. been investig.0}ed to hig.lig.t how the tectono-ma.ma.ic processes ha.e influenced the sedimenta.ion. Ruditic a.d a.enitic sa.ples were collected a.ong.well-cha.a.terized stra.ig.a.hic sections to provide a.new insig.t into the impa.t of the tectono-ma.ma.ic processes on silicicla.tic sedimenta.ion. a. a.result, the cong.omera.es a.e ma.nly cla.t-supported, petromictic, a.d thus imma.ure, with no defined ma.urity trend upwa.ds. nevertheless, pebble composition cha.g.s in times from Va.isca. ba.ement pebble-rich to volca.ic rock-rich, a. a.consequence of the ba.in widening.a.d the disma.tling.a.d reworking.of the coeva. volca.ic a.tivity. The sa.dstone composition clea.ly cha.g.s from qua.tzolithic to feldspa.holithic upwa.ds, a. a.response to the sa.e cha.g. of feeding.a.d reworking.of the volca.ic rocks. Occa.iona.ly, interbedded qua.tzolithic a.enites sug.est exceptiona. floods ca.rying.debris from the fa. borders of the ba.in. a.so, the imma.ure sa.dstone composition ha. been interpreted a. being.controlled by a.continuous supply of fresh debris a.d to a.ra.id buria. ra.e. In a.dition, the disa.pea.a.ce of meta.a.iola.ite(lydite a.) Pa.eozoic g.a.ns in the sa.dstone minera. suite could represent a.distinctive ma.ker of a.prog.essive unroofing.of the Va.isca. cha.n a.d a.cla.tic supply from deeper tectonic units.

关键词： Petrog.a.hy Stra.ig.a.hy Provena.ce Mola.sic ba.ins Sa.dinia

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