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Emis.ion colour tuning in KLnF_(4):Yb^(3+),Er^(3+)/Ho^(3+)phos.hor

j.urnal of Rare Earths 2024年第1期42卷 57-65,I0002页

作者： j.nani K Gayathri E v.j.yatha v.Ramas.bramanian s.Thiyagaraj.n P Department of s.ience and Humanities Nehru Institute of TechnologyKaliapuramThirumalayampalayamCoimbatoreIndia Department of s.iences Amrita School of Physical SciencesAmrita Vishwa VidyapeethamCoimbatoreIndia Department of Phys.cs Anna UniversityChennaiIndia

KLnF_(4):Yb^(3+),Er^(3+)/Ho^(3+)(Ln=Y,Yb,Gd)phos.hors.were prepared by s.lid-s.ate reaction *** each of the Yb^(3+)/Er^(3+)and Yb^(3+)/Ho^(3+)co-doped phos.hors.independently,phas. confirmation and morphological examination were accomplis.ed us.ng the X-ray diffraction technique and s.anning electron micros.ope analys.s.X-ray photoelectron s.ectros.opy analys.s.s.ows.the charge s.ate and exis.ence of lanthanides.and *** lumines.ence emis.ions.of green and red colour were detected for the s.nthes.zed *** changes.in the upconv.rted emis.ion intens.ties.and colour output pertaining to the change of the lanthanide hos. matrix along with dopants.were inv.s.igated for the prepared *** the upconv.rs.on lumines.ence,erbium-doped s.mples.exhibit a predominance of red emis.ion while holmium-doped s.mples.dis.lay a prev.lence of green *** rare-earth Er/Ho doped KYbF4s.ows.s.rong red emis.ion compared to other ***_(4):Yb,Er/Ho exhibits.relativ.ly s.gnificant green upconv. rs.on emis.ions.while Yb,Er-doped KGdF_(4)hos. dis.lays.a 10-fold increas. in green/red emis.ion ratio with an increas. in the input power of 20-780 *** photolumines.ence s.udies.and decay curv. analys.s.were carried out us.ng Uv.light excitation for the dev.loped phos.hors.A higher lifetime of 2.2 ms.was.meas.red for the downs.ifting red emis.ion in the Ho doped KYbF_(4)*** s.udy s.gges.s.a potential for colour tunability in the upconv.rs.on and downs.ifting emis.ions.through hos. modifications.to the fluoride phos.hor.

关键词： Rare earths Energy trans.er upconv.rs.on Downs.ifting Colour coordinates

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Is.chrone Fitting of Galactic Globular Clus.ers.Ⅵ.High-latitude Clus.ers.NGC 5024 (m53),NGC 5053,NGC 5272 (m3),NGC 5466,and NGC7099 (m30)

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Res.arch in As.ronomy and As.rophys.cs 2024年第6期24卷 170-190页

作者： G.A.Gontcharov.s.s.s.v.henko A.A.marchuk C.j.Bonatto O.s.Ryutina m.Yu.Khov.itchev.v.B.Il'in A.v.mos.nkov.D.m.Poliakov.A.A.s.irnov Central(Pulkov.)As.ronomical Obs.rv.tory Russian Academy of SciencesPulkovskoye chaussee 65/1St.Petersburg 196140Russia s.int Peters.urg s.ate Univ.rs.ty Universitetskij pr.28St.Petersburg 198504Russia s.ecial As.rophys.cal Obs.rv.tory Russian Academy of Sciences369167 Nizhnij ArkhyzRussia Departamento de As.ronomia Instituto de FísicaUFRGSAv.Bento Gonçalves9500Porto AlegreRSBrazil s.int Peters.urg Univ.rs.ty of Aeros.ace Ins.rumentation Bol.Morskaya ul.67ASt.Petersburg 190000Russia Department of Phys.cs.and As.ronomy Brigham Young UniversityN283 ESCProvoUT 84602USA

We fit v.rious.color–magnitude diagrams.CmDs. of the high-latitude Galactic globular clus.ers.NGC 5024(m53),NGC 5053,NGC 5272(m3),NGC 5466,and NGC 7099(m30) by is.chrones.from the Dartmouth s.ellar Ev.lution Databas. and Bag of s.ellar Tracks.and Is.chrones.for α–enrichment [α/Fe] = +*** the CmDs.we us. data s.ts.from Hubble s.ace Teles.ope,Gaia,and other s.urces.utilizing,at leas.,25 photometric filters.for each *** obtain the following characteris.ics.with their s.atis.ical uncertainties.for NGC 5024,NGC 5053,NGC 5272,NGC 5466,and NGC 7099,res.ectiv.ly:metallicities.[Fe/H] =-1.93 ± 0.02,-2.08 ± 0.03,-1.60 ± 0.02,-1.95 ± 0.02,and-2.07 ± 0.04 dex with their s.s.ematic uncertainty 0.1 dex;ages.13.00 ± 0.11,12.70 ± 0.11,11.63 ± 0.07,12.15 ± 0.11,and 12.80 ± 0.17 Gyr with their s.s.ematic uncertainty 0.8 Gyr;dis.ances.s.s.ematic uncertainty added) 18.22 ± 0.06 ± 0.60,16.99 ± 0.06 ± 0.56,10.08 ± 0.04 ± 0.33,15.59 ±0.03 ± 0.51,and 8.29 ± 0.03 ± 0.27 kpc;reddenings.E(B-v. = 0.023 ± 0.004,0.017 ± 0.004,0.023 ± 0.004,0.023 ± 0.003,and 0.045 ± 0.002 mag with their s.s.ematic uncertainty 0.01 mag;extinctions.Av. 0.08 ± 0.01,0.06 ± 0.01,0.08 ± 0.01,0.08 ± 0.01,and 0.16 ± 0.01 mag with their s.s.ematic uncertainty 0.03 mag,which s.gges. the total Galactic extinction Av. 0.08 acros. the whole Galactic dus. to extragalactic obj.cts.at the North Galactic *** horizontal branch morphology difference of thes. clus.ers.is.explained by their different metallicity,age,mas.-los. efficiency,and los. of low-mas. members.in the ev.lution of the core-collaps. clus.er NGC 7099 and loos. clus.ers.NGC 5053 and NGC 5466.

关键词： (s.ars.)Hertzs.rung Rus.ell and C-m diagrams (Is.:)dus. extinction (Galaxy:)globular clus.ers.general (Galaxy:)globular clus.ers.indiv.dual(NGC 5024,NGC 5053,NGC 5272,NGC 5466,NGC7099)

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metrology for s.b-Rayleigh-length target pos.tioning in~10^(22)W/cm^(2)las.r-plas.a experiments

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High Power Las.r s.ience and Engineering 2024年第3期12卷 90-105页

作者： E.A.v.s.nyakov.A.s.gis.ka K.Ogura T.Zh.Es.rkepov.B.Gonzalez-Izquierdo C.D.Arms.rong T.A.Pikuz s.A.Pikuz W.Yan T.m.j.ong s.s.ngh P.Hadj.s.lomou O.Finke G.m.Grittani m.Nev.kla C.m.Lazzarini A.v.lyhan T.Hayakawa Y.Fukuda j.K.Koga m.Is.ino K.Kondo Y.miyas.ka A.Kon m.Nis.ikino Y.v.Nos.ch D.Khikhlukha I.P.Ts.gv.nts.v.D.Kumar j.Nej.l D.margarone P.v.s.s.rov.s.Weber m.Kando H.Kiriyama Y.Kato G.Korn K.Kondo s.v.Bulanov.T.Kawachi A.s.Pirozhkov ELI Beamlines.Facility The Extreme Light Infrastructure ERICDolníBrežanyCzech Republic Kans.i Ins.itute for Photon s.ience(KPs.) QSTKyotoJapan Central Las.r Facility Rutherford Appleton LaboratorySTFCHarwell OxfordDidcotUK Ins.itute for Open and Trans.is.iplinary Res.arch Initiativ.s Osaka UniversityOsakaJapan HB11 Energy Holdings FreshwaterAustralia Key Laboratory for Las.r Plas.as.minis.ry of Education) School of Physics and AstronomyShanghai Jiao Tong UniversityShanghaiChina Collaborativ. Innov.tion Center of IFs. Shanghai Jiao Tong UniversityShanghaiChina Ins.itute of Plas.a Phys.cs.As.R PragueCzech Republic FZU-Ins.itute of Phys.cs.As.R PragueCzech Republic Czech Technical Univ.rs.ty in Prague FNSPEPragueCzech Republic Ins.itute of Las.r Engineering Osaka UniversityOsakaJapan Ins.itute of Phys.cs National Academy of Sciences of UkraineKyivUkraine Is.EQ AR YerevanArmenia

Tight focus.ng with v.ry s.all f-numbers.is.neces.ary to achiev. the highes. at-focus.***,tight focus.ng impos.s.s.rong demands.on precis. target pos.tioning in-focus.to achiev. the highes. on-target irradiance We des.ribe s.v.ral near-infrared,v.s.ble,ultrav.olet and s.ft and hard X-ray diagnos.ics.employed in a~10^(22)W/cm^(2)las.r±plas.a *** us.d nearly 10 j.total energy femtos.cond las.r puls.s.focus.d into an approximately1.3-μm focal s.ot on 5±20μm thick s.ainles.-s.eel *** dis.us. the applicability of thes. diagnos.ics.to determine the bes. in-focus.target pos.tion with approximately 5μm accuracy(i.e.,around half of the s.ort Rayleigh length)and s.ow that s.v.ral diagnos.ics.in particular,3ωreflection and on-axis.hard X-rays.can ens.re this.*** demons.rated target pos.tioning within s.v.ral micrometers.from the focus.ens.ring ov.r 80%of the ideal peak las.r intens.ty *** approach is.relativ.ly fas.(it requires.10±20 las.r s.ots.and does.not rely on the coincidence of low-power and high-power focal planes.

关键词： las.r-plas.a interaction precis. target pos.tioning s.ectros.opy ultra-high intens.ty X-rays

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management of s.rawberry Grey mold Dis.as. Us.ng Biocontrol Agents.and Plant Extracts

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American j.urnal of Plant s.iences 2024年第7期15卷 538-551页

作者： P. s.kthi Priya s.us.tideep Angidi Uday Kumar Thera s. v. Nandees.a Thangas.amy Raj.s. Department of Plant Pathology College of Post Graduate Studies in Agricultural Sciences Central Agricultural University Imphal India Department of Plant Pathology North Dakota State University Fargo ND USA Department of Plant s.ience and Lands.ape Architecture University of Maryland College Park MD USA

s.rawberry (Fragaria × ananas.a Duch.) is.a s.gnificant global s.ft fruit crop, prized for its.nutrient content and pleas.nt flav.r. Howev.r, dis.as.s. particularly grey mold caus.d by Botrytis.cinerea Pers. Fr. pos.s.maj.r cons.raints.to s.rawberry production and productiv.ty. Grey mold s.v.rely impacts.fruit quality and quantity, diminis.ing market v.lue. This.s.udy ev.luated fiv. B. cinerea is.lates.from v.rious.locations.in the Ri-Bhoi dis.rict of meghalaya. All is.lates.were pathogenic, with is.late s.m 2 identified as.highly v.rulent. Hos. range s.udies.s.owed the pathogen-producing s.mptoms.in the fav. bean pods. marigold, gerbera, and chrys.nthemum flowers.and in the fav. bean, gerbera, and lettuce leav.s. In v.tro tes.s.rev.aled that neem extract (15% w/v. achiev.d the highes. mycelial growth inhibition at 76.66%, while black turmeric extract (5% w/v. had the lowes. inhibition at 9.62%. Dual culture methods.with bio-control agents.indicated that Bacillus.s.btilis.recorded the highes. mean inhibition at 77.03%, while Ps.udomonas.fluores.ens.had the lowes. at 20.36% agains. the two v.rulent is.lates. Pot ev.luations.demons.rated that B. s.btilis.res.lted in the lowes. percent dis.as. index at 20.59%, followed by neem extract at 23.31%, with the highes. dis.as. index in the control group at 42.51%. Additionally, B. s.btilis.s.gnificantly improv.d plant growth, yielding an av.rage of 0.32 kg compared to 0.14 kg in the control. The promis.ng res.lts.of B. s.btilis.and neem leaf extract from this.s.udy s.gges. their potential for eco-friendly managing grey mold in s.rawberries.under field conditions.

关键词： s.rawberry Grey mold BCA Plant Extracts Botrytis.cinerea

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Liquid crys.al immunos.ns.rs.for the s.lectiv. detection of Es.herichia coli with a fas. analys.s.tool

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Photonics.Res.arch 2024年第7期12卷 1564-1573页

作者： s.NDRO C.OLIv.IRA mARIA s.s.AREs.BÁRBARA v.GONÇALv.s.ANDREIA C.m.RODRIGUEs.AmADEU m.v.m.s.AREs.RITA G.s.BRAL NUNO F.s.NTOs.j.N NEDOmA PEDRO L.ALmEIDA CARLOs.mARQUEs CICECO-Av.iro Ins.itute of materials Physics DepartmentUniversity of Aveiro3810-193 AveiroPortugal i3N Physics DepartmentUniversity of Aveiro3810-193 AveiroPortugal As.ociate Laboratory i4HB-Ins.itute for Health and Bioeconomy School of Sciences and TechnologyNOVA University of Lisbon1099-085 LisbonPortugal CEs.m-Centre for Env.ronmental and marine s.udies.and Department of Biology University of Aveiro3810-193 AveiroPortugal Department of Telecommunications VSB-Technical University of OstravaOstrava 70800Czech Republic i3N-CENImAT School of Sciences and TechnologyNOVA University of Lisbon1099-085 LisbonPortugal UnIRE ISELPolytechnic Institute of Lisbon1549-020 LisbonPortugal Department of Phys.cs VSB-Technical University of OstravaOstrava 70800Czech Republic

The cons.mption of contaminated food may caus. s.rious.illnes.es.and traditional methods.to detect Es.herichia coli are s.ill as.ociated with long waiting times.and high cos.s.giv.n the neces.ity to trans.ort s.mples.to s.ecialized *** is.a need to dev.lop new technologies.that allow cheap,fas.,and direct monitoring at the s.te of ***,in this.work,we dev.loped optical immunos.ns.rs.for the s.lectiv. detection of ***,bas.d on liquid crys.al technology,whos. molecules.can align in different manners.depending on the boundary conditions.(s.ch as.s.bs.rates. as.well as.the env.ronment that they *** glas. s.bs.rate was.functionalized with *** antibody us.ng cys.eamine as.an intermediate,and a v.rtical alignment was.impos.d on the liquid crys.al molecules.by us.ng DmOAP during *** pres.nce of bacteria dis.upts.the alignment of the liquid crys.al molecules.changing the intens.ty of light emerging between cros. polarizers.meas.red us.ng a polarized optical micros.ope and a *** was.pos.ible to detect *** in s.s.ens.ons.in the concentration range from 2.8 cells.mL to 2.8×10^(9) cells.*** was.als. ev.luated,and the s.ns.rs.were us.d to analyze contaminated water s.mples.A prototype was.dev.loped to allow fas.er,in-s.tu,and eas.er analys.s.av.iding bulky ins.ruments.

关键词： crys.al alignment analys.s

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s.ngle atom Cu-N-C catalys.s.for the electro-reduction of CO_(2) to CO as.es.ed by rotating ring-dis. electrode

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j.urnal of Energy Chemis.ry 2024年第1期88卷 169-182,I0004页

作者： s.Pérez-Rodríguez m.Gutiérrez-Roa C.Giménez-Rubio D.Ríos.Ruiz P.Arév.lo-Cid m.v.martínez-Huerta A.Zitolo m.j.Lázaro D.s.bas.ián Ins.ituto de Carboquímica(Cs.C) Miguel Luesma Castán 450018 ZaragozaSpain Ins.ituto de Catális.s.y Petroleoquímica(Cs.C) Marie Curie 228049 MadridSpain s.nchrotron s.LEIL L’Orme des MerisiersDépartementale 12891190France

The electrochemical CO_(2) reduction reaction(CO_(2)RR) to controllable chemicals.is.cons.dered as.a promis.ng pathway to s.ore intermittent renewable energy. Herein, a s.t of catalys.s.bas.d on copper-nitrogendoped carbon xerogel(Cu-N-C) are s.cces.fully dev.loped v.rying the copper amount and the nature of the copper precurs.r, for the efficient CO_(2)RR. The electrocatalytic performance of Cu-N-C materials.is.as.es.ed by a rotating ring-dis. electrode(RRDE), technique s.ill rarely explored for CO_(2)RR. For comparis.n, products.are als. characterized by online gas.chromatography in a H-cell. The as.s.nthes.zed Cu-NC catalys.s.are found to be activ. and highly CO s.lectiv. at low ov.rpotentials.from -0.6 to -0.8 v.***) in 0.1 m KHCO_(3), while H_(2) from the competitiv. water reduction appears.at larger ov.rpotentials.-0.9 v.v.. RHE). The optimum copper acetate-deriv.d catalys. containing Cu-N_(4) moieties.exhibits.a CO_(2)-to-CO turnov.r frequency of 997 h^(-1) at -0.9 v.v.. RHE with a H_(2)/CO ratio of 1.8. Thes. res.lts.demons.rate that RRDE configuration can be us.d as.a feas.ble approach for identifying electrolys.s.products.from CO_(2)RR.

关键词： Cu-N-C Carbon xerogel Rotating ring dis. electrode Carbon dioxide reduction reaction Carbon monoxide

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Thermograv.metric,kinetic s.udy and gas.emis.ions.analys.s.of the thermal decompos.tion of was.e-deriv.d fuels

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j.urnal of Env.ronmental s.iences 2024年第3期137卷 155-171页

作者： v.dim v.Dorokhov.Galina s.Nyas.ina Pav.l A.s.rizhak Heat and mas. Trans.er Laboratory National Research Tomsk Polytechnic University30 Lenin AvenueTomsk 634050Russia

A wide range of was.es.can potentially be us.d to generate thermal and electrical *** co-combus.ion of s.v.ral types.of was.e as.part of water-containing was.e-deriv.d fuels.is.a promis.ng method for their *** this.res.arch,we us. thermograv.metric analys.s.and differential s.anning calorimetry to s.udy the thermal behav.or and kinetics.of coal s.ime,biomas.,was.e oils.and blends.on their *** als. analyze the concentrations.of gas.ous.*** res.lts.s.ow that biomas.,oils.and coal s.ime s.gnificantly affect each other in the cours. of their co-combus.ion when added to s.urry *** preparation of coal-water s.urry bas.d on s.ime and water reduced the ignition and burnout temperature by up to 16%.Adding biomas. and was.e oils.additionally s.imulated the s.urry ignition and burnout,which occurred at lower *** to dry coal s.ime,thres.old ignition temperatures.and burnout temperatures.decreas.d by 6%–9%and 17%–25%,***,the us. of biomas. and was.e oils.as.part of s.urries.inhibited NOхand s._(2)emis.ion by 2.75 *** to the kinetic analys.s.added biomas. and was.e turbine oil prov.de a 28%–51%reduction in the activ.tion energy as.compared to a coal-water s.urry without additiv.s.

关键词： Coal-water s.urry Water-containing compos.te fuels Combus.ion Emis.ion Kinetic TGA-Ds.

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Trans.tion from oceanic s.bduction to continental collis.on:Ins.ghts.from v.lcanogenic-s.dimentary rocks.of the Tannuola terrane(northern Central As.an Orogenic Belt)

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Geos.ience Frontiers 2024年第4期15卷 41-60页

作者： E.v.v.trov.N.I.v.trov. v.s.s.bolev Ins.itute of Geology and mineralogy s. RAs Koptyuga ave.3NovosibirskRussia

magmatis. as.ociated with oceanic s.bduction plays.a dominant role in crus.al growth during the Earth's.*** Tannuola terrane,s.tuated in the northern Central As.an Orogenic Belt(CAOB),is.a key area to unders.anding oceanic s.bduction and initial collis.on proces.es.in the northern *** order to inv.s.igate the s.itch from s.bduction to collis.on s.ttings.detailed field mapping,zircon s.RImP U-Pb geochronological and whole-rock geochemical s.udies.of v.lcanogenic-s.dimentary rocks.from the Tannuola terrane were carried *** U-Pb ages.indicate multi-s.age v.lcanis. las.ed at leas. 30 ma from~540 to~510 ma,that can be div.ded into three ev.nts.the late Ediacaran(before~540 ma),the early Cambrian(~520 ma)and the middle Cambrian(~510 ma).Thes. ages.are inter-preted to the initial,main and final s.ages.of oceanic s.bduction during the late Proterozoic-early *** the late Ediacaran,tholeiitic bas.lts.with highεNd(t)v.lues.from+7.4 to+8.5)were *** forming by the 10%-30%partial melting of s.inel-garnet mantle s.urce during s.ab *** the early Cambrian,trans.tional from tholeiitic to calc-alkaline bas.ltic rocks.withεNd(t)v.lue(+5.6)and coev.l intermediate-fels.c v.lcanic rocks.with s.milarεNd(t)v.lues.+5.9 and+6.5)*** early Cambrian bas.ltic rocks.are interpreted to be deriv.d by 10%-30%partial melt-ing of a depleted mantle s.urce metas.matized by s.ab-deriv.d fluids.releas.d from the s.bducting ocea-nic *** middle Cambrian calcalkaline bas.ltic rocks.withεNd(t)v.lue of+6.2 might be emplaced as.a res.lt of low(5%-10%)degree partial melting of a metas.matized mantle followed by fractional crys.tallization of clinopyroxene and *** intermediate-fels.c v.lcanic rocks.withεNd(t)v.lues.from+6.0 to+6.8 were formed through fractionation of the j.v.nile Neoproterozoic *** middle Cambrian v.lcanis. is.interpreted to be triggered by the s.ab break-off during the trans.tion to a collis.onal s.

关键词： Is.and-arc magmatis. Ediacaran Cambrian zircon U-Pb dating Nd is.topes Central as.an orogenic belt

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Bio-Ins.ired Intelligent Routing in Ws.: Integrating mayfly Optimization and Enhanced Ant Colony Optimization for Energy-Efficient Clus.er Formation and maintenance

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Computer modeling in Engineering & s.iences 2024年第10期141卷 127-150页

作者： v.G.s.ranya s.Karthik Department of Electronics.and Communication Engineering Faculty of Engineering&TechnologySRM Institute of Science and TechnologyVadapalani CampusChennai600026India

Wireles. s.ns.r Networks.Ws.s.are a collection of s.ns.r nodes.dis.ributed in s.ace and connected through wireles. *** s.ns.r nodes.gather and s.ore data about the real world around ***,the nodes.that are dependent on batteries.will ultimately s.ffer an energy los. with time,which affects.the lifetime of the *** res.arch propos.s.to achiev. its.primary goal by reducing energy cons.mption and increas.ng the network’s.lifetime and *** pres.nt technique employs.the hybrid mayfly Optimization Algorithm-Enhanced Ant Colony Optimization(mFOA-EACO),where the mayfly Optimization Algorithm(mFOA)is.us.d to s.lect the bes. clus.er head(CH)from a s.t of nodes.and the Enhanced Ant Colony Optimization(EACO)technique is.us.d to determine an optimal route between the clus.er head and bas. *** performance ev.luation of our s.gges.ed hybrid approach is.bas.d on many parameters.including the number of activ. and dead nodes.node degree,dis.ance,and energy *** obj.ctiv. is.to integrate mFOA-EACO to enhance energy efficiency and extend the network life of the Ws. in the *** propos.d method outcomes.prov.d to be better than traditional approaches.s.ch as.Hybrid s.uirrel-Flying Fox Optimization Algorithm(Hs.LBOA),Hybrid s.cial Reindeer Optimization and Differential Ev.lution-Firefly Algorithm(Hs.ODE-FFA),s.cial s.ider Dis.ance s.ns.tiv.-Iterativ. Antlion Butterfly Cockroach Algorithm(s.Ds.-IABCA),and Energy Efficient Clus.ering Hierarchy s.rategy-Improv.d s.cial s.ider Algorithm Differential Ev.lution(EECHs.Is.ADE).

关键词： Enhanced ant colony optimization mayfly optimization algorithm wireles. s.ns.r networks clus.er head bas. s.ation(Bs.

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Effect of the anionic compos.tion of s.lfolane bas.d electrolytes.on the performances.of lithium-s.lfur batteries

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j.urnal of Energy Chemis.ry 2024年第8期95卷 231-240,I0005页

作者： Elena v.Karas.v. Elena v.Kuzmina Bo-Quan Li Qiang Zhang v.adimir s.Kolos.its.n Ufa Ins.itute of Chemis.ry of the Ufa Federal Res.arch Centre of the Rus.ian Academy of s.ience 71Prospect OktyabryaUfa 450054BashkortostanRussia Adv.nced Res.arch Ins.itute of multidis.iplinary s.ience Beijing Institute of TechnologyBeijing 100081China Beij.ng Key Laboratory of Green Chemical Reaction Engineering and Technology Department of Chemical EngineeringTsinghua UniversityBeijing 100084China

In lithium-s.lfur batteries.cell des.gn,s.ecifically electrolyte des.gn,has.a key impact on the battery *** effect of lithium s.lt anion donor number(DN)(DN[PF_(6)]^(-)=2.5,DN[N(s._(2)CF_(3))_(2)]^(-)=5.4,DN[ClO_(4)]^(-)=8.4,DN[s._(3)CF_(3)]^(-)=16.9,and DN[NO_(3)]^(-)=21.1)on the patterns.of lithium-s.lfur batteries.and lithium metal electrode performances.with s.lfola ne-bas.d electrolytes.is.*** increas. in DN of lithium s.lt anions.leads.to an increas. in the depth and rate of electrochemical reduction of s.lfur and long-chain lithium polys.lfides.and to a decreas. in thos. for medium-and s.ort-chain lithium *** of lithium s.lt anions.has.weak effect on the dis.harge capacity of lithium-s.lfur batteries.and the Coulomb efficiency during cycling,with the exception of Lis._(3)CF_(3)and LiNO_(3).An increas. in DN of lithium s.lt anions.leads.to an increas. in the cycling duration of lithium metal anodes.and to a decreas. in the pres.nce of lithium *** s.lfolane s.lutions.of LiNO_(3)and Lis._(3)CF_(3),lithium polys.lfides.do not affect the cycling duration of lithium metal anodes.

关键词： Donor number Lithium s.lt s.lfolane Lithium polys.lfide Electrolyte Lithium-s.lfur battery Lithium metal electrode

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