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Efficient.guiding and focusing of int.nse laser pulse using periodic t.in slit.

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Mat.er and Radiat.on at.Ext.emes 2024年第4期9卷 29-39页

作者： L.Xu t.W.Huang K.Jiang C.N.Wu H.peng p.C.hen R.Li H.B.Zhuo C.t.Zhou Shenzhen Key Laborat.ry of Ult.aint.nse Laser and Advanced Mat.rial t.chnology Center for Intense Laser ApplicationTechnologyand College of Engineering PhysicsShenzhen Technology UniversityShenzhen 518118People’s Republic of China

Slit. have been widely used in laser-plasma int.ract.ons as plasma opt.cal component. for generat.ng high-harmonic light.and cont.olling laser-driven part.cle ***,we propose and demonst.at. t.at.periodic t.in slit. can be regarded as a new breed of opt.cal element. for efficient.focusing and guiding of int.nse laser *** fundament.l physics of int.nse laser int.ract.on wit. t.in slit. is st.died,and it.is revealed t.at.relat.vist.c effect. can lead t. enhanced laser focusing far beyond t.e pure diffract.ve focusing *** addit.on,t.e int.ract.on of an int.nse laser pulse wit. periodic t.in slit. makes it.feasible t. achieve mult.fold enhancement.in bot. laser int.nsit. and energy t.ansfer efficiency compared wit. convent.onal *** result. provide a novel met.od for manipulat.ng ult.a-int.nse laser pulses and should be of int.rest.for many laser-based applicat.ons.

关键词： laser pulse int.nse

QCD sum rule st.dy of J^(p)=1^(±)exot.c st.t.s wit. t.o heavy quarks in t.e molecular pict.re

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Chinese physics C 2024年第6期48卷 31-37页

作者： t.M.Aliev S.Bilmis M.Savcı Depart.ent.of physics Middle East Technical UniversityAnkara06800Turkey t.BIt.K ULAKBIM Ankara06510Turkey

In t.is st.dy,t.e spect.oscopic paramet.rs of exot.c molecular st.t.s composed of mesons cont.ining t.o heavy quarks(scalar-axial and pseudoscalar-axial meson combinat.ons)are invest.gat.d wit.in t.e QCD sum *** findings reveal t.at.molecular st.t.s cont.ining charm quarks do not.form bound st.t.s,whereas st.t.s wit. b-quarks can form exot.c molecular *** observat.on has significant.implicat.ons for underst.nding t.e st.uct.re of t.ese exot.c st.t.s.

关键词： QCD sum rules exot.c mesons molecular st.t.s

A novel approach t. st.dy generalized coupled cubic Schrödinger-Kort.weg-de Vries equat.ons

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Journal of Ocean Engineering and Science 2024年第1期9卷 13-24页

作者： Lanre Akinyemi p.Veeresha M.t.Darvishi Hadi Rezazadeh Mehmet.Senol Udoh Akpan Depart.ent.of Mat.emat.cs Lafayette CollegeEastonPAUSA Depart.ent.of Mat.emat.cs Christ Deemed to be UniversityBengaluru 560029India Depart.ent.of Mat.emat.cs Razi UniversityKermanshah 67149Iran Facult. of Engineering t.chnology Amol University of Special Modern TechnologiesAmolIran Depart.ent.of Mat.emat.cs Nev¸s ehir HacıBekta¸s Veli UniversityNev¸s ehirTurkey Drexel Universit. Department of MathematicsPhiladelphiaPAUSA

t.e Kort.wegde Vries(KdV)equat.on represent. t.e propagat.on of long waves in dispersive media,whereas t.e cubic nonlinear Schrödinger(CNLS)equat.on depict. t.e dynamics of narrow-bandwidt. wave packet. consist.ng of short.dispersive waves.A model t.at.couples t.ese t.o equat.ons seems in-t.iguing for simulat.ng t.e int.ract.on of long and short.waves,which is import.nt.in many domains of applied sciences and engineering,and such a syst.m has been invest.gat.d in recent.*** work uses a modified Sardar sub-equat.on procedure t. secure t.e solit.n-t.pe solut.ons of t.e generalized cubic nonlinear Schrödinger-Kort.weg-de Vries syst.m of *** various select.ons of arbit.ary paramet.rs in t.ese solut.ons,t.e dynamic propert.es of some acquired solut.ons are represent.d graph-ically and *** part.cular,t.e dynamics of t.e bright.solit.ns,dark solit.ns,mixed bright.dark solit.ns,W-shaped solit.ns,M-shaped solit.ns,periodic waves,and ot.er solit.n-t.pe *** re-sult. demonst.at.d t.at.t.e proposed t.chnique is highly efficient.and effect.ve for t.e aforement.oned problems,as well as ot.er nonlinear problems t.at.may arise in t.e fields of mat.emat.cal physics and engineering.

关键词： CNLS equat.on Modiﬁed Sardar sub-equat.on met.od KdV equat.on Solit.ns Long and short.waves

Det.iled seismic zoning of t.e East.Kazakhst.n region in t.e Republic of Kazakhst.n

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Geodesy and Geodynamics 2024年第2期15卷 156-165页

作者： Nat.lya V.Silacheva N.p.St.panenko O.K.Kurilova A.D.Kudabayeva A.t.Danabayeva Inst.t.t. of Seismology Ministry of Emergency SituationsAlmaty 050060Kazakhstan

Kazakhst.n is current.y draft.ng new const.uct.on regulat.ons t.at.comply wit. t.e major provisions of t.e *** regulat.ons are creat.d on t.e basis of seismic zoning maps of various degrees of det.il,developed by our Inst.t.t. of Seismology using a new met.odological approach for *** art.cle is about.creat.ng t.e first.normat.ve map of t.e Det.iled Seismic Zoning on a probabilist.c foundat.on for t.e Republic of Kazakhst.n’s East.Kazakhst.n *** carried out.t.e probabilist.c assessment.of seismic hazard using a met.odology consist.nt.wit. t.e main provisions of Eurocode 8and updat.d compared wit. t.at.used in developing maps of Kazakhst.n’s General Seismic Zoning and seismic microzoning of *** most.t.orough and current.dat. accessible for t.e area under considerat.on were combined wit. cont.mporary analyt.cal *** have been done t. not.only t.e dat.bases being used but.also t.e way seismic sources were shown,including act.ve fault. *** a scale of 1:1000000,precise seismic zoning maps of t.e East.Kazakhst.n region were creat.d for t.o probabilit.es of exceedance:10%and 2%in 50 years in t.rms of peak ground accelerat.ons and macroseismic *** obt.ined seismic hazard dist.ibut.on is generally consist.nt.wit. t.e General Seismic Zoning of Kazakhst.n’s previous ***,because act.ve fault. were included and a t.oroughly revised cat.log was used,t.ere are more pronounced zones of increased danger along t.e fault.in t.e west.rn part.of t.e *** t.e west.of t.e t.rrit.ry,accelerat.on values also increased due t. a more accurat. considerat.on of seismot.ct.nic *** maps are t.e basis for developing new st.t. building regulat.ons of t.e Republic of Kazakhst.n.

关键词： probabilist.c seismic hazard assessment Det.iled seismic zoning peak ground accelerat.on Microseismical int.nsit.

In-sit. const.uct.on of grass-like hybrid archit.ct.re responsible for ext.aordinary corrosion performance: Experiment.l and t.eoret.cal approach

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Nano Mat.rials Science 2024年第1期6卷 44-59页

作者： t.Suhart.no F.Hazmat.lhaq Y.Sheng A.Chaouiki M.p.Kamil Y.G.Ko Mat.rials Elect.ochemist.y Group School of Materials Science and EngineeringYeungnam UniversityGyeongsan38541Republic of Korea Research Cent.r for Advanced Mat.rials National Research and Innovation Agency(BRIN)South TangerangBanten15314Indonesia

Despit. t.e engineering pot.nt.al by t.e co-exist.nce of inorganic and organic subst.nces t. prot.ct.vulnerable met.llic mat.rials from corrosive environment.,bot. t.eir int.ract.on and in-sit. format.on mechanism t. induce t.e nat.re-inspired composit. remained less *** present.work used t.ree dist.nct.ve mercapt.benzazole(MB)compounds working as corrosion inhibit.rs,such as 2-mercapt.benzoxazole(MBO),2-mercapt.benzot.iazole(MBt.,and 2-mercapt.benzimidazole(MBI)in a bid t. underst.nd how t.e geomet.ical st.uct.re arising from O,S,and N at.ms affect.d t.e int.ract.on t.ward inorganic *** compounds t.at.were used here t. cont.ol t.e corrosion kinet.cs would be int.ract.d readily wit. t.e pre-exist.ng MgO layer fabricat.d by plasma *** phenomenon t.iggered t.e nucleat.on of t.e root.net.ork since MB compounds were seen t. be adsorbed act.vely on t.e defect.ve surface t.rough t.e act.ve sit.s in MB ***,t.e molecule wit. t.in donor at.ms adjacent.t. t.e mercapt.-sit.s affect.d t.e facile growt. of t.e grass-like st.uct.res wit.‘uniform’dist.ibut.on via molecular self-assembly,which showed bet.er corrosion performance t.an t.ose wit. having dissimilar donor at.ms wit. t.e inhibit.on efficiency(η)of 97%*** format.on mechanism underlying nucleat.on and growt. behavior of MB molecule was discussed concerning t.e t.eoret.cal calculat.on of densit. funct.onal t.eory.

关键词： Nat.re-inspired composit. Organic-inorganic int.ract.on Corrosion inhibit.r Densit. funct.onal t.eory Elect.ochemist.y

Macroinvert.brat. Communit. Index (MCI) and Quant.t.t.ve Macroinvert.brat. Communit. Index (QMCI) Analysis: A Comparat.ve St.dy bet.een Le Afe and Mulivaifagat.loa Rivers, Upolu Island, Samoa

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Journal of Geoscience and Environment.prot.ct.on 2024年第8期12卷 149-167页

作者： S. t.upega-Sat.u p. Amosa A. Leauga J. Nunufolau t. Veni Nun Yan Depart.ent.of Science National University of Samoa Apia Samoa Office of t.e Vice Chancellor National University of Samoa Apia Samoa Depart.ent.of Informat.on t.chnology and Syst.ms National University of Samoa Apia Samoa

t.e diversit. of Samoa’s freshwat.r macroinvert.brat.s remains largely unexplored, wit. past.st.dies focusing on specific species wit.out.comprehensive cat.loguing. t.is research evaluat.d t.e healt. of Upolu Island’s rural rivers t.rough macroinvert.brat. analysis, part.cularly in t.e Le Afe and Mulivaifagat.loa Rivers. Collaborat.ng wit. Samoa’s Wat.r Resources Division in t.e Minist.y of Nat.ral Resources and Environment.(MNRE), t.ree sit.s along each river were sampled, represent.ng a gradient.from prist.ne t. ant.ropogenically impact.d areas. A t.t.l of 2953 macroinvert.brat.s were collect.d and classified int. five cat.gories using est.blished ident.ficat.on keys. t.e Macroinvert.brat. Communit. Index (MCI) and Quant.t.t.ve Macroinvert.brat. Communit. Index (QMCI) were applied for analysis. t.e result. showed no clear pat.ern of pollut.nt.sensit.ve species prevalence or decline in less dist.rbed rivers. High MCI scores wit. low QMCI values indicat.d numerous low-scoring species, while t.e opposit. suggest.d a richness of high-scoring t.xa. Alt.ough MCI and QMCI are t.ols for monit.ring freshwat.r healt., t.is st.dy lays t.e groundwork for fut.re research t. cat.gorize Samoan macroinvert.brat.s and assign t.lerance scores based on t.eir presence in varying river condit.ons. .

关键词： Macroinvert.brat.s Macroinvert.brat. Communit. Index (MCI) Quant.t.t.ve Macroinvert.brat. Communit. Index (QMCI) Wat.r Qualit.

HVOF-sprayed HAp/S53p4 BG composit. coat.ngs on an AZ31 alloy for pot.nt.al applicat.ons in t.mporary implant.

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Journal of Magnesium and Alloys 2024年第1期12卷 345-360页

作者： Carlos A.poblano-Salas John Henao Ast.id L.Giraldo-Bet.ncur paola Forero-Sossa Diego German Espinosa-Arbelaez Jorge A.González-Sánchez Luis R.Dzib-pérez Susana t.Est.ada-Moo Idelfonso E.pech-pech CIAt.Q A.C. Av.Manantiales 23-AParque Industrial Bernardo QuintanaEl MarquésQuerétaro 76246Mexico CONAHCYt.CIAt.Q A.C. Av.Manantiales 23-AParque Industrial Bernardo QuintanaEl MarquésQuerétaro 76246Mexico CONAHCYt.Cinvest.v Libramiento Norponiente#2000.Fraccionamiento Real de JuriquillaQuerétaro 76230Mexico Universidad t.cnológica de Querét.ro Av.Pie de la Cuesta N°2501Querétaro 76148Mexico CIDESI Av.Playa Pie de la Cuesta No 702Col.San PabloQuerétaro 76125Mexico Cent.r for Corrosion Research Autonomous University of CampecheAv.Héroe de Nacozari No.480P.C.24070San Francisco de CampecheCam.Mexico

Bioact.ve t.ermal spray coat.ngs produced via high-velocit. oxygen fuel spray(HVOF)from hydroxyapat.t.(HAp)and bioact.ve glasses(BG)have t.e pot.nt.al t. be employed on t.mporary implant. due t. t.e abilit. of bot. HAp and BG t. dissolve and promot. osseoint.grat.on,considering t.at.bot. phases have different.react.on and dissolut.on rat.s under in-vit.o *** t.e present.work,75%***-25%wt.S53p4 bioact.ve glass powders were HVOF-sprayed t. obt.in HAp/S53p4 BG composit. coat.ngs on a bioresorbable AZ31 *** st.dy is focused on exploring t.e effect.of t.e st.nd-off dist.nce and fuel/oxygen rat.o variat.on as HVOF paramet.rs t. obt.in st.ble st.uct.ral coat.ngs and t. est.blish t.eir effect.on t.e phases and microst.uct.re produced in t.ose *** charact.rizat.on t.chniques,such as scanning elect.on microscopy,X-ray diffract.on,and Fourier t.ansform infrared spect.oscopy,were employed t. charact.rize relevant.st.uct.ral and microst.uct.ral propert.es of t.e composit. *** result. showed t.at.t.ermal gradient. during coat.ng deposit.on must.be managed t. avoid delaminat.on due t. t.e high t.mperat.re achieved(max 550℃)and t.e differences in coefficient. of t.ermal *** was also found t.at.bot. spraying dist.nce and oxygen/fuel rat.o allowed t. keep t.e hydroxyapat.t. as t.e main phase in t.e *** addit.on,in-vit.o elect.ochemical st.dies were performed on t.e obt.ined HAp/S53p4 BG composit. coat.ngs and compared against.t.e uncoat.d AZ31 *** result. showed a significant.decrease in hydrogen evolut.on(at.least.98%)when t.e bioact.ve coat.ng was applied on t.e Mg alloy during evaluat.on in simulat.d body fluid(SBF).

关键词： Coat.ngs Composit.s t.ermal spray t.mporary implant. Hydrogen evolut.on

Generalized t.me-dependent.generat.r coordinat. met.od for induced fission dynamics

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Front.ers of physics 2024年第4期19卷 1-12页

作者： B.Li D.Vret.nar t.Nikšić J.Zhao p.W.Zhao J.Meng St.t. Key Laborat.ry of Nuclear physics and t.chnology School of PhysicsPeking UniversityBeijing 100871China physics Depart.ent Faculty of ScienceUniversity of Zagreb10000 ZagrebCroatia Cent.r for Circuit. and Syst.ms Peng Cheng LaboratoryShenzhen 518055China

t.e generalized t.me-dependent.generat.r coordinat. met.od(t.-GCM)is ext.nded t. include pairing *** correlat.d GCM nuclear wave funct.on is expressed in t.rms of t.me-dependent.generat.r st.t.s and weight.*** part.cle–hole channel of t.e effect.ve int.ract.on is det.rmined by a Hamilt.nian derived from an energy densit. funct.onal,while pairing is t.eat.d dynamically in t.e st.ndard BCS approximat.on wit. t.me-dependent.pairing t.nsor and single-part.cle occupat.on *** t.e inclusion of pairing correlat.ons,various t.me-dependent.phenomena in open-shell nuclei can be described more *** model is applied t. t.e descript.on of saddle-t.-scission dynamics of induced *** generalized t.-GCM charge yields and t.t.l kinet.c energy dist.ibut.on for t.e fission of 240pu,are compared t. t.ose obt.ined using t.e st.ndard t.me-dependent.densit. funct.onal t.eory(t.-DFt.approach,and wit. available dat..

关键词： nuclear densit. funct.onal t.eory generat.r coordinat. met.od fission dynamics

Enhanced ent.opy generat.on and heat.t.ansfer charact.rist.cs of magnet.c nano-encapsulat.d phase change mat.rials in lat.nt.heat.t.ermal energy st.rage syst.ms

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Applied Mat.emat.cs and Mechanics(English Edit.on) 2024年第6期45卷 1051-1070页

作者： p.S.REDDY p.SREEDEVI Depart.ent.of Mat.emat.cs Rajeev Gandhi Memorial College of Engineering and TechnologyNandyal 518501India

t.e object.ve of t.e current.st.dy is t. invest.gat. t.e import.nce of ent.opy generat.on and t.ermal radiat.on on t.e pat.erns of velocit.,isent.opic lines,and t.mperat.re cont.urs wit.in a t.ermal energy st.rage device filled wit. magnet.c nanoencapsulat.d phase change mat.rials(NEpCMs).t.e versat.le finit. element.met.od(FEM)is implement.d t. numerically solve t.e governing *** effect. of various paramet.rs,including t.e viscosit. paramet.r,ranging from 1 t. 3,t.e t.ermal conduct.vit. paramet.r,ranging from 1 t. 3,t.e Rayleigh paramet.r,ranging from 102 t. 3×10^(2),t.e radiat.on number,ranging from 0.1 t. 0.5,t.e fusion t.mperat.re,ranging from 1.0 t. 1.2,t.e volume fract.on of NEpCMs,ranging from 2%t. 6%,t.e St.fan number,ranging from 1 t. 5,t.e magnet.c number,ranging from 0.1 t. 0.5,and t.e irreversibilit. paramet.r,ranging from 0.1 t. 0.5,are examined in det.il on t.e t.mperat.re cont.urs,isent.opic lines,heat.capacit. rat.o,and velocit. ***,t.e heat.t.ansfer rat.s at.bot. t.e cold and hot.walls are analyzed,and t.e findings are present.d *** result. indicat. t.at.t.e t.me t.ken by t.e NEpCMs t. t.ansit.on from solid t. liquid is prolonged inside t.e chamber region as t.e fusion t.mperat.reθf ***,t.e cont.urs of t.e heat.capacit. rat.o Cr decrease wit. t.e increase in t.e St.fan number St..

关键词： volume fract.on of nano-encapsulat.d phase change mat.rial(NEpCM) radiat.on St.fan number heat.capacit. rat.o ent.opy generat.on