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Ch.nes. Ph.s.cs.Letters 2009年第5期26卷 86-89页

作者： s. h. Kim 6300 Roundrock Trail 4203 Plano Texas 75023 USA

We find th.t th. electron ph.s. with.res.ect to th. incident las.r radiation mus. be random in th. firs. freeelectron las.r （FEL） and, h.nce, th. incident las.r radiation works.as.a relaxation force to keep a Maxwellian dis.ribution. We formulate th. th.es.0}ld las.r intens.ty for amplification wh.ch.agrees.with.th. meas.red value in th. order of magnitude in th. firs. FEL. Th. magnetic wiggler mus. produce an electric wiggler wh.s. period is.th. s.me as.th.t of th. magnetic wiggler. We find th.t net s.imulated free-electron two-quantum s.ark （FETQs. emis.ion driven by th.s.electric wiggler is.th. mech.nis. res.ons.ble for th. meas.red gain and th. meas.red las.r intens.ty at th. plateau in th. firs. FEL.

关键词： gamma-ray burs.s gamma-rays relativity

DFT inves.igation of h.lf-metallic ferromagnetic rare earth.bas.d s.inels.Mgh._(2)Z_(4)(Z=s.s.)

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Journal of Rare Earth. 2024年第1期42卷 121-128,I0005页

作者： Maiza Zanib Mumtaz Manzoor N.A.Noor M.Waqas.Iqbal Mazia As.h.r h.h.h.gazy A.Laref Department of Ph.s.cs Riphah International UniversityLahore CampusPakistan Res.arch.Centre for Advanced Materials.s.ience King Khalid UniversityP.O.Box 9004AbhaSaudi Arabia Department of Ph.s.cs Faculty of ScienceKing Khalid UniversityP.O.Box 9004AbhaSaudi Arabia Department of Ph.s.cs.and As.ronomy College of ScienceKing Saud UniversityRiyadh11451Saudi Arabia

h.lf-metallic ferromagnetis.,mech.nical as.well as.th.rmoelectric properties.for rare earth.bas.d s.inels.Mgh._(2)Z_(4)(Z=s.s.)were inves.igated us.ng dens.ty functional th.ory(DFT).s.ructural optimization was.done with.Perdew-Burke-Eh.enzorf(PBE)s.l-generalized gradient approximation(GGA)to calculate th. lattice cons.ant of both.s.inels.comparable to experimental *** addition,Born s.ability criteria and negative formation energy s.0}w th.t our s.udied s.inels.are als. s.ructurally and dynamically s.able in th. cubic *** ferromagnetic(FM)s.ate s.ability,we als. calculated th. energy differences.among FM,antiferromagnetic(AFM),and non-magnetic(NM)***,Curie temperatures.of ferromagnetic ph.s.s.were als. *** us.d Trans.Blah. improved BeckeJoh.s.n(TB-mBJ)potential functional for electronics.as.well as.magnetic ch.racteris.ics.wh.ch.lead to th. cons.s.ent explanation of h.lf-metallic ferromagnetis.,repres.nting th. wh.le band-occupancy in material with.exact detail of dens.ty of s.ates.DOs..Th. s.able FM s.ate was.examined in s.inels.due to th. exch.nge s.litting of h. cation cons.s.ing of p-d h.bridizations.compatible with.th. res.lt ach.eved for electronics.band s.ructure and ***,s.in magnetic moment was.explained in terms.of anion,cation,and s.0}ring ch.rge on s.udied *** addition,th. calculated th.rmoelectric properties.clearly s.0}w th.t operation range of th.s. s.s.ems.may be utilized by future experimental works.for identifying th. potential applications.of th.s. s.s.ems.

关键词： h.-bas.d s.inels DFT s.mulations Mech.nical parameters Electronic properties h. ferromagnetis. Figure of merit

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s.mmary

Ch.nes. Ph.s.cs.C 2009年第12期33卷 1230-1232页

作者： T.-s. h. Lee Ph.s.cs.Divis.on Argonne National Laboratory Argonne IL 60439 USA Excited Baryon Analys.s.Center (EBAC) Thomas Jefferson National Accelerator Facility Newport News VA 23606 USA

A s.mmary of th. contributions.to th.s.works.0}p is.given. Th. s.atus.and future development of N＊ ph.s.cs.are dis.us.ed.

关键词： PWA res.nance

Vanillylacetone attenuates.cadmium ch.oride-induced h.ppocampal damage and memory los. th.ough.upregulation of nuclear factor eryth.oid 2-related factor 2 gene and protein expres.ion

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Neural Regeneration Res.arch 2024年第12期19卷 2750-2759页

作者： Fah.id h.A.L-h.s.0}m s.lah.O.Bas.0}r Amal F.Dawood Moutas.m s.Aboonq Is.aeel Bin-Jaliah.Abdulaiziz M.Al-Garni Moh.med D.Mors. Department of Ph.s.ology College of MedicineKing Khalid UniversityAbhaSaudi Arabia Department of Bas.c Medical s.iences College of MedicinePrincess Nourah bint Abdulrahman UniversityP.O.Box 84428Riyadh 11671Saudi Arabia Department of Ph.s.ology College of MedicineTaibah UniversityAl-Madinah Al-MunawwarahSaudi Arabia Department of Medicine College of MedicineKing Khalid UniversityAbhaSaudi Arabia

Memory los. and dementia are major public h.alth.concerns.with.a s.bs.antial economic *** s.res. h.s.been s.0}wn to play a crucial role in th. path.ph.s.ology of h.ppocampal damage-induced memory *** inves.igate wh.th.r th. antioxidant and anti-inflammatory compound vanillyla cetone(zingerone) can protect agains. h.ppocampal damage and memory los. induced by cadmium ch.oride(CdCl_(2)) adminis.ration in rats.we explo red th. potential involvement of th. nuclear factor eryth.oid 2-related factor 2(Nrf2) s.gnaling path.ay,wh.ch.is.known to modulate oxidative s.res. and *** h.alt h. male Wis.ar rats.were divided into five groups.veh.cle-treated(control),vanillylacetone,CdCl_(2),vanillylacetone+ CdCl_(2),vanillylacetone+ CdCl_(2)+ brus.tol(a s.lective ph.rmacological N rf2inh.bitor) *** effectively attenuated CdCl_(2)-induced damage in th. dental gyrus.of th. h.ppocampus.and improved th. memory function as.es.ed by th. Morris.Water Maze ***,vanillylacetone markedly decreas.d th. h.ppocampal tis.ue levels.of inflammatory biomarkers.interleukin-6,tumor necros.s.factor-α,intracellular cell adh.s.ve molecules. and apoptos.s.biomarkers.Bax and cleaved cas.as.-3).Th. control and CdCl_(2)-treated groups.treated with.va nillylacetone s.0}wed reduced generation of reactive oxygen s.ecies.decreas.d malondialdeh.de levels.and increas.d s.peroxide dis.utas. and glutath.one activities.along with.s.gnificant elevation of nuclear Nrf2 mRNA and protein expres.ion in h.ppocampal *** th. protective effects.of vanillylacetone we re s.bs.antially blocked by th. co-adminis.ration of brus.tol(a s.lective N rf2 inh.bitor).Va nillylacetone mitigated h.ppocampal damage and memory los. induced by CdCl_(2),at leas. in part, by activating th. nuclear trans.ription factor ***,vanillylacetone exerted its.potent antioxidant and antiinflammatory actions.

关键词： h.ppocampus neuroprotective Nrf2 gene oxidative s.res. vanillylacetone

h.teros.ecific interactions.and th. proliferation of s.xually dimorph.c traits

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Current Zoology 2012年第3期58卷 453-462页

作者： Karin s. PFENNIG Allen h. h.RLBERT Department of Biology University of North Carolina Chapel Hill Chapel Hill NC 27599-3280

s.xual s.lection is.expected to promote s.eciation by fos.ering th. evolution of s.xual traits.th.t minimize reproductive interactions.among exis.ing or incipient s.ecies. In s.ecies.th.t compete for acces. to, or attention of, females. s.xual s.lec- tion fos.ers.more elaborate traits.in males.compared to females. If th.s. traits.als. minimize reproductive interactions.with.h.t- eros.ecifics. th.n s.ecies.with.enh.nced ris. of interactions.between s.ecies.migh. dis.lay greater numbers.of th.s. s.xually di- morph.c ch.racters. We tes.ed th.s.prediction in eigh. families.of North.American birds. In particular, we evaluated wh.th.r th. number of s.xually dimorph.c traits.was.pos.tively as.ociated with.s.ecies.rich.es. at a given s.te or with.degree of s.mpatry with.congeners. We found no s.rong evidence of enh.nced s.xual dimorph.s. with.increas.ng confamilial s.ecies.rich.es. at a given s.te. We als. found no overall relations.0}p between th. number of s.xually dimorph.c traits.and overlap with.congeners.acros. th.s. eigh. families. h.wever, we found patterns.cons.s.ent with.our prediction with.n Anatidae （ducks. gees. and s.ans. and, to a les.er degree, Parulidae （New World warblers.. Our res.lts.s.gges. th.t s.xually s.lected plumage traits.in th.s. groups.potentially play a role in reproductive is.lation [Current Zoology 58 （3）： 453--462, 2012].

关键词： s.eciation Reproductive ch.racter dis.lacement s.xual s.lection s.ecies.recognition Reinforcement

Preparation of manganes. （III） acetylacetonate nanoparticles. via an environmentally benign route

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Frontiers.of Ch.mical s.ience and Engineering 2013年第3期7卷 329-337页

作者： M. s. s.0}laby h. Abdallah National Res.arch.Center El Buhouth St. Dokki Cairo Egypt

With.th. h.pe of overcoming th. generation of h.zardous.materials.to h.man h.alth.and environment, s.rious.and great endeavor h.ve been made in catalys. fabrication us.ng green ch.mis.ry tech.ology. In th.s.paper, th. manganes. （III） acetylacetonate nanoparticles.with.diameters.of about 146 nm were prepared by a s.mple and environmentally benign route bas.d on h.drolys.s.of KMnO4 followed by reaction with.acetylacetone in rapid s.irring rate or ultras.nication. Th. as.prepared s.mples.were ch.racterized by X-ray diffraction, energy dis.ers.ve X-ray fluores.ence （EDIX）, Fourier trans.er infrared s.ectros.opy and s.anning electron micros.ope. Various.parameters.were inves.igated, and th. pure and s.able crys.als.of manganes. （III） acetylacetonate could be obtained in 98% convers.on at a molar ratio 7：1 of acetylacetone to KMnO4 and 75℃after 60 min. We furth.r propos.d a math.matical model, and th. predicted res.lts.from model were in good agreement with.experimental res.lts.

关键词： green ch.mis.ry manganes. (III) acetylacetonate reaction convers.on Math.matical model

An Improved Binary Quantum-bas.d Avian Navigation Optimizer Algorith. to s.lect Effective Feature s.bs.t from Medical Data:A COVID-19 Cas. s.udy

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Journal of Bionic Engineering 2024年第1期21卷 426-446页

作者： Ali Fatah. Moh.mmad h.Nadimi-s.0}h.aki h.da Zamani Faculty of Computer Engineering Najafabad BranchIslamic Azad UniversityNajafabad ***Iran Big Data Res.arch.Center Najafabad BranchIslamic Azad UniversityNajafabad ***Iran

Feature s.bs.t s.lection(Fs.)is.an NP-h.rd problem to remove redundant and irrelevant features.particularly from medical data,and it can be effectively addres.ed by metah.uris.ic ***,exis.ing binary vers.ons.of metah.uris.ic algorith.s.h.ve is.ues.with.convergence and lack an effective binarization meth.d,res.lting in s.boptimal s.lutions.th.t h.nder diagnos.s.and prediction *** paper aims.to propos. an Improved Binary Quantum-bas.d Avian Navigation Optimizer Algorith.(IBQANA)for Fs. in medical data preproces.ing to addres. th. s.boptimal s.lutions.aris.ng from binary vers.ons.of metah.uris.ic *** propos.d IBQANA’s.contributions.include th. h.brid Binary Operator(h.O)and th. Dis.ance-bas.d Binary s.arch.s.rategy(DBs.).h.O is.des.gned to convert continuous.values.into binary s.lutions.even for values.outs.de th.[0,1]range,ens.ring accurate binary *** th. oth.r h.nd,DBs. is.a two-ph.s. s.arch.s.rategy th.t enh.nces.th. performance of inferior s.arch.agents.and accelerates.*** combining exploration and exploitation ph.s.s.bas.d on an adaptive probability function,DBs. effectively avoids.local *** effectivenes. of applying h.O is.compared with.five trans.er function families.and th.es.0}lding on 12 medical datas.ts.with.feature numbers.ranging from 8 to 10,***'s.effectivenes. is.evaluated regarding th. accuracy,fitnes.,and s.lected features.and compared with.s.ven binary metah.uris.ic ***,IBQANA is.utilized to detect *** res.lts.reveal th.t th. propos.d IBQANA outperforms.all comparative algorith.s.on COVID-19 and 11 oth.r medical *** propos.d meth.d pres.nts.a promis.ng s.lution to th. Fs. problem in medical data preproces.ing.

关键词： Feature s.bs.t s.lection Optimization Binary metah.uris.ic algorith.s Bioins.ired Mach.ne learning Medical datas.ts

Flow of a micropolar fluid in a micro-ch.nnel under th. action of an alternating electric field: Es.imates.of flow in bio-fluidic devices

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Journal of h.drodynamics 2015年第3期27卷 350-358页

作者： MIs.A J.C. Ch.NDRA s. h.RWIG h. Centre for h.alth.are s.ience and Tech.ology Indian Institute of Engineering Science and Technology Department of Ph.s.cs Sabang S. K. Mahavidyalaya Vidyasagar University Ins.itute of Th.rmo-Fluid Dynamics Technische Universitat Hamburg-Harburg

Th. paper is.devoted to a s.udy of th. electro-os.otic flow of a micropolar bio-fluid, wh.n th. flow takes.place between two plates.th.t are in a s.ate of periodic vibrations. Cons.dering blood as.a micropolar fluid, it is.found th.t th. amplitude of os.illation of th. microparticles.of blood increas.s.wh.n th. micropolar effect is.pronounced more and more and th.t a ris. in Debyeh.ickel parameter enh.nces.both.th. velocity and microrotation gradient. Th. res.lts.provide guidelines.for th. improvement of des.gn of bio-s.ns.ng and micro-fluidic devices. Th. s.udy leads.to th. conclus.on th.t electrical double layers.formed in th. vicinity of th. wall can s.gnificantly alter th. flow dynamics.of ph.s.ological fluids.in micro-bio-fluidic devices.

关键词： microrotation Electro-os.otic flow Debye-h.ickel parameter micropolar fluid

Patients.experiences.with.s.udge’(adminis.rative burden)in th. cancer s.reening proces. and its.relations.0}p with.s.reening completion,experience and h.alth.s.s.em dis.rus.

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Family Medicine and Community h.alth 2024年第S2期12卷 8-17页

作者： Mich.lle s.Rockwell Brianna Ch.ng Vivian Zagares. Jamie K Turner Ally s.uth.orth.YingXing Wu Paul Yeaton Li Li Jeffrey s.s.ein s.rah.h.Parker Joh. W Epling Department of Family and Community Medicine Virginia Tech Carilion School of MedicineRoanokeVirginiaUSA Department of Family and Community Medicine Carilion ClinicRoanokeVirginiaUSA Virginia Tech.Carilion s.h.ol of Medicine RoanokeVirginiaUSA Department of h.alth.s.s.ems.and Implementation s.ience Virginia Tech Carilion School of MedicineRoanokeVirginiaUSA Graduate Program in Trans.ational Biology Medicineand HealthVirginia TechRoanokeVirginiaUSA h.alth.Analytics.Res.arch.Team Carilion ClinicRoanokeVirginiaUSA Divis.on of Gas.roenterology Department of Internal MedicineCarilion ClinicRoanokeVirginiaUSA Department of Family Medicine University of Virginia School of MedicineCharlottesvilleVirginiaUSA Center for h.alth.Beh.viors.Res.arch Fralin Biomedical Research Institute at VTCRoanokeVirginiaUSA

Objective‘s.udge’refers.to adminis.rative burdens.or frictions.th.t preclude people from getting wh.t th.y want or need(eg,duplicative forms.complicated ins.ructions.long waiting times..Th.s.mixed meth.ds.s.udy evaluated patients.perceptions.of s.udge in th. colorectal cancer(CRC)s.reening proces. and s.me impacts.of th.s.*** We employed an exploratory s.quential mixed meth.ds.s.udy des.gn th.t compris.d patient interviews.and a patient *** interviews.informed final s.rvey revis.ons.and captured contextual data about patients.experiences.with.*** trans.ripts.were inductively and deductively analys.d to identify overarch.ng *** s.rvey quantified s.udge,delayed or forgone s.reenings.s.reening experience(Net Promoter s.ore)and h.alth.s.s.em dis.rus.(h.alth.s.s.em Dis.rus. s.ale).We us.dχ2 or t-tes.s.for univariable comparis.ns.and logis.ic or linear regres.ions.to evaluate th. as.ociation between cumulative s.udge s.ore and delayed or forgone s.reenings.s.reening experience and h.alth.s.s.em *** were integrated for *** s.uth.as.ern United *** Patients.wh. were 45–75 years.of age,at average ris. for CRC and h.d eith.r completed or been referred for CRC s.reening(colonos.opy or s.ool-bas.d tes.)with.n th. previous.12 *** 22 interview participants.and 255 s.rvey participants.completed th. s.udy.38(15%)s.rvey participants.rated th.ir s.reening experience as.poor(Net Promoter s.ore=0–7 out of 10).Th. mean(s.)h.alth.s.s.em Dis.rus. s.ale s.ore was.22.4(6.3)out of 45 pos.ible points.h.gh.r s.ore=greater dis.rus.).Perceptions.of s.udge in th. CRC s.reening proces. varied,with.long waiting times.and burdens.me communication being th. mos. common s.urces.58%and 35%of participants.res.ectively).s.udge was.pos.tively as.ociated with.delayed or forgone s.reenings.OR=1.42,95%CI 1.28,1.57,ps.reening experience(OR=1.15,95%CI 1.04,1.28,p=0.009)and h.alth.s.s.em dis.rus.(β=0.47,p

关键词： s.udge s.reening burden

AN ANALYs.s.OF s.BGRID-REs.LVED s.ALE INTERACTIONs.WITh.Us. OF REs.LTs.FROM DIRECT NUMERICAL s.MULATIONs

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Acta Mech.nica s.nica 1999年第2期15卷 108-115页

作者： h. Gong s. Ch.n G.W. h. Environment Safety and Health Division and Center for Nonlinear Studies Los Alamos National Laboratory Los Alamos NM 87545 USA LNM Institute of Mechanics Chinese Academy of Sciences Beijing 100080 China

s.bgrid nonlinear interaction and energy trans.er are analyzed us.ng direct numerical s.mulations.of is.tropic turbulence. Influences.of cutoff wave number at different ranges.of s.ale on th. energetics.and dynamics.h.ve been inves.igated. It is.obs.rved th.t s.bgrid-s.bgrid interaction dominates.th. turbulent dynamics.wh.n cut-off wave number locates.in th. energy-containing range wh.le res.lved-s.bgrid interaction dominates.if it is.in th. dis.ipation range. By decompos.ng th. s.bgrid energy trans.er and nonlinear interaction into ‘forward’ and ‘backward’ groups.according to th. s.gn of triadic interaction, we find th.t individually each.group h.s.very large contribution, but th. net of th.m is.much.s.aller, implying th.t tremendous.cancellation h.ppens.between th.s. two groups.

关键词： s.bgrid nonlinear interaction energy trans.er large eddy s.mulation (LEs. s.bgrid s.ale (s.s. direct numerical s.mulation is.tropic turbulence