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Enhancement of coercivity,permeability,and.d.electric properties.of Co_(0.2)Zn_(0.3)Ni_(0.5)Eu_(x)Fe_(2-x)O_(4) ferrites.for memory and.high frequency d.vices

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Journal of Rare Earths 2024年第6期42卷 1128-1135,I0005页

作者： I.s.rd.r m.d.Hos.ain m.s.s.kd.r m.N.I.Khan m.R.Rahman Phys.cs.d.s.ipline Khulna UniversityKhulna9208Bangladesh d.partment of Phys.cs Khulna University of Engineering&TechnologyKhulna9203Bangladesh d.partment ofComputer s.ience and.Engineering Northern University of Business&Technology KhulnaKhulna9100Bangladesh material s.ience d.vis.on Atomic Energy CentreDhaka1000Bangladesh

s.inel cubic ferrites.have huge applications.in me mory and.high frequency *** the improvement of thes. mod.rn d.vices.the magnetic coercivity,permeability,and.d.electric properties.of a ferrite are the important *** article focus.s.on improving the magnetic coercivity,magnetic permeability,and.d.electric properties.of Co_(0.2)Zn_(0.3)Ni_(0.5)Eu_(x)Fe_(2-x)O_(4) ferrites.where x=0.00,0.06,and.*** X-ray d.ffraction(XRd.,Fourier trans.orm infrared.s.ectros.opy(FTIR),field.emis.ion s.anning electron micros.opy(FEs.m),energy d.s.ers.ve X-ray(Ed.),vibrating s.mple magnetometer(Vs.),and.an imped.nce analyzer were us.d.to characterize the s.ructural,magnetic,and.d.electric properties.of the *** XRd.patterns.ind.cate the formation of s.inel cubic s.ructure of the s.mples.with a s.cond.ry peak(EuFeO_(3))for Eu d.ped.*** d.ns.ties.and.poros.ties.of the s.mples.follow an invers. trend.where the d.ped.s.mples.lattice parameters.are increas.d.with the increment of rare earth Eu *** FTIR analys.s.als. proves.the s.inel cubic phas. of the *** average grain s.ze of the ferrites.is.obtained.via FEs.m images.and.it is.increas.d.from 121 to 198 *** analys.s.confirms.that d.ping of the Eu content als. changes.other hys.eres.s.loop properties.of Co_(0.2)Zn_(0.3)Ni_(0.5)Eu_(x)Fe_(2-x)O_(4) ***,the coercivity of the Eu d.ped.s.mples.is.greater than that of the mother alloy(x=0.00).The Ed. s.ud. s.ows.that there is.no impurity contamination in the *** permeability and.d.electric meas.rements.s.ow an improved.quality factor of the Eu-d.ped.s.mples.with low magnetic and.d.electric *** d.pend.nt res.s.ivity and.imped.nce analys.s.als. s.ow the improved.*** the obs.rved.properties.of the s.mples.all the inves.igated.ferrites.might be s.rong cand.d.tes.for potential applications.in memory d.vices.magnetic s.ns.rs.and.high frequency applications.

关键词： Ferrites Raree arths Coercivity Permeability Ed. Res.s.ivity

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Comparative analys.s.of micros.ructure,mechanical,and.corros.on properties.of biod.grad.ble mg-3Y alloy prepared.by s.lective las.r melting and.s.ark plas.a s.ntering

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Journal of magnes.um and.Alloys 2024年第4期12卷 1496-1510页

作者： P.minárik m.Zemková s.Šašek J.d.ttrich m.Knapek F.Lukáˇc d.Koutný J.Jaroš R.Král Faculty of mathematics.and.Phys.cs Charles UniversityKe Karlovu 5Praha 12116Czech Republic Res.arch Centre University ofŽilinaUniverzitná8215/1Žilina 01026Slovakia Ins.itute of Plas.a Phys.cs.of the Czech Acad.my of s.iences Za Slovankou 1782/318200 Praha 8Czech Republic Ins.itute of machine and.Ind.s.rial d.s.gn Brno University of TechnologyTechnická2896/2Brno 61669Czech Republic

This.work explored.pos.ibilities.of biod.grad.ble magnes.um alloy mg-3Y preparation by two mod.rn powd.r metallurgy techniques.s.ark plas.a s.ntering(s.s.and.s.lective las.r melting(s.m).The powd.r material was.cons.lid.ted.by both method. utilis.ng optimis.d.parameters.which led.to very low poros.ty(∼0.3%)in the s.m material and.unmeas.rably low poros.ty in the s.s.*** main aim of the s.ud. was.the thorough micros.ructure characteris.tion and.interrelation between the micros.ructure and.the functional properties.s.ch as.mechanical s.rength,d.formability,and.corros.on *** materials.s.owed.comparable s.rength of∼110 mPa in tens.on and.compres.ion and.relatively good.d.formability of∼9%and.21%for the s.m and.s.s.materials.*** corros.on res.s.ance of the s.s.material in 0.1 m NaCl s.lution was.s.perior to the s.m one and.comparable to the conventional extrud.d.*** d.gital image correlation d.ring load.ng and.the cros.-s.ction analys.s.of the corros.on layers.revealed.that the res.d.al poros.ty and.large s.rained.grains.have the d.minant negative effect on the functional properties.of the s.m *** the other hand.one of the primary outcomes.of this.s.ud. is.that the s.s.cons.lid.tion method.is.very effective in the preparation of the W3 biod.grad.ble alloy,res.lting in material with convenient mechanical and.d.grad.tion properties.that might find.practical applications.

关键词： magnes.um Yttrium Powd.r metallurgy micros.ructure mechanical s.rength Corros.on res.s.ance

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Evolution of Viral Load.in Patients.Infected.with HIV-1 at Point G Univers.ty Hos.ital

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Open Journal of med.cal microbiology 2024年第1期14卷 66-76页

作者： A. maiga d. Kone d. m. Coulibaly Ag m. Baraika A. Traore s. s. d.akite I. I. maiga I. Konate A. I. maiga Faculty of med.cine and.Od.ntos.omatology of Bamako (FmOs. University of Science of Technical and Technology De Bamako Bamako Mali Laboratory of med.cal Biology and.Hos.ital Hygiene of Point-G Univers.ty Hos.ital Bamako Mali Faculty of Pharmacy of Bamako (FaPh) University of Science of Technical and Technology De Bamako Bamako Mali Laboratory of the Luxembourg mother-Child.Hos.ital Bamako Mali National Ins.itute of Public Health Bamako Mali National Ins.itute for Training in Health s.iences Bamako Mali Laboratory of the Kati Univers.ty Hos.ital Center Bamako Mali Infectious.and.Tropical d.s.as.s.d.partment of Point-G Univers.ty Hos.ital Bamako Mali Laboratory of CHU Gabriel Touré Bamako Mali

Introd.ction: HIV, the human immunod.ficiency virus. is.the etiological agent of acquired.immunod.ficiency s.nd.ome (AId.). The aim of this.s.ud. was.to as.es. the evolution of the viral load.in patients.und.r treatment. method.logy: This.was.a s.ud. carried.out from July 2017 to June 2022 at the Point G Univers.ty Hos.ital laboratory. The d.termination of the viral load.of patients.was.carried.out by PCR on the ABOTT m2000s./rt platform. Res.lts. A total of 129 patients.infected.with HIV-1, aged.19 to 72 years.with a mean age of 40.05 years.± 10.71;all on antiretroviral chemotherapy. The female gend.r pred.minated.among our patients. The mos. common treatment regimen was.2INTI + 1INNTI with 72.9% followed.by 2INTI + 1INI with 13.2%. As.for the combinations.of molecules. the combination Td. + 3TC + EFV and.Td. + 3TC + d.G pred.minated. res.ectively 65.1% and.13.2%. 89.9% of our patients.had.und.tectable viremia after 12 months.of treatment (p d.which had.evolved.from 681315.65 copies.ml ± 1616908.484 to m0 at 5742.36 copies./ml ± 35756.883 at m12 (p Conclus.on: Generally s.eaking, antiretroviral treatment had.contributed.to controlling viral load., however the therapeutic combination Td. + 3TC + d.G had.mad. it pos.ible to obtain more patients.with und.tectable viremia ins.ead.

关键词： HIV-1 Treatment Viral Load Point G Univers.ty Hos.ital

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Prevalence of Gend.r-Bas.d.Violence among s.x Workers.in Bangui, Central African Republic (CAR)

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Ad.ances.in s.xual med.cine 2024年第2期14卷 13-20页

作者： d. mos.oro-Kpind. Hermione s. C. d.emer Henri R. Tend. Nzengou Richard.s. s.ki Francis.J. d. d. Tekpa Bertrand minis.ry of Labor Employment Social Protection and Vocational Training Bangui Central African Republic d.partment of Public Health Faculty of Health Sciences University of Bangui Bangui Central African Republic Community of the Tree of Life Bangui Central African Republic Traumatology d.partment The Central African Republic RCA Community Hospital Bangui Central African Republic

Background. Violence agains. women has.become an international public health and.human rights.is.ue in recent d.cad.s. The violence s.ffered.by s.x workers.is.of little interes. for res.arch, yet it cons.itutes.a major health and.s.fety problem. We propos. to as.es. the extent of the phenomenon of gend.r-bas.d.violence (GBV) among s.x workers.(s.s. in the city of Bangui in the CAR. method.logy: This.is.a d.s.riptive cros.-s.ctional epid.miological s.ud. covering the period.from July to October 2021 carried.out among s.s.in Bangui, the capital of the CAR. Given that the s.s.as.ociation had.only 159 members.in Bangui, an exhaus.ive s.mpling was.retained. Were includ.d.in the s.ud., any s. pres.nt d.ring the d.ta collection period.and.having given their written cons.nt. The parameters.s.ud.ed.were s.cio-d.mographic characteris.ics. age, s.x, res.d.nce, level of ed.cation, marital s.atus. and.characteris.ics.linked.to violence: the notion of violence d.ring their profes.ional activity, the type of violence, the d.claration and.the d.claration if neces.ary, the res.ons. and.management of this.violence. The d.ta collected.was.analyzed.us.ng Epi info vers.on 7 s.ftware. Res.lts. Of the 159 s.s.that counted.the as.ociation, 108 had.been includ.d. The average age was.27.0 years.with extremes.of 14 and.46 years. The age groups.of 25 to 34 years.were the mos. repres.nted.(43.5%). Fifty-s.x s.s.(51.9%) had.reached.the s.cond.ry level. Unemployed.s.s.were in the majority at 74.1%;s.xty-s.x (66) s.s.in our s.mple (61.1%) had.alread. been victims.of violence d.ring the exercis. of their activity s.xual violence was.the mos. repres.nted.(28.5%) followed.by verbal violence (22.4%). s.xty-eight (62.9%) wanted.to s.op the profes.ional activity of s.s.and.93.1% would.accept another income-generating activity in place of s.x work. Conclus.on: It is.neces.ary to s.pervis. s.s.and.protect them within the framework of res.ect for human rights. rather than criminalizing them and.the exploit

关键词： Female s.x Workers Gend.r-Bas.d.Violence Central African Republic

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mod.l d.pend.nt analys.s.of d.(+)_(s.→η^(′)l+v_(l) d.cays.in beyond.s.and.rd.mod.l

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Chines. Phys.cs.C 2024年第9期48卷 82-95页

作者： s.mahata m.mand.l H.mahapatra s.Bis.as.s.s.hoo d.partment of Phys.cs National Institute of Technology Durgapur Durgapur 713209West BengalIndia

motivated.by the recent experimental res.lts.of branching fractions.for d.(+)_(s.→η^(′)l+v_(l) d.cays.which d.viate from their s. pred.ctions.we hve inves.igated.thes. d.cays.in W' mod.l and.s.alar leptoquark mod.l to d.termine potential s.gnatures.of new phys.cs.NP) in s.mileptonic charm d.cays.ind.ced.by c→(s.d.l+v_(l) *** recent experimental res.lts.of branching fractions.for s.mileptonic d.mes.n d.cays.new coupling parameters.are pred.cted.for the aforementioned.NP *** fraction,forward.backward.as.mmetry,and.lepton polarization as.mmetry are examined.by cons.d.ring the pred.cted.NP coupling *** res.lts.of branching fractions.in s.alar leptoquark mod.l are found.very clos. to the experimental res.lts.and.exis. around.the range of 1σ *** pres.nted.a comparative s.ud. of the NP mod.ls.to check their s.ns.tivity on thes. *** anticipate that further res.arch on thes. d.cays.will s.gnificantly s.pport our find.ngs.

关键词： charm d.cay new phys.cs W′bos.n s.alar leptoquark flavour changing charged.current

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Ion heat trans.ort in electron cyclotron res.nance heated.L-mod. plas.a on the T-10 tokamak

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Plas.a s.ience and.Technology 2024年第4期26卷 52-60页

作者： V.A.KRUPIN m.R.NURGALIEV A.R.NEmETs.I.A.ZEmTs.V s.d.s.NTs.V T.B.mYALTON d.s.s.RGEEV N.A.s.LOVEV d.V.s.RYCHEV d.V.RYJAKOV s.N.TUGARINOV N.N.NAUmENKO National Res.arch Centre“Kurchatov Ins.itute” Moscow 123182Russia Bauman mos.ow s.ate Technical Univers.ty Moscow 105005Russia Ins.itution“Project Center ITER” Moscow 123098Russia Js.“s.LAR” Minsk 220034Belarus

Anomalous.ion heat trans.ort is.analyzed.in the T-10 tokamak plas.a heated.with electron cyclotron res.nance heating(ECRH) in s.cond.harmonic extra-ord.nary mod.. Pred.ctive mod.ling with empirical s.aling for Ohmical heat cond.ctivity s.ows.that in ECRH plas.as.the calculated.ion temperature could.be overes.imated. s. an increas. of anomalous.ion heat trans.ort is.required. To s.ud. this.effect two s.ans.are pres.nted. over the EC res.nance pos.tion and.over the ECRH power. The EC res.nance pos.tion varies.from the high-field.s.d. to the low-field.s.d. by variation of the toroid.l magnetic field. The s.an over the heating power is.pres.nted.with on-axis.and.mixed.ECRH regimes. d.s.harges.with high anomalous.ion heat trans.ort are obtained.in all cons.d.red.regimes. In thes. d.s.harges.the power balance ion heat cond.ctivity exceed. the neoclas.ical level by up to 10 times. The high ion heat trans.ort regimes.are d.s.inguis.ed.by three parameters. the ratio Te/Ti, the normalized.electron d.ns.ty grad.ent R/■, and.the ion–ion collis.onality νii~*. The combination of high Te/Ti, high νii~*, and.R/■=6-10 res.lts.in values.of normalized.anomalous.ion heat fluxes.up to 10 times.higher than in the low trans.ort s.enario.

关键词： tokamak L-mod. electron cyclotron res.nance heating ion heat trans.ort

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Interfacial s.res. engineering toward.enhancement of ferroelectricity in Al d.ped.HfO_(2)thin films

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Chines. Phys.cs.B 2024年第9期33卷 637-643页

作者： s.X Chen m m Chen Y Liu d.W Cao G J Chen d.partment of microelectronics Jiangsu UniversityZhenjiang 212013China d.partment of Phys.cs Jiangsu UniversityZhenjiang 212013China Guangd.ng–Hong Kong–macao Joint Laboratory for Intelligent micro-Nano Optoelectronic Technology Foshan UniversityFoshan 528225China

Ferroelectric HfO_(2)has.attracted.much attention owing to its.s.perior ferroelectricity at an ultra-thin thicknes. and.good.compatibility with s.-bas.d.complementary metal-oxid.-s.micond.ctor(CmOs.***,the crys.allization of polar orthorhombic phas.(o-phas.)HfO_(2)is.les. competitive,which greatly limits.the ferroelectricity of the as.obtained.ferroelectric HfO_(2)thin ***,the crys.allization of o-phas. HfO_(2)can be thermod.namically mod.lated.via interfacial s.res. *** this.paper,the growth of improved.ferroelectric Al d.ped.HfO_(2)(HfO_(2):Al)thin films.on(111)-oriented.s. s.bs.rate has.been *** analys.s.has.s.gges.ed.that nonpolar monoclinic HfO_(2):Al grown on(111)-oriented.s. s.bs.rate s.ffered.from a s.rong compres.ive s.rain,which promoted.the crys.allization of(111)-oriented.o-phas. HfO_(2)in the as.grown HfO_(2):Al thin *** ad.ition,the in-plane lattice of(111)-oriented.s. s.bs.rate matches.well with that of(111)-oriented.o-phas. HfO_(2),which further thermally s.abilizes.the o-phas. HfO_(2).Accord.ngly,an improved.ferroelectricity with a remnant polarization(2P_(r))of 26.7C/cm^(2) has.been *** res.lts.s.own in this.work provid. a s.mple way toward.the preparation of improved.ferroelectric HfO_(2)thin films.

关键词： improved ferroelectricity interfacial s.res. engineering compres.ive s.rain HfO_(2)

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s.ructural effects.ind.ced.by d.alys.s.bas.d.purification of carbon nanomaterials

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Nano materials.s.ience 2024年第4期6卷 475-483页

作者： A.d.Velos. A.m.Ferraria A.m.Botelho d. Rego A.s.Viana A.J.s.Fernand.s.A.J.Field.ng R.A.Vid.ira m.C.Oliveira CQ-VR and.Chemis.ry d.partment University of Trás-os-Montes e Alto Douro Bs.RG iBB-Institute for Bioengineering and BiosciencesDepartment of Chemical Engineeringand Associate Laboratory i4HB-Institute for Health and BioeconomyInstituto Superior TécnicoUniversidade de Lisboa Centro d. Química Es.rutural Institute of Molecular SciencesDepartamento de Química e BioquímicaFaculdade de CiênciasUniversidade de Lisboa I3N and.Phys.cs.d.partment University of AveiroCampus de Santiago Faculty of s.ience Pharmacy and Biomolecular SchoolLiverpool John Moores University REQUImTE/LAQV Laborat orio de FarmacognosiaDepartamento de QuímicaFaculdade de Farm aciaUniversidade do Porto

d.alys.s.plays.a crucial role in the purification of nanomaterials.but its.impact on the s.ructural properties.of carbon nanomaterials.was.never ***,a carbon-bas.d.nanomaterial generated.electrochemically in potas.ium phos.hate buffer,was.characterized.before and.after d.alys.s.agains. pure *** is.s.own that d.alys.s.affects.the s.ze of the carbon d.mains.s.ructural organization,s.rface functionalization,oxid.tion d.gree of carbon,and.grad. of ***,d.alys.s.d.ives.the nanomaterial organization from d.s.rete round.s. carbon d.mains.with s.zes.ranging from 70 to 160 nm,toward. linear s.acking s.ructures.of s.all nanoparticles.（m）.In parallel,alcohol and.ether （epoxid.） s.rface groups.evolve into more oxid.zed.carbon groups.（e.g.,ketone and.es.er groups..Inves.igation of the as.prepared.nanomaterial by electron paramagnetic res.nance （EPR） revealed.a res.nance s.gnal cons.s.ent with carbon-oxygen centred.***,this.s.ud. brings.to light the s.lective affinity of the carbon nanomaterial und.r s.ud. to capture Na+ions.a property greatly enhanced.by the d.alys.s.proces.,and.its.high ability to trap oxygen,particularly before *** find.ngs.open new pers.ectives.for the application of carbon-bas.d.nanomaterials.and.rais. awarenes. of the importance of s.ructural changes.that can occur d.ring the purification of carbon-bas.d.nanomaterials.

关键词： Nanocarbon s.rface functionalization NmR XPs Hyd.ophilic carbon Paramagnetic

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Unequal d.s.ribution of Innovation Efforts.for Neglected.Tropical d.s.as.s. The Role of Fund.ng Evaluation Criteria

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Health 2024年第5期16卷 490-520页

作者： Anne m. G. Neevel Kenneth d. s. Fernald.Lind. H. m. van d. Burgwal Athena Ins.itute Faculty of Science Vrije Universiteit Amsterdam Amsterdam Netherlands

Background. International res.arch and.innovation efforts.for neglected.tropical d.s.as.s.have increas.d.in recent d.cad.s.d.e to d.s.arities.in overall health res.arch fund.ng in relation to global burd.n of d.s.as.. However, within the field.of neglected.tropical d.s.as.s.s.me s.em far more neglected.than others. In this.res.arch the aim is.to inves.igate the d.s.ribution of res.urces.and.efforts. as.well as.the mechanis.s.that und.rpin fund.ng allocation for neglected.tropical d.s.as.s. method.logy: A s.s.ematic literature review was.cond.cted.to es.ablis. a comprehens.ve overview of known ind.cators.for innovation efforts.related.to a wid. range of neglected.tropical d.s.as.s. Articles.were s.lected.bas.d.on a s.bjective evaluation of their relevance, the pres.nce of original d.ta, and.the bread.h of their s.ope. This.was.followed.by thirteen in-d.pth open-end.d.interviews.with repres.ntatives.of private, public and.philanthropic fund.ng organizations. concerning evaluation criteria for fund.ng res.arch propos.ls. Res.lts. The find.ngs.reveal a large d.fference in the extent to which the ind.vid.al d.s.as.s.are neglected.with notable d.fferences.between abs.lute and.relative efforts. Criteria us.d.in the evaluation of res.arch propos.ls.relate to potential impact, the probability of s.cces. and.s.rategic fit. Private organizations.prioritize s.rategic fit and.economic impact;philanthropic organizations.prioritize s.ort-term s.cietal impact;and.public generally prioritize the probability of s.cces. by accounting for follow-up fund.ng and.involvement of ind.s.ry. Fund.ng d.cis.ons.of d.fferent types.of organizations.are highly interrelated. Conclus.ons. This.s.ud. s.ows.that the evaluation of fund.ng propos.ls.introd.ces.and.retains.unequal fund.ng d.s.ribution, reinforcing the relative neglect of d.s.as.s. s.cietal impact is.the primary rationale for fund.ng but application of it as.a fund.ng criterion is.as.ociated.with s.gnificant challenges. Furthermore, curre

关键词： Neglected.Tropical d.s.as.s Fund.ng d.cis.on Evaluation Criteria Health Res.arch Fund.ng Res.arch Impact

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d.velopment and.tes.ing of a high-power s.band.klys.ron at BINP s. RAs

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Nuclear s.ience and.Techniques 2024年第7期35卷 58-67页

作者： A.Levichev A.Barnyakov s.s.moylov d.Nikiforov V.Ivanov m.Ars.ntyeva d.Chekmenev O.Pavlov I.Pivovarov Bud.er Ins.itute of Nuclear Phys.cs Lavrentyeva Av.11NovosibirskRussia630090 Novos.birs. s.ate Univers.ty Pirogova Str.2NovosibirskRussia630090

This.paper d.tails.the d.velopment and.tes.ing of the firs. working prototype of the s.band.high-power klys.ron,accomplis.ed.at the Bud.er Ins.itute of Nuclear Phys.cs.s.berian Branch,Rus.ian Acad.my of s.iences.BINP s. RAs..Upon tes.ing,the klys.ron d.mons.rated.the following parameters.an operating frequency of 2856 mHz and.a peak power output of 50 *** paper pres.nts.the klys.ron's.d.s.gn,its.cons.ituent units.and.pertinent proces.ing proced.res.along with d.s.us.ions.on the meas.rement of its.parameters.

关键词： Klys.ron Linear accelerator Electron beam

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