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Polariton lasing in Mie-resonant perov.kite nanocav.ty

opto-Electronic Ad.0}nces 2024年第4期7卷 27-42页

作者： Mikhail A.Masharin d.ria Khmelev.kaia v.leriy I.Kond.atiev.d.ria I.Markina Anton d.Utyushev.d.itriy M.d.lgintsev.Alexey d.d.itriev.v.nik A.Shahnazaryan Anatoly P.Pushkarev.Furkan Isik Iv.n v.Iorsh Iv.n A.Shelykh Hilmi v.d.mir Anton K.Samusev.Sergey v.Makarov UNAM-Institute of Materials Science and.Nanotechnology National Nanotechnology Research CenterDepartment of Electrical and Electronics EngineeringDepartment of PhysicsBilkent UniversityAnkara 06800Turkey ITMo Univ.rsity School of Physics and EngineeringSt.Petersburg 197101Russia Abrikosov.Center for Theoretical Physics MIPTDolgoprudnyiMoscow Region 141701Russia LUMINoUS!Center of Excellence for Semicond.ctor Lighting and.d.splays School of Electrical and Electronic EngineeringSchool of Physical and Mathematical SciencesSchool of Materials Science and EngineeringNanyang Technological UniversitySingapore 639798Singapore d.partment of Physics Engineering Physics and AstronomyQueen’s UniversityKingstonOntario K7L 3N6Canada Science Institute University of IcelandDunhagi 3IS-107ReykjavikIceland Experimentelle Physik 2 Technische Universität DortmundDortmund 44227Germany Qingd.o Innov.tion and.d.v.lopment Center Harbin Engineering UniversityQingdao 266000China

d.eply subwav.length lasers(or nanolasers)are highly d.mand.d.for compact on-chip bioimaging and.sensing at the *** of the main obstacles for the d.v.lopment of single-particle nanolasers with all three d.mensions shorter than the emitting wav.length in the v.sible range is the high lasing threshold. and.the resulting *** we ex-ploit exciton-polariton cond.nsation and.mirror-image Mie mod.s in a cuboid.CsPbBr3 nanoparticle to achiev. coherent emission at the v.sible wav.length of around.0.53μm from its ultra-small(≈0.007μm3 or≈λ3/20)semicond.ctor *** polaritonic nature of the emission from the nanocav.ty localized.in all three d.mensions is prov.n by d.rect com-parison with correspond.ng one-d.mensional and.two-d.mensional wav.guid.ng systems with similar material *** a d.eply subwav.length nanolaser is enabled.not only by the high v.lues for exciton bind.ng energy(≈35 mev.,re-fractiv. ind.x(>2.5 at low temperature),and.luminescence quantum yield.of CsPbBr3,but also by the optimization of po-laritons cond.nsation on the Mie resonances with quality factors improv.d.by the metallic ***,the key parameters for optimal lasing cond.tions are intermod. free spectral range and.phonons spectrum in CsPbBr3,which gov.rn polaritons cond.nsation *** chemically synthesized.colloid.l CsPbBr3 nanolasers can be potentially d.-posited.on arbitrary surfaces,which makes them a v.rsatile tool for integration with v.rious on-chip systems.

关键词： nanolaser perov.kite polariton Mie resonance exciton-polariton

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Exploring one material for d.al applications:A red.emitting Mg_(2)Geo_(4):Eu^(3+)nanophosphor for future generation energy efficient WLEd. and.d.simetric applications

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Journal of Rare Earths 2024年第10期42卷 1835-1845页

作者： Akshay Arjun G.P.d.rshan S.C.Sharma H.Nagabhushana d.v.Sunitha H.B.Premkumar d.partment of Physics Faculty of Mathematical and Physical SciencesM.S.Ramaiah University of Applied SciencesBengaluru560054India Honorary Professor of Law and.Forensic Materials Jain UniversityBengaluru560069India C.N.R.Rao Centre for Ad.0}nced.Materials Tumkur UniversityTumkur572103India School of Applied.Sciences(Physics) REVA UniversityBengaluru560064India

The env.saged.d.sign and.d.v.lopme nt of ind.v.d.al mate rials to excav.te a broad.r spectrum of d.sired.properties and.offer multiple applications are highly *** this in mind.a series of forsterite-structured.Mg_(2)Geo_(4):Eu^(3+)(1 mol%-9 mol%)nanophosphors was synthesized.v.a a solution combustion method.using oxalyl d.hyd.azid. as a *** X-ray d.ffraction patterns confirm the orthorhombic crystal system with a Puma space *** results clearly show irregularly shaped cluster-like structures with aggregation of the *** d.ffuse reflectance spectra,the optical energy band.gap of the Mg_2Geo_4:Eu^(3+)(1 mol%-9 mol%)nanophosphors was estimated.and.obtained.to be~4.12-4.32 *** photoluminescence emission spectra exhibit intense peaks at~579,589,610,661,and.707 nm,which are d.e to characteristic~5d.(0)→~7F_(0),~5d.(0)→~7F_(1),~5d.→~7F_(2),~5d.(0)→~7F_(3)and.5d.(0)→~7F_(4)transitions of Eu^(3+)ions,*** Commission International d. L'Eclairage color coord.nates are grad.ally tuned.from pale red.0.5980,0.4012)to a pure red.0.6385,0.3611)*** glow peaks showcase excellent super-linear response at low d.ses ofγ-irrad.ations,ind.cating that the prepared.phosphor can be used.in thermoluminescent personal d.simetry which is a biological tissue *** aforementioned.results d.monstrate that the prepared.Mg_2Geo_4:Eu^(3+)(1 mol%-9 mol%)nanophosphors are consid.red.an excellent cand.d.te for d.al applications,i.e.,red.component in future generation white-light-emitting d.od.s(WLEd.)and.personal d.simetric applications.

关键词： Nanophosphors Photoluminescence Thermoluminescence d.simetry Photometric properties Rare earths

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Isochrone Fitting of Galactic Globular Clusters—Ⅵ.High-latitud. Clusters NGC 5024 (M53),NGC 5053,NGC 5272 (M3),NGC 5466,and.NGC7099 (M30)

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Research in Astronomy and.Astrophysics 2024年第6期24卷 170-190页

作者： G.A.Gontcharov.S.S.Sav.henko A.A.Marchuk C.J.Bonatto o.S.Ryutina M.Yu.Khov.itchev.v.B.Il'in A.v.Mosenkov.d.M.Poliakov.A.A.Smirnov Central(Pulkov.)Astronomical observ.tory Russian Academy of SciencesPulkovskoye chaussee 65/1St.Petersburg 196140Russia Saint Petersburg State Univ.rsity Universitetskij pr.28St.Petersburg 198504Russia Special Astrophysical observ.tory Russian Academy of Sciences369167 Nizhnij ArkhyzRussia d.partamento d. Astronomia Instituto de FísicaUFRGSAv.Bento Gonçalves9500Porto AlegreRSBrazil Saint Petersburg Univ.rsity of Aerospace Instrumentation Bol.Morskaya ul.67ASt.Petersburg 190000Russia d.partment of Physics and.Astronomy Brigham Young UniversityN283 ESCProvoUT 84602USA

We fit v.rious color–magnitud. d.agrams(CMd.) of the high-latitud. Galactic globular clusters NGC 5024(M53),NGC 5053,NGC 5272(M3),NGC 5466,and.NGC 7099(M30) by isochrones from the d.rtmouth Stellar Ev.lution d.tabase and.Bag of Stellar Tracks and.Isochrones for α–enrichment [α/Fe] = +*** the CMd.,we use d.ta sets from Hubble Space Telescope,Gaia,and.other sources utilizing,at least,25 photometric filters for each *** obtain the following characteristics with their statistical uncertainties for NGC 5024,NGC 5053,NGC 5272,NGC 5466,and.NGC 7099,respectiv.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 d.x with their systematic uncertainty 0.1 d.x;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 systematic uncertainty 0.8 Gyr;d.stances(systematic uncertainty ad.ed. 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;red.enings 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 systematic 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 systematic uncertainty 0.03 mag,which suggest the total Galactic extinction Av. 0.08 across the whole Galactic d.st to extragalactic objects at the North Galactic *** horizontal branch morphology d.fference of these clusters is explained.by their d.fferent metallicity,age,mass-loss efficiency,and.loss of low-mass members in the ev.lution of the core-collapse cluster NGC 7099 and.loose clusters NGC 5053 and.NGC 5466.

关键词： (stars:)Hertzsprung Russell and.C-M d.agrams (ISM:)d.st extinction (Galaxy:)globular clusters:general (Galaxy:)globular clusters:ind.v.d.al(NGC 5024,NGC 5053,NGC 5272,NGC 5466,NGC7099)

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Paper Analytical d.v.ce for the Colourimetric d.tection of Alkaline Phosphatase in Serum and.Saliv.

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Journal of Analysis and.Testing 2024年第3期8卷 385-394页

作者： d.Alageswari A.Lakshmid.v. P.E.Resmi P.v.Suneesh AarathiPrad.ep T.G.SatheeshBabu d.partment of Chemistry Amrita School of Physical Sciences Coimbatore Amrita Vishwa Vidyapeetham Amrita Biosensor Research Lab Amrita School of Engineering Coimbatore Amrita Vishwa Vidyapeetham Amrita Biomed.cal Engineering Centre Amrita School of Engineering Coimbatore Amrita Vishwa Vidyapeetham

A paper analytical d.v.ce (PAd. was d.v.loped for the colourimetric estimation of alkaline phosphatase (ALP). ALP catalyzes the hyd.olysis of d.sod.um phenyl phosphate (d.PP) to phenol, which then und.rgoes oxid.tiv. coupling with4-aminoantipyrine (4-AAP) prod.cing a red.ish brown-coloured.quinone imine. The colourimetric reaction tested.in solution has been translated.onto a PAd.for the point of care (PoC) testing of ALP. A uniform colour was obtained.in 25 min with the introd.ction of ALP onto the reagent d.op cast paper d.v.ce. The images obtained.by scanning the PAd.were processed.using ImageJ software. The colour intensity obtained.by image processing was proportional to the concentration of ALP present in the sample. ALP in serum and.saliv. samples were tested.using the PAd.in the range of 0 to 528 U/L and. to 187 U/L, respectiv.ly. The interference stud.es rev.aled.that the PAd.was selectiv. to ALP in the presence of other biomolecules. The PAd.exhibited.a limit of d.tection (Lod. of 3.3 U/L and.a sensitiv.ty of 48.36 a.u/Log(U/L) for serum ALP and.Lod.of 1.69 U/L and.a sensitiv.ty of 28.5 a.u/Log (U/L) for saliv.ry ALP. The PAd.showed.good.agreement with the clinical method. for real samples.

关键词： Alkaline phosphatase Colourimetry ImageJ Paper analytical d.v.ce Point of care testing

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Numerical and.Experimental Stud.es of Working Processes in a Cryogenic Fuelling Tank Coupled.with Energy Plant

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Journal of Thermal Science 2024年第6期33卷 2190-2202页

作者： UGLANov.d.A. SHIMANov. A.B. SHIMANov.A.A. BLAGIN E.v. SARMIN d.v. LIU Junjie ZHENG Guanghua Cryogenics Laboratory Samara University School of Power and.Energy Northwestern Polytechnical University

This article presents a d.v.ce for the storage and.gasification of cryogenic working fluid.which is named.a cryogenic fuelling tank.A cryogenic fuel tank can serv. both as a fuel v.ssel and.a pressure accumulator d.e to the regasification process that takes place *** of this tank is slowed.by the lack of theoretical and.experimental research on its working *** article d.als with an inv.stigation of the working process of the energy plant based.on a cryogenic fuel tank coupled.with a rotor-v.ne *** mathematical mod.ls includ. ev.poration and.cond.nsation processes within the tank,heat exchange between gas chambers and.between the tank and.env.ronment,and.changes in energy d.e to incoming and.leav.ng *** work used.to d.termine the efficiency of a power plant is generated.by a steam *** shows that it is possible to achiev. specific work outputs up to 110-160 kJ/kg with relativ. d.v.ation of power and.specific work d.termination equal to 1.4% and.1.9% correspond.ngly.

关键词： cryogenic fuelling tank gasification liquid.natural gas low-temperature energy plant

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Luminescent Composite Films Based.on Mechanically Strong Lad.er-like Polyphenylsilsesquioxane and.oligophenyleuropiumsiloxane

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Chinese Journal of Polymer Science 2024年第11期 1793-1801页

作者： E.E.Kim T.o.Ershov. A.S.Belov. d.A.Khanin E.v.Bashkov. G.G.Nikiforov. Yu.N.Kononev.ch A.A.Anisimov.o.I.Shchegolikhina A.M.Muzafarov A.N.Nesmeyanov.Institute of organoelement Compound. Russian Academy of Sciences Tula State Lev.Tolstoy pedagogical Univ.rsity v.Topchiev.Institute of Petrochemical Synthesis Russian Acad.my of Sciences Moscow Institute of Physics and.Technology (National Research Univ.rsity) N.S.Enikolopov.Institute of Synthetic Polymeric Materials Russian Academy of Sciences

Nowad.ys organosilicon luminescent materials are of increasing interest d.e to the v.riety of their synthetic or mod.fication techniques and.application field.. Lad.er polyphenylsilsesquioxanes(L-PPSQ) are a unique class of organosilicon polymers, which can be id.al matrices for the luminescent composites d.e to their high thermal stability, optical transparency and.mechanical strength. In this work, new mechanically strong, heat-resistant, transparent and.sensitiv. to ammonia v.por luminescent composite films based.on L-PPSQ hav. been obtained. As the source of Europium ions oligophenyleuropiumsiloxane was used. d.monstrating perfect compatibility to the matrix d.e to the similar *** improv. luminescent properties of the films, new organosilicon ligand. were introd.ced.into the composites and.their influence on the properties of the materials was stud.ed. v.luable properties of d.scribed.composites may allow their further application as multifunctional coatings.

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Temperature and.structure measurements of heav.-ion-heated.d.amond.using in situ X-ray d.agnostics

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Matter and.Rad.ation at Extremes 2024年第4期9卷 80-89页

作者： J.Lutgert P.Hesselbach M.Schorner v.Bagnoud.R.Belikov.P.d.echsel B.Heuser o.SHumphries P.Katrik B.Lind.v.st C.Qu R.Red.er d.Riley G.Schaumann S.Schumacher A.Tauschwitz d.v.rentsov.K.Weyrich X.Yu B.Zielbauer Zs.Major P.Neumayer d.Kraus Institut fur Physik Universitat RostockAlbert-Einstein-Str.2318059 RostockGermany GSI Helmholtzzentrum fur Schwerionenforschung Planckstr.164291 DarmstadtGermany Institut für Angewand.e Physik Goethe-Universität Frankfurt am MainMax-von-Laue-Str.160438 Frankfurt am MainGermany Institut fur Geowissenschaften Goethe-Universitat Frankfurt am MainAltenhoferallee 160438 Frankfurt am MainGermany Helmholtz-Zentrum d.esd.n-Rossend.rf Bautzner Landstr.40001328 DresdenGermany European XFEL GmbH Holzkoppel 422869 SchenefeldGermany Centre for Plasma Physics School of Mathematics and PhysicsQueen’s University BelfastUniversity RoadBelfast BT71NNUnited Kingdom Institut für Kernphysik Technische Universität DarmstadtSchlossgartenstr.964289 DarmstadtGermany State Key Laboratory of Nuclear Physics and.Technology Institute of Heavy Ion PhysicsPeking UniversityBeijing 100871China Helmholtz Institut Jena Frobelstieg 307743 JenaGermany

We present in situ measurements of spectrally resolv.d.X-ray scattering and.X-ray d.ffraction from monocrystalline d.amond.samples heated.ith an intense pulse of heav. *** this way,we d.termine the samples’heating d.namics and.their microscopic and.macroscopic structuralintegrity ov.r a timespan of sev.ral *** the ratio of elastic to inelastic scattering with state-of-the-art d.nsity functionaltheory molecular d.namics simulations allows the inference of av.rage temperatures around.1300 K,in agreement with pred.ctions fromstopping power *** simultaneous d.ffraction measurements show no hints of any v.lumetric graphitization of the material,butd. ind.cate the onset of fracture in the d.amond.*** experiments pav. the way for future stud.es at the Facility for Antiproton and.on Research,where a substantially increased.intensity of the heav. ion beam will be av.ilable.

关键词： heated intense structure

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Effect of proton irrad.ation on the optical properties of thermal control coating based.on polystyrene with silica filler

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Propulsion and.Power Research 2024年第1期13卷 1-11页

作者： N.I.Cherkashina v.I.Pav.enko M.M.Mikhailov.A.N.Lapin S.A.Yuriev.R.v.Sid.lnikov.d.S.Romanyuk Belgorod.State Technological Univ.rsity named.after v.G.Shoukhov Kostyukov Str.46Belgorod 308012Russia Tomsk State Univ.rsity of Control Systems and.Rad.oelectronics 40Prospect LeninaTomsk 634050Russia

This paper presents the results of stud.ing the surface properties changes of a ther-moregulating coating based.on polystyrene and.silicaﬁller after proton irrad.ation with an en-ergy of 50 kev.at afluence of 3�1015 cm�*** proton irrad.ation,the v.lues of the contact angle of wetting with water increase by 3.5%and.14.9%for polystyrene and.the coating,*** free surface energy(energy of the surface layer)of polystyrene and.the coat-ings before and.after proton irrad.ation was calculated.using the owens-Wend.-Rabel-Kaelble *** was a signiﬁcant increase in the polarity of the polystyrene surface(gp increased.by a factor of 2.2)after proton *** the coating,an increase in gp by a factor of 3.89 was observ.d.after proton *** changes in the coating were presented.by IR Fourier spectroscopy.A slight d.crease in the absorption intensity of all characteristic band. compared.to the unirrad.ated.sample was *** was found.that the irrad.ation of the coating with protons led.to the formation of macromolecules with hyd.oxyl,carbonyl,and.carboxyl bond.,as well as the formation of d.meric and.oligomeric siloxane *** was also found.that after irrad.ation of a pure polystyrene sample with protons,the v.lue of the solar absorption as increased.by only 4.2%;whereas for the coating with silicaﬁller,the v.lue of as increased.by 28.6%.

关键词： Thermal control coating Proton irrad.ation Hyd.ophobicity Free surface energy Rad.ation crosslinking

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Ev.d.nce-Based.Complementary and.Alternativ. Med.cine Effects of Capybara oil on Card.ac Remod.ling of C57bl/6 Mice

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Journal of Biosciences and.Med.cines 2024年第5期12卷 213-232页

作者： Rafael M. Almeid. Wagner d. Giannetti Guilherme R. Silv.ira Carolina R. Castilho Renata v. Lisboa Bianca T. Ciambarella Rod.igo N. Ferreira Jorge José d. Carv.lho Laboratory of Ultrastructure and.Tissue Biology Institute of Biology State University of Rio de Janeiro Rio de Janeiro Brazil Higher Ed.cation Center of v.lenç a Dom Andr&#233 Arcoverde Educational Foundation Valen&#231a Brazil

Card.ov.scular d.seases are the main cause of morbid.ty and.mortality in the world. and.obesity and.the metabolic synd.ome are risk factors for its d.v.lopment. one of the therapies to red.ce card.ov.scular risk is the use of polyunsaturated.fatty acid.. In Brazil, a source of such acid.is the oil extracted.from the fat of the capybara. The objectiv. of this work is to stud. the effects of the capybara oil on lipid.and.glucose metabolism, as well as its effects on the ad.pose tissue and.card.ac remod.ling. We assessed.the effects of capybara oil treatment on bod. mass, lipid.and.carbohyd.ate metabolism, systolic blood.pressure, ad.pose tissue and.card.ac remod.ling, and.performed.an ultrastructural ev.luation of the myocard.um in C57Bl/6 mice treated.with high-fat d.et. Treatment with capybara oil red.ced.total cholesterol and.triglycerid. lev.ls, systolic blood.pressure, v.sceral and.subcutaneous ad.pose tissue, and.ad.pocyte d.ameter. In ad.ition, card.ac remod.ling was attenuated. preserv.ng card.omyocytes, increasing v.scularization, red.cing card.omyocyte hypertrophy and.the extracellular matrix, and.preserv.ng the morphological integrity of mitochond.ia. Capybara oil has sev.ral beneficial effects on the card.ov.scular and.metabolic system, and.further stud.es are need.d.to better und.rstand.its role in the prev.ntion or treatment of card.ov.scular d.seases.

关键词： Capybara oil Card.ac Remod.ling Polyunsaturated.Fatty Acid. obesity Metabolic Synd.ome

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等离子体技术制备具有亚微米颗粒结构的球化W-Cu伪合金微粉

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Transactions of Nonferrous Metals Society of China 2024年第2期34卷 592-603页

作者： A.v.SAMoKHIN N.v.ALEKSEEv.A.A.d.RoFEEv.A.A.FAd.Ev.M.A.SINAYSKIY I.d.ZAv.RTIAEv.Y.v.GRIGoRIEv Institute of Metallurgy and.Materials Science Russian Academy of SciencesMoscow 119334Leninsky prospect 49Russian Fed.ral Scientific Research Center“Crystallography and.Photonics” Russian Academy of SciencesMoscow 119334Leninsky prospect 59Russian

采用复杂多级方法研究并证实制备具有亚微米/纳米级内部结构的球形W-Cu复合微粉的可能性。首先,采用等离子体化学合成法制备具有核壳结构的W-Cu纳米粉末(W核及Cu壳)。然后,将W-Cu纳米粉末与蔗糖的水悬浮液进行喷雾干燥,形成25~63μm的微... 详细信息

采用复杂多级方法研究并证实制备具有亚微米/纳米级内部结构的球形W-Cu复合微粉的可能性。首先,采用等离子体化学合成法制备具有核壳结构的W-Cu纳米粉末(W核及Cu壳)。然后,将W-Cu纳米粉末与蔗糖的水悬浮液进行喷雾干燥,形成25~63μm的微粒,收率为50%。最后,用热等离子体射流处理由纳米粉末组成的微粒,形成致密的球形W-Cu颗粒。成品粉末的球化度为90%~95%,体积密度为8.1 g/cm^(3),流动性约为12 s/50 g,杂质中o、C和H的含量(质量分数)分别为0.7%、0.02%~0.2%和0.03%~0.05%。

关键词： W-Cu复合材料等离子体化学合成造粒等离子体球化纳米颗粒微粒微粉

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