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Communications in Computational Physics 2008年第8期4卷 611-623页

作者： v.I.Sotnikov v.v.ivanov R.Presura J.N.Leboeuf O.G.Onishchenko B.v.Oliver B.Jones T.A.Mehlhorn C.Deeney University of Nevada at Reno NV 89523USA JNL Scientific Casa GrandeAZ 85222USA Institute of Physics of Earth 123995MoscowRussia Sandia National Laboratories NM 87123USA Department of Energy WashingtonDC 20585USA

Flute mode turbulence plays an important role in numerous applications,such as tokamak,Z-pinch,space and astrophysical *** a low beta plasma flute oscillations are electrostatic and in the nonlinear stage they produce large scale density structures co-mingling with short scale *** scale structures are responsible for the enhanced transport across the magnetic field and appearance of short scales leads to ion heating,associated with the ion *** the present paper nonlinear equations which describe the nonlinear evolution of the flute modes treated as compressible electromagnetic oscillations in a finite beta inhomogeneous plasma with nonuniform magnetic field are derived and solved *** this purpose the 2D numerical code FLUTE was *** results show that even in a finite beta plasma flute mode instability can develop along with formation of large scale structures co-existing with short scale perturbations in the nonlinear stage.

关键词： Flute instability plasma turbulence nonlinear cascades

Investigation of wire-array Z-pinches by laser probing diagnostics

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Matter and Radiation at Extremes 2019年第1期4卷 7-20页

作者： v.v.ivanov A.A.Anderson D.Papp Department of Physics University of NevadaRenoNevada 89557USA ELI-ALPS ELI-HU Nkft.H-6720 SzegedHungary

Laser diagnostics provides powerful tools for the investigation of dense *** this paper,wire-array Z-pinches are investigated at the 1 MA Zebra generator using laser diagnostics at different wavelengths coupled with x-ray *** dynamics during the ablation,implosion,and stagnation stages are observed by multiframe *** and nonprecursor implosions are studied in wire *** diagnostics allows deep penetration into the Z-pinch plasma at ***-on probing reveals the complicated structure of the *** magnetohydrodynamic instabilities are found in a dense pinch hidden in the trailing ***-scale instabilities are seen in the Z-pinch plasma with micrometer *** of the pinch from four directions shows asymmetrical trailing plasma in some configurations of wire *** rotation diagnostics reveals the magnetic fields and the current distribution in the plasma of the precursor and *** of current in the trailing plasma is seen during kink and sausage instabilities in the stagnation *** formation of micropinches and hot spots in the Z-pinch is analyzed with coupled laser and x-ray *** laser diagnostics allow the study of Z-pinch plasmas in all stages,including fast dynamics and instabilities.

关键词： trail rotation directions

Generation of strong magnetic fields for magnetized plasma experiments at the 1-MA pulsed power machine

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Matter and Radiation at Extremes 2021年第4期6卷 31-42页

作者： v.v.ivanov A.v.Maximov R.Betti L.S.Leal J.D.Moody K.J.Swanson N.A.Huerta Department of Physics University of NevadaRenoNevada 89557USA Laboratory for Laser Energetics University of RochesterRochesterNew York 14623USA Department of Physics and Astronomy University of RochesterRochesterNew York 14623USA Lawrence Livermore National Laboratory LivermoreCalifornia 94550USA

Pulsed power technology provides a platform for investigating plasmas in strong magnetic fields using a university-scale *** here are methods for generating and measuring the 1–4-MG magnetic fields developed for the 1-MA Zebra pulsed power generator at the University of Nevada,Reno.A laser coupled with the Zebra generator produces a magnetized plasma,and experiments investigate how a megagauss magnetic field affects the two-plasmon decay and the expansion of the laser-produced plasma in both transverse and longitudinal magnetic fields.

关键词： magnetic generator fields

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铁甲列车 1

铁甲列车

1950年

作者：（俄）伊凡诺夫（v.v.ivanov）撰罗稷南译

来源：汇雅图书（南通市图书馆... 评论

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C_p/CuCd电接触材料制备工艺的研究

电工合金 2000年第3期 25-33页

作者：邵文柱崔玉胜王岩谷文伟杨德庄 v.v.ivanov 哈尔滨工业大学材料学院 150001 俄罗斯克拉斯诺雅尔斯克国立大学固体物理研究所 660022

本文系统研究了在 Cp/ Cu Cd电接触材料制备过程中 ,原始粉末状态、压制压力、烧结温度等工艺参数对材料相对密度的影响。结果表明 ,原始粉末的差异对制备工艺的全过程均产生规律性的影响。压制压力对压坯密度的影响符合粉末冶金材料的... 详细信息

本文系统研究了在 Cp/ Cu Cd电接触材料制备过程中 ,原始粉末状态、压制压力、烧结温度等工艺参数对材料相对密度的影响。结果表明 ,原始粉末的差异对制备工艺的全过程均产生规律性的影响。压制压力对压坯密度的影响符合粉末冶金材料的一般压制规律。在烧结过程中 ,镉和孔隙扩散对烧结密实化过程起着重要作用。通过组织和性能对比 ,分析了后续加工工艺方法的优缺点。

关键词：电接触材料压制烧结扩散制备工艺

Development and testing of a high-power S-band klystron at BINP SB RAS

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Nuclear Science and Techniques 2024年第7期35卷 58-67页

作者： A.Levichev A.Barnyakov S.Samoylov D.Nikiforov.v.ivanov M.Arsentyeva D.Chekmenev O.Pavlov I.Pivovarov Budker Institute of Nuclear Physics Lavrentyeva Av.11NovosibirskRussia630090 Novosibirsk State University Pirogova Str.2NovosibirskRussia630090

This paper details the development and testing of the first working prototype of the S-band high-power klystron,accomplished at the Budker Institute of Nuclear Physics,Siberian Branch,Russian Academy of Sciences(BINP SB RAS).Upon testing,the klystron demonstrated the following parameters:an operating frequency of 2856 MHz and a peak power output of 50 *** paper presents the klystron's design,its constituent units,and pertinent processing procedures,along with discussions on the measurement of its parameters.

关键词： Klystron Linear accelerator Electron beam

Expanded Porphyrin Exhibiting Off-Centered Out-of-Plane Coordination to Dysprosium

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CCS Chemistry 2024年第7期6卷 1731-1738页

作者： Dmitry I.Nazarov Jorge Labella Alexey v.Kuzmin Maxim A.Faraonov Evgenii N.ivanov Salavat S.Khasanov Tomas Torres Mikhail K.Islyaikin Dmitri v.Konarev Federal Research Center of Problems of Chemical Physics and Medicinal Chemistry RAS 142432 Chernogolovka Department of Organic Chemistry Universidad Autonoma de Madrid28049 Madrid Institute of Solid-State Physics RAS 142432 Chernogolovka Research Institute of Macroheterocycles Ivanovo State University of Chemistry and Technology15300 Ivanovo G.A.Krestov Institute of Solution Chemistry of the Russian Academy of Sciences 153045 Ivanovo Institute for Advanced Research in Chemical Sciences Universidad Autonoma de Madrid28049 Madrid IMDEA-Nanociencia 28049 Madrid

The complexation of high-spin lanthanides to porphyrinoids is a powerful strategy for the development of advanced molecular *** this context,the use of expanded porphyrinoids remains elusive since their coordination chemistry is challenging to ***,taking inspiration from on-surface chemistry,we explored the coordination of Dy^(3+)to a six-membered porphyrinoid,namely,the hemihexaphyrazine ***,we observed the selective formation of a mono-nuclear off-centered,out-of-plane H_(2)Hhp-Dy^(3+)complex when performing the complexation under reductive *** this reaction,the oxidation state of the macrocycle did not *** X-ray diffraction analysis,we found that the coordination number of Dy in this complex was *** macrocycle cocrystallized with decamethylcobaltocene(Cp_(2)^(*)Co)molecules,giving rise to a wellordered solid-state packing,governed byπ-π*** a result of this organization,a small magnetic coupling between the neighboring molecules was *** in all,this work provides key insights into the coordination of magnetically active metals with expanded porphyrinoids,thus motivating the development of advanced spintronic devices.

关键词： porphyrins dysprosium macrocycle coordination chemistry magnetism

Results of the Main Phase of Ion Separation in the Process of Plasma-Optical Mass Separation

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Plasma Science and Technology 2015年第10期17卷 862-868页

作者： v.M.BARDAKOv S.D.ivanov A.v.KAZANTSEv N.A.STROKIN Institute for Physics and Technology Irkutsk State Technical University

This paper presents separation results of a mixture of nitrogen, argon and krypton ions in the process of plasma-optical mass separation on the POMS-E-3 separator model. We determined the behavior of the separation with a change in the value of magnetic field induction in the azimuthator and in the degree of compensation of the spatial charge in ion flows. An analysis is performed for experimental data by correlation with the results of a theoretical study and numerical experiments. The objectives of future experiments are outlined.

关键词： plasma-optical mass separation plasma accelerator trajectories spatial charge

Anomalous acceleration of ions in a plasma accelerator with an anodic layer

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Plasma Science and Technology 2018年第3期20卷 95-105页

作者： v M BARDAKOv S D ivanov A v KAZANTSEv N A STROKIN A N STUPIN Binhao JIANG Zhenyu WANG Irkutsk State Transport University Chernyshevsky Str.15664074IrkutskRussia National Research Irkutsk Technical University Lermontova Str.83664074IrkutskRussia Department of Electrical Engineering Harbin Institute of TechnologyHarbin 150001People's Republic of China

In a plasma accelerator with an anodic layer(PAAL),we discovered experimentally the effect of‘super-acceleration'of the bulk of the ions to energies W exceeding the energy equivalent to the discharge voltage v_(d).The E×B discharge was ignited in an environment of atomic argon and helium and molecular *** charged argon ions were accelerated most effectively in the case of the largest discharge currents and pressure P of the working *** ions with W〉ev_(d)(e being the electron charge)were only recorded at maximum *** nitrogen was not accelerated to energies W〉e v_(d).Anomalous acceleration is realized in the range of radial magnetic fields on the anode 2.8×10^(–2)≤B_(rA)≤4×10^(–2)*** was also found analytically that the cathode of the accelerator can receive anomalously accelerated *** this case,the value of the potential in the anodic layer becomes higher than the anode potential,and the anode current exceeds some critical *** modeling in terms of the developed theory showed qualitative agreement between modeling data and measurements.

关键词： plasma sources particle orbit and trajectory particle measurements

Effect of Surface Layer Structural-Phase Modification on Tribological and Strength Properties of a TiC–(Ni–Cr) Metal Ceramic Alloy

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Acta Metallurgica Sinica(English Letters) 2018年第5期31卷 547-551页

作者： Bao-Hai Yu v.E.Ovcharenko K.v.ivanov A.A.Mokhovikov Yan-Hui Zhao Institute of Metal Research Chinese Academy of Sciences Shenyang 110016 China Tomsk Polytechnic University Tomsk 634050 Russia Institute of Strength Physics and Materials Science Siberian Branch of the Russian Academy of Sciences Tomsk 634021Russia

This paper reports TiC–（Ni–Cr） metal ceramic alloy（ratio of components 50：50） with nanoscaled components formed in the surface layer and smoothly transformed into the initial inner structure throughout the material under pulsed electron irradiation of the alloy surface. Principal changes in the surface layer are ascribed to the formation of gradient structure leading to the increase in wear resistance of the surface layer, drop of friction coefficient and improvement of specimen bending resistance when stressing on the irradiated surface side. The above changes of tribological and strength properties in the surface layer under pulsed electron irradiation become more apparent with increasing atomic mass of a plasma-forming inert gas.

关键词： Metal ceramic alloy Particle-reinforced composite Interphase boundaries Tribological behavior Bending strength Electron beam treatment