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检索条件"作者=v.s.egorkin"
24979 条 记 录,以下是61-70 订阅
排序:
A spectral Atlas of F and G stars
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Chinese Journal of Astronomy and Astrophysics 2004年 第3期4卷 279-283页
作者: v.G.Klochkova GangZhao v.E.Panchuk s.v.Ermakov NationalAstronomicalObservatories ChineseAcademyofSciencesBeijing100012 specialAstrophysicalObservatoryRussianAcademyofsciences NizhnijArkhyzKarachai-Cherkessia369167Russia
We present an atlas of a group of bright stars in the range of spectral classes F–G and luminosity classes I–v. The spectra were obtained with spectral resolution R ~ 15 000 within spectral region 4500–6620?. Typic... 详细信息
来源: 维普期刊数据库 维普期刊数据库 同方期刊数据库 同方期刊数据库 评论
Toluene Alkylation with Methanol to p-Xylene over Heteropoly Acids supported by Clay
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Journal of Natural Gas Chemistry 2007年 第1期16卷 42-45页
作者: v.v.Bokade s.s.Deshpande R.Patil s.Jain G.D.Yadav Catalysis Division National Chemical LaboratoryPune-411008India University Institute of Chemical Technology Mumbai-19India
The alkylation of toluene with methanol for the selective formation of p-xylene was systematically studied. very few studies have been reported on the use of superacids such as heteropolyacids on cheap supports, such ... 详细信息
来源: 维普期刊数据库 维普期刊数据库 同方期刊数据库 同方期刊数据库 评论
Merging bound states in the continuum in an open acoustic resonator
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science China(Physics,Mechanics & Astronomy) 2025年 第1期Mechanics & Astronomy) .卷 124-131页
作者: Lujun Huang Bin Jia Artem s.Pilipchuk sibo Huang Chen shen Almas F.sadreev Yong Li Andrey E.Miroshnichenko school of Physics and Electronic sciences East China Normal University Institute of Acoustics Tongji University L.v.Kirensky Institute of Physics Department of Mechanical Engineering Rowan University school of Engineering and Technology University of New South Wales at Canberra
Bound states in the continuum (BICs) are perfectly localized resonances despite embedding in the continuum ***,an isolated BIC is very sensitive to the structure ***,we report merging acoustic BICs in a single open ... 详细信息
来源: 同方期刊数据库 同方期刊数据库 评论
Grain boundary effect on structural, optical, and electrical properties of sol-gel synthesized Fe-doped snO_(2) nanoparticles
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Chinese Physics B 2021年 第4期30卷 555-564页
作者: Archana v Lakshmi Mohan Kathirvel P saravanakumar s Department of sciences Amrita School of EngineeringCoimbatoreAmrita Vishwa VidyapeethamIndia Research and Development Center Bharathiar UniversityCoimbatore-641046TamilnaduIndia GRD Center for Materials Research Department of PhysicsP S G College of TechnologyCoimbatore-641004TamilnaduIndia Department of Physics N S S CollegePandalam-689501KeralaIndia
Tin oxide(snO_(2)) and iron-doped tin oxide(sn_(1-x)Fe_(x)O_(2),x=0.05 wt%,0.10 wt%) nanoparticles are synthesized by the simple sol-gel *** structural characterization using x-ray diffraction(XRD) confirms tetragonal... 详细信息
来源: 维普期刊数据库 维普期刊数据库 同方期刊数据库 同方期刊数据库 评论
Multifunctional A356 alloy/PKsAnp composites:Microstructure and mechanical properties
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Defence Technology(防务技术) 2020年 第3期16卷 731-736页
作者: v.s.Aigbodion I.C.Ezema Department of Metallurgical and Materials Engineering University of NigeriaNsukkaNigeria
Mechanical properties and microstructure of multifunctional composites produced with palm kernel shell ash nano particle(PKsAnp)-A356 alloy composites was *** composites were produced using Double layer feeding stir c... 详细信息
来源: 维普期刊数据库 维普期刊数据库 同方期刊数据库 同方期刊数据库 评论
structural evolution-enabled BiFeO3 modulated by strontium doping with enhanced dielectric,optical and superparamagnetic properties by a modified sol-gel method
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Chinese Physics B 2023年 第3期32卷 521-530页
作者: sharon v s veena Gopalan E Malini K A Department of Physics vimala College Thrissur-9 KeralaIndia
Multiferroic(BFO)nanoparticles doped with strontium with the general formula Bi1-xsrx FeO3(x=0,0.3,0.5,0.7)were synthesized using a modified sol-gel auto-combustion *** structural,electrical,optical,and magnetic prope... 详细信息
来源: 维普期刊数据库 维普期刊数据库 同方期刊数据库 同方期刊数据库 评论
Main Directions and Recent Test Modeling Results of Lithium Capillary-Pore systems as Plasma Facing Components
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Plasma science and Technology 2004年 第3期6卷 2291-2295页
作者: v.A.Evtikhin I.E.Lyublinski A.v.vertkov E.A.Azizov s.v.Mirnov v.B.Lazarev s.M.sotnikov v.M.safronov A.s.Prokhorov v.M.Korzhavin FsUE "Red star"-"Prana-Center" Co Moscow Russian FsUE TRINITI Troitsk Moscow region Russian Federation RF Ministry for Atomic Energy Moscow
At present the most promising principal solution of the divertor problemappears to be the use of liquid metals and primarily of lithium Capillary-Pore systems (CPs) as ofplasma facing materials. A solid CPs filled wit... 详细信息
来源: 维普期刊数据库 维普期刊数据库 同方期刊数据库 同方期刊数据库 评论
Karite-diamond fossil:A new type of natural diamond
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Geoscience Frontiers 2020年 第4期11卷 1163-1174页
作者: T.G.shumilova v.v.Ulyashev v.A.Kazakov s.I.Isaenko s.A.svetov s.Yu.Chazhengina N.s.Kovalchuk Institute of Geology of Komi scientific Centre of the Ural Branch of the Russian Academy of sciences Pervomayskaya St.54Syktyvkar167982Russia Hawaii Institute of Geophysics and Planetology University of Hawaii at Manoa1680 East-West RoadHonoluluHI96822USA ssC FsUE Keldysh Research Centre Onezhskaya8125438MoscowRussia Institute of Geology of the Karelian Research Centre of the Russian Academy of sciences Petrozavodsk11 Pushkinskaya StreetRussia
Impact diamond is one of perspective natural type of superhard carbon materials,forming huge resources sometimes,such as Popigai impact structure counting the largest diamond storage on the *** present,there are two k... 详细信息
来源: 维普期刊数据库 维普期刊数据库 同方期刊数据库 同方期刊数据库 评论
Cross-method Analysis of Corotation Radii Data set for spiral Galaxies
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Research in Astronomy and Astrophysics 2024年 第7期24卷 95-110页
作者: v.s.Kostiuk A.A.Marchuk A.s.Gusev sternberg Astronomical Institute Lomonosov Moscow State UniversityUniversitetsky pr.13119234 MoscowRussia Central(Pulkovo)Astronomical Observatory Russian Academy of SciencesPulkovskoye chaussee 65/1196140 St.PetersburgRussia saint Petersburg state University Universitetsky pr.28198504 St.PetersburgRussia
A corotation radius is a key characteristic of disk galaxies that is essential to determine the angular speed of the spiral structureΩ_p,and therefore understand its *** the literature,there are plenty of methods to ... 详细信息
来源: 维普期刊数据库 维普期刊数据库 同方期刊数据库 同方期刊数据库 评论
Influence of alkali metal doping on surface properties and catalytic activity/selectivity of CaO catalysts in oxidative coupling of methane
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Journal of Natural Gas Chemistry 2008年 第4期17卷 313-320页
作者: v.H.Rane s.T.Chaudhari v.R.Choudhary Chemical Engineering and Process Development Division National Chemical Laboratory
surface propertiesviz. surface area, basicity/base strength distribution, and crystal phases) of alkali metal doped CaO (alkali metal/Ca= 0.1 and 0.4) catalysts and their catalytic activity/selectivity in oxidat... 详细信息
来源: 维普期刊数据库 维普期刊数据库 同方期刊数据库 同方期刊数据库 评论