咨询与建议

限定检索结果

文献类型

  • 19,284 篇 期刊文献
  • 715 册 图书
  • 556 篇 会议
  • 33 篇 学位论文
  • 10 篇 报纸

馆藏范围

  • 20,254 篇 电子文献
  • 353 种 纸本馆藏

日期分布

学科分类号

  • 7,780 篇 工学
    • 1,781 篇 材料科学与工程(可...
    • 1,020 篇 化学工程与技术
    • 602 篇 电子科学与技术(可...
    • 566 篇 生物医学工程(可授...
    • 560 篇 机械工程
    • 445 篇 地质资源与地质工...
    • 444 篇 计算机科学与技术...
    • 383 篇 仪器科学与技术
    • 363 篇 光学工程
    • 327 篇 动力工程及工程热...
    • 284 篇 电气工程
    • 257 篇 核科学与技术
    • 255 篇 软件工程
  • 5,928 篇 医学
    • 4,953 篇 临床医学
    • 592 篇 医学技术(可授医学...
    • 413 篇 基础医学(可授医学...
    • 399 篇 中西医结合
    • 305 篇 公共卫生与预防医...
    • 264 篇 药学(可授医学、理...
  • 4,375 篇 理学
    • 933 篇 物理学
    • 833 篇 化学
    • 639 篇 数学
    • 489 篇 地质学
    • 456 篇 生物学
    • 323 篇 地球物理学
  • 1,511 篇 农学
    • 331 篇 畜牧学
    • 322 篇 作物学
    • 268 篇 农业资源与环境
  • 764 篇 管理学
    • 331 篇 管理科学与工程(可...
  • 513 篇 经济学
    • 436 篇 应用经济学
  • 370 篇 教育学
  • 314 篇 文学
  • 274 篇 法学
  • 133 篇 历史学
  • 126 篇 艺术学
  • 77 篇 哲学
  • 32 篇 军事学

主题

  • 112 篇 of
  • 84 篇 患者
  • 82 篇 cancer
  • 77 篇 analysis
  • 59 篇 temperature
  • 54 篇 modeling
  • 48 篇 rare earths
  • 48 篇 and
  • 47 篇 structure
  • 45 篇 俄罗斯
  • 44 篇 method
  • 43 篇 mri
  • 42 篇 acid
  • 41 篇 diabetes
  • 40 篇 deep learning
  • 34 篇 covid-19
  • 34 篇 simulation
  • 33 篇 印度
  • 32 篇 金属材料
  • 32 篇 ct

机构

  • 68 篇 university of mi...
  • 67 篇 institute for pa...
  • 67 篇 albert einstein ...
  • 67 篇 dipartimento di ...
  • 67 篇 nikhef p.o.box 4...
  • 67 篇 fysikum stockhol...
  • 67 篇 michigan state u...
  • 67 篇 NOT FOUND
  • 66 篇 national researc...
  • 66 篇 institut fur the...
  • 66 篇 dept.of physics ...
  • 66 篇 compas group ins...
  • 66 篇 rudolf peierls c...
  • 66 篇 department of ph...
  • 65 篇 max-planck-insti...
  • 65 篇 nstitucio catala...
  • 65 篇 cern european or...
  • 65 篇 department of ph...
  • 65 篇 school of physic...
  • 65 篇 department of ph...

作者

  • 85 篇 f.krauss
  • 85 篇 g.weiglein
  • 85 篇 h.murayama
  • 85 篇 j.parsons
  • 85 篇 j.d.jackson
  • 85 篇 g.d'ambrosio
  • 85 篇 r.s.chivukula
  • 85 篇 y.kwon
  • 85 篇 m.white
  • 85 篇 m.drees
  • 82 篇 p.de jong
  • 79 篇 o.dahl
  • 79 篇 v.i.belousov
  • 78 篇 b.foster
  • 78 篇 j.beringer
  • 76 篇 s.blusk
  • 76 篇 g.rybka
  • 75 篇 a.ringwald
  • 72 篇 m.grnewald
  • 72 篇 s.raby

语言

  • 11,698 篇 中文
  • 8,896 篇 英文
检索条件"作者=A.v.NIKoLAEvA"
20598 条 记 录,以下是31-40 订阅
排序:
Synthesis of MoO_3 by glow discharge in contact with water
收藏 引用
Plasma Science and Technology 2019年 第2期21卷 97-104页
作者: A v KHLYUSTOvA N A SIROTKIN A S KRAYEv v A TITOv A v AGAFONOv Laboratory of Chemistry of Carbohydrate Coordination Compounds and Supermolecular System G.A.Krestov Institute of Solution Chemistry of RAS
An atmospheric pressure glow discharge was ignited between a molybdenum anode and the water surface of a cathode for the synthesis of MoO_3 powders. The action of glow discharge leads to the non-equilibrium evaporatio... 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
Incubation time approach in rock fracture dynamics
收藏 引用
Science China(Physics,Mechanics & Astronomy) 2012年 第1期55卷 78-85页
作者: SMIRNOv v PETROv Yuri v BRATOv v St.-Petersburg State Transport University 198103 St.-Petersburg Russia St.-Petersburg State University 198504 St.-Petersburg Russia Institute of Problems of Mechanical Engineering Russian Academy of Sciences 199178 St.-Petersburg Russia
The paper is summarizing latest results connected with application of the incubation time approach to problems of dynamic fracture of rock materials. Incubation time based fracture criteria for intact media and media ... 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
Arctic source for elevated atmospheric mercury(Hg^0) in the western Bering Sea in the summer of 2013
收藏 引用
Journal of Environmental Sciences 2018年 第6期30卷 114-121页
作者: v.v.Kalinchuk v.F.Mishukov A.S.Astakhov v.I.Il'ichev Pacific Oceanological Institute of Far Eastern Branch of Russian Academy of Sciences Vladivostok Russia
Measurements of gaseous elemental mercury(Hg^0) in the marine boundary layer of the western Bering Sea were performed using an automatic mercury analyzer RA 915 +(Ltd. "Lumex", St. Petersburg, Russia) aboard th... 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
The effect of forced oscillations on the kinetics of wave drift in an inhomogeneous plasma
收藏 引用
Plasma Science and Technology 2020年 第12期22卷 8-19页
作者: v I EROFEEv Institute of Automation&Electrometry of the Siberian Branch of the Russian Academy of Sciences 1 Koptyug Prosp.630090NovosibirskRussia Novosibirsk State University 2 Pirogova Str.NovosibirskRussia
The kinetics is analyzed of the drift of non-potential plasma waves in spatial positions and wavevectors due to plasma's spatial inhomogeneity. The analysis is based on highly informative kinetic scenarios of the drif... 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
Ordered exponential and its features in Yang-Mills effective action
收藏 引用
Communications in Theoretical Physics 2023年 第8期75卷 119-127页
作者: A v Ivanov N v Kharuk St.Petersburg Department of Steklov Mathematical Institute of Russian Academy of Sciences 27 FontankaSt.Petersburg 191023Russia Leonhard Euler International Mathematical Institute 10 Pesochnaya nab.St.Petersburg 197022Russia
In this paper,we discuss some non-trivial relations for ordered exponentials on smooth Riemannian *** an example of application,we study the dependence of the four-dimensional quantum Yang–Mills effective action on t... 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
Improved strength and ductility of high alloy containing Al–12Zn–3Mg–2.5Cu alloy by combining non-isothermal step rolling and cold rolling
收藏 引用
International Journal of Minerals,Metallurgy and Materials 2017年 第2期24卷 179-185页
作者: v.v.Ravikumar S.Kumaran Department of Metallurgical and Materials Engineering National Institute of TechnologyTamil Nadu 620015India
Al-12Zn-3Mg-2.5Cu alloy was prepared using a liquid metallurgy route under the optimized conditions. A sample cut from the ingot was rolled non-isothermally from 400℃ to 100℃ in 100℃ steps, with 15% reduction in th... 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
Superconducting magnetic energy storage for stabilizing grid integrated with wind power generation systems
收藏 引用
Journal of Modern Power Systems and Clean Energy 2019年 第2期7卷 400-411页
作者: Poulomi MUKHERJEE v. v. RAO Applied Superconductivity Laboratory Cryogenic Engineering Centre Indian Institute of TechnologyKharagpur
Due to the interconnection of various renewable energies and adaptive technologies, voltage quality and frequency stability of modern power systems are becoming erratic. Superconducting magnetic energy storage(SMES),f... 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
Short wave stability of homogeneous shear flows with variable topography
收藏 引用
Applied Mathematics and Mechanics(English Edition) 2014年 第5期35卷 541-548页
作者: 窦华书 v.GANESH Faculty of Mechanical Engineering & Automation Zhejiang Sci-Tech University
For the stability problem of homogeneous shear flows in sea straits of arbitrary cross section, a sufficient condition for stability is derived under the condition of inviscid flow. It is shown that there is a critica... 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
Generalised tanh-shaped hyperbolic potential: Klein–Gordon equation's bound state solution
收藏 引用
Communications in Theoretical Physics 2023年 第7期75卷 22-32页
作者: v H Badalov S v Badalov Institute for Physical Problems Baku State University1148 BakuAzerbaijan Theoretical Materials Physics Paderborn UniversityD-33098 PaderbornGermany Theoretical PhysicsⅦ University of BayreuthD-95440 BayreuthGermany
The development of potential theory heightens the understanding of fundamental interactions in quantum *** this paper,the bound state solution of the modified radial Klein–Gordon equation is presented for generalised... 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
Study Over Thermal State of Gas Turbine Engine Metal-ceramic Rotor Blades and Nozzle Guide vanes Under Thermal Shock and Thermal-cyclic Loading Conditions
收藏 引用
Journal of Thermal Science 2004年 第2期13卷 163-166页
作者: A.v.SOUDAREv A.A. SOURYANINOv v.Ya. PODGORETS v.v.GRISHAEv v.Yu. TIKHOPLAv A.S. MOLCHANOv B.v. SOUDAREv Research-Engineering "Ceramic Heat Engines" Center St.Petersburg Russia
To ensure a reliable operation of the 2.5 MW gas turbine engine (GTE- 2.5) with the inlet gas temperature TIT = 1623 K, studies were performed over the thermal state of the nozzle guide vanes and rotor blades with the... 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