咨询与建议

限定检索结果

文献类型

  • 19,004 篇 期刊文献
  • 757 篇 会议
  • 705 册 图书
  • 9 篇 学位论文

馆藏范围

  • 20,267 篇 电子文献
  • 227 种 纸本馆藏

日期分布

学科分类号

  • 8,132 篇 工学
    • 2,134 篇 材料科学与工程(可...
    • 1,264 篇 生物医学工程(可授...
    • 1,214 篇 化学工程与技术
    • 601 篇 电子科学与技术(可...
    • 502 篇 机械工程
    • 361 篇 动力工程及工程热...
    • 334 篇 光学工程
    • 324 篇 仪器科学与技术
    • 309 篇 电气工程
    • 305 篇 核科学与技术
    • 300 篇 计算机科学与技术...
    • 260 篇 地质资源与地质工...
    • 257 篇 环境科学与工程(可...
    • 256 篇 力学(可授工学、理...
  • 8,070 篇 医学
    • 6,889 篇 临床医学
    • 1,352 篇 医学技术(可授医学...
    • 881 篇 基础医学(可授医学...
    • 732 篇 中西医结合
    • 381 篇 公共卫生与预防医...
    • 326 篇 药学(可授医学、理...
  • 4,324 篇 理学
    • 1,072 篇 物理学
    • 981 篇 化学
    • 538 篇 数学
    • 538 篇 生物学
    • 314 篇 地质学
    • 290 篇 地球物理学
  • 1,556 篇 农学
    • 388 篇 畜牧学
    • 384 篇 作物学
    • 296 篇 农业资源与环境
  • 466 篇 管理学
    • 255 篇 管理科学与工程(可...
  • 254 篇 文学
  • 248 篇 经济学
  • 235 篇 教育学
  • 130 篇 法学
  • 77 篇 历史学
  • 49 篇 哲学
  • 35 篇 艺术学
  • 18 篇 军事学

主题

  • 284 篇 ct
  • 194 篇 mri
  • 134 篇 患者
  • 94 篇 mr
  • 93 篇 病人
  • 73 篇 cancer
  • 71 篇 英语
  • 66 篇 rare earths
  • 57 篇 analysis
  • 45 篇 method
  • 43 篇 structure
  • 42 篇 corrosion
  • 41 篇 acid
  • 41 篇 covid-19
  • 38 篇 pet
  • 38 篇 temperature
  • 37 篇 diabetes
  • 35 篇 队列研究
  • 30 篇 前列腺癌
  • 29 篇 超声心动图

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...
  • 66 篇 NOT FOUND
  • 66 篇 national researc...
  • 66 篇 institut fur the...
  • 66 篇 dept.of physics ...
  • 66 篇 department of ph...
  • 65 篇 compas group ins...
  • 65 篇 rudolf peierls c...
  • 65 篇 nstitucio catala...
  • 65 篇 cern european or...
  • 65 篇 department of ph...
  • 65 篇 school of physic...
  • 64 篇 max-planck-insti...
  • 63 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
  • 84 篇 m.drees
  • 78 篇 p.de jong
  • 77 篇 o.dahl
  • 77 篇 b.foster
  • 76 篇 s.blusk
  • 75 篇 g.rybka
  • 75 篇 v.i.belousov
  • 74 篇 a.ringwald
  • 73 篇 j.beringer
  • 65 篇 k.monig
  • 65 篇 m.grnewald

语言

  • 11,591 篇 中文
  • 8,882 篇 英文
检索条件"作者=m h Zandi"
20475 条 记 录,以下是1-10 订阅
排序:
A novel scheme of hybrid entanglement swapping and teleportation using cavity QED in the small and large detuning regimes and quasi-Bell state measurement method
收藏 引用
Chinese Physics B 2016年 第10期25卷 45-51页
作者: R Pakniat m K Tavassoly m h zandi Faculty of Physics Shahid Bahonar University of Kerman Faculty of Physics Atomic and Molecular Group Yazd University Research Group of Optics and Photonics Yazd University
We outline a scheme for entanglement swapping based on cavity QED as well as quasi-Bell state measurement(quasiBSm) methods. The atom–field interaction in the cavity QED method is performed in small and large detunin... 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
Dynamics of Information Entropies of Atom-Field Entangled States Generated via the Jaynes-Cummings model
收藏 引用
Communications in Theoretical Physics 2016年 第3期65卷 266-272页
作者: R.Pakniat m.K.Tavassoly m.h.zandi Faculty of Physics Shahid Bahonar University of Kerman Atomic and molecular Group Faculty of PhysicsYazd University Photonic Research Group Engineering Research CenterYazd University The Laboratory of Quantum Information Processing Yazd University
In this paper we have studied the dynamical evolution of Shannon information entropies in position and momentum spaces for two classes of(nonstationary) atom-field entangled states,which are obtained via the JaynesC... 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
An efficient and mild carboxylation of multiwall carbon nanotubes using h_2O_2 in the presence of heteropolyacid
收藏 引用
Chinese Chemical Letters 2012年 第4期23卷 470-473页
作者: m.Z.Kassaee h.zandi J.Akbari E.motamedi Department of Chemistry Tarbiat Modares UniversityP.O.Box 14115-175TehranIran Department of Chemistry Buinzahra BranchIslamic Azad UniversityBuinzahraIran
A clean,fast,and facile oxidation of multiwalled carbon nanotubes(mWCNTs) by h_2O_2/heteropolyacid(h_3PW_(12)O_(40)) gave highly carboxylated mWCNTs under mild conditions,at a conveniently accessible *** an ea... 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 sexually dimorphic expression of glutamate transporters and their implication in pain after spinal cord injury
收藏 引用
Neural Regeneration Research 2025年 第11期20卷 3317-3329页
作者: Jennifer m.Colón-mercado Aranza I.Torrado-Tapias Iris K.Salgado Jose m.Santiago Samuel E.Ocasio Rivera Dina P.Bracho-Rincon Luis h.Pagan Rivera Jorge D.miranda Department of Physiology University of Puerto RicoMedical Sciences CampusSan JuanPRUSA National Institutes of health National Human Genome Research InstituteBethesdaMDUSA Universidad Central del Caribe School of MedicineBayamónPRUSA University of Puerto Rico Carolina CampusCarolinaPRUSA Institute of Neurobiology San JuanPRUSA
In addition to the loss of motor function,~60% of patients develop pain after spinal cord *** cellular-molecular mechanisms are not well understood,but the data suggests that plasticity within the rostral,epicenter,an... 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
Effects of geometric design of forest road and roadside vegetation on traffic noise reduction
收藏 引用
Journal of Forestry Research 2016年 第2期27卷 463-468页
作者: Seyed Ata Ollah hosseini Seyran zandi Asghar Fallah mehran Nasiri Department of Forestry and Forest Economics Faculty of Natural Resources University of Tehran Department of Forestry Faculty of Natural Resources Sari University of Agricultural Sciences and Natural Resources Alborz Road Development and Construction Corporation Civil Engineers office
Geometric design of forest roads and design of their landscapes can reduce noise pollution and its harmful effects on human health. We investigated the effects of technical and biological parameters such as geometric ... 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
Preparation,quality control and biodistribution of [^(61)Cu]-doxorubicin for PET imaging
收藏 引用
Nuclear Science and Techniques 2009年 第3期20卷 157-162页
作者: JALILIAN Amir Reza YOUSEFNIA hassan FAGhIhI Reza AKhLAGhI mehdi zandi hassan Nuclear medicine Research Group Agricultural Medical and Industrial Research School Karaj Iran Department of Nuclear Engineering School of Engineering Shiraz University Shiraz Iran
This work was conducted for radiolabeling of an anticancer antibiotic, i.e. doxorubicin with 61Cu for production of possible tracer used in PET oncology. 61Cu was prepared with natural zinc target and 22 meV150 μA pr... 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
Free vibration and buckling analysis of polymeric composite beams reinforced by functionally graded bamboo fbers
收藏 引用
Applied mathematics and mechanics(English Edition) 2024年 第3期45卷 543-562页
作者: h.m.FEIZABAD m.h.YAS Department of mechanical Engineering Razi UniversityKermanshah ***Iran
Natural fibers have been extensively researched as reinforcement materials in polymers on account of their environmental and economic advantages in comparison with synthetic fibers in the recent *** fibers are renowne... 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
Analytical model for thermal lensing and spherical aberration in diode side-pumped Nd:YAG laser rod having Gaussian pump profile
收藏 引用
Chinese Physics B 2015年 第12期24卷 334-341页
作者: m h moghtader Dindarlu m Kavosh Tehrani h Saghafifar A maleki Institute of Optics and Laser Malek-Ashtar University of Technology
In this paper, according to the temperature and strain distribution obtained by considering the Gaussian pump profile and dependence of physical properties on temperature, we derive an analytical model for refractive ... 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
microstructure evolution of a recycled Al-Fe-Si-Cu alloy processed by tube channel pressing
收藏 引用
International Journal of minerals,metallurgy and materials 2018年 第10期25卷 1166-1172页
作者: m.h.Farshidi m.Rifai h.miyamoto Department of materials Science and metallurgical Engineering Ferdowsi University of Mashhad Department of mechanical Engineering Doshisha University
Although excellent recyclability is one of the advantages of Al alloys, a recycling process can reduce different properties of these alloys by adding coarse AlFeSi particles into the alloys' microstructures. One of 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
Recognition of Production and morphological Traits in macoei Sheep Breed
收藏 引用
Journal of Agricultural Science and Technology(A) 2011年 第8期1卷 1314-1317页
作者: A. Lavvaf m. B. zandi Departmant of animal science Karaj Branch Islamic Azad University Karaj Iran Department of Animal Science University of Tehran Karaj Iran
In this study, the data of macoei sheep from 1994 to 2008 were collected in Affair Animal Breeding Unit, Agriculture Organization of West Azerbijan province of Iran for recognition of reproductive and morphological ch... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论