咨询与建议

限定检索结果

文献类型

  • 2,427 篇 期刊文献
  • 758 篇 学位论文
  • 46 篇 会议
  • 27 篇 成果
  • 17 册 图书

馆藏范围

  • 3,269 篇 电子文献
  • 7 种 纸本馆藏

日期分布

学科分类号

  • 1,275 篇 理学
    • 885 篇 生物学
    • 225 篇 化学
    • 98 篇 物理学
    • 86 篇 数学
    • 36 篇 统计学(可授理学、...
  • 731 篇 医学
    • 409 篇 临床医学
    • 323 篇 基础医学(可授医学...
    • 115 篇 药学(可授医学、理...
    • 113 篇 中西医结合
    • 97 篇 医学技术(可授医学...
    • 37 篇 中药学(可授医学、...
    • 33 篇 公共卫生与预防医...
  • 715 篇 工学
    • 139 篇 化学工程与技术
    • 127 篇 材料科学与工程(可...
    • 109 篇 生物医学工程(可授...
    • 66 篇 电气工程
    • 50 篇 环境科学与工程(可...
    • 44 篇 计算机科学与技术...
    • 39 篇 电子科学与技术(可...
    • 36 篇 机械工程
    • 31 篇 生物工程
  • 185 篇 农学
    • 31 篇 作物学
  • 103 篇 经济学
    • 68 篇 应用经济学
    • 33 篇 理论经济学
  • 63 篇 教育学
    • 34 篇 教育学
    • 29 篇 心理学(可授教育学...
  • 58 篇 管理学
    • 33 篇 管理科学与工程(可...
  • 53 篇 法学
    • 31 篇 社会学
  • 52 篇 哲学
    • 49 篇 哲学
  • 38 篇 文学
    • 28 篇 外国语言文学
  • 27 篇 历史学
  • 12 篇 艺术学
  • 2 篇 军事学

主题

  • 3,275 篇 f
  • 1,002 篇 n
  • 969 篇 a
  • 927 篇 c
  • 899 篇 i
  • 861 篇 e
  • 858 篇 o
  • 855 篇 r
  • 811 篇 ,
  • 811 篇 s
  • 808 篇 t
  • 740 篇 l
  • 738 篇 m
  • 646 篇 p
  • 587 篇 d
  • 488 篇 g
  • 467 篇 u
  • 391 篇 h
  • 345 篇 v
  • 323 篇 y

机构

  • 24 篇 utica college
  • 21 篇 university of ke...
  • 15 篇 the johns hopkin...
  • 13 篇 university of ne...
  • 13 篇 princeton univer...
  • 12 篇 university of ca...
  • 12 篇 fielding graduat...
  • 11 篇 mississippi stat...
  • 10 篇 university of ro...
  • 10 篇 sam houston stat...
  • 10 篇 university of ma...
  • 9 篇 columbia univers...
  • 9 篇 harvard universi...
  • 9 篇 capella universi...
  • 9 篇 iowa state unive...
  • 9 篇 university of mi...
  • 9 篇 rochester instit...
  • 8 篇 arizona state un...
  • 8 篇 colorado technic...
  • 8 篇 georgetown unive...

作者

  • 12 篇 horton p
  • 10 篇 hodges m
  • 8 篇 graber p
  • 7 篇 martirosov sm
  • 7 篇 allen jf
  • 7 篇 godinot c
  • 7 篇 harris da
  • 7 篇 ernster l
  • 6 篇 trchounian aa
  • 6 篇 barber j
  • 6 篇 grivas s
  • 6 篇 houstek j
  • 6 篇 vignais pv
  • 6 篇 sandip basu
  • 6 篇 wollman fa
  • 6 篇 golbeck jh
  • 6 篇 futai m
  • 6 篇 briantais jm
  • 6 篇 milgrom ym
  • 6 篇 gautheron dc

语言

  • 2,114 篇 英文
  • 743 篇 其他
  • 396 篇 中文
  • 12 篇 荷兰文
  • 4 篇 西班牙文
  • 4 篇 法文
  • 2 篇 德文
  • 1 篇 捷克文
  • 1 篇 意大利文
  • 1 篇 俄文
检索条件""
3275 条 记 录,以下是661-670 订阅
排序:
Material and Spiritual Poverty: A Postmodern Psychological Perspective on a Perennial Problem
收藏 引用
JOURNAL Of RELIGION & HEALTH 2020年 第3期59卷 1458-1480页
作者: Helminiak, Daniel A. Univ West Georgia Dept Psychol 1601 Maple St Carrollton GA 30117 USA
from a social-scientific perspective, this paper addresses an overlooked dimension of material poverty, namely spiritual poverty or the lack of spiritual sensitivity, and calls it a psychological disorder. Religions l... 详细信息
来源: 评论
Biogenically engineered nanoparticles inhibit fusarium oxysporum causing soft-rot of ginger
收藏 引用
IET NANOBIOTECHNOLOGY 2018年 第8期12卷 1084-1089页
作者: Athawale, Vaibhavi Paralikar, Priti Ingle, Avinash P. Rai, Mahendra SGB Amravati Univ Dept Biotechnol Nanobiotechnol Lab Amravati Maharashtra India Univ Sao Paulo Engn Sch Lorena Dept Biotechnol Lorena Brazil
Soft-rot of ginger (Zingiber officinale) is the most important disease usually caused by fusarium oxysporum (f. oxysporum) leading to significant yield loss. In this study, chitosan, copper and sulphur nanoparticles s... 详细信息
来源: 评论
尘螨过敏原蛋白Der p 2和Der f 2结构与抗原表位的比较研究
收藏 引用
现代医院 2017年 第11期17卷 1665-1669页
作者: 梁敏 冯笑 胡腊 陈纪涛 李明 赖宇雄 刘兆宇 广州医科大学附属第五医院 广东广州510700
目的比较分析尘螨过敏原蛋白Der p 2和Der f 2的一级、二级结构并预测抗原表位。方法从网上数据库下载Der p 2和Der f 2蛋白的序列,分析比较Der p 2和Der f 2蛋白的一级、二级结构,得出Der p 2和Der f2蛋白中可能的功能位点、信号肽位... 详细信息
来源: 评论
Rationalising the supply-and-demand cross, 1838-1890
收藏 引用
EUROPEAN JOURNAL Of THE HISTORY Of ECONOMIC THOUGHT 2020年 第2期27卷 194-208页
作者: Aspromourgos, Tony Univ Sydney Sch Econ Sydney NSW 2006 Australia
This study takes its bearings from the proposition that the supply-and-demand apparatus of what came to be called the "Marshallian cross" is an unsatisfactory representation of actual supply and demand force... 详细信息
来源: 评论
Nanostructured Materials Used for Pattern Recognition of Bisphenols in Waste Water Samples
收藏 引用
JOURNAL Of THE ELECTROCHEMICAL SOCIETY 2019年 第12期166卷 B903-B907页
作者: Stefan-van Staden, Raluca-Ioana Moscalu-Lungu, Alexandrina van Staden, Jacobus frederick Natl Inst Res Electrochem & Condensed Matter Lab Electrochem & PATLAB Bucharest Bucharest 060021 Romania Univ Politehn Bucuresti Fac Appl Chem & Mat Sci Bucharest Romania
Three stochastic sensors based on modified nanocarbon paste (nC), nanographene paste (nGr), and reduced graphene oxide paste (rGOx) with 2, 2-diphenyl-1-picrylhydrazyl (DPPH) were proposed for the pattern recognition ... 详细信息
来源: 评论
The impact of neuroimaging advancement on neurocognitive evaluation in pediatric brain tumor survivors: A review
收藏 引用
Brain Science Advances 2019年 第2期5卷 117-127页
作者: Juan fan Ronald Milosevic Jiefei Li Jianjun Bai Yuqi Zhang Yuquan Hosipital Tsinghua UniversityBeijing 100040China Clinical Centre of Nis Nis 18000The Republic of Serbia School of Medicine Tsinghua UniversityBeijing 100084China
Pediatric brain tumors are a type of tumors that are commonly present in children and young *** the improvement of treatment,the quality of life,especially the cognitive functioning,is gaining increasingly more *** fr... 详细信息
来源: 评论
New Models Used to Determine the Dioxins Total Amount and Toxicity (TEQ) in Atmospheric Emissions from Thermal Processes
收藏 引用
ENERGIES 2019年 第23期12卷 4434页
作者: Palmer, Damia Pou, Josep O. Gonzalez-Sabate, Lucinio Diaz-ferrero, Jordi Conesa, Juan A. Ortuno, Nuria Univ Ramon Llull Inst Quim Sarria Ind Engn Dept Via Augusta 390 Barcelona 08017 Spain Univ Ramon Llull Inst Quim Sarria Chem Engn Dept Via Augusta 390 Barcelona 08017 Spain Univ Ramon Llull Inst Quim Sarria Quantitat Methods Dept Via Augusta 390 Barcelona 08017 Spain Univ Ramon Llull Inst Quim Sarria Analyt & Appl Chem Dept Via Augusta 390 Barcelona 08017 Spain Univ Alicante Dept Chem Engn POB 99 E-03080 Alicante Spain
In order to reduce the calculation effort during the simulation of the emission of polychlorinated dibenzo-p-dioxins and furans (PCDD/f) during municipal solid waste incineration, minimizing the number of simulated co... 详细信息
来源: 评论
Thrombin generation test: A reliable tool to evaluate the pharmacodynamics of vitamin K antagonist rodenticides in rats
收藏 引用
PESTICIDE BIOCHEMISTRY AND PHYSIOLOGY 2018年 146卷 19-24页
作者: Jourdi, Georges Lefebvre, Sebastien Le Bonniec, Bernard Curls, Emmanuel Gaussem, Pascale Lattard, Virginie Siguret, Virginie Univ Paris 05 Sorbonne Paris Cite INSERM UMR S1140 4 Ave Observ F-75006 Paris France Univ Lyon INRA VetAgro Sup USC RS2GP 1233 1 Ave Bourgelat F-69280 Lyon France Univ Paris 05 Sorbonne Paris Cite Lab Biomath 4 Ave Observ F-75006 Paris France Univ Paris 05 Sorbonne Paris Cite UMR S1144 4 Ave Observ F-75006 Paris France Hop St Louis AP HP DBIM 4 Ave Observ F-75006 Paris France Hop Europeen Georges Pompidou AP HP Serv Hematol Biol 4 Ave Observ F-75006 Paris France Hop Lariboisiere AP HP Serv Hematol Biol 4 Ave Observ F-75006 Paris France
Vitamin K antagonist rodenticide pharmacodynamics (PD) is studied in rodents with traditional laboratory tests. We wondered if thrombin generation test (TGT) could add value. Difethialone (10 mg/kg) was administered p... 详细信息
来源: 评论
Research on Rice Leaf Disease Recognition Based on BP Neural Network
收藏 引用
Journal of Northeast Agricultural University(English Edition) 2019年 第3期26卷 75-86页
作者: Shen Wei-zheng Guan Ying Wang Yan Jing Dong-jun College of Electrical and Information Northeast Agricultural University
To solve the problem of mistake recognition among rice diseases, automatic recognition methods based on BP(back propagation) neural network were studied in this paper for blast, sheath blight and bacterial blight. Cho... 详细信息
来源: 评论
Comparison of Double-freeze versus Modified Triple-freeze Pulmonary Cryoablation and Hemorrhage Volume Using Different Probe Sizes in an In Vivo Porcine Lung
收藏 引用
JOURNAL Of VASCULAR AND INTERVENTIONAL RADIOLOGY 2018年 第5期29卷 722-728页
作者: Pan, Patrick J. Bansal, Anshuman K. Genshaft, Scott J. Kim, Grace H. Suh, Robert D. Abtin, fereidoun Univ Calif Los Angeles David Geffen Sch Med UCLA Med Ctr Div Thorac Imaging & Intervent ServDept Radiol 757 Westwood PlazaRoom 1621 Los Angeles CA 90095 USA
Purpose: To determine size of ablation zone and pulmonary hemorrhage in double-freeze (Df) vs modified triple-freeze (mTf) cryoablation protocols with different probe sizes in porcine lung. Materials and Methods: In 1... 详细信息
来源: 评论