咨询与建议

限定检索结果

文献类型

  • 38,734 篇 期刊文献
  • 2,198 册 图书
  • 2,117 篇 会议
  • 45 篇 学位论文
  • 9 篇 报纸

馆藏范围

  • 42,191 篇 电子文献
  • 960 种 纸本馆藏

日期分布

学科分类号

  • 14,808 篇 工学
    • 2,995 篇 材料科学与工程(可...
    • 1,929 篇 化学工程与技术
    • 1,448 篇 生物医学工程(可授...
    • 973 篇 机械工程
    • 881 篇 电子科学与技术(可...
    • 790 篇 计算机科学与技术...
    • 772 篇 地质资源与地质工...
    • 733 篇 矿业工程
    • 657 篇 动力工程及工程热...
    • 556 篇 水利工程
    • 550 篇 仪器科学与技术
    • 490 篇 电气工程
  • 12,358 篇 医学
    • 9,945 篇 临床医学
    • 1,543 篇 医学技术(可授医学...
    • 1,102 篇 中西医结合
    • 1,082 篇 基础医学(可授医学...
    • 770 篇 公共卫生与预防医...
    • 657 篇 药学(可授医学、理...
  • 7,224 篇 理学
    • 1,436 篇 化学
    • 1,386 篇 物理学
    • 1,056 篇 生物学
    • 908 篇 数学
    • 867 篇 地质学
  • 3,140 篇 农学
    • 744 篇 作物学
    • 700 篇 畜牧学
    • 523 篇 农业资源与环境
  • 1,856 篇 管理学
    • 846 篇 管理科学与工程(可...
    • 564 篇 公共管理
  • 1,310 篇 经济学
    • 1,077 篇 应用经济学
  • 1,166 篇 教育学
    • 868 篇 教育学
  • 827 篇 法学
  • 664 篇 文学
  • 301 篇 历史学
  • 297 篇 哲学
  • 248 篇 艺术学
  • 88 篇 军事学

主题

  • 236 篇 ct
  • 220 篇 美国
  • 195 篇 患者
  • 188 篇 mri
  • 145 篇 病人
  • 133 篇 俄罗斯
  • 114 篇 mr
  • 97 篇 analysis
  • 97 篇 苏联
  • 97 篇 北美洲
  • 82 篇 and
  • 75 篇 美利坚合众国
  • 72 篇 思维形式
  • 64 篇 covid-19
  • 64 篇 temperature
  • 61 篇 苏维埃社会主义共...
  • 59 篇 of
  • 56 篇 疾病
  • 50 篇 structure
  • 50 篇 diabetes

机构

  • 78 篇 中国科学院大学
  • 67 篇 institute for pa...
  • 67 篇 california insti...
  • 67 篇 department of ph...
  • 67 篇 department of ph...
  • 67 篇 department of ph...
  • 67 篇 desy d-15735 zeu...
  • 67 篇 georg-august-uni...
  • 67 篇 bartol research ...
  • 67 篇 kavli institute ...
  • 67 篇 department of ph...
  • 67 篇 kek high energy ...
  • 67 篇 niels bohr insti...
  • 67 篇 dept.of physics ...
  • 67 篇 nikhef p.o.box 4...
  • 67 篇 ific-instituto d...
  • 67 篇 prisma cluster o...
  • 67 篇 max-planck-insti...
  • 67 篇 department of ph...
  • 66 篇 lpthe upmc unive...

作者

  • 84 篇 f.krauss
  • 84 篇 g.weiglein
  • 84 篇 h.murayama
  • 84 篇 j.parsons
  • 84 篇 j.d.jackson
  • 84 篇 g.d'ambrosio
  • 84 篇 r.s.chivukula
  • 84 篇 y.kwon
  • 83 篇 m.white
  • 81 篇 m.drees
  • 74 篇 s.blusk
  • 71 篇 p.de jong
  • 63 篇 k.monig
  • 61 篇 o.dahl
  • 57 篇 b.foster
  • 51 篇 郭战宏
  • 44 篇 g.rybka
  • 41 篇 李开
  • 40 篇 a.ringwald
  • 36 篇 王铮

语言

  • 29,473 篇 中文
  • 13,619 篇 英文
检索条件"作者=B.NAgARAJA"
43103 条 记 录,以下是91-100 订阅
排序:
How relevant are engineering samples in the management of personal dust exposure?
收藏 引用
International Journal of Mining Science and Technology 2018年 第4期28卷 697-703页
作者: b.belle Anglo American Coal BrisbaneQueenslandAustralia Department of Mining Engineering UNSWSydneyNSW 2052Australia
A directive, legislated by the South African Department of Minerals and Energy(DME) in 1997, was introduced to reduce the dust exposures of continuous miner(CM) operators to below 5 mg/m3, when measured at the operato... 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
Identification of the normal and abnormal glow discharge modes in a neon-xenon gas mixture at low pressure
收藏 引用
Plasma Science and Technology 2018年 第11期20卷 70-75页
作者: b HECHELEF A bOUCHIKHI University of Saida Faculty of Technology Department of Electrical Engineering Saida 20000 Algeria
In this paper, we focused on the identification of the normal and abnormal glow discharge modes in a neon-xenon gas mixture at low pressure. We considered four gas mixtures: 90%Ne-10%Xe, 80%Ne-20%Xe, 70%Ne-30%Xe and ... 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
Physiological Studies on Ratoonability of Sugarcane Varieties under Tropical Indian Condition
收藏 引用
American Journal of Plant Sciences 2013年 第2期4卷 274-281页
作者: Raju Gomathi Polur nagaraja Gururaja Rao Palaniappan Rakkiyappan babu Poojary Sundara Srinivasan Shiyamala Agronomy Division of Crop Production Sugarcane Breeding Institute (ICAR) Coimbatore India Plant Physiology Division of Crop Production Sugarcane Breeding Institute (ICAR) Coimbatore India Soil Science Division of Crop Production Sugarcane Breeding Institute (ICAR) Coimbatore India
The ratoon crop occupies approximately 40% of the total area of sugarcane crop in tropical India. The main reason for the lower average cane productivity is the yield decline in ratoon crops (40 - 50 t/ha) despite the... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论
Primary Polydipsia and sIDH Type D Due to Water-Electrolytic Disturbance in a Schizophrenic Patient: A Case Report and Systematic Review
收藏 引用
Open Journal of Psychiatry 2025年 第1期15卷 1-15页
作者: bianca F. Pires Júlia Maria de Oliveira Guilherme V. Kitayama Vitória C. Tahan Flávia R. Darwin Luiz Antônio L. C. Saraiva Carolina C. T. Vilarinho Gabriela b. Dorilêo João Pedro F. Amaral Lucas P. b. de Santana Sarah P. Farid Tiago V. C. Albuquerque André b. Villani Fernanda S. Nascimento Larissa D. G. Pelegrino Renato Augusto Tambelli álvaro Tavares de Figueiredo Department of Psychiatry Faculdade de Medicina de Marlia Marlia So Paulo Brazil
Introduction: Primary polydipsia, frequently observed in patients with schizophrenia, can cause severe hyponatremia, leading to serious complications. Objective: This study reviews the management and prevalence of psy... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论
Nutritive and Microbiological Quality of Fish Feed Formulated from Local Flours Enriched with Larvaes of Hermetia illucens
收藏 引用
Advances in Microbiology 2025年 第1期15卷 30-41页
作者: Francine Herodias béké Nadège Kouadio-N’gbesso Paul Yao Attien N’da Einstein Kouadio Audrey Charlène Asté Comoé Koffi Donatien benie Adjehi Thomas Dadié Department of Food Sciences and Technologies (STA) Laboratory of Microbiology and Biotechnology Food Nangui Abrogoua University Abidjan Cte dIvoire Laboratory of Microbiology Oceanographic Research Center Abidjan Cte dIvoire Laboratory of Agrovalorisation Jean Lorougnon Guede University Daloa Cte dIvoire Agronomic Sciences and Processing Institut National Polytechnique Flix Houphout-Boigny Yamoussoukro Cte dIvoire Department of biosciences Laboratory of Biotechnology Agriculture and valorization of Biological Resources (LBAVR) Flix Houphout Boigny University Abidjan Cte dIvoire
In aquaculture, feed represents the main component of production costs, and the development of this sector depends on the development of an economical feed formulation that meets the qualitative and quantitative requi... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论
When Does Drug Resistant Tb Strike HIV/Tb Patients?—A South India Experience
收藏 引用
World Journal of AIDS 2017年 第1期7卷 34-39页
作者: Suresh Shastri Sharath burugina nagaraja Jaya Prasad Tripathy Anil Singarajipur bharat bhushan Rewari State Tb Office Revised National TB Control Programme Bangalore India ESIC Medical College and PGIMSR Bangalore India The Union South East Asia Office New Delhi India National AIDS Control Organization New Delhi India
background: India is a high Tb (tuberculosis) burden country. The advent of HIV (Human immunodeficiency virus) and DR-Tb (drug resistant Tb) has worsened the ongoing Tb control efforts. A study was conducted to (a) to... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论
Pattern Analysis and Regressive Linear Measure for botnet Detection
收藏 引用
Computer Systems Science & Engineering 2022年 第10期43卷 119-139页
作者: b.Padmavathi b.Muthukumar Department of Computer Science and Engineering Sathyabama Institute of Science and TechnologyChennaiIndia Department of Computer Science and Engineering Easwari Engineering CollegeChennaiIndia Department of Computer Science and Engineering United Institute of TechnologyCoimbatoreIndia
Capturing the distributed platform with remotely controlled compromised machines using botnet is extensively analyzed by various ***,certain limitations need to be addressed *** provisioning of detection mechanism wit... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论
On the pressure and stress singularities induced by steady flows of a pair of nonmiscible,incompressible,viscous fluids contacting a wall with slip
收藏 引用
Acta Mechanica Sinica 2020年 第3期36卷 686-691页
作者: G.b.Sinclair Department of Mechanical Engineering Louisiana State UniversityBaton RougeLA 70803USA
An earlier asymptotic analysis identified the flow-induced power and log singularities present when two nonmiscible,incompressible,viscous fluids contact a wall with no slip *** a parallel asymptotic analysis identifi... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论
The synthesis of polymers of intrinsic microporosity (PIMs)
收藏 引用
Science China Chemistry 2017年 第8期60卷 1023-1032页
作者: Neil b.McKeown School of Chemistry University of Edinburgh David Brewster Road Edinburgh EH9 3F J U
Polymers of intrinsic microporosity (PIMs) are a class of porous organic polymer (POP) that form microporous solids due to the inefficient packing of their rigid and contorted macromolecular chains. In contrast 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
Non-native plant species richness and influence of greenhouses and human populations in the conterminous United States
收藏 引用
Ecological Processes 2023年 第1期12卷 388-401页
作者: brice b.Hanberry USDA Forest Service Rocky Mountain Research StationRapid CitySD 57702USA
background One issue in invasive plant ecology is identification of the factors related to the invasion process that increase number of non-native *** invasion by non-native species increases,so does the probability 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 同方期刊数据库 同方期刊数据库 评论