咨询与建议

限定检索结果

文献类型

  • 2,490 篇 期刊文献
  • 111 篇 会议
  • 36 册 图书
  • 2 篇 学位论文

馆藏范围

  • 2,635 篇 电子文献
  • 6 种 纸本馆藏

日期分布

学科分类号

  • 1,033 篇 工学
    • 302 篇 材料科学与工程(可...
    • 164 篇 化学工程与技术
    • 92 篇 电子科学与技术(可...
    • 86 篇 核科学与技术
    • 70 篇 光学工程
    • 68 篇 机械工程
    • 67 篇 生物医学工程(可授...
    • 57 篇 仪器科学与技术
    • 52 篇 计算机科学与技术...
    • 43 篇 地质资源与地质工...
    • 40 篇 电气工程
    • 39 篇 动力工程及工程热...
  • 893 篇 医学
    • 722 篇 临床医学
    • 74 篇 基础医学(可授医学...
    • 71 篇 医学技术(可授医学...
    • 60 篇 中西医结合
    • 49 篇 药学(可授医学、理...
    • 39 篇 公共卫生与预防医...
  • 778 篇 理学
    • 288 篇 物理学
    • 129 篇 化学
    • 81 篇 数学
    • 77 篇 生物学
    • 43 篇 地质学
    • 42 篇 地球物理学
    • 39 篇 大气科学
    • 37 篇 天文学
  • 172 篇 农学
    • 40 篇 农业资源与环境
    • 40 篇 畜牧学
  • 69 篇 管理学
    • 37 篇 管理科学与工程(可...
  • 40 篇 经济学
    • 37 篇 应用经济学
  • 33 篇 文学
  • 15 篇 法学
  • 14 篇 教育学
  • 6 篇 历史学
  • 4 篇 艺术学
  • 3 篇 哲学
  • 3 篇 军事学

主题

  • 27 篇 cancer
  • 20 篇 microstructure
  • 19 篇 cell
  • 18 篇 disease
  • 16 篇 of
  • 15 篇 hbc
  • 15 篇 mri
  • 15 篇 qcd
  • 14 篇 ct
  • 14 篇 surgery
  • 13 篇 covid-19
  • 13 篇 liver
  • 13 篇 carcinoma
  • 13 篇 inflammation
  • 12 篇 temperature
  • 12 篇 rare earths
  • 12 篇 hepatitis
  • 12 篇 mortality
  • 12 篇 taxonomy
  • 11 篇 structure

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
  • 67 篇 institut fur the...
  • 67 篇 dept.of physics ...
  • 66 篇 national researc...
  • 66 篇 compas group ins...
  • 66 篇 rudolf peierls c...
  • 66 篇 department of ph...
  • 66 篇 nstitucio catala...
  • 66 篇 cern european or...
  • 66 篇 department of ph...
  • 65 篇 max-planck-insti...
  • 65 篇 school of physic...
  • 65 篇 department of ph...

作者

  • 86 篇 v.i.belousov
  • 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
  • 85 篇 p.de jong
  • 85 篇 j.beringer
  • 84 篇 o.dahl
  • 84 篇 b.foster
  • 83 篇 g.rybka
  • 83 篇 a.ringwald
  • 81 篇 m.grnewald
  • 81 篇 s.raby
  • 79 篇 v.burkert

语言

  • 1,656 篇 英文
  • 983 篇 中文
检索条件"作者=petrov Y v"
2639 条 记 录,以下是91-100 订阅
排序:
Novel and efficient supramolecular synthesis of pyrroles in the presence of β-cyclodextrin in water
收藏 引用
Chinese Chemical Letters 2012年 第12期23卷 1331-1334页
作者: K.Ramesh K.Karnakar G.Satish y.v.D.Nageswar CSIR-Natural Product Chemistry Indian Institute of Chemical Technology
A simple and efficient synthesis of highly substituted pyrroles was achieved in water medium via multi-component strategy, using amine, DMAD/DEAD as well as phenacyl bromide catalyzed by β-CD. Utilizing this protocol... 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
Pancreatic enzymes and abdominal adipose tissue distribution in new-onset prediabetes/diabetes after acute pancreatitis
收藏 引用
World Journal of Gastroenterology 2021年 第23期27卷 3357-3371页
作者: Juyeon Ko Loren Skudder-Hill Jaelim Cho Sakina H Bharmal Maxim S petrov School of Medicine University of AucklandAuckland 1142New Zealand
BACKGROUND New-onset prediabetes/diabetes after acute pancreatitis(NODAP)is the most common sequela of pancreatitis,and it differs from type 2 prediabetes/diabetes mellitus(T2DM).AIM To study the associations between ... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论
New multi-phonon gamma vibrational bands in A~110 neutron-rich nuclei
收藏 引用
Science China(Physics,Mechanics & Astronomy) 2011年 第S1期54卷 44-48页
作者: HAMILTON J H RAMAyyA A v RASMUSSEN J O HWANG J K yEOH E y Department of Physics Vanderbilt University Nashville TN 37235 USA Lawrence Berkeley National Laboratory Berkeley CA 94720 USA Department of Physics Tsinghua University Beijing 100084 China
The high spin states of neutron-rich 103Nb, 107Tc and 109Tc nuclei in A^110 region have been investigated by measuring prompt γ-γ-γ coincident measurements populated with the spontaneous fission of 252Cf with the G... 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
Intrusion Detection Using Ensemble Wrapper Filter Based Feature Selection with Stacking Model
收藏 引用
Intelligent Automation & Soft Computing 2023年 第1期35卷 645-659页
作者: D.Karthikeyan v.Mohan Raj J.Senthilkumar y.Suresh Department of ECE KongunaduCollege of Engineering and TechnologyTrichy621215India Department of IT Sona College of TechnologySalem636005India
The number of attacks is growing tremendously in tandem with the growth of internet *** a result,protecting the private data from prying eyes has become a critical and tough *** intrusion detection solutions have been... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论
Jatropha oil methyl ester and its blends used as an alternative fuel in diesel engine
收藏 引用
International Journal of Agricultural and Biological Engineering 2008年 第2期1卷 32-38页
作者: y.v.Hanumantha Rao Ram Sudheer voleti v.S.Hariharan A.v.Sitarama Raju Department of Mechanical Engineering Koneru Lakshmaiah College of EngineeringGreen FieldsGuntur-522502Andhra PradeshIndia Department of Mechanical Engineering Lakireddy Balireddy College of EngineeringMylavaramKrishna DtAndhra PradeshIndia Department of Mechanical Engineering Jawaharalal Nehru Technological University College of EngineeringKakinadaPin:533003Andhra PradeshIndia
Biomass derived vegetable oils are quite promising alternative fuels for agricultural diesel *** of vegetable oils in diesel engines leads to slightly inferior performance and higher smoke emissions due to their high ... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论
Oncolytic adenoviruses:A thorny path to glioma cure
收藏 引用
Genes & Diseases 2014年 第2期1卷 214-226页
作者: I.v.Ulasov A.v.Borovjagin B.A.Schroeder A.y.Baryshnikov Swedish Medical Center Center for Advanced Brain Tumor Treatment55017th AvenueJames TowerSuite 570SeattleWA 98122USA Institute of Oral Health Research University of Alabama at Birmingham School of Dentistry19197th Ave SouthBirminghamAL35294USA Michigan State University College of Medicine Grand RapidsMI49503USA Institute of Experimental Diagnostic and Biotherapy N.N.Blokhin Cancer Research Center(RONC)Moscow 115478Russia 不详
Glioblastoma Multiforme(GBM)is a rapidly progressing brain *** the relatively low percentage of cancer patients with glioma diagnoses,recent statistics indicate that the number of glioma patients may have increased ov... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论
Protein sources and starch-protein digestive dynamics manipulate growth performance in broiler chickens defined by an equilateraltriangle response surface design
收藏 引用
Animal Nutrition 2022年 第2期9卷 204-213页
作者: Shemil P.Macelline Peter v.Chrystal Peter H.Selle Sonia y.Liu Poultry Research Foundation The University of SydneyCamden NSW 2570Australia School of Life and Environmental Sciences Faculty of ScienceThe University of SydneySydney NSW 2006Australia Sydney School of veterinary Science The University of SydneySydney NSW 2006Australia
A total of 360 male,off-sex Ross 308 chicks were offered 10 dietary treatments from 14 to 35 d post ehatch in an equilateral-triangle response surface design feeding study in order to confirm the importance of protein... 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
Assessing temporal variation of coloured dissolved organic matter in the coastal waters of South Eastern Arabian Sea
收藏 引用
Acta Oceanologica Sinica 2020年 第1期39卷 102-109页
作者: P Minu v P Souda S K Baliarsingh R M Dwivedi y Ali P M Ashraf ICAR-Central Institute of Fisheries Technology Matsyapuri P.O.Cochin 682029India Indian National Centre for Ocean Information Services(INCOIS) Hyderabad 500090India Department of Geology Aligarh Muslim UniversityAligarh 202001India
Coloured dissolved organic matter(CDOM) plays a major role in marine photochemical and biological processes and its optical properties are known to affect the underwater light penetration. This paper highlights in sit... 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 and optoelectronic properties of sprayed Sb:SnO_2 thin films:Effects of substrate temperature and nozzle-to-substrate distance
收藏 引用
Journal of Semiconductors 2011年 第10期32卷 1-9页
作者: A.R.Babar S.S.Shinde A.v.Moholkar C.H.Bhosale K.y.Rajpure Electrochemical Materials Laboratory Department of PhysicsShivaji University
The influence of substrate temperature and nozzle-to-substrate distance(NSD) on the structural,morphological, optical and electrical properties of Sb:SnO_2 thin films prepared by chemical spray pyrolysis has been *... 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
Adsorption and photo-catalytic properties of layered lepidocrocite-like quasi-amorphous compounds based on modified potassium polytitanates
收藏 引用
Particuology 2014年 第6期12卷 22-28页
作者: E.v.Tretyachenko A.v.Gorokhovsky G.y.yurkov F.S.Fedorov M.A.vikulova D.S.Kovaleva E.E.Orozaliev Department of Chemistry Saratov State Technical University
TiO2 compounds possess relatively high adsorption abilities and exhibit high photocatalytic activities that exhibit potential for the destruction of organic pollutants in natural and waste *** potassium polytitanates ... 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