咨询与建议

限定检索结果

文献类型

  • 474 篇 期刊文献
  • 33 篇 会议
  • 16 册 图书
  • 1 篇 学位论文

馆藏范围

  • 515 篇 电子文献
  • 9 种 纸本馆藏

日期分布

学科分类号

  • 243 篇 工学
    • 35 篇 材料科学与工程(可...
    • 32 篇 化学工程与技术
    • 29 篇 机械工程
    • 18 篇 环境科学与工程(可...
    • 15 篇 仪器科学与技术
    • 15 篇 计算机科学与技术...
    • 13 篇 兵器科学与技术
    • 12 篇 电气工程
    • 11 篇 纺织科学与工程
    • 10 篇 建筑学
    • 10 篇 土木工程
    • 10 篇 交通运输工程
    • 10 篇 生物工程
    • 9 篇 动力工程及工程热...
    • 9 篇 电子科学与技术(可...
    • 9 篇 农业工程
  • 104 篇 医学
    • 73 篇 临床医学
    • 13 篇 药学(可授医学、理...
    • 11 篇 基础医学(可授医学...
  • 101 篇 理学
    • 24 篇 生物学
    • 20 篇 生态学
    • 15 篇 化学
    • 12 篇 物理学
    • 11 篇 地质学
    • 9 篇 大气科学
  • 50 篇 农学
    • 25 篇 农业资源与环境
    • 11 篇 作物学
  • 38 篇 管理学
    • 20 篇 管理科学与工程(可...
    • 16 篇 工商管理
  • 28 篇 经济学
    • 27 篇 应用经济学
  • 16 篇 法学
  • 12 篇 文学
  • 12 篇 艺术学
  • 5 篇 教育学
  • 4 篇 哲学
  • 1 篇 军事学

主题

  • 18 篇 德国
  • 11 篇 主战坦克
  • 10 篇 荒漠生态系统
  • 10 篇 气候变化
  • 10 篇 紫外线b辐射
  • 6 篇 北极地区
  • 6 篇 盘片
  • 5 篇 liver
  • 5 篇 苔原
  • 5 篇 北极
  • 4 篇 中国共产党
  • 4 篇 herbal
  • 4 篇 品质
  • 4 篇 产量
  • 3 篇 herb
  • 3 篇 靛蓝
  • 3 篇 武器系统
  • 3 篇 metabolism
  • 3 篇 定向进化
  • 3 篇 herbs

机构

  • 10 篇 abisko scientifi...
  • 10 篇 komarov botanica...
  • 10 篇 a.n.severtsov in...
  • 10 篇 the ecosystems c...
  • 10 篇 physiological ec...
  • 10 篇 institute of bio...
  • 10 篇 department of ph...
  • 10 篇 institute of arc...
  • 10 篇 centre for maori...
  • 10 篇 school of biolog...
  • 10 篇 global change re...
  • 9 篇 departnent of ce...
  • 9 篇 stevens technica...
  • 6 篇 steag
  • 5 篇 国际钾肥研究所
  • 4 篇 unep-wcmc
  • 4 篇 湖南师范大学
  • 4 篇 department of pa...
  • 4 篇 斯德哥尔摩大学
  • 3 篇 同济大学

作者

  • 13 篇 rolf teschke
  • 11 篇 rolf f.barth
  • 11 篇 rolf hilmes
  • 10 篇 gus shaver
  • 10 篇 walter oechel
  • 10 篇 margareta johans...
  • 10 篇 brian huntley
  • 10 篇 nicolai panikov
  • 10 篇 terry v.callagha...
  • 10 篇 sven jonasson
  • 10 篇 rolf a.ims
  • 10 篇 nadya matveyeva
  • 10 篇 dyanna jolly
  • 10 篇 lars olof bjrn
  • 10 篇 yuri chernov
  • 10 篇 torben r.christe...
  • 10 篇 terry chapin
  • 8 篇 rolf
  • 8 篇 徐晓前
  • 6 篇 rolf hilgenfeld

语言

  • 340 篇 中文
  • 183 篇 英文
  • 1 篇 德文
检索条件"作者=rolf derpsch"
524 条 记 录,以下是1-10 订阅
排序:
Current status of adoption of no-till farming in the world and some of its main benefits
收藏 引用
International Journal of Agricultural and Biological Engineering 2010年 第1期3卷 1-25页
作者: rolf derpsch Theodor Friedrich Amir Kassam Li Hongwen rolf derpsch Freelance ConsultantAsunciónParaguay Food and Agriculture Organization(FAO) United NationsRomeItaly School of Agriculture Policy and DevelopmentUniversity of ReadingReadingBerkshireRG66AHUnited Kingdom Conservation Tillage Research Center under Ministry of Agriculture College of EngineeringChina Agricultural UniversityBeijing 100083China
In 1999 no-tillage farming,synonymous of zero tillage farming or conservation agriculture,was adopted on about 45 million ha world wide,growing to 72 million ha in 2003 and to 111 million ha in 2009,corresponding to a... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论
Pairing nitroxyl radical and phenazine with electron-withdrawing/-donating substituents in “water-in-ionic liquid” for high-voltage aqueous redox flow batteries
收藏 引用
Green Energy & Environment 2024年 第4期9卷 713-722页
作者: Zhifeng Huang rolf Hempelmann Yiqiong Zhang Li Tao Ruiyong Chen Transfercenter Sustainable Electrochemistry Saarland University and KIST Europe66125SaarbruckenGermany State Key Laboratory of Chem/Bio-Sensing and Chemometrics College of Chemistry and Chemical Engineering Hunan University Changsha410082HunanChina College of Materials Science and Engineering Changsha University of Science and Technology Changsha410114HunanChina Materials Innovation Factory Department of ChemistryUniversity of LiverpoolLiverpoolL697ZDUnited Kingdom
Aqueous redox-active organic materials-base electrolytes are sustainable alternatives to vanadium-based electrolyte for redoxflow batteries(RFBs)due to the advantages of high ionic conductivity,environmentally benign,s... 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
Parametric investigation of railway fastenings into the formation and mitigation of short pitch corrugation
收藏 引用
Railway Engineering Science 2024年 第3期32卷 286-306页
作者: Pan Zhang Shaoguang Li rolf Dollevoet Zili Li Section of Railway Engineering Delft University of TechnologyStevinweg 12628 CN Delftthe Netherlands
Short pitch corrugation has been a problem for railways worldwide over one *** this paper,a parametric investigation of fastenings is conducted to understand the corrugation formation mechanism and gain insights into ... 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
Evaluation of sodium borocaptate(BSH)and boronophenylalanine(BPA)as boron delivery agents for neutron capture therapy(NCT)of cancer:an update and a guide for the future clinical evaluation of new boron delivery agents for NCT
收藏 引用
Cancer Communications 2024年 第8期44卷 893-909页
作者: rolf F.Barth Nilendu Gupta Shinji Kawabata Department of Pathology The Ohio State UniversityColumbusOhioUSA Department of Radiation Oncology The Ohio State UniversityColumbusOhioUSA Department of Neurosurgery Osaka Medical and Pharmaceutical UniversityTakatsukiOsakaJapan
Boron neutron capture therapy(BNCT)is a cancer treatment modality based on the nuclear capture and fission reactions that occur when boron-10,a stable isotope,is irradiated with neutrons of the appropriate energy to p... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论
Boron neutron capture therapy of cancer:where do we stand now?
收藏 引用
Cancer Communications 2024年 第8期44卷 889-892页
作者: rolf F.Barth Gong Wu Maria da Graca H.Vicente John C Grecula Nilendu Gupta Department of Pathology The Ohio State UniversityColumbusOhioUSA Mass Spectrometry and Proteomics Facility The Ohio State UniversityColumbusOhioUSA Department of Chemistry Louisiana State UniversityBaton RougeLouisianaUSA Department of Radiation Oncology The Ohio State UniversityColumbusOhioUSA
1 INTRODUCTION,This is the third Editorial/Commentary that one of us(***)has written relating to boron neutron capture therapy(BNCT)[1,2].For those readers who are unfamiliar with BNCT we would refer them to several r... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论
Towards greener polymers:Trends in the German chemical industry
收藏 引用
Green Carbon 2024年 第1期2卷 33-44页
作者: Adam W.Franz Stefan Buchholz rolf W.Albach rolf Schmid BASF SE Ludwigshafen 67056Germany Evonik Operations GmbH Hanau 63457Germany Association for Chemistry and Economics German Chemical SocietyFrankfurt am Main 60444Germany Stuttgart University and Bio4Business Stuttgart 70569Germany
Global plastics production is expected to exceed 400 million tons and reach 600 million tons by *** synthesis currently accounts for approximately 3%of global greenhouse gas *** 60%of all polymers are produced for ***... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论
Meldonium-induced steatosis is associated with increased delta 6 desaturation and reduced elongation of n-6 polyunsaturated fatty acids
收藏 引用
Liver Research 2024年 第3期8卷 152-164页
作者: Bodil Bjørndal Siri Lunde Tungland Pavol Bohov Magne OSydnes Simon N.Dankel Lise Madsen rolf K Berge Department of Clinical Science University of BergenBergenNorway Department of Sports Physical Activity and FoodWestern Norway University of Applied SciencesBergenNorway Department of Chemistry Bioscience and Environmental EngineeringUniversity of StavangerStavangerNorway Department of Clinical Medicine University of BergenBergenNorway Department of Heart Disease Haukeland University HospitalBergenNorway
Background and objective Metabolic associated fatty liver disease(MAFLD)is associated with abnormal lipid *** dysfunction is considered an important factor in the onset of MAFLD,whereas altered fatty acid composition ... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论
Enhanced diagnostic workup increases pathological findings in patients with acute ischaemic stroke:results of the prospective HEBRAS study
收藏 引用
Stroke & Vascular Neurology 2024年 第2期9卷 145-152,I0414-I0425页
作者: Simon Hellwig Thomas Krause Jan F Scheitz Juliane Herm Ulrike Grittner Nadja Jauert Jochen B Fiebach Mario Kasner Wolfram Doehner Matthias Endres rolf Wachter Thomas Elgeti Christian H Nolte Karl Georg Haeusler Department of Neurology with Experimental Neurology Charité-Universitätsmedizin Berlincorporate member of Freie Universität Berlin and Humboldt-Universität zu BerlinBerlinGermany Center for Stroke Research Berlin BerlinGermany Berlin Institute of Health at Charité–Universitätsmedizin Berlin BIH Biomedical Innovation AcademyBerlinGermany Department of Neurology Jüdisches Krankenhaus BerlinBerlinGermany German Center for Cardiovascular Diseases(DZHK) Partner Site BerlinBerlinGermany Institute of Biometry and Clinical Epidemiology Charité-Universitätsmedizin BerlinBerlinGermany BIH Center for Regenerative Therapies(BCRT) Berlin Institute of Health at Charité–Universitätsmedizin BerlinBerlinGermany Department of Cardiology Charité-Universitätsmedizin BerlinBerlinGermany Department of Cardiology Campus Benjamin FranklinCharité-Universitätsmedizin BerlinBerlinGermany German Center for Neurodegenerative Diseases(DZNE) Partner Site BerlinBerlinGermany Department of Cardiology University Hospital LeipzigLeipzigGermany Department of Radiology Charité-Universitätsmedizin BerlinBerlinGermany Department of Neurology University Hospital WürzburgWürzburgGermany
Background Stroke aetiology remains cryptogenic in a relevant proportion of patients with acute ischaemic stroke(AIS).We assessed whether enhanced diagnostic workup after AIS yields a higher rate of prespecified patho... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论
Multivariate Approach to Characterizing Soil Quality of Gabonese’s Ferralitic Soils
收藏 引用
Open Journal of Soil Science 2024年 第4期14卷 237-268页
作者: Neil-Yohan Musadji rolf Gaël Mabicka Obame Michel Mbina Mounguengui Jean Aubin Ondo Lydie-Stella Koutika Eric Ravire Claude Geffroy Laboratoire De Chimie Des Milieux et Des Mat&#233riaux Inorganiques Laboratoire D&#8217Analyse Des Sols et Environnement D&#233partement Des Sciences Fondamentales De L&#8217Ing&#233nieur Institut National D&#8217Agronomie et De Biotechnologies Universit&#233 Des Sciences et Techniques De Masuku Franceville Gabon Institut De Chimie Des Milieux et Maté riaux De Poitiers (IC2MP) Universit&#233 De Poitiers Poitiers France Laboratoire De Chimie Des Milieux et Des Mat&#233riaux Inorganiques Laboratoire D&#8217Analyse Des Sols et Environnement D&#233partement De Phytotechnologie Institut National D&#8217Agronomie et De Biotechnologies Universit&#233 Des Sciences et Techniques De Masuku Franceville Gabon partement De G&#233ologie Facult&#233 Des Sciences Universit&#233 Des Sciences et Techniques De Masuku Franceville Gabon Laboratoire Pluridisciplinaire Des Sciences Ecole Normale Sup&#233rieure Libreville Gabon Centre De Recherche Sur La Productivité et La Durabilit&#233 Des Plantations Industrielles Pointe Noire Republic of Congo Sucaf Gabon Somdiaa Franceville Gabon
Assessing soil quality is essential for crop management and soil temporal changes. The present study aims to evaluate soil quality in the Ferralitic soils context countrywide. This assessment was done using multivaria... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论
《反杜林论》的诞生及马克思恩格斯在其中的社会主义构想
收藏 引用
马克思主义与现实 2024年 第1期 93-104页
作者: 罗尔夫·黑克尔 肖帆 马嘉婕 MEGA编辑促进协会 中央党史和文献研究院第五研究部
恩格斯《反杜林论》是在1871年德国统一之后新的经济政治条件下写成的,当时德国社会民主党发展为群众性政党,但哥达纲领的出台和杜林的影响表明,党内很多人迷失了方向,对于什么是马克思主义、什么是社会主义,认识非常模糊。《反杜林论... 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