咨询与建议

限定检索结果

文献类型

  • 1,276 篇 期刊文献
  • 24 篇 会议
  • 13 篇 学位论文

馆藏范围

  • 1,313 篇 电子文献
  • 0 种 纸本馆藏

日期分布

学科分类号

  • 537 篇 工学
    • 175 篇 材料科学与工程(可...
    • 106 篇 化学工程与技术
    • 55 篇 电子科学与技术(可...
    • 47 篇 计算机科学与技术...
    • 28 篇 动力工程及工程热...
    • 27 篇 机械工程
    • 24 篇 电气工程
    • 21 篇 仪器科学与技术
    • 21 篇 地质资源与地质工...
    • 18 篇 控制科学与工程
    • 18 篇 核科学与技术
    • 18 篇 环境科学与工程(可...
    • 17 篇 软件工程
  • 434 篇 医学
    • 286 篇 临床医学
    • 70 篇 中西医结合
    • 49 篇 中药学(可授医学、...
    • 45 篇 药学(可授医学、理...
    • 36 篇 公共卫生与预防医...
    • 17 篇 基础医学(可授医学...
  • 367 篇 理学
    • 106 篇 化学
    • 97 篇 物理学
    • 50 篇 生物学
    • 45 篇 数学
    • 18 篇 生态学
    • 17 篇 大气科学
    • 17 篇 地质学
  • 141 篇 农学
    • 37 篇 作物学
    • 36 篇 农业资源与环境
    • 19 篇 林学
  • 28 篇 管理学
    • 19 篇 管理科学与工程(可...
  • 15 篇 经济学
  • 7 篇 文学
  • 2 篇 法学
  • 2 篇 艺术学
  • 1 篇 哲学
  • 1 篇 教育学

主题

  • 21 篇 and
  • 20 篇 activity
  • 13 篇 machine learning
  • 12 篇 properties
  • 12 篇 optimization
  • 11 篇 analysis
  • 11 篇 antioxidant
  • 11 篇 x-ray
  • 11 篇 inflammation
  • 10 篇 rice
  • 10 篇 covid-19
  • 10 篇 of
  • 9 篇 diabetes
  • 9 篇 deep learning
  • 9 篇 temperature
  • 9 篇 composites
  • 9 篇 degradation
  • 9 篇 antibacterial
  • 9 篇 carbon
  • 8 篇 hepatitis

机构

  • 7 篇 department of ph...
  • 6 篇 江苏大学附属医院
  • 6 篇 江苏大学
  • 6 篇 center of excell...
  • 6 篇 department of me...
  • 5 篇 university of ch...
  • 4 篇 school of minera...
  • 4 篇 department of en...
  • 4 篇 department of ne...
  • 4 篇 school of scienc...
  • 4 篇 school of nano a...
  • 4 篇 department of ap...
  • 4 篇 department of me...
  • 4 篇 department of bi...
  • 4 篇 nuclear physics ...
  • 3 篇 yalong river hyd...
  • 3 篇 state key labora...
  • 3 篇 czech technical ...
  • 3 篇 department of ca...
  • 3 篇 department of bi...

作者

  • 13 篇 anil kumar
  • 12 篇 arvind kumar
  • 12 篇 amit kumar
  • 11 篇 manoj kumar
  • 10 篇 sunil kumar
  • 10 篇 a.kumar
  • 9 篇 sanjay kumar
  • 9 篇 r.kumar
  • 9 篇 ajay kumar rai
  • 8 篇 ajay kumar
  • 7 篇 sandeep kumar
  • 7 篇 sanjeev kumar
  • 7 篇 rajesh kumar
  • 7 篇 suresh kumar
  • 6 篇 shyamapada manda...
  • 6 篇 kevin d.hyde
  • 6 篇 vijay kumar
  • 6 篇 manoj kumar sing...
  • 6 篇 rakesh kumar
  • 6 篇 许化溪

语言

  • 1,115 篇 英文
  • 198 篇 中文
检索条件"作者=Kumar C.o."
1313 条 记 录,以下是1271-1280 订阅
排序:
野生向日葵种子萌发方法的比较
收藏 引用
种子 1986年 第3期 71-74页
作者: J.M.chandler ,c.c.Jan ,杨竹平 南京农业大学小麦品种研究室
种子休眠妨碍了向日葵种的研究及其在改良栽培向日葵(Helianthus annuus L.)的育种程序中的应用。测验了数种种子处理方法,测定其在打破许多野生向日葵种的强烈的种子休眠系统上的效率。第一个处理(称为完整处理)包括种子的机械多... 详细信息
来源: 同方期刊数据库 同方期刊数据库 评论
使用氩离子击穿PVD阻挡层工艺提高90nm双大马真士革互联的参变量和可靠性(英文)
收藏 引用
电子工业专用设备 2005年 第8期34卷 29-36页
作者: N.kumar S.chu D.L.Diehl K.Maekawa K.Mon K.Kobayashi M.Yoneda Applied Materials Inc Thin Films GroupCalifornia USA Applied Materials Japan Inc Thin Films GroupJapan Process Development Department Renesas Technology Corp.Japan
随着金属导线线宽的不断缩小,在90nm 技术以下,刻蚀残留物的存在会在应力迁移测试中形成高通孔电阻和空洞成核现象。物理氩离子预清洗是一种去除残留物的有效方法。但在应力迁移测试中发现,底部沟槽铜的二次溅射会导致器件的早期失效。... 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
棘突悬吊式椎管扩大成形术治疗K线阴性颈椎后纵韧带骨化症的远期疗效
收藏 引用
医学综述 2021年 第24期27卷 4951-4957,4963页
作者: 郑乐宇 任航 池辉 于泰隆 马妮娅 Subedi Dipendra Prajapati Ravi kumar 祖佳宁 徐公平 闫景龙 由长城 哈尔滨医科大学附属第二医院骨六科 哈尔滨150000 哈尔滨医科大学附属第二医院骨七科 哈尔滨150000 莱比锡大学 德国萨克森州莱比锡04103
目的观察棘突悬吊式椎管扩大成形术治疗K线阴性颈椎后纵韧带骨化症(oPLL)的远期疗效。方法回顾性分析2014年1月至2016年12月在哈尔滨医科大学附属第二医院脊柱外科接受颈后路棘突悬吊式椎管扩大成形术治疗的101例颈椎后纵韧带骨化患者... 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
Experimental Study on Polymer Nanocomposites Based Strain Sensors for Structural Health Monitoring
收藏 引用
Journal of Minerals and Materials characterization and Engineering(矿物质和材料特性和工程) 2021年 第5期
作者: R. Kiran K. R. Prakash P. chandra V. R. kumar P. B. Asha c. R. P. Rao
来源: 评论
Measurement of the integrated luminosity of the Phase 2 data of the Belle Ⅱ experiment
收藏 引用
chinese Physics c 2020年 第2期44卷 1-12页
作者: F.Abudinén I.Adachi P.Ahlburg H.Aihara N.Akopov A.Aloisio F.Ameli L.Andricek N.Anh Ky D.M.Asner H.Atmacan T.Aushev V.Aushev T.Aziz K.Azmi V.Babu S.Baehr S.Bahinipati A.M.Bakich P.Bambade Sw.Banerjee S.Bansal V.Bansal M.Barrett J.Baudot A.Beaulieu J.Becker P.K.Behera J.V.Bennett E.Bernieri F.U.Bernlochner M.Bertemes M.Bessner S.Bettarini V.Bhardwaj F.Bianchi T.Bilka S.Bilokin D.Biswas G.Bonvicini A.Bozek M.Bračko P.Branchini N.Braun T.E.Browder A.Budano S.Bussino M.campajola L.c.o.G.casarosa c.cecchi D.Červenkov M.-c.chang P.chang R.cheaib V.chekelian Y.Q.chen Y.-T.chen B.G.cheon K.chilikin H.-E.c.o.K.c.o.S.c.o.S.-K.c.o. S.c.o.dhury D.cinabro L.corona L.M.cremaldi S.cunliffe T.czank F.Dattola E.De La cruz-Burelo G.De Nardo M.De Nucc.o.G.De Pietro R.de Sangro M.Destefanis S.Dey A.De Yta-Hernandez F.Di capua S.Di carlo J.Dingfelder Z.Doležal I.Domínguez Jiménez T.V.Dong K.Dort S.Dubey S.Duell S.Eidelman M.Eliachevitch T.Ferber D.Ferlewicz G.Finocchiaro S.Fiore A.Fodor F.Forti A.Frey B.G.Fulsom M.Gabriel E.Ganiev M.Garcia-Hernandez R.Garg A.Garmash V.Gaur A.Gaz U.Gebauer A.Gellrich J.Gemmler T.Geßler R.Giordano A.Giri B.Gobbo R.Godang P.Goldenzweig B.Golob P.Gomis P.Grace W.Gradl E.Graziani D.Greenwald c.Hadjivasiliou S.Halder K.Hara T.Hara o.Hartbrich K.Hayasaka H.Hayashii c.Hearty M.T.Hedges I.Heredia de la cruz M.Hernández Villanueva A.Hershenhorn T.Higuchi E.c.Hill H.Hirata M.Hoek S.Hollitt T.Hotta c.-L.Hsu Y.Hu K.Huang T.Iijima K.Inami G.Inguglia J.Irakkathil Jabbar A.Ishikawa R.Itoh M.Iwasaki Y.Iwasaki S.Iwata P.Jackson W.W.Jacobs D.E.Jaffe E.-J.Jang H.B.Jeon S.Jia Y.Jin c.Joo J.Kahn H.Kakuno A.B.Kaliyar G.Karyan Y.Kato T.Kawasaki H.Kichimi c.Kiesling B.H.Kim c.-H.Kim D.Y.Kim S.-H.Kim Y.K.Kim Y.Kim T.D.Kimmel K.Kinoshita c.Kleinwort B.Knysh P.Kodyš T.Koga I.Komarov T.Konno S.Korpar D.Kotchetkov N.Kovalchuk T.M.G.Kraetzschmar P.Križan R.Kroeger J.F.Krohn P.Krokovny W.Kuehn T.Kuhr M.kumar R.kumar K.kumara S.Kurz A.Kuzmin Y.-J.Kwon S.Lacaprara Y.-T.Lai c.La Licata K.Lalwani L.Lanceri J.S.Lange K.Lautenbach I.-S.Le Beihang University Beijing 100191 Brookhaven National Laboratory UptonNew York 11973 Budker Institute of Nuclear Physics SB RAS Novosibirsk 630090 centro de Investigac.o. y de Estudios Avanzados del Instituto Politecnico Nac.o.al Mexico City 07360 Faculty of Mathematics and Physics Charles University12116 Prague chiba University Chiba 263-8522 consejo Nac.o.al de ciencia y Tec.o.ogía Mexico City 03940 Deutsches Elektronen–Synchrotron 22607 Hamburg Duke University DurhamNorth Carolina 27708 Earthquake Research Institute University of TokyoTokyo 113-0032 Forschungszentrum Jülich 52425 Jülich Department of Physics Fu Jen Catholic UniversityTaipei 24205 Key Laboratory of Nuclear Physics and Ion-beam Application(MoE)and Institute of Modern Physics Fudan UniversityShanghai 200443 II.Physikalisches Institut Georg-August-Universität Göttingen37073 Göttingen Gifu University Gifu 501-1193 The Graduate University for Advanced Studies(SoKENDAI) Hayama 240-0193 Gyeongsang National University Jinju 52828 Department of Physics and Institute of Natural Sciences Hanyang UniversitySeoul 04763 High Energy Accelerator Research organization(KEK) Tsukuba 305-0801 J-PARc Branch KEK Theory CenterHigh Energy Accelerator Research Organization(KEK)Tsukuba 305-0801 Indian Institute of Science Education and Research Mohali SAS Nagar140306 Indian Institute of Technology Bhubaneswar Satya Nagar 751007 Indian Institute of Technology Hyderabad Telangana 502285 Indian Institute of Technology Madras Chennai 600036 Indiana University BloomingtonIndiana 47408 Institute for High Energy Physics Protvino 142281 Institute of High Energy Physics Vienna 1050 Institute of High Energy Physics Chinese Academy of SciencesBeijing 100049 Institute of Particle Physics(canada) VictoriaBritish Columbia V8W 2Y2 Institute of Physics Hanoi Instituto de Fisica corpuscular Paterna 46980 INFN Laboratori Nazionali di Frascati I-00044 Frascati INFN Sezione di Napoli I-80126 Napoli INFN Sezione di Padova I-35131 Padova INFN Sezione di Perugia I-06123 Perugia
From April to July 2018,a data sample at the peak energy of the T(4 S) resonance was collected with the Belle Ⅱ detec.o. at the SuperKEKB electron-positron *** is the first data sample of the Belle Ⅱ *** Bhabha 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
Induced Polyploidy via colchicine Treatment Increases Flower Size and Fruit Weight in cape Gooseberry(Physalis peruviana L.)
收藏 引用
Journal of Agricultural Science and Technology(B) 2020年 第3期10卷 144-155页
作者: Ravindra kumar Shubhranshu Sengupta Sanyat Misra Satish chandra Narayan Kamleshwari Prasad Singh Department of Horticulture Birsa Agricultural UniversityKankeRanchi-834006JharkhandIndia Department of Plant Breeding and Genetics Birsa Agricultural UniversityKankeRanchi-834006JharkhandIndia Krishi Vigyan Kendra Katihar-854103Bihar Agricultural UniversitySabourBhagalpur-813210BiharIndia
An induced polyploid plant through colchicine treatment offers probably the best scope for improvement in flower size and fruit ***,in the present study,an attempt was made to induce polyploidy in cape gooseberry usin... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论
Notes,outline and divergence times of Basidiomycota
收藏 引用
Fungal Diversity 2019年 第6期99卷 105-367页
作者: Mao-Qiang He Rui-Lin Zhao Kevin D.Hyde Dominik Begerow Martin Kemler Andrey Yurkov Eric H.c.McKenzie olivier Raspe Makoto Kakishima Santiago Sanchez-Ramırez Else c.Vellinga Roy Halling Viktor Papp Ivan V.Zmitrovich Bart Buyck Damien Ertz Nalin N.Wijayawardene Bao-Kai cui Nathan Sc.o.tteten Xin-Zhan Liu Tai-Hui Li Yi-Jian Yao Xin-Yu Zhu An-Qi Liu Guo-Jie Li Ming-Zhe Zhang Zhi-Lin Ling Bin c.o.Vladimir Antonin Teun Boekhout Bianca Denise Barbosa da Silva Eske De c.o. cony Decock Balint Dima Arun kumar Dutta Jack W.Fell Jozsef Geml Masoomeh Ghobad-Nejhad Admir J.Giachini Tatiana B.Gibertoni Sergio P.Gorjon Danny Haelewaters Shuang-Hui He Brendan P.Hodkinson Egon Horak Tamotsu Hoshino Alfredo Justo Young Woon Lim Nelson Menolli Jr Armin Mesic Jean-Marc Moncalvo Gregory M.Mueller La szlo G.Nagy RHenrik Nilsson Machiel Noordeloos Jorinde Nuytinck Takamichi orihara cheewangkoon Ratchadawan Mario Rajchenberg Alexandre G.S.Silva-Filho Marcelo Aloisio Sulzbacher Zdenko Tkalcec Ricardo Valenzuela Annemieke Verbeken Alfredo Vizzini Felipe Wartc.o. Tie-Zheng Wei Michael WeiB chang-Lin Zhao Paul M.Kirk State Key Laboratory of Mycology Institute of MicrobiologyChinese Academy of SciencesBeijing 100101People’s Republic of China Department of Entomology and Plant Pathology Faculty of AgricultureChiang Mai UniversityChiang Mai 50200Thailand center of Excellence in Fungal Research Mae Fah Luang UniversityChiang Rai 57100Thailand college of Life Sciences University of Chinese Academy of SciencesHuairou DistrictBeijing 100408People’s Republic of China Ruhr-Universitat Bochum AG GeobotanikND03UniversitatsstraBe 15044801 BochumGermany Leibniz Institute DSMZ-German collection of Mic.o.rganisms and cell cultures InhoffenstraBe 7B38124 BrunswickGermany Manaaki Whenua-Landcare Research Private Bag 92170AucklandNew Zealand Research Department Meise Botanic GardenNieuwelaan 381860 MeiseBelgium Service General de l'Enseignement superieur et de la Recherche scientifique Federation Wallonie-BruxellesLavallee 11080 BrusselsBelgium University of Tsukuba TsukubaIbaraki 305-8572Japan Department of Ecology and Evolutionary Biology University of Toronto25 Willcocks St.TorontoON M5S 3B2Canada Berkeley USA Institute of Systematic Botany The New York Botanical GardenBronxNY 10458-5126USA Department of Botany Szent Istvan University1518 BudapestHungary Komarov Botanical Institute Russian Academy of SciencesProfessor Popov st.2Saint PetersburgRussia 197376 Institut pour Systematique Ecologie Biodiversite(ISYEB UMR 7205) Sorbonne universiteMuseum National d’Histoire Naturelle CP 39CNRSDepartement Origines et Evolution12 Rue Buffon75005 ParisFrance Institute of Mic.o.iology Beijing Forestry UniversityBeijing 100083People’s Republic of China Department of Biology Research Group MycologyGhent UniversityK.L.Ledeganckstraat 359000 GhentBelgium State Key Laboratory of Applied Mic.o.iology Southern china Guangdong Provincial Key Laboratory of Microbial Culture Collection and ApplicationGuangdong Institute of MicrobiologyGuangzhou 510070People’s Republic of China Department of Botany Moravian Mu
The Basidiomycota constitutes a major phylum of the kingdom Fungi and is second in species numbers to the *** present work provides an overview of all validly published,currently used basidiomycete genera to date in a... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论
Kinetics of the oxidation of Hydrogen Sulfide by Atmospheric.o.ygen in an Aqueous Medium
收藏 引用
Journal of Atmospheric Science Research 2021年 第3期4卷 46-59页
作者: Deepak Singh Rathore Vimlesh kumar Meena chandra Pal Singh chandel Krishna Swarup Gupta Atmospheric chemistry Laboratory Department of ChemistryUniversity of RajasthanJaipur302004India
Hydrogen sulfide is an important acid rain precursor and this led us to investigate the kinetics of its oxidation in aqueous phase by atmospheric *** kinetics was followed by measuring the depletion of oxygen in a ***... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论
印度岩画概况及其研究
收藏 引用
内蒙古大学艺术学院学报 2016年 第2期13卷 14-30页
作者: 吉日拉吉.库马尔 张嘉馨 肖波 达耶尔巴格教育学院 中央民族大学民族学与社会学院 北京100089 南京师范大学社会发展学院 南京210097
本文对印度岩画进行了全面而概要的介绍;着重探讨了印度最主要的岩画点"比莫贝特卡岩画点"(Bhimbetka)、"达拉奇—查丹岩画点"(Daraki-chattan)、"查特普吉纳什·纳拉岩画点"(chaturbhujnath Nala)的发现和研究现状;并对印度岩画的... 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
Genomic and transcriptomic analysis unveils population evolution and development of pesticide resistance in fall armyworm Spodoptera frugiperda
收藏 引用
Protein & cell 2022年 第7期13卷 513-531页
作者: Furong Gui Tianming Lan Yue Zhao Wei Guo Yang Dong Dongming Fang Huan Liu Haimeng Li Hongli Wang Ruoshi Hao Xiaofang cheng Yahong Li Pengcheng Yang Sunil kumar Sahu Yaping chen Le cheng Shuqi He Ping Liu Guangyi Fan Haorong Lu Guohai Hu Wei Dong Bin chen Yuan Jiang Yongwei Zhang Hanhong Xu Fei Lin Bernard Slippers Alisa Postma Matthew Jackson Birhan Addisie Abate Kassahun Tesfaye Aschalew Lemma Demie Meseret Destaw Bayeleygne Dawit Tesfaye Degefu Feng chen Paul K.Kuria Zachary M.Kinyua Tong-Xian Liu Huanming Yang Fangneng Huang Xin Liu Jun Sheng Le Kang State Key Laboratory for conservation and Utilization of Bioresources in Yunnan Yunnan Agricultural UniversityKunming 650201China State Key Laboratory of Agricultural Genomics BGI-ShenzhenShenzhen 518083China State Key Laboratory of Integrated Management of Pest Insects and Rodents Institute of ZoologyChinese Academy of SciencesBeijing 100101China Beijing Institutes of Life Science Chinese Academy of SciencesBeijing 100101China MGI BGI-ShenzhenShenzhen 518083China BGI-Qingdao BGI-ShenzhenQingdao 266555China BGI-Yunnan No.389 Haiyuan RoadHigh-tech Development ZoneKunming 650106China china National GeneBank Jinsha RoadDapeng New DistrictShenzhen 518120China Department of Biology University of Copenhagen2100 CopenhagenDenmark Guangdong Provincial Key Laboratory of Genome Read and Write BGI-ShenzhenShenzhen 518120China Guangdong Provincial Academician Workstation of BGI Synthetic Genomics BGI-ShenzhenShenzhen 518120China Yunnan Plateau characteristic Agriculture Industry Research Institute Kunming 650201China college of Plant Health and Medicine Qingdao Agricultural UniversityQingdao 266109China Department of Entomology Louisiana State University Agricultural CenterBaton RougeLA 70803USA cAS center for Excellence in Biotic Interactions University of Chinese Academy of SciencesBeijing 100101China Yunnan Plant Protection and Quarantine Station Kunming 650034China State Key Laboratory for conservation and Utilization of Subtropical Agro-Bioresources South China Agricultural UniversityGuangzhou 510642China BGI-Americas One Broadway14th FloorCambridgeMA 02142USA Departme nt of Biochemistry Gen etics and MicrobiologyForestry and Agricultural Biotech no logy InstituteUn iversity of PretoriaPretoriaSouth Africa Ethiopian Biotechnology Institute Addis AbabaEthiopia college of Natural Science Addis Ababa UniversityAddis AbabaEthiopia Melkassa Agricultural Research center Ethiopian Institute of Agricultural ResearchMelkassaAddis AbabaEthiopia Kenya Agricultural and Livestock Res
The fall armyworm(FAW),Spodoptera frugiperda,is a destructive pest native to America and has recently become an invasive insect pest in *** of its rapid spread and great risks in china,understanding of FAW genetic bac... 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