咨询与建议

限定检索结果

文献类型

  • 10,563 篇 期刊文献
  • 279 篇 会议
  • 160 册 图书
  • 52 篇 学位论文

馆藏范围

  • 11,004 篇 电子文献
  • 56 种 纸本馆藏

日期分布

学科分类号

  • 4,651 篇 医学
    • 3,924 篇 临床医学
    • 522 篇 医学技术(可授医学...
    • 329 篇 基础医学(可授医学...
    • 326 篇 中西医结合
    • 249 篇 公共卫生与预防医...
    • 184 篇 药学(可授医学、理...
  • 3,684 篇 工学
    • 842 篇 材料科学与工程(可...
    • 604 篇 化学工程与技术
    • 486 篇 生物医学工程(可授...
    • 336 篇 电子科学与技术(可...
    • 195 篇 机械工程
    • 195 篇 仪器科学与技术
    • 193 篇 光学工程
    • 186 篇 核科学与技术
    • 163 篇 计算机科学与技术...
    • 161 篇 地质资源与地质工...
    • 136 篇 环境科学与工程(可...
    • 122 篇 动力工程及工程热...
  • 2,515 篇 理学
    • 559 篇 物理学
    • 461 篇 化学
    • 377 篇 生物学
    • 335 篇 数学
    • 233 篇 地质学
    • 144 篇 生态学
    • 136 篇 大气科学
  • 1,010 篇 农学
    • 272 篇 畜牧学
    • 226 篇 作物学
    • 193 篇 农业资源与环境
  • 240 篇 管理学
    • 115 篇 管理科学与工程(可...
  • 188 篇 经济学
    • 167 篇 应用经济学
  • 134 篇 教育学
  • 90 篇 法学
  • 69 篇 文学
  • 50 篇 历史学
  • 23 篇 哲学
  • 21 篇 艺术学
  • 11 篇 军事学

主题

  • 79 篇 患者
  • 64 篇 病人
  • 55 篇 cancer
  • 48 篇 mri
  • 40 篇 covid-19
  • 40 篇 phylogeny
  • 37 篇 rare earths
  • 36 篇 côte d’ivoire
  • 33 篇 microstructure
  • 30 篇 analysis
  • 27 篇 药物治疗
  • 27 篇 ct
  • 26 篇 structure
  • 25 篇 diabetes
  • 24 篇 acid
  • 24 篇 temperature
  • 24 篇 system
  • 23 篇 magnetic
  • 23 篇 properties
  • 22 篇 plasma

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

作者

  • 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
  • 83 篇 p.de jong
  • 81 篇 o.dahl
  • 81 篇 b.foster
  • 78 篇 g.rybka
  • 78 篇 a.ringwald
  • 76 篇 v.i.belousov
  • 76 篇 j.beringer
  • 76 篇 m.grnewald
  • 76 篇 s.raby
  • 74 篇 s.blusk

语言

  • 5,632 篇 英文
  • 5,422 篇 中文
检索条件"作者=Fern.n.ez D"
11054 条 记 录,以下是61-70 订阅
排序:
Solar Energy in Qinghai and Andalusia:the Role of the State in the Chinese Success
Solar Energy in Qinghai and Andalusia:the Role of the State ...
收藏 引用
作者: désirée nieto fern.n.ez 上海交通大学
学位级别:硕士
Sustainability is nowadays not only a concept for environmentalists,but a transformation goal for developed countries and the best development option for developing countries *** means going forward while being respec...
来源: 同方学位论文库 同方学位论文库 评论
Effect of a bacterial inoculum and additive on dry matter in situ degradability of sugarcane silage
收藏 引用
Journal of Integrative Agriculture 2015年 第3期14卷 497-502页
作者: José A Reyes-Gutiérrez Oziel d Montaez-Valdez Ramón Rodríguez-Macias Mario Ruíz-López Eduardo Salcedo-Pérez ndido E Guerra-Medina South University Center University of Guadalajara University Center for Biological and Agricultural Science University of Guadalajara South Coast University Center University of Guadalajara
The objective of this study was to evaluate the effect of adding a bacterial inoculum and a handmade additive to sugarcane silage(SCS) on the in situ digestibility of dry matter(dM). The treatments were: T1) sug... 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
Reproductive performance of the Mesa silverside(Chirostoma jordani Woolman,1894)under natural and controlled photoperiods
收藏 引用
BIOCELL 2012年 第3期36卷 105-111页
作者: JOSÉLUIS ARREdOndO-FIGUEROA LAURA GEORGInA nÚÑez-GARCÍA PALOMA AdRIAnA HEREdIA-GUZMÁn JESÚS T.POnCE-PALAFOX Posta Zootécnica Departamento de ZootecniaCentro de Ciencias AgropecuariasUniversidad Autónoma de AguascalientesJesús MaríaAguascalientesMéxico Planta Experimental de Producción Acuícola Departamento de HidrobiologíaCBSUniversidad Autónoma Metropolitana IztapalapaMéxicoD.F Facultad de Estudios Superiores Iztacala Universidad Nacional Autónoma de MéxicoEstado de MéxicoMéxico Centro de Innovación y Transferencia Tecnológica CEnITT Posgrado CBAPEscuela Nacional de Ingeniería PesqueraUniversidad Autónoma de NayaritTepicNayaritMéxico
Chirostoma jordani is a native annual species inhabiting lacustrine waters of the Central Mexico *** is widely distributed and is currently facing high environmental *** experi-ments were performed to study the reprod... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论
Structural and mass transport properties of liquid ytterbium in the temperature range 1123 K–1473 K
收藏 引用
Chinese Physics B 2023年 第6期32卷 481-488页
作者: d d Satikunvar n K Bhatt B Y Thakore department of Physics Sardar Patel UniversityVallabh VidyanagarGujarat 388120India department of Physics Maharaja Krishnakumarsinhji Bhavnagar UniversityBhavnagarGujarat 364001India
We have studied the structural and atomic transport properties of liquid f-shell Yb in the temperature range 1123 K–1473 K. Pair interactions between atoms are derived using a local pseudopotential. The potential par... 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
Research on Low Pass Filter based on Memristor and Memcapacitor
Research on Low Pass Filter based on Memristor and Memcapaci...
收藏 引用
第36届中国控制会议
作者: Yifan Li Chenyu Yang Yongbin Yu Francisco fern.n.ez díez School of Information and Software Engineering University of Electronic Science and Technology of China
The paper highlights a way to introduce memristive components into the filter *** light of memristor and memcapacitor,a novel low pass filter circuit(LPF) is ***,inspired by the typical RC-LPF and the Memristor-C-LP... 详细信息
来源: cnki会议 评论
Insulin resistance is associated with subclinical vascular disease in humans
收藏 引用
World Journal of diabetes 2019年 第2期10卷 63-77页
作者: María M Adeva-Andany Eva Ameneiros-Rodríguez Carlos fern.n.ez-fern.n.ez Alberto domínguez-Montero Raquel Funcasta-Calderón Internal Medicine department Hospital General Juan Cardona
Insulin resistance is associated with subclinical vascular disease that is not justified by conventional cardiovascular risk factors,such as smoking or *** injury associated to insulin resistance involves functional a... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论
Segmental Pigmentation disorder with Congenital Heterochromia Iridis
收藏 引用
Open Journal of Pediatrics 2015年 第3期5卷 213-217页
作者: Carmen Madrigal díez Sara Rodríguez Prado José Héctor fern.n.ez Llaca Primary Paediatric Health Care Centro de Salud Bezana Servicio Cántabro de Salud Spain department of Opthalmology Hospital de Sierrallana Torrelavega Cantabria Spain department of dermatology Hospital Universitario Marqués de Valdecilla Santander Cantabria Spain
We report the case of a 10-year-old girl with congenital complete heterochromia iridis and segmental pigmentation disorder in its hyperpigmented form. We have found no publication that mentions the combination of thes... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论
The nucleolus as a genomic safe harbor for strong gene expression in nannochloropsis oceanica
收藏 引用
Molecular Plant 2022年 第2期15卷 340-353页
作者: Christiandfeld Ana Pozo-Rodríguez Sara A.Manjavacas díez RenéH.Wijffels Maria J.Barbosa Sarah d'Adamo Wageningen University Bioprocess EngineeringPO Box 166700 AA WageningenNetherlands Faculty of Biosciences and Aquaculture Nord University8049 BodøNorway
Microalgae are used in food and feed,and they are considered a potential feedstock for sustainably pro-duced chemicals and ***,production of microalgal-derived chemicals is not yet economically *** engineering could b... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论
Effects of Periodically Inhomogeneous Birefringence on dark-Bright Vector Soliton Propagation and Interaction
收藏 引用
Chinese Physics Letters 2007年 第2期24卷 462-464页
作者: 李宏 d.n. Wang Hubei Key Laboratory of Bioanalytical Technique Hubei Normal University Huangshi 435002 School of Mechanical and Electronic Engineering Huangshi Institute of Technology Huangshi 435002 department of Electrical Engineering The Hong Kong Polytechnic University Hong Kong
The effects of periodically inhomogeneous birefringence on dark-bright vector soliton propagation and interaction are investigated by the numerical method. The birefringence leads to the submergence of the dark solito... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论
Software Project Management Approaches for Global Software development: A Systematic Mapping Study
收藏 引用
Tsinghua Science and Technology 2018年 第6期23卷 690-714页
作者: Manal El Bajta Ali Idri Joaquín nicolás Ros José Luis fern.n.ez-Alemán Juan Manuel Carrillo de Gea Félix García Ambrosio Toval Software Project Management Research Team Ecole Nationale SuperieuredInformatique et d'Analyse des Systemes (ENSIAS)Mohammed V University Rabat 713 Morocco department of Informaticay Sistemas University of Murcia Murcia 30100 Spain ALARCOS Research Groupdepartment of Information Systems and Technologies University of Castilla-La Mancha (UCLM) Ciudad Real13071 Spain
Global Software development (GSd) is a well established field of software engineering with the benefits of a global environment. Software Project Management (SPM) plays a key role in the success of GSd. As a resul... 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