咨询与建议

限定检索结果

文献类型

  • 40,687 篇 期刊文献
  • 2,746 篇 会议
  • 2,624 册 图书
  • 27 篇 学位论文
  • 27 篇 报纸

馆藏范围

  • 44,862 篇 电子文献
  • 1,292 种 纸本馆藏

日期分布

学科分类号

  • 17,156 篇 工学
    • 3,527 篇 材料科学与工程(可...
    • 2,021 篇 化学工程与技术
    • 1,600 篇 生物医学工程(可授...
    • 1,315 篇 机械工程
    • 1,135 篇 电子科学与技术(可...
    • 929 篇 地质资源与地质工...
    • 841 篇 计算机科学与技术...
    • 833 篇 动力工程及工程热...
    • 669 篇 水利工程
    • 661 篇 仪器科学与技术
    • 653 篇 电气工程
    • 603 篇 环境科学与工程(可...
  • 14,043 篇 医学
    • 11,486 篇 临床医学
    • 1,763 篇 医学技术(可授医学...
    • 1,241 篇 基础医学(可授医学...
    • 1,066 篇 中西医结合
    • 854 篇 公共卫生与预防医...
    • 626 篇 药学(可授医学、理...
  • 7,962 篇 理学
    • 1,591 篇 物理学
    • 1,418 篇 化学
    • 1,074 篇 生物学
    • 1,032 篇 数学
    • 943 篇 地质学
  • 3,584 篇 农学
    • 842 篇 作物学
    • 796 篇 畜牧学
    • 570 篇 农业资源与环境
  • 1,810 篇 管理学
    • 742 篇 管理科学与工程(可...
    • 597 篇 公共管理
  • 1,211 篇 经济学
    • 1,049 篇 应用经济学
  • 1,098 篇 教育学
    • 831 篇 教育学
  • 908 篇 文学
  • 730 篇 法学
  • 397 篇 历史学
  • 348 篇 哲学
  • 292 篇 艺术学
  • 70 篇 军事学

主题

  • 271 篇 ct
  • 253 篇 患者
  • 248 篇 mri
  • 207 篇 美国
  • 155 篇 病人
  • 121 篇 of
  • 115 篇 mr
  • 99 篇 analysis
  • 88 篇 治疗
  • 80 篇 北美洲
  • 69 篇 diabetes
  • 68 篇 and
  • 56 篇 方程
  • 55 篇 simulation
  • 55 篇 cancer
  • 55 篇 诊断
  • 53 篇 acid
  • 48 篇 大洋洲
  • 48 篇 金属材料
  • 45 篇 美利坚合众国

机构

  • 119 篇 同济医科大学附属...
  • 118 篇 北京大学
  • 68 篇 university of mi...
  • 67 篇 institute for pa...
  • 67 篇 nikhef p.o.box 4...
  • 67 篇 fysikum stockhol...
  • 67 篇 michigan state u...
  • 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...
  • 66 篇 national researc...
  • 66 篇 nstitucio catala...
  • 66 篇 school of physic...
  • 66 篇 ludwig-maximilia...
  • 66 篇 cea/saclay dsm/i...
  • 66 篇 department of ph...
  • 66 篇 department of ph...
  • 65 篇 kobayashi-maskaw...

作者

  • 141 篇 叶鹏
  • 85 篇 h.murayama
  • 85 篇 j.d.jackson
  • 85 篇 g.d'ambrosio
  • 85 篇 m.white
  • 85 篇 p.de jong
  • 84 篇 v.i.belousov
  • 77 篇 v.burkert
  • 76 篇 段雪
  • 71 篇 y.hayato
  • 68 篇 a.v.gritsan
  • 60 篇 kavli ipmu
  • 60 篇 l.pape
  • 45 篇 a.gurtu
  • 44 篇 m.carena
  • 40 篇 a.masoni
  • 33 篇 t.gries
  • 33 篇 王铮
  • 29 篇 刘莉
  • 27 篇 l.littenberg

语言

  • 30,445 篇 中文
  • 15,656 篇 英文
  • 1 篇 法文
检索条件"作者=bila.Gérard Segda"
46111 条 记 录,以下是71-80 订阅
排序:
3D palaeogeographic reconstructions of the Phanerozoic versus sea-level and Sr-ratio variations
收藏 引用
Journal of Palaeogeography 2015年 第1期4卷 64-84页
作者: Christian Vérard Cyril Hochard Peter O.Baumgartner gérard M.Stampfli Université de Lausanne (UNIL) Institut des Sciences de la Terre (ISTE)Geopolis Ch–1015 Lausanne Switzerland
A full global geodynamical model over 600 million years (Ma) has been de- veloped at the University of Lausanne during the past 20 years. We show herein how the 2D maps were converted into 3D (i.e., full hypsometry... 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
geodynamic evolution of the Earth over the Phanerozoic:Plate tectonic activity and palaeoclimatic indicators
收藏 引用
Journal of Palaeogeography 2015年 第2期4卷 167-188页
作者: Christian Vérard Cyril Hochard Peter O.Baumgartner gérard M.Stampfli Université de Lausanne (UNIL) Institut des Sciences de la Terre (ISTE)
During the last decades, numerous local reconstructions based on field geol- ogy were developed at the University of Lausanne (UNIL). Team members of the UNIL partici- pated in the elaboration of a 600 Ma to present... 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
Automatic Rule Discovery for Data Transformation Using Fusion of Diversified Feature Formats
收藏 引用
Computers, Materials & Continua 2024年 第7期80卷 695-713页
作者: g.Sunil Santhosh Kumar M.Rudra Kumar Department of CSE Jawaharlal Nehru Technological UniversityAnantapur515002India Department of CSE Marri Laxman Reddy Institute of Technology and ManagementHyderabad500043India Department of Information Technology Mahatma Gandhi Institute of TechnologyHyderabad500075India
This article presents an innovative approach to automatic rule discovery for data transformation tasks leveraging XgBoost,a machine learning algorithm renowned for its efficiency and *** framework proposed herein util... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论
Esophageal inserted subclavian catheter:a rare complication
收藏 引用
World Journal of Emergency Medicine 2024年 第3期15卷 243-245页
作者: DilberÜçöz Kocaşaban Sertaçgüler Emergency Medicine Clinic Health Sciences University Ankara Training and Research HospitalAnkara 06930Turkey
Central venous catheterization(CVC) is an invasive procedure for administering fluids,nutrients,and drugs;monitoring central venous pressure;performing pulmonary artery catheterization;and placing transvenous pacemake... 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
Eye tracking and child sexual offenders:a systematic review
收藏 引用
Forensic Sciences Research 2021年 第2期6卷 133-140页
作者: Tony godet gérard Niveau Unit of Forensic Psychiatry University center of Legal MedicineGeneva University hospitalsGenevaswitzerland
Eye tracking is used in sexology to identify attractiveness and sexual desire *** systematic review summarizes results of works that have used eye tracking to analyse paedophilic interest in order to investigate its p... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论
Advancements and applications of position-sensitive detector(PSD): a review
收藏 引用
Optoelectronics Letters 2024年 第6期20卷 330-338页
作者: Shaher Dwik g.Sasikala S.Natarajan Department of Electronics&Communication Engineering School of Electrical&CommunicationVel Tech Rangarajan Dr.Sagunthala R&D Institute of Science and TechnologyChennai 600062India Department of Computer Science and Engineering Amrita School of ComputingAmrita Vishwa VidyapeethamChennai 601103India1
This paper presents a review of the position-sensitive detector(PSD) sensor, covering different types of PSD and recent works related to this field. Furthermore, it explains the theoretical concepts and provides infor... 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
Unimolecular Reactions of E-glycolaldehyde Oxide and Its Reactions with One and Two Water Molecules
收藏 引用
Research 2024年 第1期2023卷 809-824页
作者: Yan Sun Bo Long Donald g.Truhlar Department of Physics Guizhou UniversityGuiyang 550025China College of Materials Science and Engineering Guizhou Minzu UniversityGuiyang 550025China Department of Chemistry Chemical Theory Centerand Supercomputing InstituteUniversity of MinnesotaMinneapolisMN 55455-0431USA
The kinetics of Criegee intermediates are important for atmospheric ***,the quantitative kinetics of Criegee intermediates are still very limited,especially for those with hydroxy ***,we calculate rate constants for t... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论
Influence of curing conditions on the shrinkage behavior of three-dimensional printed concrete formwork
收藏 引用
Frontiers of Structural and Civil Engineering 2024年 第8期18卷 1225-1236页
作者: M.BEKAERT K.van TITTELBOOM g.de SCHUTTER Magnel-Vandepitte Laboratory for structural Engineering and Building Materials Department of Structural Engineering and Building MaterialsFaculty of Engineering and ArchitectureGhent UniversityGhent 60 B-9052Belgium
The use of three-dimensional(3D)printed concrete as formwork is becoming more widely applied within the ***,the technology is still not optimized and there are many reports of preliminary cracking during the curing of... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论
Targeting epidermal growth factor receptor signaling to facilitate cortical injury repair?
收藏 引用
Neural Regeneration Research 2024年 第5期19卷 935-936页
作者: Ricardo gómez-Oliva Pedro Nunez-Abades Carmen Castro Área de Fisiología Facultad de Medicina Universidad de CádizCadizSpain Instituto de Investigación e Innovación en Biomedicina de Cádiz CadizSpain Departamento de Fisiología Facultad de FarmaciaUniversidad de SevillaSevilleSpain
The existence of neural stem cells(NSC)in specific areas of the adult mammalian brain leads to the generation of new neurons involved in homeostatic *** is the case of the NSC of the subventricular zone(SVZ)that produ... 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
Improving clinical outcomes of patients with hepatocellular carcinoma:Role of antiviral therapy,conversion therapy,and palliative therapy
收藏 引用
World Journal of gastrointestinal Oncology 2024年 第10期16卷 4037-4041页
作者: Vishal g Shelat Department of general Surgery Tan Tock Seng HospitalSingapore 308433Singapore
In this editorial,I comment on three articles published in the recent issue of the World Journal of gastrointestinal *** carcinoma(HCC)is an important public health concern,and there are three articles on the theme of... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论