咨询与建议

限定检索结果

文献类型

  • 33,301 篇 期刊文献
  • 2,756 册 图书
  • 2,454 篇 会议
  • 16 篇 学位论文
  • 15 篇 报纸

馆藏范围

  • 37,258 篇 电子文献
  • 1,331 种 纸本馆藏

日期分布

学科分类号

  • 15,949 篇 工学
    • 3,814 篇 材料科学与工程(可...
    • 2,217 篇 化学工程与技术
    • 2,009 篇 机械工程
    • 1,698 篇 生物医学工程(可授...
    • 1,378 篇 电子科学与技术(可...
    • 1,280 篇 动力工程及工程热...
    • 1,214 篇 计算机科学与技术...
    • 1,070 篇 电气工程
    • 1,061 篇 力学(可授工学、理...
    • 1,011 篇 地质资源与地质工...
    • 955 篇 环境科学与工程(可...
    • 928 篇 冶金工程
    • 903 篇 控制科学与工程
    • 762 篇 仪器科学与技术
  • 10,491 篇 医学
    • 8,654 篇 临床医学
    • 1,565 篇 医学技术(可授医学...
    • 1,520 篇 基础医学(可授医学...
    • 1,054 篇 公共卫生与预防医...
    • 814 篇 中西医结合
  • 8,854 篇 理学
    • 2,418 篇 化学
    • 2,349 篇 物理学
    • 1,953 篇 生物学
    • 1,100 篇 地质学
    • 991 篇 数学
    • 865 篇 地球物理学
  • 3,336 篇 农学
    • 936 篇 作物学
    • 871 篇 畜牧学
  • 2,036 篇 管理学
    • 824 篇 管理科学与工程(可...
  • 1,278 篇 教育学
    • 789 篇 教育学
  • 1,265 篇 经济学
    • 1,109 篇 应用经济学
  • 779 篇 法学
  • 760 篇 文学
  • 330 篇 历史学
  • 322 篇 艺术学
  • 289 篇 哲学
  • 97 篇 军事学

主题

  • 381 篇 美国
  • 199 篇 ct
  • 167 篇 患者
  • 159 篇 北美洲
  • 148 篇 mri
  • 127 篇 美利坚合众国
  • 92 篇 病人
  • 73 篇 治疗
  • 69 篇 中国
  • 63 篇 mr
  • 58 篇 analysis
  • 57 篇 日本
  • 57 篇 并发症
  • 53 篇 应用
  • 49 篇 金属材料
  • 47 篇 大洋洲
  • 45 篇 计算机
  • 43 篇 设计
  • 42 篇 农业
  • 42 篇 小麦

机构

  • 118 篇 同济医科大学附属...
  • 116 篇 香港理工大学
  • 103 篇 北京大学
  • 93 篇 南京大学
  • 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 nstitucio catala...
  • 67 篇 department of ph...
  • 67 篇 school of physic...
  • 67 篇 ludwig-maximilia...
  • 66 篇 national researc...
  • 66 篇 cea/saclay dsm/i...
  • 66 篇 department of ph...

作者

  • 101 篇 叶鹏
  • 88 篇 v.i.belousov
  • 85 篇 h.murayama
  • 85 篇 j.d.jackson
  • 85 篇 g.d'ambrosio
  • 85 篇 m.white
  • 85 篇 p.de jong
  • 80 篇 v.burkert
  • 77 篇 y.hayato
  • 76 篇 a.v.gritsan
  • 68 篇 a.gurtu
  • 66 篇 m.carena
  • 64 篇 a.masoni
  • 62 篇 kavli ipmu
  • 62 篇 l.pape
  • 47 篇 s.rolli
  • 41 篇 a.d.martin
  • 40 篇 b.heltsley
  • 36 篇 s.r.klein
  • 36 篇 d.h.weinberg

语言

  • 27,942 篇 中文
  • 10,579 篇 英文
  • 1 篇 德文
  • 1 篇 日文
检索条件"作者=a.ron W.Ja.es"
38542 条 记 录,以下是1-10 订阅
排序:
A review on the scale-up of high-shear wet granulation processes and the impact of process parameters
收藏 引用
Particuology 2024年 第9期92卷 180-195页
作者: Ana Rita Alves Marta Filipe Simões Sérgio Simões João Gomes University of Coimbra CERESDepartment of Chemical EngineeringFaculty of Sciences and TechnologyRua Sílvio Lima3030-790CoimbraPortugal Bluepharma-Indústria Farmacêutica São Martinho do BispoCoimbra3045-016Portugal Faculty of Pharmacy University of CoimbraAzinhaga de Santa Comba3000-548CoimbraPortugal
wet granulation is one of the most important agglomeration processes,and high-shear granulation(HSG)one of the most employed technologies in the pharmaceutical *** most critical process parameters of HSG are discussed... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论
Fecal calprotectin and endoscopic scores: The cornerstones in clinical practice for evaluating mucosal healing in inflammatory bowel disease
收藏 引用
world Journal of Gastroenterology 2024年 第24期30卷 3022-3035页
作者: Marcia Henriques de Magalhães Costa Ligia Yukie Sassaki Júlio Maria Fonseca Chebli Department of Clinical Medicine Fluminense Federal UniversityRio de Janeiro 24210-200Brazil Department of Internal Medicine Medical SchoolSão Paulo State University(Unesp)Botucatu 18618-686São PauloBrazil Division of Gastroenterology Department of MedicineUniversity Hospital of The Federal University of Juiz de ForaUniversity of Juiz de Fora School of MedicineJuiz de Fora 36036-247Minas GeraisBrazil
Managing inflammatory bowel disease(IBD)is becoming increasingly complex and personalized,considering the advent of new advanced therapies with distinct mechanisms of *** mucosal healing(MH)is a pivotal therapeutic go... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论
Accuracy of tree mapping based on hand-held laser scanning comparing leaf-on and leaf-off conditions in mixed forests
收藏 引用
Journal of Forestry Research 2024年 第5期35卷 14-25页
作者: Frederico Tupinambá-Simões Adrián Pascual Juan Guerra-Hernández Cristóbal Ordóñez Tiago de Conto Felipe Bravo iuFOR Sustainable Forest Management Research InstituteUniversity of Valladolid&INIAValladolidSpain Department of Geographical Sciences University of MarylandCollege ParkMD 20742USA Forest Research Centre School of AgricultureUniversity of LisbonTapada da Ajuda1349‑017 LisbonPortugal
The use of mobile laser scanning to survey forest ecosystems is a promising,scalable technology to describe forest 3D structures at high *** confirm the con-sistency in the retrieval of forest structural parameters us... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论
Superexchange and charge transfer in the nickelate superconductor La_(3)Ni_(2)O_(7) under pressure
收藏 引用
Science China(Physics,Mechanics & Astronomy) 2024年 第11期67卷 1-8页
作者: wéi wú Zhihui Luo Dao-Xin Yao Meng wang Center for Neutron Science and Technology Guangdong Provincial Key Laboratory of Magnetoelectric Physics and DevicesSchool of PhysicsSun Yat-sen UniversityGuangzhou 510275China
Recently, a bulk nickelate superconductor La_(3)Ni_(2)O_(7) is discovered at pressures with a remarkable high transition temperature T_(c)~ 80 K. Here, we study a Hubbard model with tight-binding parameters derived fr... 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
Twenty-nine million intrinsic Q-factor monolithic microresonators on thin-film lithium niobate
收藏 引用
Photonics Research 2024年 第8期12卷 I0001-I0006页
作者: XINRUI ZHU YAOwEN HU SHENGYUAN LU HANA KwARNER XUDONG LI YUNXIANG SONG LETÍCIA MAGALHÃes AMIRHASSAN SHAMS-ANSARI ANDREA CORDARO NEIL SINCLAIR MARKO LONČAR John A.Paulson School for Engineering and Applied Sciences Harvard UniversityCambridgeMassachusetts 02138USA State Key Laboratory for Mesoscopic Physics and Frontiers Science Center for Nano-optoelectronics School of PhysicsPeking UniversityBeijing 100871China DRS Daylight Solutions San DiegoCalifornia 92127USA
The recent emergence of thin-film lithium niobate(TFLN)has extended the landscape of integrated *** has been enabled by the commercialization of TFLN wafers and advanced nanofabrication of TFLN such as high-quality dr... 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
Superplasticity of fine-grained Mg-10Li alloy prepared by severe plastic deformation and understanding its deformation mechanisms
收藏 引用
Journal of Magnesium and Alloys 2024年 第1期12卷 316-331页
作者: H.T.Jeong S.w.Lee w.J.Kim Department of Materials Science and Engineering Hongik UniversityMapo-guSangsu-dong 72-1Seoul 121-791Republic of Korea
The superplastic behavior and associated deformation mechanisms of a fine-grained Mg-10.1 Li-0.8Al-0.6Zn alloy(LAZ1011)with a grain size of 3.2μm,primarily composed of the BCCβphase and a small amount of the HCPαph... 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
Alpha-1 antitrypsin deficiency and Pi*Z allele as important co-factors in the development of liver fibrosis
收藏 引用
world Journal of Hepatology 2024年 第8期16卷 1099-1110页
作者: Ana Isabel Ferreira Catarina Guimarães Vitor Macedo Silva Sofia Xavier Joana Magalhães JoséCotter Department of Gastroenterology Hospital da Senhora da Oliveira-GuimarãesGuimarães 4835-044Portugal Life and Health Sciences Research Institute School of MedicineUniversity of MinhoBraga 4710-057Portugal Life and Health Sciences Research Institute/3B’s PT Government Associate LaboratoryBraga 4710-057Portugal Department of Pulmonology Hospital Senhora da Oliveira-GuimarãesGuimarães 4835-044Portugal
BACKGROUND Alpha-1 antitrypsin deficiency(AATD)is a codominant autosomal hereditary condition that predisposes patients to the development of lung and/or liver disease,and Pi*Z allele is the most clinically relevant *... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论
Pervasive Attentive Neural Network for Intelligent Image Classification Based on N-CDE’s
收藏 引用
Computers, Materials & Continua 2024年 第4期79卷 1137-1156页
作者: Anas w.Abulfaraj Department of Information Systems Faculty of Computing and Information TechnologyKing Abdulaziz UniversityRabigh21911Saudi Arabia
The utilization of visual attention enhances the performance of image classification *** attentionbased models have demonstrated notable performance,but many of these models exhibit reduced accuracy when confronted wi... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论
The quasi-Gramian solution of a non-commutative extension of the higher-order nonlinear Schr?dinger equation
收藏 引用
Communications in Theoretical Physics 2024年 第3期76卷 51-61页
作者: H w A Riaz J Lin Department of Physics Zhejiang Normal UniversityJinhua 321004China
The nonlinear Schr?dinger(NLS)equation,which incorporates higher-order dispersive terms,is widely employed in the theoretical analysis of various physical *** this study,we explore the non-commutative extension of the... 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
The Economic Demands on the Method of Founding a Passive Brick House on Foamed Glass Granulate
收藏 引用
Journal of Civil Engineering and Architecture 2024年 第5期18卷 218-222页
作者: Marek jašek Faculty of Civil Engineering VSB-TU of OstravaOstrava 70800Czech Republic
The cost of acquisition of a passive house is a little higher than that of a conventional *** design of a passive house should include not only thermal protection and stability of the construction,but it must also tak... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论