咨询与建议

限定检索结果

文献类型

  • 22,588 篇 期刊文献
  • 2,952 篇 会议
  • 159 册 图书
  • 21 篇 学位论文

馆藏范围

  • 25,644 篇 电子文献
  • 80 种 纸本馆藏

日期分布

学科分类号

  • 12,777 篇 工学
    • 4,137 篇 材料科学与工程(可...
    • 2,301 篇 化学工程与技术
    • 2,008 篇 机械工程
    • 1,913 篇 生物医学工程(可授...
    • 1,242 篇 冶金工程
    • 1,196 篇 动力工程及工程热...
    • 1,194 篇 力学(可授工学、理...
    • 1,018 篇 电子科学与技术(可...
    • 926 篇 控制科学与工程
    • 893 篇 计算机科学与技术...
    • 866 篇 电气工程
    • 690 篇 生物工程
    • 663 篇 地质资源与地质工...
    • 626 篇 环境科学与工程(可...
    • 617 篇 核科学与技术
    • 616 篇 土木工程
  • 9,050 篇 医学
    • 7,649 篇 临床医学
    • 1,794 篇 医学技术(可授医学...
    • 1,207 篇 基础医学(可授医学...
    • 841 篇 药学(可授医学、理...
    • 746 篇 中西医结合
    • 647 篇 公共卫生与预防医...
  • 7,979 篇 理学
    • 2,897 篇 化学
    • 2,511 篇 物理学
    • 1,567 篇 生物学
    • 842 篇 数学
    • 673 篇 地球物理学
    • 667 篇 地质学
    • 630 篇 天文学
  • 2,032 篇 农学
    • 616 篇 作物学
  • 872 篇 教育学
  • 853 篇 管理学
  • 507 篇 经济学
  • 279 篇 法学
  • 277 篇 文学
  • 129 篇 艺术学
  • 114 篇 历史学
  • 59 篇 哲学
  • 34 篇 军事学

主题

  • 206 篇 ct
  • 144 篇 mri
  • 107 篇 患者
  • 76 篇 中国
  • 72 篇 mr
  • 69 篇 病人
  • 66 篇 mechanical prope...
  • 61 篇 日本
  • 55 篇 simulation
  • 53 篇 microstructure
  • 51 篇 危险因素
  • 47 篇 analysis
  • 41 篇 of
  • 38 篇 properties
  • 34 篇 前列腺癌
  • 33 篇 气候变化
  • 32 篇 corrosion
  • 32 篇 性能
  • 31 篇 magnetic
  • 29 篇 high

机构

  • 129 篇 北京大学
  • 114 篇 香港理工大学
  • 113 篇 南京大学
  • 95 篇 中国科学院大学
  • 93 篇 上海交通大学
  • 86 篇 香港城市大学
  • 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...
  • 67 篇 cea/saclay dsm/i...

作者

  • 123 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
  • 82 篇 v.burkert
  • 78 篇 y.hayato
  • 78 篇 a.v.gritsan
  • 72 篇 a.gurtu
  • 72 篇 m.carena
  • 71 篇 a.masoni
  • 64 篇 kavli ipmu
  • 63 篇 l.pape
  • 63 篇 s.rolli
  • 60 篇 li y
  • 59 篇 a.d.martin
  • 56 篇 b.heltsley
  • 56 篇 china

语言

  • 14,297 篇 中文
  • 11,423 篇 英文
检索条件"作者=Y.Vargas Rodríguez"
25720 条 记 录,以下是41-50 订阅
排序:
Actuality and underlying mechanisms of systemic immuneinflammation index and geriatric nutritional risk index prognostic value in hepatocellular carcinoma
收藏 引用
World Journal of Gastrointestinal Surgery 2024年 第2期16卷 260-265页
作者: Konstantin y Tchilikidi Department of Surgery with Postgraduate Education Altai State Medical UniversityBarnaul 656031Russia
This editorial contains comments on the article“Correlation between preoperative systemic immune inflammation index,nutritional risk index,and prognosis of radical resection of liver cancer”in a recent issue of the ... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论
Ex vivo liver resection and auto-transplantation and special systemic therapy in perihilar cholangiocarcinoma treatment
收藏 引用
World Journal of Gastrointestinal Surgery 2024年 第3期16卷 635-640页
作者: Konstantin y Tchilikidi Department of Surgery with Postgraduate Education Altai State Medical UniversityBarnaul 656031Russia
This editorial contains comments on the article“Systematic sequential therapy for ex vivo liver resection and autotransplantation:A case report and review of li-terature”in the recent issue of World Journal of Gastr... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论
Quantum correlations and entanglement in coupled optomechanical resonators with photon hopping via Gaussian interferometric power analysis
收藏 引用
Chinese Physics B 2024年 第5期33卷 204-211页
作者: y.Lahlou B.Maroufi M.Daoud LPHE-MS Department of PhysicsFaculty of SciencesMohammed V UniversityRabatMorocco LPMS Department of PhysicsFaculty of SciencesIbn Tofail UniversityKénitraMorocco
Quantum correlations that surpass entanglement are of great importance in the realms of quantum information processing and quantum ***,for quantum systems prepared in pure states,it is difficult to differentiate betwe... 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
Spermotrend Improves Semen Quality and Infertility in Men with Varicocele —Spermotrend and Male Infertility
收藏 引用
Advances in Reproductive Sciences 2024年 第2期12卷 83-97页
作者: Melida Aguilar Chamorro Sergio Antonio vargas Collado David Marquez Soriano Clinica Seniors Managua Nicaragua Scientific Department Catalysis S.L. Madrid Spain
Background: Infertility affects 8% - 12% of couples globally, with approximately half of the cases reported in males. Oxidative stress is a common factor increased in the varicocele condition and particularly affects ... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论
Origin and evolution of the genera Lonsdaleia and Actinocyathus:Insights for the Mississippian palaeogeography from the western Palaeotethys
收藏 引用
Journal of Palaeogeography 2023年 第2期12卷 296-310页
作者: Isabel rodríguez-Castro Ian D.Somerville Sergio rodríguez Departamento de Geodinamica Estratigrafía y PaleontologíaUniversidad Complutense de Madrid28040MadridSpain UCD School of Earth Sciences University College DublinBelfieldDublin 4Ireland Instituto de Geociencias(CSIC UCM)Ciudad Universitaria28040MadridSpain
Representatives of the subfamily Lonsdaleiinae Chapman,1893 are common in the Mississippian of the western Palaeotethys.A general analysis of the origin,distribution and evolution of that subfamily has been *** most p... 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
Is magnesium deficiency the major cause of needle chlorosis of Pinus taeda in Brazil?
收藏 引用
Journal of Forestry Research 2024年 第2期35卷 209-221页
作者: Antônio Carlos vargas Motta Shizuo Maeda Valdécio dos Santos dos Santos rodrigues Tamires Maiara Ercole Stephen Arthur Prior Ana Elisa Lyra Brumat Amanda Pacheco Cardoso Moura Julierme Zimmer Barbosa João Bosco Vasconcellos Gomes Department of Soil Sciences and Agriculture Engineering Federal University of ParanáR.dos Funcionários1540.CuritibaParanáCEP 80035‑050Brazil Brazilian Agricultural Research Company Embrapa FlorestasEstr.da Ribeira–Br‑476Km 111–Parque Monte Castelo.ColomboParanáCEP 83411‑000Brazil United States Department of Agriculture‑Agricultural Research Service USDA-ARS National Soil Dynamics Laboratory411 South Donahue DriveAuburnAL 36832USA Reforestation Remasa Rodovia PR 170–Km 522.BiturunaParanáCEP 84640‑000Brazil Federal Institute of Southeast of Minas Gerais R.Luz Interior360.Juiz de ForaMinas Gerais CEP 36030‑713Brazil
Needle chlorosis(NC)in Pinus taeda *** in Brazil becomes more frequent after second and third harvest rotation *** a study to identify factors contributing to yellowing needle chorosis(yNC),trees were grown in soils o... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论
Complexity of adaptive testing in scenarios defined extensionally
收藏 引用
Frontiers of Computer Science 2023年 第3期17卷 11-28页
作者: Ismael rodrÍguez David RUBIO Fernando RUBIO Dpto.Sistemas Informáticos y Computación Facultad de InformáticaUniversidad Complutense de MadridMadrid 28040Spain Instituto de Tecnologías del Conocimiento Universidad Complutense de MadridMadrid 28040Spain Instituto de Biomecánica de Valencia.Universitat Politècnica de València València 46022Spain
In this paper,we consider a testing setting where the set of possible definitions of the Implementation Under Test(IUT),as well as the behavior of each of these definitions in all possible interactions,are extensional... 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 Clinical Characteristics and Plasma Cortisol Concentrations in Individuals with COVID-19 and Post-COVID Syndrome
收藏 引用
Case Reports in Clinical Medicine 2024年 第1期13卷 12-24页
作者: David Alejandro García López Stephania Ramos Hernández yamile López-Hernández María Argelia López Luna Elena Donaji Ramírez Alvarado Rosa María Ramírez Santoyo Sergio Hugo Sánchez rodríguez Laboratorio de Biología Celular y Neurobiología Universidad Autónoma de Zacatecas México Zacatecas Unidad Académica de Ciencias Químicas Universidad Autónoma de Zacatecas México Zacatecas Laboratorio de Metabolómica y Proteómica Universidad Autónoma de Zacatecas México Zacatecas Laboratorio de Bacterias y Hongos filamentosos Universidad Autónoma de Zacatecas México Zacatecas
COVID-19 generates systematic alterations in humans both in active stages of infection and over time, called post-COVID syndrome. Cortisol is a hormone that is overexpressed in inflammation and cellular stress process... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论
Hierarchical Control Strategy for Load Regulation Based on Stackelberg Game Theory Considering Randomness
收藏 引用
CSEE Journal of Power and Energy Systems 2024年 第3期10卷 929-941页
作者: Tingyu Jiang Ping Ju C.y.Chung yuzhong Gong College of Energy and Electrical Engineering Hohai UniversityNanjing 211100China Department of Electrical Engineering City University of Hong KongHong Kong CF624China Department of Electrical and Computer Engineering University of SaskatchewanSaskatoonSK S7N 5A9Canada CSEE IEEE
Demand response has been recognized as a valuable functionality of power systems for mitigating power *** paper proposes a hierarchical control strategy among the distribution system operator(DSO),load aggregators(LAs... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论
Data-driven Static Equivalence with Physics-informed Koopman Operators
收藏 引用
CSEE Journal of Power and Energy Systems 2024年 第1期10卷 432-438页
作者: Wei Lin Changhong Zhao Maosheng Gao C.y.Chung Department of Electrical Engineering The Hong Kong Polytechnic UniversityHong Kong SARChina Department of Information Engineering The Chinese University of Hong KongHong Kong SARChina School of Electrical Engineering Chongqing UniversityChongqing 400044China
With deployment of measurement units,fitting static equivalent models of distribution networks(DNs)by linear regression has been recognized as an effective method in power flow analysis of a transmission *** volatilit... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论