咨询与建议

限定检索结果

文献类型

  • 21,919 篇 期刊文献
  • 2,945 篇 会议
  • 155 册 图书
  • 18 篇 学位论文

馆藏范围

  • 24,965 篇 电子文献
  • 76 种 纸本馆藏

日期分布

学科分类号

  • 11,464 篇 工学
    • 3,148 篇 材料科学与工程(可...
    • 1,360 篇 生物医学工程(可授...
    • 1,309 篇 化学工程与技术
    • 919 篇 机械工程
    • 749 篇 电子科学与技术(可...
    • 516 篇 动力工程及工程热...
    • 508 篇 计算机科学与技术...
    • 495 篇 核科学与技术
    • 444 篇 电气工程
    • 439 篇 仪器科学与技术
    • 428 篇 力学(可授工学、理...
    • 425 篇 地质资源与地质工...
    • 415 篇 土木工程
    • 363 篇 光学工程
    • 358 篇 水利工程
  • 8,439 篇 医学
    • 6,846 篇 临床医学
    • 1,375 篇 医学技术(可授医学...
    • 959 篇 基础医学(可授医学...
    • 733 篇 中西医结合
    • 473 篇 公共卫生与预防医...
    • 384 篇 药学(可授医学、理...
  • 5,034 篇 理学
    • 1,259 篇 物理学
    • 980 篇 化学
    • 639 篇 生物学
    • 502 篇 数学
    • 496 篇 地质学
    • 359 篇 地球物理学
  • 1,820 篇 农学
    • 482 篇 作物学
  • 760 篇 管理学
  • 469 篇 经济学
    • 426 篇 应用经济学
  • 425 篇 教育学
    • 353 篇 教育学
  • 259 篇 文学
  • 228 篇 法学
  • 99 篇 历史学
  • 97 篇 艺术学
  • 56 篇 哲学
  • 34 篇 军事学

主题

  • 201 篇 ct
  • 140 篇 mri
  • 106 篇 患者
  • 80 篇 中国
  • 70 篇 mr
  • 66 篇 病人
  • 65 篇 mechanical prope...
  • 61 篇 日本
  • 53 篇 simulation
  • 51 篇 microstructure
  • 50 篇 危险因素
  • 41 篇 analysis
  • 36 篇 properties
  • 35 篇 气候变化
  • 35 篇 of
  • 31 篇 性能
  • 29 篇 corrosion
  • 29 篇 high
  • 28 篇 药物治疗
  • 28 篇 magnetic

机构

  • 131 篇 北京大学
  • 114 篇 香港理工大学
  • 114 篇 南京大学
  • 103 篇 中国科学院大学
  • 93 篇 上海交通大学
  • 84 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

  • 121 篇 叶鹏
  • 85 篇 h.murayama
  • 85 篇 j.d.jackson
  • 85 篇 g.d'ambrosio
  • 85 篇 m.white
  • 84 篇 p.de jong
  • 84 篇 v.i.belousov
  • 82 篇 v.burkert
  • 79 篇 y.hayato
  • 78 篇 a.v.gritsan
  • 73 篇 a.gurtu
  • 73 篇 m.carena
  • 72 篇 a.masoni
  • 64 篇 kavli ipmu
  • 64 篇 l.pape
  • 64 篇 s.rolli
  • 61 篇 a.d.martin
  • 60 篇 li y
  • 59 篇 b.heltsley
  • 56 篇 china

语言

  • 14,703 篇 中文
  • 10,334 篇 英文
检索条件"作者=Nfa.y kona.é"
25037 条 记 录,以下是11-20 订阅
排序:
On power series statistical convergence and new uniform integrability of double sequences
收藏 引用
Applied Mathematics(A Journal of Chinese Universities) 2024年 第3期39卷 519-532页
作者: Sevda y■ld■z Kamil Demirci Sinop University Department of MathematicsSinopTurkey
In the present paper,we mostly focus on P_(p)^(2)-statistical *** will look into the uniform integrability via the power series method and its characterizations for double ***,the notions of P_(p)^(2)-statistically Ca... 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
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
Unique Genetic Features of Lean NAFLD: A Review of Mechanisms and Clinical Implications
收藏 引用
Journal of Clinical and Translational Hepatology 2024年 第1期12卷 70-78页
作者: Jasmine Tidwell George y.Wu Department of Medicine University of Connecticut Health CenterFarmingtonCTUSA Division of Gastroenterology-Hepatology University of Connecticut Health CenterFarmingtonCTUSA
Non-alcoholic fatty liver disease(NAFLD)affects 25%of the global *** 20%have a normal body mass index(BMI)and a variant known as lean *** typical NAFLD cases associated with obesity and diabetes,lean NAFLD causes live... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论
Heritable Chronic Cholestatic Liver Diseases:A Review
收藏 引用
Journal of Clinical and Translational Hepatology 2024年 第8期12卷 726-738页
作者: Jasmine Tidwell George y.Wu Department of Medicine University of Connecticut Health CenterFarmingtonCTUSA Division of Gastroenterology-Hepatology University of Connecticut Health CenterFarmingtonCTUSA
Chronic cholestasis due to heritable causes is usually diagnosedin ***,many cases can present andsurvive into *** time course varies considerablydepending on the underlying *** data usuallyreveal elevated conjugated h... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论
In-situ construction of grass-like hybrid architecture responsible for extraordinary corrosion performance: Experimental and theoretical approach
收藏 引用
Nano Materials Science 2024年 第1期6卷 44-59页
作者: T.Suhartono F.Hazmatulhaq y.Sheng A.Chaouiki M.P.Kamil y.G.Ko Materials Electrochemistry Group School of Materials Science and EngineeringYeungnam UniversityGyeongsan38541Republic of Korea Research Center for Advanced Materials National Research and Innovation Agency(BRIN)South TangerangBanten15314Indonesia
Despite the engineering potential by the co-existence of inorganic and organic substances to protect vulnerable metallic materials from corrosive environments,both their interaction and in-situ formation mechanism to ... 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
Effect of Al_(2)O_(3)on the Mechanical Properties of(B_(4)C+Al_(2)O_(3))/Al Neutron Absorbing Materials
收藏 引用
Acta Metallurgica Sinica(English Letters) 2024年 第8期37卷 1411-1420页
作者: J.X.Cai B.M.Shi N.Li y.Liu Z.G.Zhang y.N.Zan Q.Z.Wang B.L.Xiao Z.y.Ma Shi‑Changxu Innovation Center for Advanced Materials Institute of Metal ResearchChinese Academy of SciencesShenyang 110016China Key Laboratory of Nuclear Materials and Safety Assessment Institute of Metal ResearchChinese Academy of SciencesShenyang 110016China Nuclear Equipment Division Beijing Institute of Nuclear EngineeringChina Nuclear Power Engineering Co.Ltd.Beijing 100840China Department of Materials Science School of Mechanical EngineeringShenyang UniversityShenyang 110044China
B_(4)C/Al composites are widely utilized as neutron absorbing materials for the storage and transportation of spent nuclear *** order to improve the high-temperature mechanical properties of B_(4)C/Al composites,in-si... 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