咨询与建议

限定检索结果

文献类型

  • 33,992 篇 期刊文献
  • 610 篇 会议
  • 213 册 图书
  • 17 篇 学位论文

馆藏范围

  • 34,757 篇 电子文献
  • 83 种 纸本馆藏

日期分布

学科分类号

  • 15,158 篇 医学
    • 11,769 篇 临床医学
    • 1,313 篇 医学技术(可授医学...
    • 1,089 篇 中西医结合
    • 970 篇 药学(可授医学、理...
    • 932 篇 基础医学(可授医学...
    • 764 篇 公共卫生与预防医...
    • 428 篇 中药学(可授医学、...
    • 412 篇 护理学(可授医学、...
  • 12,129 篇 工学
    • 2,839 篇 化学工程与技术
    • 2,672 篇 材料科学与工程(可...
    • 1,044 篇 生物医学工程(可授...
    • 753 篇 机械工程
    • 736 篇 电子科学与技术(可...
    • 567 篇 计算机科学与技术...
    • 545 篇 环境科学与工程(可...
    • 541 篇 动力工程及工程热...
    • 450 篇 仪器科学与技术
    • 423 篇 水利工程
    • 415 篇 力学(可授工学、理...
  • 7,820 篇 理学
    • 2,194 篇 化学
    • 1,264 篇 物理学
    • 1,160 篇 数学
    • 1,044 篇 生物学
    • 620 篇 生态学
    • 550 篇 地质学
  • 3,362 篇 农学
    • 865 篇 农业资源与环境
    • 848 篇 作物学
    • 462 篇 畜牧学
  • 902 篇 管理学
    • 427 篇 管理科学与工程(可...
  • 543 篇 经济学
    • 495 篇 应用经济学
  • 411 篇 教育学
  • 230 篇 法学
  • 226 篇 文学
  • 100 篇 历史学
  • 69 篇 哲学
  • 61 篇 艺术学
  • 35 篇 军事学

主题

  • 127 篇 预后
  • 120 篇 患者
  • 118 篇 儿童
  • 99 篇 高血压
  • 83 篇 analysis
  • 79 篇 covid-19
  • 78 篇 rare earths
  • 72 篇 cancer
  • 71 篇 diabetes
  • 66 篇 of
  • 65 篇 ct
  • 63 篇 mri
  • 60 篇 心力衰竭
  • 59 篇 structure
  • 57 篇 acid
  • 57 篇 凋亡
  • 56 篇 并发症
  • 56 篇 and
  • 49 篇 危险因素
  • 48 篇 temperature

机构

  • 162 篇 中国科学院大学
  • 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 tifr homi bhabha...
  • 67 篇 institut fur the...
  • 66 篇 dept.of physics ...
  • 64 篇 rudolf peierls c...
  • 63 篇 department of ph...
  • 61 篇 西南大学
  • 61 篇 max-planck-insti...
  • 61 篇 nstitucio catala...
  • 61 篇 cern european or...
  • 60 篇 department of ph...
  • 56 篇 school of physic...
  • 56 篇 复旦大学

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
  • 82 篇 m.white
  • 80 篇 m.drees
  • 72 篇 s.blusk
  • 62 篇 k.monig
  • 54 篇 p.de jong
  • 49 篇 o.dahl
  • 45 篇 b.foster
  • 44 篇 郭战宏
  • 37 篇 王斌
  • 34 篇 李军
  • 34 篇 王铮
  • 34 篇 g.rybka

语言

  • 21,223 篇 中文
  • 13,605 篇 英文
  • 2 篇 日文
  • 1 篇 法文
检索条件"作者=Hu-er s.N"
34832 条 记 录,以下是41-50 订阅
排序:
simultaneous Photocatalytic Oxygen Production and Hexavalent Chromium Reduction in Ag_(3)PO_(4)/C_(3)n_(4)s-scheme Heterojunction
收藏 引用
Chinese Journal of structural Chemistry 2022年 第6期41卷 23-30页
作者: Tao Yang Pengke Deng Lele Wang Jie hu Qinqin Liu hua Tang school of Materials science&Engineering Jiangsu UniversityZhenjiang 212013China school of Environmental science and Engineering Qingdao UniversityQingdao 266071China
The low separation/migration efficiency is a major obstacle that limits the practical application of semiconductor-photocatalysts. Constructing s-scheme heterojunction is an ideal strategy for providing high photocata... 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
Hierarchical mesoporous s.n-codoped carbon nanostructures composed of Co/Co-Cu-s/carbon nanoplate arrays on carbon nanofibers as a self-supported air cathode for long-lasting rechargeable Zn-air batteries
收藏 引用
science China(Technological sciences) 2022年 第3期65卷 693-703页
作者: XU ZhuYing YAn Lei sHEn JunLing YAnG XiaoJing nInG JiQiang ZHOnG YiJun hu Yong Key Laboratory of the Ministry of Education for Advanced Catalysis Materials Department of ChemistryZhejiang Normal UniversityJinhua 321004China Department of Optical science and Engineering Fudan UniversityShanghai 200438China Hangzhou Institute of Advanced studies Zhejiang Normal UniversityHangzhou 311231China
One of the primary roadblocks to widespread applications of rechargeable Zn-air batteries is the durability issue with oxygen reduction and evolution processes(ORR/Oer)bifunctional *** herein report the construction o... 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
Tuning the selectivity of natural oils and fatty acids/esters deoxygenation to biofuels and fatty alcohols:A review
收藏 引用
Green Energy & Environment 2023年 第3期8卷 722-743页
作者: Yingdong Zhou Javier Remon Zhicheng Jiang Avtar s.Matharu Changwei hu Key Laboratory of Green Chemistry and Technology Ministry of EducationCollege of ChemistrySichuan UniversityChengduSichuan 610064China Instituto de Carboquímica CSICZaragoza50018Spain Department of Biomass science and Engineering Sichuan UniversityChengdu610064China national Engineering Research Center of Clean Technology in Leather Industry Sichuan UniversityChengdu610064China Green Chemistry Centre of Excellence Department of ChemistryUniversity of YorkHeslingtonYorkYO105DDUK
The chemical transformation of natural oils provides alternatives to limited fossil fuels and produces compounds with added value for the chemical *** selective deoxygenation of natural oils to diesel-ranged hydrocarb... 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
Growth behavior and electronic regulation of Pt on various Mo-based supports for hydrogen evolution electrocatalysis
收藏 引用
science China Chemistry 2025年
作者: Lulu Chen Yichao huang Jiajun Wang Meihong Liao Zhiyuan Liu Meiqi Liu Hanqing Cai Lin Wang Lidong Gao Dawei hu Lianming Zhao ning Pu Zhuangjun Fan state Key Laboratory of Chemical safety School of Materials Science and Engineering China University of Petroleum (East China) school of Mechanical and Electronic Engineering Qingdao Binhai University Qingdao Chuangqi new Energy Catalysis Technology Co.Ltd. s.nopec Research Institute of Petroleum Process.ng Co.Ltd. Institute of Energy Hefei Comprehensive National Science Center
Insight into the growth behavior and electronic regulation of platinum (Pt) on various transition metal supports is paramount in developing high-performing electrocatalysts for hydrogen evolution reactions (Her).H...
来源: 同方期刊数据库 同方期刊数据库 评论
Dendritic spine degeneration:a primary mechanism in the aging process
收藏 引用
neural Regeneration Research 2025年 第6期20卷 1696-1698页
作者: Gonzalo Flores Leonardo Aguilar-Hernández Fernado García-Dolores humberto nicolini Andrea Judith Vázquez-Hernández Hiram Tendilla-Beltrán Instituto de Fisiología Benemérita Universidad Autónoma de Puebla(BUAP)PueblaMexico Instituto de Ciencias Forenses(InCIFO) Tribunal Superior de Justicia de la Ciudad de México(TSJCDMX).Mexico CityMexico Instituto nacional de Medicina Genómica(InMEGEn) Mexico CityMexico
Recent reports suggest that aging is.not solely a physiological process in living beings;instead, it should be considered a pathological process or disease(Amorim et al., 2022). Consequently, this process involves a w... 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
Predicting Maximum Lifespan Limits at Mean Menopausal Age
收藏 引用
Journal of Mathematical Research with Applications 2025年 第1期 133-142页
作者: M.sUMATHI s.AnTOnY CARLA Department of Mathematics N.M.S.S.Vellaichamy Nadar College Research scholar (Part-time) Madurai Kamaraj University
The age at which a woman enters.natural menopause has also been associated to death from any cause. Menopause is a natural component of aging that happens between the ages of 45 and 55, with the average menopausal age...
来源: 同方期刊数据库 同方期刊数据库 评论
nano-Enhanced Dairy scum Biodiesel Blends:Unleashing the Power of Aluminium Oxide for sustainable and Efficient Engine Performance
收藏 引用
Journal of Thermal science 2025年 第1期34卷 283-302页
作者: Veeranna MODI Prasad B.RAMPURE s.nil Kumar sHETTY Madeva nAGARAL Channa Keshava nAIK n Johar MGM Muhammad Irsyad ABDULLAH Abdullah I.AL-MAnsOUR shamshad ALAM KLE College of Engineering and Technology ChikodiVisvesvaraya Technological University nitte (Deemed to be University) NMAM Institute of Technology (NMAMIT)Department of Mechanical Engineering Aircraft Research and Design Centre HAL Department of Mechanical Engineering BGS College of Engineering and TechnologyBengaluruAffiliated to Visvesvaraya Technological University Management and science University Department of Civil Engineering College of EngineeringKing Saud University
This study investigates the effect of aluminium oxide nanoparticlesaddition to biodiesel blends made from dairy milk scum on performance and combustion characteristics of the diesel *** dispersion of Al2O3nanoparticle... 详细信息
来源: 同方期刊数据库 同方期刊数据库 评论
Fe doped g-C_(3)n_(4) composited ZnIn_(2)s_(4) promoting Cr(Ⅵ) photoreduction
收藏 引用
Chinese Chemical Letters 2023年 第4期34卷 430-435页
作者: Zhuoga Cirena Yu nie Yanfang Li huilin hu Xiang huang Xin Tan Tao Yu school of Environmental science and Engineering Tianjin UniversityTianjin 300350China school of Chemical Engineering and Technology Tianjin UniversityTianjin 300350China school of Materials science and Engineering Tianjin UniversityTianjin 300350China school of science Tibet UniversityLhasa 850000Chin
30% Fe Cn/ZIs(30% Fe doped g-C_(3)n_(4)composited ZnIn_(2)s_(4)) was s.nthesized by a simple water bath method, via in-situ growth of abundant well-dispersed ZnIn_(2)s_(4)nanosheets on the Fe doped g-C_(3)n_(4)surface... 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
Designed preparation of Cos/Co/MoC nanoparticles incorporated in n and s dual-doped porous carbon nanofibers for high-performance Zn-air batteries
收藏 引用
Chinese Chemical Letters 2021年 第7期32卷 2243-2248页
作者: Yanrong Ren Haiyan Wang Tianyu Zhang Luankexin Ma Pengcheng Ye Yijun Zhong Yong hu Key Laboratory of the Ministry of Education for Advanced Catalysis Materials Department of ChemistryZhejiang Normal UniversityJinhua 321004China school of Biological and Medical Engineering School of Food Science and EngineeringHefei University of TechnologyHefei 230009China Queen Mary University of London Engineering school NPU/Material Science and EngineeringNorthwestern Polytechnical UniversityXi'an 710000China
The development of low-cost and highly efficient bifunctional electrocatalysts toward oxygen reduction reaction(ORR)and oxygen evolution reaction(Oer)is of critical importance for clean energy devices such as fuel cel... 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
A comparative study of four 20-membered n_2s_4-crown ethers as ionophores for polymeric membrane silver selective electrodes
收藏 引用
Chinese Chemical Letters 2010年 第4期21卷 464-467页
作者: Zhang, Jun Yu, shun Yang Yin, Tan Ji hu, Xue Feng Qin, Wei Chinese Acad sci Yantai Inst Coastal Zone Res Key Lab Coastal Environm Proc Yantai 264003 Peoples R China Chinese Acad sci Inst Oceanol Qingdao 266071 Peoples R China Chinese Acad sci Grad Univ Beijing 100049 Peoples R China
Four 20-membered n_2s_4-monoazathiacrown ethers have been s.nthesized and explored as.neutral ionophores for Ag^+-selective *** responses reveal that the flexibility of the ligands has great effect on the selectivity ... 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