咨询与建议

限定检索结果

文献类型

  • 1,652,146 篇 期刊文献
  • 11,870 篇 会议
  • 70 篇 学位论文
  • 29 册 图书
  • 5 篇 报纸

馆藏范围

  • 1,664,110 篇 电子文献
  • 10 种 纸本馆藏

日期分布

学科分类号

  • 771,382 篇 工学
    • 128,735 篇 材料科学与工程(可...
    • 101,699 篇 机械工程
    • 98,761 篇 化学工程与技术
    • 86,746 篇 计算机科学与技术...
    • 71,235 篇 电气工程
    • 56,211 篇 电子科学与技术(可...
    • 54,602 篇 软件工程
    • 50,517 篇 动力工程及工程热...
    • 50,431 篇 土木工程
    • 48,298 篇 控制科学与工程
    • 46,389 篇 仪器科学与技术
    • 45,444 篇 环境科学与工程(可...
    • 39,556 篇 水利工程
    • 37,901 篇 信息与通信工程
    • 37,267 篇 建筑学
  • 516,965 篇 医学
    • 310,730 篇 临床医学
    • 70,718 篇 中西医结合
    • 61,729 篇 药学(可授医学、理...
    • 60,756 篇 公共卫生与预防医...
    • 49,413 篇 基础医学(可授医学...
    • 39,216 篇 中药学(可授医学、...
    • 38,995 篇 医学技术(可授医学...
  • 298,435 篇 理学
    • 100,087 篇 化学
    • 74,376 篇 生物学
    • 65,794 篇 物理学
  • 163,409 篇 农学
    • 47,719 篇 作物学
  • 126,904 篇 管理学
    • 47,003 篇 管理科学与工程(可...
    • 42,221 篇 公共管理
  • 86,218 篇 教育学
    • 64,136 篇 教育学
  • 61,856 篇 经济学
    • 54,956 篇 应用经济学
  • 42,422 篇 法学
  • 27,819 篇 文学
  • 15,306 篇 艺术学
  • 10,268 篇 历史学
  • 7,029 篇 哲学
  • 5,696 篇 军事学

主题

  • 10,187 篇 影响因素
  • 9,892 篇 数值模拟
  • 7,619 篇 预后
  • 7,445 篇 应用
  • 7,326 篇 儿童
  • 6,450 篇 大鼠
  • 6,239 篇 诊断
  • 6,135 篇 治疗
  • 5,790 篇 危险因素
  • 5,723 篇 力学性能
  • 5,496 篇 对策
  • 5,472 篇 产量
  • 5,060 篇 合成
  • 4,837 篇 糖尿病
  • 4,711 篇 教学改革
  • 4,655 篇 磁共振成像
  • 4,515 篇 中国
  • 4,469 篇 细胞凋亡
  • 4,147 篇 稳定性
  • 4,144 篇 大学生

机构

  • 11,242 篇 浙江大学
  • 11,077 篇 上海交通大学
  • 10,997 篇 吉林大学
  • 10,048 篇 清华大学
  • 9,623 篇 四川大学
  • 9,136 篇 哈尔滨工业大学
  • 8,990 篇 中国科学院大学
  • 8,855 篇 北京大学
  • 8,304 篇 同济大学
  • 8,234 篇 武汉大学
  • 8,087 篇 天津大学
  • 7,738 篇 中南大学
  • 7,580 篇 华中科技大学
  • 7,166 篇 华南理工大学
  • 7,087 篇 山东大学
  • 6,741 篇 中山大学
  • 6,700 篇 中国地质大学
  • 6,632 篇 大连理工大学
  • 6,500 篇 重庆大学
  • 6,476 篇 东北大学

作者

  • 10,629 篇 张宇
  • 8,736 篇 王宇
  • 6,955 篇 刘宇
  • 5,455 篇 于洋
  • 4,366 篇 张瑜
  • 4,202 篇 陈宇
  • 3,575 篇 王玉
  • 3,075 篇 王瑜
  • 3,004 篇 张玉
  • 2,974 篇 赵宇
  • 2,770 篇 于涛
  • 2,604 篇 杨宇
  • 2,450 篇 王伟
  • 2,441 篇 张伟
  • 2,421 篇 周宇
  • 2,183 篇 于淼
  • 1,976 篇 张磊
  • 1,945 篇 李伟
  • 1,927 篇 李玉
  • 1,909 篇 陈瑜

语言

  • 1,580,457 篇 中文
  • 83,642 篇 英文
  • 20 篇 日文
  • 1 篇 其他
检索条件"作者=Shu-na yu"
1664120 条 记 录,以下是81-90 订阅
排序:
Efficient hydrogenolysis of fructose to 1,2-propanediol over bifunctional Ru-WO_(x)-MgO_(y) catalysts under mild reaction conditions via enhancing the chemoselective cleavage of C-C bonds
收藏 引用
Journal of Energy Chemistry 2024年 第5期92卷 311-321页
作者: shuang Luo Tie shu Min Mao Haijie yu yuxin Zheng Daqian Ding Lingmei Liu Kexin Yao Jianjian Wang School of Chemistry and Chemical Engineering State Key Laboratory of Coal Mine Disaster Dynamics and ControlInstitute of Advanced Interdisciplinary StudiesMulti-scale Porous Materials CenterChongqing UniversityChongqing 401331China Key Laboratory for Efficient Conversion and Circular Economy of Coal Chemical Engineering CollegeInner Mongolia University of TechnologyHohhot 010051Inner MongoliaChina
Selective conversion of fructose to 1,2-propanediol(1,2-PDO)is considered as a sustainable and cost-effective alternative to petroleum-based processes,however,this approach still faces challenges associated with low e... 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
Implications for fault reactivation and seismicity induced by hydraulic fracturing
收藏 引用
Petroleum Science 2024年 第2期21卷 1081-1098页
作者: Zi-Han Sun Ming-Guang Che Li-Hong Zhu shu-Juan Zhang Ji-yuan Lu Chang-yu Jin Key Laboratory of Ministry of Education on Safe Mining of Deep Metal Mines School of Resources and Civil Engineering and Key Laboratory of Liaoning Province on Deep Engineering and Intelligent TechnologyNortheastern UniversityShenyang110819LiaoningChina Research Institute of Petroleum Exploration&Development PetroChina Company LimitedBeijing100084China The Exploration and Development Research Institute of Daqing Oilfield Limited Company Daqing163458HeilongjiangChina
Evaluating the physical mechanisms that link hydraulic fracturing(HF) operations to induced earthquakes and the anticipated form of the resulting events is significant in informing subsurface fluid injection operation... 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
Fe/S oxidation-coupled arsenic speciation transformation mediated by AMD enrichment culture under different pH conditions
收藏 引用
Journal of Environmental Sciences 2024年 第3期137卷 681-700页
作者: yu-hang Zhou Wei-xi Huang Zhen-yuan Nie Hong-chang Liu yue Liu Can Wang Jin-lan Xia Wen-sheng shu Key Lab of Biometallurgy of Ministry of Education of China School of Minerals Processing and BioengineeringCentral South UniversityChangsha 410083China School of Life Sciences South China Normal UniversityGuangzhou 510631China
Arsenic(As)speciation transformation in acid mine drainage(AMD)is comprehensively affected by biological and abiotic factors,such as microbially mediated Fe/S redox reactions and changes in environmental conditions(pH... 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
Optical trapping capability of tornado circular Pearcey beams
收藏 引用
Chinese Physics B 2024年 第5期33卷 401-407页
作者: 刘娜娜 唐晓莹 刘舜禹 梁毅 Guangxi Key Laboratory for Relativistic Astrophysics Center on Nanoenergy ResearchGuangxi Colleges and Universities Key Laboratory of Blue Energy and Systems IntegrationSchool of Physical Science and TechnologyGuangxi UniversityNanning 530004China State Key Laboratory of Featured Metal Materials and Lifecycle Safety for Composite Structures Nanning 530004China
We systemically investigate optical trapping capability of a kind of tornado waves on Rayleigh *** tornado waves are named as tornado circular Pearcey beams(TCPBs)and produced by combining two circular Pearcey beams 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
N6-methyladenosine methylation regulates the tumor microenvironment of Epstein-Barr virus-associated gastric cancer
收藏 引用
World Journal of Gastrointestinal Oncology 2024年 第6期16卷 2555-2570页
作者: yu Zhang Fang Zhou Ming-yu Zhang Li-na Feng Jia-Lun Guan Ruo-nan Dong yu-Jie Huang Su-Hong Xia Jia-Zhi Liao Kai Zhao Department of Gastroenterology Tongji HospitalTongji Medical CollegeHuazhong University of Science and TechnologyWuhan 430030Hubei ProvinceChina Institute of Liver and Gastrointestinal Diseases Hubei Key Laboratory of Hepato-Pancreato-Biliary DiseasesTongji Hospital of Tongji Medical CollegeHuazhong University of Science and TechnologyWuhan 430030Hubei ProvinceChina Department of Pharmacy Wuhan Fourth HospitalWuhan 430030Hubei ProvinceChina
BACKGROUND N6-methyladenosine(m6A)methylation modification exists in Epstein-Barr virus(EBV)primary infection,latency,and lytic *** also modifies EBV latent genes and lytic ***-associated gastric cancer(EBVaGC)is a di... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论
Successful management of severe hypoglycemia induced by total parenteral nutrition in patients with hepatocellular injury: Three cases reports
收藏 引用
World Journal of Clinical Cases 2024年 第1期12卷 157-162页
作者: Ling-Zhi Fang Hui-Xin Jin na Zhao yu-Pei Wu Ying-Qin Shi Department of Pharmacy Hebei Key Laboratory of Clinical PharmacyHebei General HospitalShijiazhuang 050051Hebei ProvinceChina
BACKGROUND Glucose imbalance is common in total parenteral nutrition(TPN).Hypoglycemia seems to be less frequent than hyperglycemia,but it influences the clinical outcome to a greater ***,it should be effectively prev... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论
New material of Coniopteris simplex from the Middle Jurassic of the Ordos Basin,Inner Mongolia,China and implications on its spatio-temporal distribution and paleogeography
收藏 引用
Journal of Palaeogeography 2024年 第2期13卷 199-211页
作者: yun-Feng Li Chang-Lu Zhang Fei Liang Xiao Tan Fan-Hao Gong Chun-Lin Sun Tao Li yu-Ling na Research Center of Paleontology and Stratigraphy Jilin UniversityChangchun 130026Jilin ProvinceChina College of Earth Sciences Jilin UniversityChangchun 130061Jilin ProvinceChina College of Paleontology Shenyang Normal UniversityShenyang 110034Liaoning ProvinceChina Key Lab of Evolution of Past Life in NE Asia Ministry of Natural ResourcesShenyang Normal UniversityShenyang 110034Liaoning ProvinceChina Shenyang Center of Geological Survey China Geological SurveyShenyang 110034Liaoning ProvinceChina
Coniopteris simplex is a common component in many Jurassic ***,due to morphological variations in sterile fronds and incomplete preservation of reproductive organs,its classification has been controversial for a long ... 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
Autophagy plays a pro-apoptotic role in arsenic trioxide-induced cell death of liver cancer
收藏 引用
Journal of Integrative Medicine 2024年 第3期22卷 295-302页
作者: Zhengting Deng shufang Liang Guokai Huang yuqian Wang Xiaoyu Tu Yani Zhang shu Li Tao Liu Binbin Cheng Taizhou Hospital of Traditional Chinese Medicine Nanjing University of Chinese MedicineTaizhou 225300Jiangsu ProvinceChina Oncology Department of Traditional Chinese Medicine The First Affiliated Hospital of Naval Medical UniversityShanghai 200433China School of Traditional Chinese Medicine Nanjing University of Chinese MedicineNanjing 210023Jiangsu ProvinceChina Department of Gastroenterology Baoshan Hospital of Integrated Traditional Chinese and Western MedicineShanghai University of Traditional Chinese MedicineShanghai 201900China
Objective: The effects of arsenic trioxide(As2O3) on hepatocellular carcinoma have been documented widely. Autophagy plays dual roles in the survival and death of cancer cells. Therefore, we investigated the exact rol... 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
Contrasting strategies of optimizing carrier concentration in bulk InSe for enhanced thermoelectric performance
收藏 引用
Rare Metals 2024年 第9期43卷 4425-4432页
作者: Hao-nan Shi shu-Lin Bai yu-Ping Wang Li-Zhong Su Qian Cao Cheng Chang Li-Dong Zhao School of Materials Science and Engineering Beihang University School of Materials Science and Engineering Taiyuan University of Science and Technology Huabei Cooling Device Co.Ltd.
Indium selenide (InSe),as a wide-bandgap semiconductor,has received extensive attention in the flexible electronics field in recent years due to its exceptional plasticity and promising thermoelectric ***,the low carr... 详细信息
来源: 同方期刊数据库 同方期刊数据库 评论
Major depressive disorder:hypothesis,mechanism,prevention and treatment
收藏 引用
Signal Transduction and Targeted Therapy 2024年 第3期9卷 913-944页
作者: Lulu Cui shu Li Siman Wang Xiafang Wu Yingyu Liu Weiyang yu Yijun Wang Yong Tang Maosheng Xia Baoman Li Department of Forensic Analytical Toxicology School of Forensic MedicineChina Medical UniversityShenyangChina Liaoning Province Key Laboratory of Forensic Bioevidence Sciences ShenyangChina China Medical University Centre of Forensic Investigation ShenyangChina International Joint Research Centre on Purinergic Signalling/Key Laboratory of Acupuncture for Senile Disease(Chengdu University of TCM) Ministry of Education/School of Health and RehabilitationChengdu University of Traditional Chinese Medicine/Acupuncture and Chronobiology Key Laboratory of Sichuan ProvinceChengduChina Department of Orthopaedics The First HospitalChina Medical UniversityShenyangChina
Worldwide,the incidence of major depressive disorder(MDD)is increasing annually,resulting in greater economic and social ***,the pathological mechanisms of MDD and the mechanisms underlying the effects of pharmacologi... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论