咨询与建议

限定检索结果

文献类型

  • 2,808,075 篇 期刊文献
  • 19,610 篇 会议
  • 125 篇 学位论文
  • 29 册 图书
  • 8 篇 报纸

馆藏范围

  • 2,827,832 篇 电子文献
  • 15 种 纸本馆藏

日期分布

学科分类号

  • 1,324,890 篇 工学
    • 176,759 篇 材料科学与工程(可...
    • 137,247 篇 化学工程与技术
    • 133,054 篇 机械工程
    • 107,518 篇 计算机科学与技术...
    • 85,024 篇 软件工程
    • 83,791 篇 电气工程
    • 79,995 篇 土木工程
    • 70,377 篇 仪器科学与技术
    • 64,439 篇 动力工程及工程热...
    • 62,618 篇 交通运输工程
    • 61,157 篇 控制科学与工程
    • 58,226 篇 电子科学与技术(可...
    • 57,960 篇 环境科学与工程(可...
    • 54,924 篇 水利工程
    • 50,730 篇 建筑学
  • 796,074 篇 医学
    • 454,784 篇 临床医学
    • 110,591 篇 中西医结合
    • 75,479 篇 公共卫生与预防医...
    • 73,041 篇 药学(可授医学、理...
    • 58,373 篇 中药学(可授医学、...
    • 55,868 篇 医学技术(可授医学...
    • 52,309 篇 基础医学(可授医学...
  • 329,044 篇 理学
    • 74,412 篇 化学
    • 60,863 篇 生物学
  • 260,012 篇 农学
    • 65,358 篇 作物学
    • 56,362 篇 农业资源与环境
  • 227,717 篇 管理学
    • 93,753 篇 管理科学与工程(可...
    • 72,234 篇 公共管理
  • 144,265 篇 教育学
    • 112,221 篇 教育学
  • 95,899 篇 经济学
    • 83,636 篇 应用经济学
  • 71,576 篇 法学
  • 45,735 篇 文学
  • 23,072 篇 艺术学
  • 18,124 篇 历史学
  • 11,959 篇 哲学
  • 9,626 篇 军事学

主题

  • 18,846 篇 数值模拟
  • 17,655 篇 影响因素
  • 13,202 篇 预后
  • 12,616 篇 儿童
  • 12,427 篇 应用
  • 10,748 篇 力学性能
  • 9,914 篇 诊断
  • 9,599 篇 危险因素
  • 9,290 篇 大鼠
  • 9,235 篇 治疗
  • 8,884 篇 产量
  • 8,746 篇 对策
  • 8,735 篇 教学改革
  • 7,884 篇 糖尿病
  • 7,674 篇 磁共振成像
  • 7,481 篇 中国
  • 7,423 篇 稳定性
  • 7,365 篇 综述
  • 7,200 篇 合成
  • 7,109 篇 疗效

机构

  • 17,767 篇 清华大学
  • 17,560 篇 中南大学
  • 16,470 篇 中国科学院大学
  • 15,908 篇 吉林大学
  • 15,532 篇 四川大学
  • 15,104 篇 武汉大学
  • 14,309 篇 北京大学
  • 13,996 篇 天津大学
  • 13,907 篇 上海交通大学
  • 13,633 篇 中国石油大学
  • 13,229 篇 华中科技大学
  • 13,038 篇 中国地质大学
  • 12,855 篇 浙江大学
  • 12,791 篇 中国矿业大学
  • 12,593 篇 同济大学
  • 12,220 篇 华南理工大学
  • 12,211 篇 山东大学
  • 12,158 篇 哈尔滨工业大学
  • 11,977 篇 西安交通大学
  • 11,202 篇 重庆大学

作者

  • 20,088 篇 刘伟
  • 19,220 篇 刘洋
  • 13,305 篇 刘涛
  • 12,496 篇 刘勇
  • 12,244 篇 刘杰
  • 12,169 篇 刘芳
  • 12,081 篇 刘军
  • 11,914 篇 刘静
  • 11,196 篇 刘斌
  • 11,154 篇 刘敏
  • 10,412 篇 刘鹏
  • 10,392 篇 刘强
  • 10,383 篇 刘超
  • 10,247 篇 刘刚
  • 9,669 篇 刘颖
  • 9,628 篇 刘畅
  • 9,494 篇 刘波
  • 9,083 篇 刘辉
  • 8,995 篇 刘佳
  • 8,993 篇 刘磊

语言

  • 2,692,537 篇 中文
  • 135,275 篇 英文
  • 31 篇 日文
  • 2 篇 法文
检索条件"作者=Yong-Lei liu"
2827847 条 记 录,以下是11-20 订阅
排序:
Preparation and applications of calcium ferrite as a functional material:A review
收藏 引用
International Journal of Minerals,Metallurgy and Materials 2025年 第2期32卷 292-310页
作者: Xiuli Han Bowen Duan lei liu Shilong Fang Weiwei Wang College of Mining Engineering North China University of Science and TechnologyTangshan 063210China Collaborative Innovation Center of Green Development and Ecological Restoration of Mineral Resources of Hebei Province Tangshan 063210China Key Laboratory of Mining Development and Security Technology of Hebei Province Tangshan 063210China
Calcium ferrite(CF)is recognized as a potential green and efficient functional material because of its advantages of magnetism,electrochemistry,catalysis,and biocompatibility in the fields of materials chemistry,envir... 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
Regulation and function of endoplasmic reticulum autophagy in neurodegenerative diseases
收藏 引用
Neural Regeneration Research 2025年 第1期20卷 6-20页
作者: Xiu-Yun Zhao De-En Xu Ming-lei Wu Ji-Chuan liu Zi-Ling Shi Quan-Hong Ma Department of Neurology and Clinical Research Center of Neurological Disease the Second Affiliated Hospital of Soochow UniversitySuzhouJiangsu ProvinceChina Institute of Neuroscience&Jiangsu Key Laboratory of Translational Research and Therapy for Neuro-Psycho-Diseases Soochow UniversitySuzhouJiangsu ProvinceChina Department of Neurology Jiangnan University Medical CenterWuxiJiangsu ProvinceChina
The endoplasmic reticulum,a key cellular organelle,regulates a wide variety of cellular *** reticulum autophagy,one of the quality control systems of the endoplasmic reticulum,plays a pivotal role in maintaining endop... 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 promising approach for quantifying focal stroke modeling and assessing stroke progression:optical resolution photoacoustic microscopy photothrombosis
收藏 引用
Neural Regeneration Research 2025年 第7期20卷 2029-2037页
作者: Xiao Liang Xingping Quan Xiaorui Geng Yujing Huang yonghua Zhao lei Xi Zhen Yuan Ping Wang Bin liu Faculty of Health Sciences University of MacaoMacao Special Administrative RegionChina Center for Cognitive and Brain Sciences University of MacaoMacao Special Administrative RegionChina Department of Biomedical Engineering Southern University of Science and TechnologyShenzhenGuangdong ProvinceChina State Key Laboratory of Quality Research in Chinese Medicine Institute of Chinese Medical SciencesUniversity of MacaoTaipaMacao Special Administrative RegionChina Department of Emergency Zhujiang HospitalSouthern Medical UniversityGuangzhouGuangdong ProvinceChina
To investigate the mechanisms underlying the onset and progression of ischemic stroke,some methods have been proposed that can simultaneously monitor and create embolisms in the animal cerebral ***,these methods often... 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
虚拟仪器设计思想及应用
收藏 引用
四川联合大学学报(工程科学版) 1998年 第2期2卷 73-81页
作者: 周群 雷勇 刘连宇 四川联合大学自动化系
本文介绍一种新的仪器设计思想———虚拟仪器及仪器集成,叙述了这种新的设计思想的特点和应用,特别是在航空电台测试中的应用。
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
Perilipin-2 mediates ferroptosis in oligodendrocyte progenitor cells and myelin injury after ischemic stroke
收藏 引用
Neural Regeneration Research 2025年 第7期20卷 2015-2028页
作者: Jian Yang Jiang Wu Xueshun Xie Pengfei Xia Jinxin Lu Jiale liu lei Bai Xiang Li Zhengquan Yu Haiying Li Department of Neurosurgery&Brain and Nerve Research Laboratory The First Affiliated Hospital of Soochow UniversitySuzhouJiangsu ProvinceChina Institute of Stroke Research Soochow UniversitySuzhouJiangsu ProvinceChina
Differentiation of oligodendrocyte progenitor cells into mature myelin-forming oligodendrocytes contributes to *** of remyelination due to oligodendrocyte progenitor cell death can result in severe nerve *** is an iro... 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
Assessing the corrosion protection property of coatings loaded with corrosion inhibitors using the real-time atmospheric corrosion monitoring technique
收藏 引用
International Journal of Minerals,Metallurgy and Materials 2025年 第1期32卷 119-126页
作者: Xiaoxue Wang Lulu Jin Jinke Wang Rongqiao Wang Xiuchun liu Kai Gao Jingli Sun yong Yuan Lingwei Ma Hongchang Qian Dawei Zhang School of Energy and Power Engineering Beihang UniversityBeijing 100191China Beijing Institute of Space Long March Vehicle Beijing 100076China National Materials Corrosion and Protection Data Center University of Science and Technology BeijingBeijing 100083China Institute of Materials Intelligent Technology Liaoning Academy of MaterialsShenyang 110004China Shanghai Spaceflight Precision Machinery Institute Shanghai 201600China
The atmospheric corrosion monitoring(ACM)technique has been widely employed to track the real-time corrosion behavior of metal ***,limited studies have applied ACM to the corrosion protection properties of organic ***... 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
退火对TC18钛合金电子束焊接接头组织与力学性能的影响
收藏 引用
机械工程材料 2017年 第1期41卷 30-33页
作者: 张思聪 雷永平(指导) 刘昕 北京工业大学材料科学与工程学院 北京100124 北京航空制造工程研究所 高能束流加工技术重点试验室北京100024
采用普通退火和去应力退火两种退火工艺对TC18钛合金电子束焊接接头进行焊后热处理,研究了退火处理对焊接接头显微组织、拉伸性能和冲击性能的影响,并将接头的性能与母材的进行了对比。结果表明:与去应力退火相比,普通退火后,显微组织... 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
Human-induced pluripotent stem cell-derived neural stem cell exosomes improve blood-brain barrier function after intracerebral hemorrhage by activating astrocytes via PI3K/AKT/MCP-1 axis
收藏 引用
Neural Regeneration Research 2025年 第2期20卷 518-532页
作者: Conglin Wang Fangyuan Cheng Zhaoli Han Bo Yan Pan Liao Zhenyu Yin Xintong Ge Dai Li Rongrong Zhong Qiang liu Fanglian Chen Ping lei Department of Geriatrics Tianjin Medical University General HospitalTianjinChina School of Medicine Nankai UniversityTianjinChina Tianjin Neurological Institute TianjinChina
Cerebral edema caused by blood-brain barrier injury after intracerebral hemorrhage is an important factor leading to poor ***-induced pluripotent stem cell-derived neural stem cell exosomes(hiPSC-NSC-Exos)have shown 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
Recent Advances in Fibrous Materials for Hydroelectricity Generation
收藏 引用
Nano-Micro Letters 2025年 第2期17卷 109-133页
作者: Can Ge Duo Xu Xiao Feng Xing Yang Zheheng Song Yuhang Song Jingyu Chen Yingcun liu Chong Gao yong Du Zhe Sun Weilin Xu Jian Fang College of Textile and Clothing Engineering Soochow UniversitySuzhou 215123People’s Republic of China National Engineering Laboratory for Modern Silk Soochow UniversitySuzhou 215123People’s Republic of China State Key Laboratory of New Textile Materials and Advanced Processing Technologies Wuhan Textile UniversityWuhan 430200People’s Republic of China Institute of Functional Nano&Soft Materials(FUNSOM) Soochow UniversitySuzhou 215123People’s Republic of China Department of Electrical and Computer Engineering University of MassachusettsAmherstMA 01003USA Department of Materials Imperial College LondonSouth Kensington CampusLondon SW72AZUK College of Textile Science and Engineering Zhejiang Sci-Tech UniversityHangzhou 310018People’s Republic of China School of Materials Science and Engineering Shanghai Institute of Technology100 Haiquan RoadShanghai 201418People’s Republic of China
Depleting fossil energy sources and conventional polluting power generation pose a threat to sustainable *** generation from ubiquitous and spontaneous phase transitions between liquid and gaseous water has been consi... 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
Highly Enantioselective Phenylacetylene Addition to Benzaldehyde Catalyzed by Chiral Tridentate Ligand
收藏 引用
有机化学 2004年 第Z1期24卷 163-页
作者: KANG,yong-Feng liu,lei YAN,Wen-Jin XU,Zhao-Qing ZHOU,Yi-Feng HAN,Zhi-Jian NI,Ming DA,Chao-Shan WANG,Rui State Key Laboratory of Applied Organic Chemistry Department of Biochemistry & Molecular Biology School of Life Sciences Lanzhou University Lanzhou 730000 State Key Laboratory of Applied Organic Chemistry Department of Biochemistry & Molecular Biology School of Life Sciences Lanzhou University Lanzhou 730000 State Key Laboratory of Applied Organic Chemistry Department of Biochemistry & Molecular Biology School of Life Sciences Lanzhou University Lanzhou 730000 State Key Laboratory of Applied Organic Chemistry Department of Biochemistry & Molecular Biology School of Life Sciences Lanzhou University Lanzhou 730000 State Key Laboratory of Applied Organic Chemistry Department of Biochemistry & Molecular Biology School of Life Sciences Lanzhou University Lanzhou 730000 State Key Laboratory of Applied Organic Chemistry Department of Biochemistry & Molecular Biology School of Life Sciences Lanzhou University Lanzhou 730000 State Key Laboratory of Applied Organic Chemistry Department of Biochemistry & Molecular Biology School of Life Sciences Lanzhou University Lanzhou 730000 State Key Laboratory of Applied Organic Chemistry Department of Biochemistry & Molecular Biology School of Life Sciences Lanzhou University Lanzhou 730000 State Key Laboratory of Applied Organic Chemistry Department of Biochemistry & Molecular Biology School of Life Sciences Lanzhou University Lanzhou 730000
  Development of new or improved methods for the asymmetric preparation of chiral propargylic alcohols has gained considerable significance during the past years because they are useful building blocks for the synth... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论