咨询与建议

限定检索结果

文献类型

  • 108,279 篇 期刊文献
  • 8,210 册 图书
  • 7,504 篇 会议
  • 74 篇 学位论文
  • 54 篇 报纸

馆藏范围

  • 120,338 篇 电子文献
  • 3,921 种 纸本馆藏

日期分布

学科分类号

  • 46,802 篇 工学
    • 9,549 篇 材料科学与工程(可...
    • 5,284 篇 化学工程与技术
    • 4,059 篇 生物医学工程(可授...
    • 3,709 篇 机械工程
    • 3,245 篇 电子科学与技术(可...
    • 2,399 篇 动力工程及工程热...
    • 2,398 篇 计算机科学与技术...
    • 2,274 篇 地质资源与地质工...
    • 1,956 篇 仪器科学与技术
    • 1,921 篇 电气工程
    • 1,713 篇 水利工程
    • 1,576 篇 光学工程
    • 1,531 篇 环境科学与工程(可...
  • 34,861 篇 医学
    • 28,135 篇 临床医学
    • 4,376 篇 医学技术(可授医学...
    • 3,385 篇 基础医学(可授医学...
    • 2,694 篇 中西医结合
    • 2,271 篇 公共卫生与预防医...
    • 1,699 篇 药学(可授医学、理...
  • 20,673 篇 理学
    • 3,952 篇 物理学
    • 3,720 篇 化学
    • 2,915 篇 生物学
    • 2,762 篇 数学
    • 2,417 篇 地质学
  • 9,657 篇 农学
    • 2,270 篇 畜牧学
    • 2,169 篇 作物学
  • 5,424 篇 管理学
    • 2,272 篇 管理科学与工程(可...
    • 1,612 篇 公共管理
  • 3,680 篇 经济学
    • 3,191 篇 应用经济学
  • 3,174 篇 教育学
    • 2,391 篇 教育学
  • 2,532 篇 文学
  • 2,252 篇 法学
  • 1,099 篇 历史学
  • 951 篇 哲学
  • 915 篇 艺术学
  • 227 篇 军事学

主题

  • 1,062 篇 美国
  • 1,040 篇 ct
  • 805 篇 mri
  • 588 篇 病人
  • 520 篇 患者
  • 509 篇 北美洲
  • 411 篇 of
  • 406 篇 美利坚合众国
  • 398 篇 mr
  • 322 篇 治疗
  • 311 篇 中国
  • 277 篇 and
  • 262 篇 应用
  • 243 篇 方程
  • 235 篇 cancer
  • 230 篇 设计
  • 218 篇 诊断
  • 171 篇 计算机
  • 170 篇 德国
  • 168 篇 microstructure

机构

  • 350 篇 北京大学
  • 330 篇 同济医科大学附属...
  • 237 篇 清华大学
  • 194 篇 浙江大学
  • 189 篇 香港理工大学
  • 129 篇 南京大学
  • 108 篇 中国科学院大学
  • 90 篇 germany
  • 87 篇 中国地质大学
  • 85 篇 华中科技大学
  • 84 篇 美国加州大学
  • 82 篇 中山大学
  • 80 篇 university of ch...
  • 79 篇 复旦大学
  • 75 篇 同济大学
  • 74 篇 香港大学
  • 68 篇 university of mi...
  • 68 篇 东南大学
  • 67 篇 institute for pa...
  • 67 篇 nikhef p.o.box 4...

作者

  • 238 篇 叶鹏
  • 116 篇 china
  • 112 篇 刘莉
  • 101 篇 郭俊
  • 85 篇 h.murayama
  • 85 篇 j.d.jackson
  • 85 篇 g.d'ambrosio
  • 82 篇 m.white
  • 63 篇 朱国栋
  • 56 篇 李长根
  • 53 篇 唐光健
  • 51 篇 王铮
  • 46 篇 马超
  • 43 篇 p.de jong
  • 41 篇 j.zhang
  • 39 篇 刘闯
  • 38 篇 t.gries
  • 37 篇 刘凯
  • 35 篇 余英豪
  • 32 篇 刘青

语言

  • 86,332 篇 中文
  • 37,745 篇 英文
  • 1 篇 德文
  • 1 篇 法文
检索条件"作者=g.w.h.ffman."
124121 条 记 录,以下是71-80 订阅
排序:
Learning about good nutrition with the 5-color front-of-package label"Nutri-Score":an experimental study
收藏 引用
Food Science and human wellness 2024年 第3期13卷 1195-1200页
作者: Robin C.hau Klaus w.Lange University of Applied Sciences Landshut Landshut 84036Germany Faculty of human Sciences University of RegensburgRegensburg 93040Germany
The Nutri-Score is a 5-color front-of-pack nutrition label designed to provide consumers with an easily understandable guideline to the healthiness of food *** impact that the Nutri-Score may have on consumers'choices... 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
Trial characteristics and treatment effect estimates in randomized controlled trials of Chinese herbal medicine: A meta-epidemiological study
收藏 引用
Journal of Integrative Medicine 2024年 第3期22卷 223-234页
作者: Betty h.wang Ya-li Lin Yin-yan gao Jin-lu Song Lang Qin Ling-qi Li wen-qi Liu Claire C.w.Zhong Mary Y.Jiang Chen Mao Xiao-bo Yang Vincent C.h.Chung Irene X.Y.wu Jockey Club School of Public health and Primary Care the Chinese University of Hong KongHong Kong 999077China Xiangya School of Public health Central South UniversityChangsha 410006Hunan ProvinceChina School of Chinese Medicine the Chinese University of Hong KongHong Kong 999077China School of Public health Southern Medical UniversityGuangzhou 510080Guangdong ProvinceChina State Key Laboratory of Dampness Syndrome of Chinese Medicine the Second Affiliated Hospital of Guangzhou University of Chinese MedicineGuangzhou 510120Guangdong ProvinceChina Chinese Medicine Syndrome Research Team the Second Affiliated HospitalGuangzhou University of Chinese MedicineGuangzhou 510120Guangdong ProvinceChina guangdong Provincial Key Laboratory of Clinical Research on Traditional Chinese Medicine Syndrome Guangzhou 510120Guangdong ProvinceChina hunan Provincial Key Laboratory of Clinical Epidemiology Central South UniversityChangsha 410006Hunan ProvinceChina
Background:Previously published meta-epidemiological studies focused on western medicine have identified some trial characteristics that impact the treatment effect of randomized controlled trials(RCTs).Nevertheless,i... 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
Cultivating potential:harnessing plant stem cells for agricultural crop improvement
收藏 引用
Molecular Plant 2024年 第1期17卷 50-74页
作者: Penelope Lindsay Kyle w.Swentowsky David Jackson Cold Spring harbor Laboratory Cold Spring HarborNY 11724USA National Key Laboratory of Crop genetic Improvement Huazhong Agricultural UniversityWuhanHubei430070China
Meristems are stem cell-containing structures that produce all plant organs and are therefore important targets for crop *** regulators control the balance and rate of cell divisions within the *** these regulators im... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论
Emerging global interest:Unraveling the link between diabetes mellitus and depression
收藏 引用
world Journal of Psychiatry 2024年 第7期14卷 1127-1139页
作者: Samah w Al-Jabi Department of Clinical and Community Pharmacy College of Medicine and Health SciencesAn-Najah National UniversityNablus 44839Palestine
BACKgROUND Studies have shown a strong bidirectional association between diabetes and depression,with diabetes increasing the risk of developing depression and vice *** among patients with diabetes is associated with ... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论
Analysis of the discrete contact characteristics based on the greenwood-williamson model and the localization principle
收藏 引用
Friction 2024年 第5期12卷 1042-1056页
作者: Anastasiya A.YAKOVENKO Irina g.gORYAChEVA Ishlinsky Institute for Problems in Mechanics RAS Moscow119526Russia
The contact of a rigid body with nominally flat rough surface and an elastic half-space is *** solve the contact problem,the greenwood-williamson statistical model and the localization principle are *** developed cont... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论
Control system design for a pressure-tube-type supercritical water-cooled nuclear reactor via a higher order sliding mode method
收藏 引用
Nuclear Science and Techniques 2024年 第1期35卷 145-154页
作者: M.hajipour g.R.Ansarifar Department of Nuclear Engineering Faculty of PhysicsUniversity of IsfahanIsfahan 81746-73441Iran
Nuclear power plants exhibit non-linear and time-variable ***,designing a control system that sets the reactor power and forces it to follow the desired load is complicated.A supercritical water reactor(SCwR)is a four... 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
Mapping the global research landscape on nonalcoholic fatty liver disease and insulin resistance:A visualization and bibliometric study
收藏 引用
world Journal of hepatology 2024年 第6期16卷 951-965页
作者: Sa'ed h Zyoud Omar E hegazi Samer O Alalalmeh Muna Shakhshir Faris Abushamma Shadi Khilfeh Samah w Al-Jabi Department of Clinical and Community Pharmacy College of Medicine and Health SciencesAn-Najah National UniversityNablus 44839Palestine Clinical Research Center An-Najah National University HospitalNablus 44839Palestine College of Pharmacy and health Sciences Ajman UniversityAjman 346United Arab Emirates Department of Nutrition An-Najah National University HospitalNablus 44839Palestine Department of Medicine College of Medicine and Health SciencesAn-Najah National UniversityNablus 44839Palestine Department of Urology An-Najah National University HospitalNablus 44839Palestine Department of gastroenterology Hepatology and EndoscopyAn-Najah National University HospitalNablus 44839Palestine
BACKgROUND Nonalcoholic fatty liver disease(NAFLD)is a liver condition that is prevalent worldwide and associated with significant health risks and economic *** it has been linked to insulin resistance(IR),this study ... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论
Numerical simulation of three dimensional concrete printing based on a unified fluid and solid mechanics formulation
收藏 引用
Frontiers of Structural and Civil Engineering 2024年 第4期18卷 491-515页
作者: Janis REINOLD Koussay DAADOUCh günther MESChKE Institute for Structural Mechanics Ruhr University BochumBochum 44801Germany
Deformation control constitutes one of the main technological challenges in three dimensional(3D)concrete printing,and it presents a challenge that must be addressed to achieve a precise and reliable construction ***-... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论
Unveiling the early universe:Axion-like particles and their role in primordial structure formation
收藏 引用
Science China(Physics,Mechanics & Astronomy) 2024年 第11期67卷 178-179页
作者: Sergey g.Rubin National Research Nuclear University MEPhI(Moscow Engineering Physics Institute) Moscow 115409Russia
The groundbreaking discovery of gravitational waves(gws)by the LIgO-VIRgO-KAgRO collaboration has revolutionized our understanding of the universe and opened up a new way of observing cosmic events. Unlike light waves... 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
Positive health:An integrated quantitative approach in patients with chronic gastrointestinal and hepato-pancreatico-biliary disorders
收藏 引用
world Journal of gastroenterology 2024年 第28期30卷 3418-3427页
作者: Anja h w M Lemlijn-Slenter Karolina AP wijnands gijs van der hamsvoort Luuk P van Iperen Nico wolter Angelique E de Rijk Ad AM Masclee Department of Social Medicine Faculty of HealthMedicine and Life sciencesCare and Public Health Research Institute Maastricht UniversityMaastricht 6200 MDLimburgNetherlands Division of gastroenterology and hepatology Department of Internal MedicineSchool of Nutrition and Translational Research in MetabolismMaastricht 6200 MDLimburgNetherlands Social Medical Affairs Employee Insurance Agency(UWV)Heerlen 6400 ACLimburgNetherlands Department of Research Academic Knowledge Center Work and Health South-East Netherlands(AKAG-ZON)Heerlen 6400 ACLimburgNetherlands
BACKgROUND The concept of positive health(Ph)supports an integrated approach for patients by taking into account six dimensions of *** approach is especially relevant for patients with chronic *** gastrointestinal and... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论