咨询与建议

限定检索结果

文献类型

  • 142 篇 期刊文献
  • 1 篇 学位论文

馆藏范围

  • 143 篇 电子文献
  • 0 种 纸本馆藏

日期分布

学科分类号

  • 96 篇 医学
    • 75 篇 临床医学
    • 34 篇 公共卫生与预防医...
    • 10 篇 基础医学(可授医学...
    • 4 篇 特种医学
    • 4 篇 医学技术(可授医学...
    • 3 篇 中西医结合
    • 2 篇 中医学
  • 44 篇 理学
    • 19 篇 数学
    • 11 篇 物理学
    • 10 篇 天文学
    • 2 篇 化学
    • 2 篇 生物学
    • 1 篇 海洋科学
    • 1 篇 地球物理学
  • 40 篇 工学
    • 18 篇 材料科学与工程(可...
    • 9 篇 电子科学与技术(可...
    • 6 篇 电气工程
    • 6 篇 生物医学工程(可授...
    • 5 篇 环境科学与工程(可...
    • 4 篇 化学工程与技术
    • 3 篇 动力工程及工程热...
    • 2 篇 计算机科学与技术...
    • 2 篇 矿业工程
    • 2 篇 生物工程
    • 1 篇 机械工程
  • 6 篇 教育学
    • 5 篇 心理学(可授教育学...
    • 1 篇 体育学
  • 4 篇 经济学
    • 4 篇 应用经济学
  • 2 篇 法学
    • 2 篇 社会学
  • 2 篇 农学
  • 1 篇 文学
    • 1 篇 中国语言文学
  • 1 篇 管理学

主题

  • 143 篇 sectional
  • 18 篇 curvature
  • 15 篇 prevalence
  • 9 篇 manifold
  • 8 篇 riemannian
  • 7 篇 cross
  • 6 篇 ricci
  • 6 篇 obesity
  • 6 篇 projective
  • 6 篇 cardiovascular
  • 6 篇 fasting
  • 5 篇 multivariate
  • 5 篇 questionnaire
  • 5 篇 cholesterol
  • 4 篇 serum
  • 4 篇 study
  • 4 篇 impaired
  • 4 篇 abnormal
  • 4 篇 enrolled
  • 4 篇 blood

机构

  • 2 篇 dept endocrinol ...
  • 2 篇 clinical researc...
  • 2 篇 mental health in...
  • 2 篇 hangzhou univers...
  • 2 篇 department of ma...
  • 2 篇 university of ta...
  • 1 篇 zhejiang china
  • 1 篇 department of gl...
  • 1 篇 dept endocrinol ...
  • 1 篇 institute of low...
  • 1 篇 psychiatry facul...
  • 1 篇 moe-shanghai key...
  • 1 篇 faculty of medic...
  • 1 篇 school of social...
  • 1 篇 depart-ment of r...
  • 1 篇 xiamen city xian...
  • 1 篇 institute of rep...
  • 1 篇 department of in...
  • 1 篇 dept endocrinol ...
  • 1 篇 division of bios...

作者

  • 5 篇 沈一兵
  • 3 篇 jian liu
  • 3 篇 yang yang
  • 2 篇 elizabeth g holl...
  • 2 篇 neil spike
  • 2 篇 lei zhang
  • 2 篇 郭孝英
  • 2 篇 amanda tapley
  • 2 篇 parker magin
  • 2 篇 alison fielding
  • 2 篇 mieke van driel
  • 2 篇 takuya aoki
  • 2 篇 andrew davey
  • 2 篇 xiaoying zheng
  • 2 篇 jean ball
  • 2 篇 陈杰诚
  • 1 篇 郑建元
  • 1 篇 judith blankenbu...
  • 1 篇 feilong chen
  • 1 篇 xiao-xiang zhang

语言

  • 140 篇 英文
  • 3 篇 中文
检索条件"主题词=sectional"
143 条 记 录,以下是91-100 订阅
排序:
Schrdinger flow of maps into symplectic manifolds
收藏 引用
Science China Mathematics 1998年 第7期41卷 746-755页
作者: 丁伟岳 王友德
The definition of Schrdinger flow is proposed. It is indicated that the flow of ferromagnetic chain is actually Schrdinger flow of maps into S 2, and that there exists a unique local smooth solution for the initia... 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
Profiling users and non-users of senior services
收藏 引用
Advances in Aging Research 2013年 第4期2卷 144-153页
作者: Roschelle Heuberger Karly Caudell Central Michigan University Mount Pleasant USA University of Michigan C.S. Mott Children’s Hospital Ann Arbor USA
The goal of this study was to determine whether or not older adults who utilized community nutrition services were more or less able to perform Activities of Daily Living (ADL), Instrumental Activities of Daily Living... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论
Mother to Child Transmission of HIV after Option B+ in Low Income Environment
收藏 引用
Open Journal of Obstetrics and Gynecology 2018年 第12期8卷 1163-1175页
作者: Mve Koh Valère Kamgaing Nelly Nda Mefo Foumane Pascal Faculty of Medicine and Biomedical Sciences of University of Yaoundé I Yaoundé Cameroon University Teaching Hospital of Yaoundé Yaoundé Cameroon Chantal Biya International Reference Center for Research on Prevention and Management of HIV Yaounde Cameroon Faculty of Medicine and Pharmaceutical Sciences of the University of Douala Douala Cameroon General Hospital of Douala Douala Cameroon Gynecological Obstetrics and Pediatric Hospital Yaoundé Yaoundé Cameroon
Background: In Cameroon, the prevalence of HIV in pregnant women was 7.8% in 2012, and they were 8500 HIV positive newborns in 2013. Option B+ is the first highly active antiretroviral therapy (HAART) preventive proto... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论
Prevalence of Contagious Diseases of School Going Children in Bangladesh
收藏 引用
Journal of Biosciences and Medicines 2015年 第7期3卷 17-24页
作者: Khan Md. Murtaja Reza Linkon Utpal Kumar Prodhan Md. Liton Md. Kamrul Islam Laisa Ahmed Lisa Dipak Kumar Paul Department of Food Technology and Nutritional Science Mawlana Bhashani Science and Technology University Tangail Bangladesh Department of Microbiology Jagannath University Dhaka Bangladesh Department of Applied Nutrition and Food Technology Islamic University Kusthia Bangladesh
Children are becoming increasingly vulnerable to contagious disease around the world. It also leads to chronic health problems. This cross-sectional study aimed to determine the prevalence of contagious diseases in ch... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论
Assessment of Seagoing Ships Longitudinal Strength in the Context of International Rules, Important Factor for Safe Operation
收藏 引用
World Journal of Engineering and Technology 2015年 第4期3卷 291-310页
作者: Dumitru Lupascu Ionel Chirica RNR CERT SA Bucharest Romania University Dunarea de Jos of Galati Galati Romania
The paper is focused on the ship hull safety problems related to the longitudinal strength of the ship during design, construction and service in context of International Goal-Based Ship Construction Standards carried... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论
ON THE NON-EXISTENCE OF L^2-EIGENVALUES OF MANIFOLDS OF COLUM TYPE
收藏 引用
Analysis in Theory and Applications 1992年 第4期8卷 58-60页
作者: 陈杰诚 Hangzhou University China
In[4],Li proved that Yau’s conjecture“For non-compact connected completeRiemannian manifold M.M has no L;-eigenvalues if its sectional curvature K;≥0”holds if M can be represented as a Riemannian product M=R;×***... 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
Association between serum 25-hydroxyvitamin D_3 concentration,parathyroid hormone,and arterial stiffness in patients with type 2 diabetes
收藏 引用
China Medical Abstracts(Internal Medicine) 2013年 第4期30卷 210-211页
作者: 马笑堃 Dept Endocrinol 1st Affil HospZhengzhou Univ
Objective To evaluate the association between serum 25-hydroxyvitamin D3[25 (OH) D3],parathyroid hormone,and arterial stiffness in patients with type 2 *** Serum 25 (OH) D3and parathyroid hormone (PTH) were determined... 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
Association of liver enzymes with metabolic syndrome( MS) and pre-MS in adults aged over 40 years old
收藏 引用
China Medical Abstracts(Internal Medicine) 2016年 第1期33卷 21-22页
作者: 黄秋岚 Dept Endocrinol Union HospTongji Med CollHuazhong Univ Sci Technol
Objective To explore the relationship of metabolic syndrome(MS)and pre-MS with serum liver *** A total of 9 418 individuals aged over 40 years old were enrolled in the cross-sectional survey in Yiling District of Yich... 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
KAEHLER SUBMANIFOLDS IN A LOCALLY SYMMETRIC BOCHNER-KAEHLER MANIFOLD
收藏 引用
Chinese Science Bulletin 1988年 第1期33卷 86-87页
作者: 郭孝英 沈一兵 Hangzhou University
In our preceding paper, we gave some Pinching conditions of sectional curvature and holomorphic sectional curvature for a compact Kaehler submanifold Mn in a locally symmetric Bochner-Kaehler manifold (?)n+p to be t... 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
Blood pressure and atherosclerosis
收藏 引用
China Medical Abstracts(Internal Medicine) 2009年 第2期26卷 85-87页
2009176 Incidence of impaired glucose tolerance in hospitalized essential hypertension patients without diabetes mellitus history and with normal fasting glucose. REN Jingyuan(任京媛),et *** Dept,Beijing Anzhen Hosp,... 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