咨询与建议

限定检索结果

文献类型

  • 11,390 篇 期刊文献
  • 6,914 篇 学位论文
  • 462 篇 会议
  • 45 册 图书
  • 5 篇 科技报告
  • 4 篇 成果
  • 3 件 标准

馆藏范围

  • 18,804 篇 电子文献
  • 19 种 纸本馆藏

日期分布

学科分类号

  • 4,869 篇 工学
    • 1,683 篇 材料科学与工程(可...
    • 794 篇 计算机科学与技术...
    • 600 篇 化学工程与技术
    • 600 篇 软件工程
    • 444 篇 电气工程
    • 360 篇 环境科学与工程(可...
    • 300 篇 冶金工程
    • 296 篇 机械工程
    • 236 篇 生物工程
    • 196 篇 电子科学与技术(可...
    • 155 篇 仪器科学与技术
    • 152 篇 信息与通信工程
    • 123 篇 生物医学工程(可授...
  • 4,673 篇 理学
    • 3,128 篇 生物学
    • 850 篇 化学
    • 526 篇 物理学
    • 147 篇 数学
    • 126 篇 生态学
    • 111 篇 地球物理学
  • 3,640 篇 医学
    • 2,059 篇 临床医学
    • 1,008 篇 基础医学(可授医学...
    • 483 篇 药学(可授医学、理...
    • 446 篇 公共卫生与预防医...
    • 217 篇 中西医结合
    • 139 篇 医学技术(可授医学...
  • 970 篇 农学
    • 275 篇 作物学
    • 132 篇 农业资源与环境
  • 413 篇 管理学
    • 276 篇 管理科学与工程(可...
  • 202 篇 教育学
    • 122 篇 教育学
  • 200 篇 经济学
    • 139 篇 应用经济学
  • 127 篇 法学
  • 82 篇 文学
  • 47 篇 历史学
  • 44 篇 哲学
  • 40 篇 艺术学
  • 2 篇 军事学

主题

  • 18,823 篇 c
  • 7,361 篇 a
  • 7,269 篇 n
  • 6,983 篇 e
  • 6,828 篇 i
  • 6,825 篇 s
  • 6,776 篇 o
  • 6,549 篇 l
  • 5,916 篇 ,
  • 5,851 篇 t
  • 5,457 篇 r
  • 4,637 篇 d
  • 4,153 篇 m
  • 3,749 篇 u
  • 3,636 篇 p
  • 3,436 篇 g
  • 3,370 篇 h
  • 2,521 篇 b
  • 2,286 篇 y
  • 2,033 篇 v

机构

  • 147 篇 brno university ...
  • 135 篇 university of ca...
  • 117 篇 harvard universi...
  • 112 篇 state university...
  • 105 篇 the university o...
  • 96 篇 capella universi...
  • 93 篇 columbia univers...
  • 92 篇 yale university
  • 85 篇 the george washi...
  • 84 篇 university of il...
  • 82 篇 indiana universi...
  • 74 篇 university of ph...
  • 69 篇 princeton univer...
  • 68 篇 the university o...
  • 67 篇 ohio state unive...
  • 67 篇 university of ca...
  • 67 篇 university of ne...
  • 61 篇 university of ke...
  • 61 篇 the university o...
  • 59 篇 the university o...

作者

  • 34 篇 chopin j
  • 18 篇 markham kr
  • 16 篇 bouillant ml
  • 15 篇 besson e
  • 13 篇 li yang
  • 13 篇 wang dayong
  • 12 篇 li hejun
  • 12 篇 zhang yulei
  • 11 篇 li longbiao
  • 10 篇 erman je
  • 10 篇 li li
  • 10 篇 liu yang
  • 10 篇 mabry tj
  • 9 篇 wang jing
  • 9 篇 yang yang
  • 8 篇 shingo nakamoto
  • 8 篇 nicola coppola
  • 8 篇 cheng laifei
  • 8 篇 yu ca
  • 8 篇 esmann m

语言

  • 14,029 篇 英文
  • 2,859 篇 中文
  • 1,874 篇 其他
  • 17 篇 荷兰文
  • 12 篇 法文
  • 10 篇 德文
  • 8 篇 日文
  • 5 篇 西班牙文
  • 3 篇 俄文
  • 1 篇 波兰文
  • 1 篇 塞尔维亚文
  • 1 篇 土耳其文
检索条件""
18823 条 记 录,以下是171-180 订阅
Benefits of Using the Invertebrate Model Organism c. Elegans in an Inquiry-Based Laboratory Activity
收藏 引用
TEAcHING OF PSYcHOLOGY 2023年 第1期50卷 26-31页
作者: Kallarackal, Angy J. Mt St Marys Univ Psychol Dept 16300 Old Emmitsburg Rd Emmitsburg MD 21217 USA
Background: The goals of laboratory experiences include developing knowledge base, research skills, and scientific communication abilities. Objective: The aim was to assess an inquiry-based laboratory activity using t... 详细信息
来源: 评论
Larvae and fry culture of white cachama (Piaractus orinoquensis) in biofloc systems at different carbon/nitrogen (c/N) ratios
收藏 引用
AQUAcULTURE RESEARcH 2022年 第3期53卷 799-809页
作者: Lasso, Luis Felipe collazos castellanos, Jose Alfredo Arias Fukura, Mitsuaki Ueno carrasco, Sandra clemencia Pardo Arana, Luis Alejandro Vinatea Univ Llanos Fac Ciencias Agr & Recursos Natur FCARN Inst Agr Grp Invest IALL Villavicencio Colombia Univ Nacl Colombia Fac Ciencias Agr Dept Prod Anim Sede Medellin Colombia Univ Fed Santa Catarina Dept Aquicultura Lab Camaroes Marinhos Florianopolis SC Brazil
This work evaluated the effects of different carbon/nitrogen (c/N) ratios in the larvae and fry culture of Piaractus orinoquensis in biofloc system on the water quality, proximate analysis and growth performance. The ... 详细信息
来源: 评论
Inhibitors of Jumonji c domain-containing histone lysine demethylases overcome cisplatin and paclitaxel resistance in non-small cell lung cancer through APc/cdh1-dependent degradation of ctIP and PAF15
收藏 引用
cANcER BIOLOGY & THERAPY 2022年 第1期23卷 65-75页
作者: Duan, Lei Perez, Ricardo E. calhoun, Sarah Maki, carl G. Rush Univ Med Ctr Dept Cell & Mol Med 600 S Paulina AveAcFAC 507 Chicago IL 60612 USA Northwestern Univ Robert H Lurie Comprehens Canc Ctr Chicago IL 60611 USA
The Jumonji c domain-containing family of histone lysine demethylases (Jumonji KDMs) have emerged as promising cancer therapy targets. These enzymes remove methyl groups from various histone lysines and, in turn, regu... 详细信息
来源: 评论
Plant c:N ratio predicts community composition changes under N addition in an alpine meadow
收藏 引用
JOURNAL OF EcOLOGY 2022年 第3期111卷 589-600页
作者: Peng, Jinlong Ma, Fangfang Tian, Dashuan Quan, Quan chen, chen Liao, Jiaqiang Zhou, Qingping Niu, Shuli Chinese Acad Sci Inst Geog Sci & Nat Resources Res Key Lab Ecosyst Network Observat & Modeling Beijing Peoples R China Univ Chinese Acad Sci Coll Resources & Environm Beijing Peoples R China Southwest Univ Nationalities Inst Qinghai Tibetan Plateau Chengdu Peoples R China
Plant functional traits play important roles in determining plant responses to environmental change and further shaping community composition, but the role of plant stoichiometry remains poorly understood in regulatin... 详细信息
来源: 评论
Asymmetric organelle positioning during epithelial polarization of c. elegans intestinal cells
收藏 引用
DEVELOPMENTAL BIOLOGY 2022年 第0期481卷 75-94页
作者: Brandt, James N. Voss, Laura Rambo, Fiona M. Nicholson, Katelyn Thein, Jackson R. Fairchild, Lydia Seabrook, Laurence Lewis, Danielia Guevara-Hernandez, Lali White, Matthew L. Sax, Luca Eichten, Victoria Harper, Logan Hermann, Greg J. Lewis & Clark Coll Dept Biol Portland OR 97219 USA
While the epithelial cell cortex displays profound asymmetries in protein distribution and morphology along the apico-basal axis, the extent to which the cytoplasm is similarly polarized within epithelial cells remain... 详细信息
来源: 评论
An assessment of the spontaneous locomotor activity of BALB/c mice
收藏 引用
JOURNAL OF PHARMAcOLOGIcAL ScIENcES 2022年 第2期149卷 46-52页
作者: Miyazaki, Yusuke Kobayashi, Koji Matsushita, Seiji Shimizu, Naoyuki Murata, Takahisa Univ Tokyo Grad Sch Agr & Life Sci Dept Anim Radiol Tokyo Japan
The surrounding environment affects the behavior of an animal. Therefore, long-term observation of an animal's behavior in its natural breeding environment is an effective approach to predict and understand animal... 详细信息
来源: 评论
Functional analysis of a novel de novo variant in PPP5c associated with microcephaly, seizures, and developmental delay
收藏 引用
MOLEcULAR GENETIcS AND METABOLISM 2022年 第1期136卷 65-73页
作者: Fielder, Sara M. Rosenfeld, Jill A. Burrage, Lindsay c. Emrick, Lisa Lalani, Seema Attali, Ruben Bembenek, Joshua N. Hieu Hoang Baldridge, Dustin Silverman, Gary A. Schedl, Tim Pak, Stephen c. Washington Univ Dept Pediat Sch Med St Louis MO 63110 USA Baylor Coll Med Dept Mol & Human Genet Houston TX 77030 USA Texas Childrens Hosp Houston TX 77030 USA Emedgene Technol Genom Res Dept IL-6744332 Tel Aviv Israel Wayne State Univ CS Mott Ctr Human Growth & Dev Dept Obstet & Gynecol Sch Med Detroit MI 48201 USA Washington Univ Dept Genet Sch Med St Louis MO 63110 USA
We describe a proband evaluated through the Undiagnosed Diseases Network (UDN) who presented with microcephaly, developmental delay, and refractory epilepsy with a de novo ***47Thr missense variant in the protein phos... 详细信息
来源: 评论
Latrophilin-1 drives neuron morphogenesis and shapes chemo- and mechanosensation-dependent behavior in c. elegans via a trans function
收藏 引用
BIOcHEMIcAL AND BIOPHYSIcAL RESEARcH cOMMUNIcATIONS 2022年 589卷 152-158页
作者: Matus, Daniel Post, Willem Berend Horn, Susanne Schoeneberg, Torsten Proemel, Simone Univ Leipzig Med Fac Rudolf Schonheimer Inst Biochem D-04103 Leipzig Germany Heinrich Heine Univ Dusseldorf Inst Cell Biol Dept Biol D-40225 Dusseldorf Germany
Latrophilins are highly conserved Adhesion GPcRs playing essential roles in the mammalian nervous system and are associated with severe neurological disorders. Recently, it has been shown that murine Latrophilins medi... 详细信息
来源: 评论
Effects of Fe doping on the electrochemical performance of LiV1-xFexPO4F/c (x=0, 0.01, 0.02, 0.04) cathode materials for lithium-ion batteries
收藏 引用
JOURNAL OF THE cHINESE cHEMIcAL SOcIETY 2022年 第5期69卷 786-793页
作者: Zhang, Xinyi Di, Yuli Jiang, Fayou Jiang, Ao Deng, Lin Li, Taishan Dong, Qi chen, Shanhua Chengdu Univ Technol Coll Mat & Chem & Chem Engn Chengdu 610059 Peoples R China Xichang Univ Sch Sci Xichang Peoples R China Panzhuhua Univ Sch Biol & Chem Engn Panzhihua Peoples R China
The Fe-doped LiVPO4F/c cathode material was synthesized by a one-step solid-state reaction method. The effects of Fe doping content on the structure and electrochemical performance of LiVPO4F/c were investigated. X-ra... 详细信息
来源: 评论
The effect of poly I:c or LPS priming on the therapeutic efficacy of mesenchymal stem cells in an adjuvant-induced arthritis rat model
收藏 引用
PHARMAcOLOGIcAL REPORTS 2022年 第4期74卷 654-668页
作者: Zolfaghari, Samira Milan, Peiman Brouki Dehpour, Ahmad Reza Fomeshi, Motahareh Rajabi Eskandari, Fatemeh Ebrahimi, Loghman Hashemi, Seyed Mahmoud Joghataei, Mohammad Taghi Iran Univ Med Sci Cellular & Mol Res Ctr Tehran *** Iran Iran Univ Med Sci Fac Adv Technol Med Dept Tissue Engn & Regenerat Med Tehran Iran Univ Tehran Med Sci Sch Med Dept Pharmacol Tehran Iran Shahid Beheshti Univ Med Sci Sch Med Dept Immunol Tehran *** Iran
Background The immunomodulatory properties of mesenchymal stem cells (MScs) have made them a prospective treatment option for inflammatory and autoimmune disorders. Recent studies have found an association between the... 详细信息
来源: 评论