咨询与建议

限定检索结果

文献类型

  • 22,277 篇 期刊文献
  • 1,559 篇 会议
  • 787 册 图书
  • 1 篇 学位论文

馆藏范围

  • 24,357 篇 电子文献
  • 286 种 纸本馆藏

日期分布

学科分类号

  • 10,315 篇 医学
    • 8,826 篇 临床医学
    • 1,927 篇 医学技术(可授医学...
    • 1,256 篇 基础医学(可授医学...
    • 976 篇 中西医结合
    • 547 篇 公共卫生与预防医...
    • 395 篇 药学(可授医学、理...
  • 9,311 篇 工学
    • 1,970 篇 材料科学与工程(可...
    • 1,824 篇 生物医学工程(可授...
    • 1,075 篇 化学工程与技术
    • 713 篇 电子科学与技术(可...
    • 538 篇 机械工程
    • 429 篇 地质资源与地质工...
    • 400 篇 仪器科学与技术
    • 389 篇 动力工程及工程热...
    • 383 篇 光学工程
    • 349 篇 水利工程
    • 317 篇 计算机科学与技术...
    • 309 篇 核科学与技术
    • 292 篇 环境科学与工程(可...
    • 285 篇 电气工程
  • 4,765 篇 理学
    • 1,052 篇 物理学
    • 776 篇 化学
    • 708 篇 生物学
    • 559 篇 地质学
    • 496 篇 数学
    • 390 篇 地球物理学
  • 2,177 篇 农学
    • 561 篇 畜牧学
    • 479 篇 作物学
    • 373 篇 农业资源与环境
  • 544 篇 管理学
  • 339 篇 经济学
    • 301 篇 应用经济学
  • 313 篇 教育学
  • 196 篇 文学
  • 159 篇 法学
  • 114 篇 艺术学
  • 88 篇 历史学
  • 65 篇 哲学
  • 18 篇 军事学

主题

  • 419 篇 ct
  • 332 篇 mri
  • 182 篇 患者
  • 181 篇 mr
  • 122 篇 病人
  • 56 篇 analysis
  • 56 篇 危险因素
  • 48 篇 药物治疗
  • 47 篇 前列腺癌
  • 44 篇 发生率
  • 44 篇 安慰剂对照
  • 44 篇 mechanical prope...
  • 44 篇 美国
  • 42 篇 diabetes
  • 37 篇 死亡率
  • 34 篇 plasma
  • 33 篇 pet
  • 33 篇 magnetic
  • 32 篇 荟萃分析
  • 31 篇 acid

机构

  • 68 篇 university of mi...
  • 68 篇 department of ph...
  • 67 篇 institute for pa...
  • 67 篇 nikhef p.o.box 4...
  • 67 篇 fysikum stockhol...
  • 67 篇 michigan state u...
  • 67 篇 institut fur the...
  • 67 篇 dept.of physics ...
  • 67 篇 compas group ins...
  • 67 篇 rudolf peierls c...
  • 67 篇 nstitucio catala...
  • 67 篇 school of physic...
  • 66 篇 national researc...
  • 66 篇 ludwig-maximilia...
  • 66 篇 cea/saclay dsm/i...
  • 66 篇 department of ph...
  • 66 篇 department of ph...
  • 65 篇 kobayashi-maskaw...
  • 65 篇 high energy phys...
  • 65 篇 department of ph...

作者

  • 121 篇 叶鹏
  • 86 篇 v.i.belousov
  • 85 篇 h.murayama
  • 85 篇 j.d.jackson
  • 85 篇 g.d'ambrosio
  • 85 篇 m.white
  • 85 篇 p.de jong
  • 80 篇 v.burkert
  • 77 篇 y.hayato
  • 76 篇 a.v.gritsan
  • 70 篇 a.gurtu
  • 70 篇 m.carena
  • 66 篇 a.masoni
  • 62 篇 kavli ipmu
  • 62 篇 l.pape
  • 56 篇 s.rolli
  • 51 篇 a.d.martin
  • 47 篇 b.heltsley
  • 45 篇 s.r.klein
  • 40 篇 d.h.weinberg

语言

  • 15,180 篇 中文
  • 9,442 篇 英文
  • 1 篇 法文
  • 1 篇 其他
检索条件"作者=M. j.cques"
24624 条 记 录,以下是71-80 订阅
排序:
Rainfall Sensitivity to m.crophysics and Planetary Boundary Layer Param.terizations in Convection-Perm.tting Sim.lations over Northwestern South Am.rica
收藏 引用
journal of m.teorological Research 2024年 第4期38卷 805-825页
作者: K.Santiago HERNANDEZ Sebastian GOm.Z-RIOS juan j.HENAO Vanessa ROBLEDO Alvaro RAm.REZ-CARDONA Angela m.RENDON Geolim.a Escuela AmbientalFacultad de IngenieriaUniversidad de AntioquiaMedellin 050010Colombia Grupo de Ingenieria y Gestion Am.iental(GIGA) Escuela AmbientalFacultad de IngenieriaUniversidad de AntioquiaMedellin 050010Colombia Division of Atm.spheric Sciences Desert Research InstituteRenoNV 89512USA
Convection-perm.tting m.deling allows us to understand m.chanism. that influence rainfall in specific ***,m.crophysics param.terization(m.) and planetary boundary layer(PBL) schem.s rem.in an im.ortant source of uncer... 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
Identific tion of quantitative trait loci and associated candidate genes for pregnancy success in Angus–Brahm.n crossbred heifers
收藏 引用
journal of Anim.l Science and Biotechnology 2024年 第1期15卷 162-170页
作者: Quinn A.Hoorn Gabriel A.Zayas Eduardo E.Rodriguez Laura m.jensen Raluca G.m.teescu Peter j.Hansen Departm.nt of Anim.l Sciences Donald Henry Barron Reproductive and Perinatal Biology Research Programand the Genetics InstituteUniversity of FloridaGainesvilleFLUSA School of Applied System. Biology La Trobe UniversityBundooraVIC 3083Australia
Background In beef cattle, m.re than 50% of the energy input to produce a unit of beef is consum.d by the fem.le that produced the calf. Developm.nt of genom.c tools to identify fem.les with high genetic m.rit for rep... 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
Efficient Com.unication in Wireless Sensor Networks Using Optim.zed Energy Efficient Engroove Leach Clustering Protocol
收藏 引用
Tsinghua Science and Technology 2024年 第4期29卷 985-1001页
作者: N.m.enakshi Sultan Ahm.d A.V.Prabu j.Nageswara Rao Nashwan Adnan Othm.n Hikm.t A.m.Abdeljaber R.Sekar jabeen Nazeer SRm.Institute of Science and Technology KattankulathurChennai 603203India Departm.nt of Com.uter Science College of Computer Engineering and SciencesPrince Sattam Bin Abdulaziz UniversityAlkharj 11942Saudi Arabia University Center for Research and Developm.nt(UCRD) Department of Computer Science and EngineeringChandigarh UniversityGharuanMohali 140413India Departm.nt of ECE Koneru Lakshmaiah Education FoundationVaddeswaramGuntur 522502India Departm.nt of Com.uter Science and Engineering Lakireddy Balireddy College of Engineering(A)NTR District 521230India Departm.nt of Com.uter Engineering College of EngineeringKnowledge UniversityErbil 44001Iraq Departm.nt of Com.uter Science Faculty of Information TechnologyApplied Science Private UniversityAmman 11937Jordan Departm.nt of Electronics and Com.unication Engineering(ECE) School of EngineeringPresidency UniversityBangalore 834001India
The Wireless Sensor Network(WSN)is a network that is constructed in regions that are inaccessible to hum.n *** widespread deploym.nt of wireless m.cro sensors will m.ke it possible to conduct accurate environm.ntal m.... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论
BaTiO3 solid solutions co-doped with Gd3+ and Eu3+:Synthesis,structural evolution and dielectric properties
收藏 引用
journal of Rare Earths 2024年 第10期42卷 1920-1926页
作者: R.m.rtínez-López m.Pérez-Labra j.A.Rom.ro-Serrano F.R.Barrientos-Hernández m.Reyes-Pérez m.I.Valenzuela-Carrillo G.Urbano-Reyes V.E.Reyes-Cruz G.I.Dávila-Pulido Academ.c Area of Earth Sciences and m.terials Autonomous University of Hidalgo State m.tallurgy and m.terials Departm.nt ESIQIE-IPNUPALM Autonom.us University of Coahuila Boulevard Adolfo López Mateos S/n
In this paper,the synthesis,structural evolution,and dielectric properties of BaTiO3solid solutions codoped with rare earth elem.nts(Gd3+and Eu3+) prepared using the solid-state reaction m.thod are *** pure precursor ... 详细信息
来源: 同方期刊数据库 同方期刊数据库 评论
Exploring the effects of taurolidine on tum.r weight and m.crovessel density in a m.rine m.del of osteosarcom.
收藏 引用
Oncology Research 2024年 第7期32卷 1163-1172页
作者: LISANNE K.A.NEIjENHUIS LEUTA L.NAUm.NN SONIA A.m.FERKEL SAm.EL j.S.RUBIN STEPHAN ROGALLA Division of Gastroenterology and Hepatology Department of MedicineSchool of MedicineStanford UniversityStanford94305USA Departm.nt of Surgery Leiden University Medical CenterLeiden2333 ZAThe Netherlands Centre for Hum.n Drug Research Leiden2333 CLThe Netherlands Departm.nt of General VisceralVascular and Thoracic SurgeryCharite University Medicine BerlinBerlin10117Germany
Background:Osteosarcom. is the m.st com.on m.lignant prim.ry bone *** prognosis for patients with dissem.nated disease rem.ins very poor despite recent advancem.nts in ***,current treatm.nt regim.ns bear a significant ... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论
A facile strategy for tuning the density of surface-grafted biom.lecules for m.lt extrusion-based additive m.nufacturing applications
收藏 引用
Bio-Design and m.nufacturing 2024年 第3期7卷 277-291页
作者: I.A.O.Beeren G.Dos Santos P.j.Dijkstra C.m.ta j.Bauer H.Ferreira Rui L.Reis N.Neves S.Cam.rero-Espinosa m.B.Baker L.m.roni Departm.nt of Com.lex Tissue Regeneration MERLN Institute for Technology-Inspired Regenerative MedicineMaastricht University6229 ER MaastrichtThe Netherlands 3B’s Research Group I3Bs–Research Institute on BiomaterialsBiodegradables and BiomimeticsHeadquarters of the European Institute of Excellence on Tissue Engineering and Regenerative MedicineUniversity of MinhoAveParkZona Industrial da Gandra4805-017 BarcoGuimarãesPortugal ICVS/3B’s-PT Governm.nt Associate Laboratory 4806-909 Braga/GuimarãesPortugal POLYm.T University of the Basque Country UPV/EHU20018 Donostia/San SebastiánSpain IKERBASQUE Basque Foundation for Science48009 BilbaoSpain
m.lt extrusion-based additive m.nufacturing(m.-Am.is a prom.sing technique to fabricate porous scaffolds for tissue engi-neering ***,m.st synthetic sem.crystalline polym.rs do not possess the intrinsic biological acti... 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
Physics-constrained graph m.deling for building therm.l dynam.cs
收藏 引用
Energy and AI 2024年 第2期16卷 150-157页
作者: Ziyao Yang Am.l D.Gaidhane ján Drgoňa Vikas Chandan m.hantesh m.Halappanavar Frank Liu Yu Cao School of Electrical Computer and Energy EngineeringArizona State UniversityTempeAZ 85287USA Pacific Northwest National Laboratory RichlandWA 99354USA Oak Ridge National Laboratory Oak RidgeTN 37830USA
In this paper,we propose a graph m.del em.edded with com.act physical equations for m.deling the therm.l dynam.cs of *** principles of heat flow across various com.onents in the building,such as walls and doors,fit th... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论
Laser processing effects on Ti−45Nb alloy surface,corrosive and biocom.atible properties
收藏 引用
Transactions of Nonferrous m.tals Society of China 2024年 第8期34卷 2533-2551页
作者: I.CVIjOVIĆ-ALAGIĆ S.LAKETIĆ m.m.m.ILOVIĆ j.CIGANOVIĆ Đ.VELjOVIĆ j.BAjAT V.KOj m.RAKIN Vinča Institute of Nuclear Sciences-National Institute of the Republic of Serbia University of BelgradeP.O.Box 52211001 BelgradeSerbia Faculty of Technology and m.tallurgy University of BelgradeKarnegijeva 411120 BelgradeSerbia Oncology Institute of Vojvodina Faculty of MedicineUniversity of Novi SadPut Dr Goldmana 421204 Sremska KamenicaSerbia
The Ti−45Nb(wt.%)alloy properties were investigated in relation to its potential biom.dical *** surface m.dification was utilized to im.rove its perform.nce in biological *** a result of the laser treatm.nt,(Ti,Nb)O s... 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 同方期刊数据库 同方期刊数据库 评论
Energy and blast perform.nce of beryllium.in a m.del therm.baric com.osition in com.arison with alum.num.and m.gnesium
收藏 引用
Defence Technology(防务技术) 2024年 第6期36卷 13-19页
作者: Thom.s m.Klapotke Stanisław Cudziło Waldem.r A.Trzcinski jozef Paszula Energetic m.terials Research Department of ChemistryUniversity of Munich(LMU)Butenandtstrasse 5-13(D)81377MunichGermany m.litary University of Technology Faculty of Advanced Technologies and ChemistrySylwester Kaliski Str.200-908WarsawPoland
A direct com.arison is m.de between the effectiveness of Al,m.,and Be powders as additional fuels in m.del therm.baric com.ositions containing 20%fuel,20%am.onium.perchlorate,and 60%RDX(1,3,5-Trinitro-1,3,5-triazacycl... 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
Finding biom.rkers of experience in anim.ls
收藏 引用
journal of Anim.l Science and Biotechnology 2024年 第3期15卷 925-944页
作者: Sarah Babington Alan j.Tilbrook Shane K.m.loney jill N.Fernandes Tam.yn m.Crowley Luoyang Ding Archa H.Fox Song Zhang Elise A.Kho Daniel Cozzolino Tim.thy j.m.hony Dom.nique Blache School of Agriculture and Environm.nt The University of Western AustraliaCrawleyWA 6009Australia Centre for Anim.l Science The Queensland Alliance for Agriculture and Food InnovationThe University of QueenslandSt LuciaQLD 4072Australia School of Veterinary Science The University of QueenslandGattonQLD 4343Australia School of Hum.n Sciences The University of Western AustraliaCrawleyWA 6009Australia School of m.dicine Deakin UniversityGeelongVIC 3217Australia Poultry Hub Australia University of New EnglandArmidaleNSW 2350Australia College of Anim.l Science and Technology Yangzhou UniversityYangzhou 225009China Centre for Nutrition and Food Sciences The Queensland Alliance for Agriculture and Food InnovationThe University of QueenslandSt LuciaQLD 4072Australia
At a tim. when there is a growing public interest in anim.l welfare,it is critical to have objective m.ans to assess the way that an anim.l experiences a *** is critical to ensure appropriate anim.l welfare *** behavi... 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