咨询与建议

限定检索结果

文献类型

  • 32,890 篇 期刊文献
  • 1,731 篇 会议
  • 959 册 图书
  • 99 篇 学位论文
  • 6 篇 报纸

馆藏范围

  • 35,268 篇 电子文献
  • 435 种 纸本馆藏

日期分布

学科分类号

  • 12,453 篇 医学
    • 10,196 篇 临床医学
    • 1,246 篇 医学技术(可授医学...
    • 915 篇 基础医学(可授医学...
    • 834 篇 中西医结合
    • 743 篇 公共卫生与预防医...
    • 550 篇 药学(可授医学、理...
  • 12,333 篇 工学
    • 2,440 篇 材料科学与工程(可...
    • 1,557 篇 化学工程与技术
    • 1,159 篇 生物医学工程(可授...
    • 946 篇 电子科学与技术(可...
    • 802 篇 计算机科学与技术...
    • 786 篇 机械工程
    • 576 篇 动力工程及工程热...
    • 572 篇 地质资源与地质工...
    • 528 篇 仪器科学与技术
    • 464 篇 电气工程
    • 461 篇 水利工程
    • 451 篇 环境科学与工程(可...
    • 435 篇 力学(可授工学、理...
  • 6,637 篇 理学
    • 1,274 篇 化学
    • 1,244 篇 物理学
    • 1,051 篇 数学
    • 967 篇 生物学
    • 604 篇 地质学
  • 2,891 篇 农学
    • 688 篇 作物学
    • 549 篇 畜牧学
    • 548 篇 农业资源与环境
  • 1,270 篇 管理学
    • 531 篇 管理科学与工程(可...
  • 981 篇 经济学
    • 841 篇 应用经济学
  • 714 篇 教育学
    • 478 篇 教育学
  • 536 篇 法学
  • 498 篇 文学
  • 216 篇 历史学
  • 165 篇 哲学
  • 148 篇 艺术学
  • 54 篇 军事学

主题

  • 174 篇 mri
  • 169 篇 ct
  • 167 篇 患者
  • 114 篇 analysis
  • 105 篇 covid-19
  • 97 篇 of
  • 90 篇 diabetes
  • 90 篇 and
  • 79 篇 cancer
  • 78 篇 病人
  • 75 篇 acid
  • 70 篇 temperature
  • 68 篇 health
  • 68 篇 美国
  • 62 篇 structure
  • 61 篇 mr
  • 59 篇 corrosion
  • 51 篇 prevalence
  • 48 篇 case report
  • 47 篇 rare earths

机构

  • 72 篇 西安交通大学
  • 68 篇 university of mi...
  • 67 篇 institute for pa...
  • 67 篇 albert einstein ...
  • 67 篇 dipartimento di ...
  • 67 篇 nikhef p.o.box 4...
  • 67 篇 fysikum stockhol...
  • 67 篇 michigan state u...
  • 67 篇 NOT FOUND
  • 67 篇 institut fur the...
  • 67 篇 dept.of physics ...
  • 66 篇 national researc...
  • 66 篇 compas group ins...
  • 66 篇 rudolf peierls c...
  • 65 篇 department of ph...
  • 62 篇 max-planck-insti...
  • 62 篇 nstitucio catala...
  • 62 篇 cern european or...
  • 62 篇 department of ph...
  • 61 篇 school of physic...

作者

  • 85 篇 f.krauss
  • 85 篇 g.weiglein
  • 85 篇 h.murayama
  • 85 篇 j.parsons
  • 85 篇 j.d.jackson
  • 85 篇 g.d'ambrosio
  • 85 篇 r.s.chivukula
  • 85 篇 y.kwon
  • 84 篇 m.white
  • 83 篇 m.drees
  • 73 篇 s.blusk
  • 71 篇 p.de jong
  • 64 篇 o.dahl
  • 63 篇 k.monig
  • 62 篇 叶鹏
  • 59 篇 b.foster
  • 44 篇 g.rybka
  • 42 篇 a.ringwald
  • 36 篇 王铮
  • 35 篇 v.i.belousov

语言

  • 19,194 篇 中文
  • 16,481 篇 英文
检索条件"作者=GUTIERREZ.Néstor mauricio"
35685 条 记 录,以下是91-100 订阅
排序:
Development and Application of a Modified Genetic Algorithm for Estimating Parameters in GMA Models
收藏 引用
Applied Mathematics 2014年 第16期5卷 2447-2457页
作者: José A. Hormiga Carlos González-Alcón néstor V. Torres Grupo de Tecnología Bioquímica Departamento de Bioquímica y Biología Molecular Facultad de Biología Universidad de La Laguna San Cristóbal de La Laguna Spain
In this work we introduce a modified version of the simple genetic algorithm (MGA) and will show the results of its application to two GMA power law models (a general theoretical branched pathway system and a mathemat... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论
Linear geometric algebra rotor estimator for efficient mesh deformation
收藏 引用
IET Cyber-Systems and Robotics 2020年 第2期2卷 88-95页
作者: Jin Wu mauricio Lopez Ming Liu Yilong Zhu Department of Electronic and Computer Engineering Hong Kong University of Science and TechnologyHong KongPeople's Republic of China Buenos Aires Computer Corporation Buenos AiresArgentina
The authors solve the problem of estimating the best rotation aligning two sets of corresponding vectors(also known as Wahba's problem or point cloud registration).The proposed method is among the fastest methods repo... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论
Integrated operational planning of hydrothermal power and natural gas systems with large scale storages
收藏 引用
Journal of Modern Power Systems and Clean Energy 2017年 第3期5卷 299-313页
作者: Diego mauricio OJEDA-ESTEYBAR Ricardo German RUBIO-BARROS Alberto VARGAS Instituto de Energı´a Ele´ctrica(IEE) Universidad Nacional de San Juan(UNSJ)Consejo Nacional de Investigaciones Cientı´ficas y Tecnolo´gicas(CONICET)Av.Libertador Gral.San Martı´n West 11095400 San JuanArgentina
The growing installation of natural gas fired power plants has increased the integration of natural gas and electricity sectors. This has driven the need investigate the interactions among them and to optimize energy ... 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
Pleiotrophin fights Brd2 for neuronal differentiation
收藏 引用
neural Regeneration Research 2015年 第4期10卷 544-546页
作者: Pablo Garcia-gutierrez Mario Garcia-Dominguez Stem Cells Department Andalusian Center for Molecular Biology and Regenerative Medicine (CABIMER) (Consejo Superior de Investigaciones Cientificas (CSIC)Junta de AndalucíaUniversidad de SevillaUniversidad Pablo de Olavide).Av.Americo Vespucio s/n41092 SevilleSpain
Bromodomain containing 2 (Brd2) protein belongs to the Bromodomains and Extra Terminal domain (BET) family of chromatin adaptors characterized by the presence of two n-terminal tandem bromodomains and an exclusive... 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
SPEAKER VERIFICATIOn In nOISE USInG TEMPORAL COnSTRAInTS
SPEAKER VERIFICATION IN NOISE USING TEMPORAL CONSTRAINTS
收藏 引用
6~(th) International Conference on Spoken Language Processing
作者: néstor Becerra Yoma Tarciano Facco Pegoraro Dept. of Electrical Eng./University of Chile Av. Tupper 2007 P.O.Box 412-3 Santiago CHILE Ericsson do Brasil Maria Prestes Maia 300 Sao Paulo-SP BRAZIL
<正> This paper addresses the problem of state duration modeling in combination with spectral subtraction and Rasta filtering to cancel both additive and convolutional noise in a text-dependent speaker verification ...
来源: cnki会议 评论
Effects of bixin in high-fat diet-fed-induced fatty liver in C57BL/6J mice
收藏 引用
Asian Pacific Journal of Tropical Biomedicine 2016年 第12期6卷 1015-1021页
作者: Rosa Martha Perez gutierrez Rita Valadez Romero Research Laboratory of natural Products School of Chemical Engineering and Extractive IndustriesNational Polytechnic InstituteAv.Instituto Politecnico Nacional S/NUnidad Profesional Adolfo Lopez Mateos
Objective:To evaluate the anti-obesity activity of bixin(BIX) on C57BL/6J mice which were fed a high-fat diet(HFD) and to determine the mechanism of this ***:C57BL/6J mice were separately fed a high-calorie diet or a ... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论
Comparison of four methods to evaluate sperm DnA integrity between mouse caput and cauda epididymidis
收藏 引用
Asian Journal of Andrology 2012年 第2期14卷 335-337页
作者: Serafin Perez-Cerezales: Alberto Miranda Alfonso gutierrez-Adan Department of Animal Reproduction National Institute for Agricultural and Food Research and Technology Madrid 28040 Spain
It is well known that transit through the epididymis involves an increase in the compaction of sperm chromatin, which acquires fully condensed status at the caput epididymidis. The purpose of this study was to compare... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论
Prediction of environment variables in precision agriculture using a sparse model as data fusion strategy
收藏 引用
Information Processing in Agriculture 2022年 第2期9卷 171-183页
作者: L.Mancipe-Castro R.E.gutierrez-Carvajal Multimedia Engineering Program/Universidad Militar nueva Granada Bogota 110111Colombia
Precision agriculture seeks to optimize production processes by monitoring and analyzingenvironmental variables. For example, establishing farming actions on the crop requiresanalyzing variables such as temperature, a... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论
Liquid biopsy to detect resistance mutations against anti-epidermal growth factor receptor therapy in metastatic colorectal cancer
收藏 引用
World Journal of Gastrointestinal Oncology 2022年 第9期14卷 1654-1664页
作者: Guillermo Valenzuela mauricio Burotto Katherine Marcelain Jaime Gonzalez-Montero Department of Basic and Clinical Oncology University of ChileSantiago 8380453Chile Department of Internal Medicine Hospital del SalvadorSantiago 7500922Chile Department of Oncology Bradford-Hill Clinical Research CenterSantiago 8420383Chile
Colorectal cancer(CRC) is a major cause of mortality worldwide, associated with a steadily growing prevalence. notably, the identification of KRAS, nRAS, and BRAF mutations has markedly improved targeted CRC therapy b... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论
Impact of Feedlot on Soil Phosphorus Concentration
收藏 引用
Journal of Environmental Protection 2011年 第3期2卷 280-286页
作者: nicolás Wyngaard Liliana Picone Cecilia Videla Ester Zamuner néstor Maceira 不详
Raising cattle in feedlots is becoming more common in Argentina, but there is little information available about the effects of this practice on soil phosphorus (P) dynamics. In this study, concentrations of water and... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论