结果内检索
英语[268]
西班牙语[3]
法语[2]
德语[2]
意大利[2]
中文[1]
日语[1]
葡萄牙语[1]
俄语[1]
瑞典语[1]
Multidisciplinary Sciences(149)
Social Sciences(49)
Arts & Humanities (43)
Earth and Environmental Sciences(29)
Engineering and Technology(26)
Medicine, Biomedical and Health Sciences(22)
Biology and Life Sciences(16)
Agricultural Sciences(14)
Materials Science(13)
Physics(12)
Astronomy(11)
Mathematics(10)
Chemistry and Chemical Engineering(9)
United states(268)
门户/网站/知识库(268)
机构知识库[250]
专题网站[9]
综合门户/网站[5]
综合目录/索引/搜索引擎[2]
学科知识库[2]
开放获取(255)
免费(12)
有限制(1)
 
现在位置:首页 > 资源浏览 >  United states & 门户/网站/知识库

音序定位: ABCDEFGHIJKLMNOPQRSTUVWXYZ

检索结果:268 首页 下一页 末页 跳转到: 排序方式:
全选(清除

免费或开放获取   有限制   专家推荐   机器抓取   馆员登记
1 Academic Commons 开放资源 机器抓取
  This site provides access to the research output of the institution. Some items are not available as full-text, other provide a link to the thesis on ProQuest. Replaces DigitalComm...
  详细信息

2 Afganistan Digital Library 开放资源 机器抓取
  This repository is collecting images of Afghanistan’s published cultural heritage between 1871–1930.;...
  详细信息

3 AgEcon Search 开放资源 机器抓取
  This site is a subject based repository collecting materials relating to agriculture and applied economics from 1965 to the present day. Users may set up RSS feeds to be alerted to...
  详细信息

4 ALADIN Research Commons 开放资源 机器抓取
  This is an institutional based repository for the Washington Research Library Consortium, comprising 7 regional institutions. While it is the whole site can be searched as one, it ...
  详细信息

5 Alaskas Digital Archives 开放资源 机器抓取
  This site is a repository of information, publications and resources conglomerated from various sources on the Alaskan region of the United States of America. These are subdivided ...
  详细信息

6 Allen Park Veterans Administration Hospital Archives 开放资源 机器抓取
  This site provides access to documents and images of the Hospital and events surrounding the hospital and its occupants. The interface is in English.;...
  详细信息

7 American Memory 开放资源 机器抓取
  This is an extensive repository containing material relating to the American experience, a large portion of it digitised from the Library of Congress' collections. It includes, but...
  详细信息

8 American Mineralogist Crystal Structure Database 开放资源 机器抓取
  This site is a subject based repository containing structural information on crystals published in a number of key journals.;...
  详细信息

9 American Museum of Natural History Scientific Publications 开放资源 机器抓取
  This site is a institutional repository providing access to the publication output of the museum's scientific endeavours. The site includes articles in current and past issues of t...
  详细信息

10 American Studies at the University of Virginia 开放资源 机器抓取
  The program of American Studies at the University of Virginia offers a multidisciplinary website to all aspects of cultural geography of America like ethnicity, gender studies, lit...
  详细信息

当前第1页,共27页 | 首页 下一页 末页 跳转到:
版权所有 © 2010-2014 中国科学院兰州文献情报中心
地址:甘肃省兰州市天水中路8号  邮政编码:730000