六月 26, 2009
By 刀客 in 论文相关 | 0 comments
一、中国
1、中国知网(CNKI) http://www.cnki.net/
中国知识基础设施工程(China National Knowledge Infrastructure,CNKI)是由清华同方光盘股份有限公司、清华大学中国学术期刊电子杂志社、光盘国家工程研究中心联合建设的综合性文献数据库,于1999年6月在
CERNET上开通了中心网站(http://www.cnki.net),在CHINANET上开通了第二中心网站(http://www.chinajournals.com),并且在许多图书馆和情报单位建立了镜像站点。目前CNKI已建成了中国期刊全文数据库、优秀博硕士学位论文数据库、中国重要报纸全文数据库、重要会议论文全文数据库、科学文献计量评价数据库系列光盘等大型数据库产品,中国期刊全文数据库为其主要产品之一。
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十月 22, 2008
By 刀客 in 化学世界 | 0 comments
一、有机合成:
Organic Syntheses(有机合成手册), John Wiley & Sons (免费)
http://www.orgsyn.org/
Named Organic Reactions Collection from the University of
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九月 25, 2008
By 刀客 in 化学世界 | 0 comments
Chemical information is in the early stages of a revolution. Long dominated by a handful of established players, the field has rather suddenly opened up to a variety of innovative newcomers. The Internet now offers a diverse array of free online chemistry databases, twelve of which were summarized in a recent article. This list has since been updated with new information and new entries. The following (incomplete) list summarizes some of the possibilities available for your next search.
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一月 25, 2008
By 刀客 in 化学世界 | 0 comments
1. 化合物毒性相关数据库 Toxnet http://toxnet.nlm.nih.gov/
2. 毒性物质与健康和环境数据库 http://esc.syrres.com/efdb/TSCATS.htm
3. 急性毒性数据库 http://www.cerc.usgs.gov/data/acute/acute.html
4. SpectraOnline,Galact http://spectra.galactic.com/SpectraOnline/Default_ie.htm
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