SlideShare 文档库
A great search on slide decks over any topic. Transcript of slide texts is most of the time also provided.
搜索
Search engines and search tools, from the most famous ones to very specialized. Note that standards and regulations search have their dedicated “Standards” category and therefore not included here.
PubChem 化学信息检索
Hosted by the National Library of Medicine, PubChem is a comprehensive, open-access chemical database maintained by the National Center for
PubMed Medline引文和摘要检索
Hosted by the National Library of Medicine, search through 32 million citations for biomedical literature from MEDLINE, life science journals,
欧洲医疗器械数据库（EUDAMED）
Search for devices or certificates for any registered (mandatory) medical device in the EU: EUDAMED is the centralized IT system
Ahmia 暗网 Tor 搜索
The only (only?) search engine indexing Tor sites … that is accessible on a normal www site: Ahmia is a
临床试验数据库
Search the database of privately and publicly funded clinical studies in US and around the world: ClinicalTrials.gov is a centralized registry
PubMed 中央医学图书馆
Search the 10.4+ million full-text medical archives of the National Library of Medicine: PubMed Central (PMC) is a digital repository
IRC频道和主题搜索
Simple but effective tool to search for an IRC channel, on more than 500 IRC networks, on any topic: Netsplit.de
访问结构、CCDC 和 FIZ 卡尔斯鲁厄晶体数据库
World biggest cristal structures repository. For each organic crystal, get its chemical diagram and an interactive 3D model view of
互联网档案馆：archive.ph
In a very similar way to the well known Wayback Machine, it will save any given URL you provide and