CAS数据库(Chemical Abstracts Service,CAS)是美国化学会(American Chemical Society,ACS)旗下的分支机构,该数据库由CAS来自全球的科学家进行收集整理和控制质量,收录了全球数千种期刊和63个专利机构以及全球发布的技术报告、书籍、会议记录...
Chemical Abstracts Service Is Setting RecordsReports on the records set by the American Chemical Society's Chemical Abstracts Service (CAS) Division in database building. Comments of CAS director Robert Massie; Collaboration in creating links to referenced research and other publishers.Raber Linda...
Chemical Abstracts Service (CAS).doc Chemical Abstracts Service (CAS) 化学文摘社 (CAS) (美国) http://www.ChemC/ ???化学文摘社是世界上最大、最综合性的化学信息数据库生产者。它的主要数据库产品 CHEMICAL ABSTRACTS (CA) 和REGISTRY 现已包括1300万条与化学有关的文献及专利摘要, 1650万种物质。该主...
CAS号的由来 美国化学会的下设组织化学文摘社(Chemical Abstracts Service,简称CAS)。该社负责为每一种出现在文献中的物质分配一个CAS编号,这是为了避免化学物质有多种名称的麻烦,使数据库的检索更为方便。 其缩写CAS在生物化学上便成为物质唯一识别码的代称,相当于每一种化学物质都拥有了自己的“学号”,类似于人...
oChemicalAbstractsService(CAS) 化学文摘社(CAS)(美国)http://.ChemCenter/ 化学文摘社是世界上最大、最综合性的化学信息数据库生产者。它的主要数据库产品 CHEMICALABSTRACTS(CA)和REGISTRY现已包括1300万条与化学有关的文献 及专利摘要,1650万种物质。该主页有一个查询按钮,进入后可查询CAS已放在 ...
service to a financially independent operation. In the beginning, ACS-member dues financed Chemical Abstracts and Society members could receive it free. In 1933 a small subscription fee was charged, as a supplement to the allocation from dues, a system that satisfied CAS' financial needs for a ...
aI'd love to kill you I'd love to kill you[translate] ahello Jordi. hola Jordi.[translate] aIt will be come ture. 它将是来临ture。[translate] aCAS No: the Chemical Abstracts Service (CAS) registry number CAS没有: 化工摘要服务(CAS)登记数字[translate]...
自1970年以来,Chemical Abstracts Service(CAS)已经将40000多个与化学有关的科学期刊编入索引,除此之外还有专利,会议记录、其他与化学、生命科学相关的文件和许多其他领域的期刊。总体而言,有超过22万份的文件可通过CAS在线访问。通过CA印刷版,CACD版,STN,SciFinder以及SciFinder Scholar桌面研究工具,以及STN Easy或STN...
About Chemical Abstracts Service At CAS, we curate, connect, and analyze scientific knowledge to reveal the unseen connections that inspire breakthroughs. We weave a fabric of discovery that scientific innovators can tap into to stimulate their creativity and accelerate their work. Because when the ...