英文字典中文字典


英文字典中文字典51ZiDian.com



中文字典辞典   英文字典 a   b   c   d   e   f   g   h   i   j   k   l   m   n   o   p   q   r   s   t   u   v   w   x   y   z       







请输入英文单字,中文词皆可:

CAS    音标拼音: [k'æs]


安装中文字典英文字典查询工具!


中文字典英文字典工具:
选择颜色:
输入中英文单字

































































英文字典中文字典相关资料:


  • CAS REGISTRY®
    CAS REGISTRY®, the CAS substance collection, is the premier source relied upon by scientists and regulators worldwide for accurate information on chemical substances
  • CAS SciFinder - 化合物データベース | CAS
    CAS SciFinder Chemical Compound Databaseは、関連性が高く実行可能なインサイトをより早く発見するためのツールと情報を提供します。詳細はこちらをご覧ください。
  • CAS Common Chemistry
    CAS Common Chemistry is an open community resource for accessing chemical information Nearly 500,000 chemical substances from CAS REGISTRY ® cover areas of community interest, including common and frequently regulated chemicals, and those relevant to high school and undergraduate chemistry classes This chemical information, curated by our expert scientists, is provided in alignment with our
  • Empowering Innovation Scientific Discoveries | CAS
    CAS is a division of the American Chemical Society that provides products and services that help empower scientific discoveries Check out our latest product, SciFinder-n, to see how you can inlock your R amp;D productivity
  • CAS SciFinder - Chemical Compound Database
    The CAS SciFinder chemical compound database has the tools and information you need to uncover relevant, actionable insights faster Learn more
  • About CAS
    Learn about our storied legacy, from the expert human curation to the world-leading solutions that help us drive innovation forward
  • CAS Content
    Every day CAS scientists collect and analyze published scientific literature from around the globe, building the highest quality and most up-to-date collection of scientific information in the world Covering advances in chemistry and related sciences over the last 150 years, the CAS Content Collection empowers researchers, business leaders, and information professionals around the world with
  • CAS Registry Services℠
    CAS Registry Services℠ can provide CAS Registry Numbers, CA Index Names, and other identifiers for chemical substances and regulatory submissions
  • About the CAS Source Index (CASSI) Search Tool
    About CAS CAS, a division of the American Chemical Society, is the most authoritative and comprehensive source for chemical information CAS databases, including CAS REGISTRY SM, are curated and quality-controlled by a global team of scientists
  • CAS REGISTRY®
    CASの化学物質コレクションであるCAS REGISTRY®は、化学物質に関する正確な情報を有しており、世界中の科学者や規制当局などから信頼されている情報源です。





中文字典-英文字典  2005-2009