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
  • 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 Registry Number - Wikipedia
    A CAS Registry Number[1] (also referred to as CAS RN[2] or informally CAS Number) is a unique identification number, assigned by the Chemical Abstracts Service (CAS) in the US to every chemical substance described in the open scientific literature, in order to index the substance in the CAS Registry
  • CAS
    CAS provides prompt, personal service and tailored solutions to clients of all sizes We are committed to building long-term relationships through dependable service, clear communication, and genuine care When you work with us, you can expect a team that stays engaged, responsive, and always one step ahead
  • Chemical Abstracts Service - Wikipedia
    CAS (Chemical Abstracts Service) is a division of the American Chemical Society It is a source of chemical information and is located in Columbus, Ohio, United States
  • Casualty Actuarial Society
    The CAS Institute, or iCAS, is a subsidiary of the Casualty Actuarial Society offering new credentials and specialized professional education for quantitative professionals
  • What Is CAS in Chemistry: Registry Numbers Explained
    CAS numbers give every chemical substance a unique identifier Here’s how they work and why they matter in labs, databases, and everyday products
  • CAS Number Search - NIST Chemistry WebBook
    CAS registry numbers are copyrighted by the American Chemical Society Redistribution rights for CAS registry numbers are reserved by the American Chemical Society
  • PubChem
    PubChem is the world's largest collection of freely accessible chemical information Search chemicals by name, molecular formula, structure, and other identifiers Find chemical and physical properties, biological activities, safety and toxicity information, patents, literature citations and more
  • CAS, a division of the American Chemical Society - YouTube
    The CAS SciFInder Discovery Platform is the next generation of analysis tools helping scientists get discoveries to market faster and optimize margins By giving researchers the tools and
  • American Chemical Society
    ACS is one of the world’s largest scientific societies and the premier home of chemistry professionals Find career opportunities, educational resources, events, funding, and more





中文字典-英文字典  2005-2009