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:


请选择你想看的字典辞典:
单词字典翻译
underprize查看 underprize 在百度字典中的解释百度英翻中〔查看〕
underprize查看 underprize 在Google字典中的解释Google英翻中〔查看〕
underprize查看 underprize 在Yahoo字典中的解释Yahoo英翻中〔查看〕





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:


  • Ethanol: Structure, Types and Properties - allen. in
    Molecular Structure: The molecular structure of Ethanol consists of a chain of two carbons (ethane C2H6) with a hydroxyl group (-OH) bonded at any one end of the carbon This hydroxyl group makes ethanol a primary alcohol Density: Ethanol density is approximately 0 789g cm3 at 20℃
  • Ethanol Lewis structure - Learnool
    In the periodic table, carbon lies in group 14, hydrogen lies in group 1, and oxygen lies in group 16 Hence, carbon has four valence electrons, hydrogen has one valence electron, and oxygen has six valence electrons
  • What Is The Chemical Composition Of Ethanol? | Pure Chemistry
    Chemical Structure of Ethanol Ethanol is a simple alcohol with a molecular structure that can be represented in several ways Its chemical formula is C2H5OH, indicating it contains two carbon (C) atoms, six hydrogen (H) atoms, and one oxygen (O) atom This arrangement forms a hydroxyl group (-OH) bonded to an ethyl group (C2H5)
  • Ethyl Alcohol (Ethanol): Structure Uses | Organic Chemistry . . .
    Ethyl Alcohol Chemical Formula: C₂H₅OH Molecular Structure: Comprises a two-carbon chain where the first carbon is bonded to three hydrogen atoms, and the second carbon is bonded to two hydrogen atoms and a hydroxyl group (-OH) Geometry: Tetrahedral around carbon atoms
  • Alcohols: Structure, Reactions, and Biochemical Roles
    Alcohols are a versatile group of organic compounds characterized by the presence of one or more hydroxyl groups Their structure allows them to participate in various chemical reactions, making them essential in both industrial applications and biological systems





中文字典-英文字典  2005-2009