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:



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:


  • Benzyl group - Wikipedia
    In organic chemistry, benzyl is the substituent or molecular fragment possessing the structure R−CH 2 −C 6 H 5 Benzyl features a benzene ring (C 6 H 6) attached to a methylene group (−CH 2 −) [1]
  • Benzyl | C7H7 | CID 123147 - PubChem
    Benzyl | C7H7 | CID 123147 - structure, chemical names, physical and chemical properties, classification, patents, literature, biological activities, safety hazards toxicity information, supplier lists, and more
  • BENZYL Definition Meaning - Merriam-Webster
    — Sarah Bradley, Health, 22 Mar 2025 Meanwhile, vast quantities of a precursor chemical for amphetamines, benzyl methyl ketone, or BMK, were exported from various Western countries to the Middle East
  • Benzyl alcohol | Solvent, Preservative, Antiseptic | Britannica
    benzyl alcohol, an organic compound, of molecular formula C 6 H 5 CH 2 OH, that occurs combined with carboxylic acids (as esters) in balsams and oils of jasmine and other flowers
  • 16. 4. The benzyl and related groups | Organic Chemistry II - Lumen Learning
    A benzylic radical is a resonance-stabilized radical in each of the two equally stable major resonance forms of which the unpaired electron is on a benzylic carbon eg: The lightest benzylic radical 1 is called the benzyl radical see also primary benzylic radical, secondary benzylic radical, tertiary benzylic radical
  • Difference between Phenyl, Phenylene, Phenol, Benzyl, Benzil, Benzoyl . . .
    Benzyl (abbr Bn) is toluene as a substituent (C 6 H 5 CH 2 —) Benzoyl (abbr Bz) is C 6 H 5 CO— as a substituent Benzil is an organic compound containing a diketone group, with a formula (C 6 H 5 CO) 2 Important: don’t confuse the abbreviations between benzyl (Bn) and benzoyl (Bz), as they are very different substituents!
  • Benzyl group - (Organic Chemistry) - Vocab, Definition . . . - Fiveable
    A benzyl group consists of a benzene ring attached to a methylene (-CH2) group It is a common substituent in organic chemistry that affects the reactivity and properties of molecules
  • Benzyl alcohol - Wikipedia
    Benzyl alcohol (also known as α-cresol) is an aromatic alcohol with the formula C 6 H 5 CH 2 OH The benzyl group is often abbreviated "Bn" (not to be confused with "Bz" which is used for benzoyl ), thus benzyl alcohol is denoted as BnOH





中文字典-英文字典  2005-2009