| 单词 | alkyl group |
| 释义 | alkyl group (once / 695254 pages) n WORD FAMILY alkyl group: alkyl groups USAGE EXAMPLESThe hydrogen of the hydroxyl group in phenol can be replaced by metals, by alkyl groups and by acid radicals. Various, Encyclopaedia Britannica, 11th Edit...(2010) In fact, the analogy between the alkyl groups and metallic elements forms a convenient basis from which to consider many derivatives. Various, Encyclopaedia Britannica, 11th Edit...(2010) The hydrogen in the hydroxyl group, as is known, may be substituted by an alkyl group. Various, Scientific American Supplement No....(2010) n any of a series of univalent groups of the general formula CnH2n+1 derived from aliphatic hydrocarbons Syn|Hypo|Hyper alkyl, alkyl radical ethyl, ethyl group, ethyl radical the univalent hydrocarbon radical C2H5 derived from ethane by the removal of one hydrogen atom methyl, methyl group, methyl radicalthe univalent radical CH3- derived from methane aminomethanea methyl with the hydrogen atom replaced by an amino radical hydroxymethyla methyl with hydroxide replacing the hydrogen atoms chemical group, group, radical (chemistry) two or more atoms bound together as a single unit and forming part of a molecule |
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