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methylene    音标拼音: [m'ɛθɪl,in]
n. 亚甲基

亚甲基

methylene
n 1: the bivalent radical CH2 derived from methane [synonym:
{methylene group}, {methylene radical}, {methylene}]

Methylene \Meth"yl*ene\, n. [F. m['e]thyl[`e]ne, from Gr. ? wine
? wood; -- a word coined to correspond to the name wood
spirit.] (Chem.)
A divalent hydrocarbon radical, {-CH2-}, not known in the
free state, but regarded as an essential residue and
component of certain derivatives of methane; as, methylene
bromide, {CH2Br2}; -- formerly called also {methene}.
[1913 Webster]

{Methylene blue} (Chem.), an artificial dyestuff consisting
of a complex sulphur derivative of diphenyl amine; --
called also {pure blue}.
[1913 Webster]


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  • Methylene (compound) - Wikipedia
    Methylene (IUPAC name: methylidene, also called carbene or methene) is an organic compound with the chemical formula CH2 (also written [CH2] and not to be confused with compressed hydrogen, which is also denoted CH2)
  • methylene_百度百科
    methylene，英语单词，主要用作名词，作名词时译为“ [有化] 亚甲基；甲叉”。 [1] 外文名 methylene 词 性 名词 英式发音 ['meθɪliːn] 美式发音 ['mɛθɪlɪn]
  • Methylene | CH2 | CID 123164 - PubChem
    Methylene | CH2 | CID 123164 - structure, chemical names, physical and chemical properties, classification, patents, literature, biological activities, safety hazards toxicity information, supplier lists, and more
  • methylidene和methylene有什么区别？ - 知乎
    2-烷亚基-1,2,3,4-四氢嘧啶 而methylene指的是一般的二级碳（仲碳），两个孤电子分别和两个原子成键，比如 eg 1 methylene chloride，不需要强调chloride有两个，因为前面是 methylene，默认有两个 eg 2 苯 乙基丙二酸 比苯甲基丙二酸多一个亚甲基（methylene） 以上 编辑于2017
  • Methylene Group: Structure, Formula, and Reactions
    The methylene group consists of one carbon atom bonded to two hydrogen atoms and connected to the rest of the molecule by two single sigma (σ) bonds It is represented by the formula –CH2– and commonly acts as a linking or bridging unit between two atoms, most often carbon atoms, within a molecule [1-4]
  • methylene是什么意思_methylene的翻译_音标_读音_用法_例句_爱词霸在线词典
    爱词霸权威在线词典,为您提供methylene的中文意思,methylene的用法讲解,methylene的读音,methylene的同义词,methylene的反义词,methylene的例句等英语服务。
  • Methylene - NIST Chemistry WebBook
    Leopold, Murray, et al , 1985 Leopold, D G ; Murray, K K ; Miller, A E S ; Lineberger, W C , Methylene: A study of the X3B1 and the 1A1 states by photoelectron spectroscopy of CH2- and CD2-, J Chem Phys , 1985, 83, 4849 [all data]
  • 二氯甲烷 CAS#: 75-09-2 - ChemicalBook
    联系电话： 021-021-021-67601398-809-809-809 15221380277 产品介绍： 英文名称： METHYLENE CHLORIDE 备注： 标准物质 南京世洲生物科技有限公司 联系电话：
  • What to know about methylene blue - Harvard Health
    Once used to treat malaria, methylene blue is gaining attention for a range of health-related uses Learn where it started, how it works, and what the evidence says about its safety and benefits
  • methylene- - CAS号查询
    CAS号查询致力于为化学行业用户免费提供methylene-的CAS号、中文名称、英文名称相互转换服务,同时也包括methylene-的性质、化学式、分子结构、密度、熔点、沸点等信息。





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