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methylene    音標拼音: [m'ɛθɪl,in]
n. 亞甲基

亞甲基

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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英文字典中文字典相關資料:
  • 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 blue: Should you take it? | UT MD Anderson
    Methylene blue is a salt and dye that has been used in medicine for over 100 years It has antioxidant, anti-inflammatory, antidepressant and analgesic, or pain-relieving, properties
  • 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 Blue: Uses, Dosage, Side Effects, Warnings - Drugs. com
    Methylene blue is an oxidation-reduction agent used to treat methemoglobinemia, a condition where hemoglobin is oxidized, impairing its ability to carry oxygen
  • 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
  • METHYLENE Definition Meaning - Merriam-Webster
    The meaning of METHYLENE is a divalent hydrocarbon group CH2 derived from methane
  • Methylene: Learn Definition, Structure, Properties, Types Uses
    Learn all about methylene, its physical and chemical properties, common uses, and industrial applications in this comprehensive guide Also learn its structure etc
  • What is Methylene? - BYJUS
    What is Methylene? Methylene is a diatomic radicle forming ethers analogous to those of ethylene The chemical formula of methylene is CH2 Methylene is fluid-like chloroform in appearance and odour, but differing in its boiling point and its specific gravity
  • Methylene - NIST Chemistry WebBook
    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]





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