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dimethyl    
二甲基

二甲基


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  • Difference between a dimethyl and ethyl substituent groups
    If an organic compound has dimethyl in its name than that means that it has 2 methyl groups If they are on the same carbon they form a V in the bond line structure An ethyl group on the other hand forms a 2 carbon unbranched zigzag in the bond line structure instead of the V that a dimethyl group forms in the bond line structure
  • Do we understand why Dimethyl Mercury is so toxic?
    $\begingroup$ @edv: story i heard was american scientists were attempting to brain damage or kill the soviet rocket wizards by getting them to try to use dimethyl mercury in the own space program hydrazine is a very toxic fuel component that is actually used but i think dimethyl Hg would be far worse, almost no way anyone involved would not get sick i bet the soviets would have realized the
  • alcohols - what is mechanism for reaction phenol + dimethylsulphate . . .
    The formed Phenolate is a good nucleophile, and will attack the methyl groups of the Dimethyl Sulfate Those methyl groups are readily attacked by nucleophiles because of the great induction effect caused by the neighbor atoms which are much more electronegative than the carbon atom, which makes those more positively charged
  • What type of intermolecular forces will dominate Diethyl ether?
    Is Diethyl ether (also known as ethyl ether) a polar molecule? What type of intermolecular forces dominate it? Dipole-Dipole Interactions, London Dispersion Forces or Hydrogen Bonding? Please Explain
  • Methyl Iodide synthesis - Chemistry Stack Exchange
    The dimethyl sulfate is a very nasty toxic reagent (carcinogenic) I tend at the end of the reaction to allow it to cool I then add some diethylamine to the still pot and then distill the diethylamine through the glassware (by this time the methyl iodide has been placed inside a glass vial over copper wire)
  • physical chemistry - How does dimethylsulfoxide serve as a . . .
    Beyond that one observes membrane disintegration (Modulating the Structure and Properties of Cell Membranes: The Molecular Mechanism of Action of Dimethyl Sulfoxide, A Gurtovenko and J Anwar, 2007) Toxicity within the cell: Same as for crystals, DMSO also shields the soluble molecules from their natural H2O-environment, and inhibits their
  • How does dimethyl sulfoxide transport other molecules through skin?
    Wikipedia says: Use of DMSO in medicine dates from around 1963, when an Oregon Health Science University Medical School team, headed by Stanley Jacob, discovered it could penetrate the skin and other membranes without damaging them and could carry other compounds into a biological system
  • organic chemistry - What are the products of the reaction between . . .
    2d $\ce{CH3+}$ reacts with methylamine to form dimethyl amine Methanol formed above can react with $\ce{CH3+}$ to form dimethyl ether Methanol can also react with nitrous acid to form methyl nitrite The above book is relying upon Austin, A T ,
  • organic chemistry - Whats the mechanism of the reaction of (E)-methyl . . .
    In the organic chemistry textbook by Clayden et al they mention that the reaction of (E)-methyl 3-(furan-2-yl)acrylate in acidic methanol yields dimethyl 4-oxoheptanedioate without providing the reaction mechanism and leaving it to the reader to figure it out: I've tried for over an hour now but didn't get to this product
  • organic chemistry - Nomenclature - Common vs IUPAC Names and . . .
    No, 2,2-dimethyl-7-(1-methylethyl)bicyclo[3 2 0]heptane is not an acceptable name Like the rule you quoted says, start numbering at a bridgehead carbon and first pass through the largest ring (in this case the 5-membered ring) and number that ring so that a substituent will have the lowest number





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