GLOSSARY ENTRY (DERIVED FROM QUESTION BELOW) | ||||||
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02:50 Mar 4, 2007 |
English to Chinese translations [PRO] Art/Literary - Architecture | |||||||
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| Selected response from: Jason Ma China Local time: 17:52 | ||||||
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Summary of answers provided | ||||
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1 | (甲醇)methyl alcohol;(甲基化酒精)methylated spirit |
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Discussion entries: 1 | |
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methryl (甲醇)methyl alcohol;(甲基化酒精)methylated spirit Explanation: Seaguest, if the word is spelled as 'methyl', the above translation may help you. For difficult new wordsI recommend an on-line dictionary (English-English): http://encyclopedia.thefreedictionary.com John, you are right, if it's methyl, I found the following message: In chemistry, a methyl group is a hydrophobic alkyl functional group derived from methane (CH4). It has the formula -CH3 and is very often abbreviated -Me. This hydrocarbon unit can be found in many organic compounds, such as biodiesel, which is a mixture of fatty acid methyl esters. When a methyl group is substituted as the R group in an amino acid, it forms alanine. See methanol history for its etymology. The introduction of methyl groups as new substituents in a compound usually increases the lipophilicity of the compound and reduces its water solubility. It should improve the ease of absorption of the analogue into a biological membrane but will make its release from biological membranes into the aqueous media more difficult. The incorporation of a methyl group can have one of three general effects on the rate of metabolism of an analogue: (i) an increased rate of metabolism due to oxidation of the methyl group; (ii) an increase in the rate of metabolism due to demethylation by the transfer of the methyl group to another compound; or a reduction of the analogue. Reference: http://encyclopedia.thefreedictionary.com/methyl |
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