| 词汇 | esterification |
| 释义 | esterification noun[ U ] chemistry specializeduk /eˌster.ɪ.fɪˈkeɪ.ʃən/ us /eˌster.ə.fəˈkeɪ.ʃən/ the process of changing a substance into an ester酯化 Physical & chemical processes absorbable absorptive absorptive capacity absorptivity acidification endothermic reaction excitation excite exergonic exothermic exothermic reaction fermentation impregnate reabsorb react reboil recondense redox scald vaporize esterification | American Dictionaryesterification noun[ U ] us/eˌster·ə·fɪˈkeɪ·ʃən/ chemistry the process of changing a substance into an ester Examples of esterificationesterification In cotyledons, methyl esterification ranged from 25 to 40 mole% and was 31 mole% after desiccation. This suggests that esterification reactions were likely to commonly occur in the prebiotic environment as available reactants underwent cycles of wetting and drying on early landmasses at elevated temperatures. Site specific changes in pectin esterification may facilitate cell wall folding during desiccation. We know today that biofuels can be produced without esterification, but engines have to be designed so that people can drive using both fuels. From Europarl Parallel Corpus - English Caftaric acid is formed when caffeic acid and tartaric acid undergo esterification. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Further esterification into all- trans retinyl esters allow for storage of all-trans-retinol within the pigment epithelial cells to be reused when needed. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Non-conjugated pentacene-based polymers have been synthesized via esterification of a pentacene diol monomer with bis-acid chlorides to from polymers 4ab. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Conventionally and still of commercial value is the direct esterification of terephthalic acid. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. It is a mixture of compounds derived from the esterification of phthalic acid and isomeric decyl alcohols. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Glycerolysis is a special case of esterification or transesterification. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. When trifluoroacetyl chloride also reacts with ketene and esterification yields occur, the resulting reaction forms trifluoroacetoacetate esters. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Some are manufactured by esterification or soaping of organic compounds. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. This also made it obvious that additional modifications on the synthesized testosterone could be made, i.e., esterification and alkylation. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Esterification can also be done using waste to energy technologies, and the result of this process is biodiesel. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Caesium salts sometimes replace potassium or sodium salts in organic synthesis, such as cyclization, esterification, and polymerization. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. These examples are from corpora and from sources on the web. Any opinions in the examples do not represent the opinion of the Cambridge Dictionary editors or of Cambridge University Press or its licensors. |
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