Nghĩa của từ esterification bằng Tiếng Việt
(sự) este hoá
Đặt câu có từ "esterification"
1. 3 The esterification mechanism of unsaturated carboxylic acid was analyzed.
2. Alcohols can be converted to esters by means of the Fischer Esterification Process
3. This indicates that the Acetylating ability is considerably higher than that of the esterification
4. Acetylated oxidised starch is starch treated with sodium hypochlorite followed by esterification with acetic anhydride
5. This article makes a new Survey on the research of esterification with solid acid catalyst.
6. The sorbitol moiety of oxyethylated sorbitol derivatives does not Anhydrize during esterification with fatty acids
7. The rate of hydrolysis is for the most part significantly lower than the esterification rate.
8. Disclosed herein are processes for alcohol production by reducing an esterification product, such as ethyl acetate.
9. More specifically, this invention relates to a plasticiser prepared by esterification reaction between glycerol and organic acids.
10. 11 The catalyst could also be used to catalyze esterification of acetic acid and hexoic acid with iso...
11. Details of the esterification, alcoholysis, reduction reactions, and the isolation of 1-ethyl 4-nitrophthalate are described.
12. 8 A method of simultaneously determination of reactant and product for esterification of L - phenylalanine was described.
13. 5 Abstract: A method of simultaneously determination of reactant and product for esterification of L - phenylalanine was described.
14. Acetins, one such important category of glycerol derivatives, is obtained by esterification reaction of glycerol with acetic group compounds
15. Commercially, Acetylated monoglycerides are produced using the inter esterification process of the edible fats with triacetin using catalytic agent
16. More particularly, the present invention relates to a plasticizer derived through the esterification of cyclic polybasic acid and alcohol.
17. More specifically, this invention relates to plasticisers prepared by esterification reaction of a diol with an organic acid.
18. The properties, aroma characteristics and application of methyl-furoate were discussed. Methyl-furoate was synthesized by Cannizzaro reaction and esterification.
19. The processes of the present invention include preparing polyesters by direct esterification polymerization, transesterification polymerization, melt acidolysis polymerization and acid halide polymerization.
20. In further detail, the present invention relates to a plasticizer derived through an esterification reaction of 1,4-butanediol and organic acid.
21. The esterification reaction of propionic acid with n-pentanol was studied by using novel aluminophosphate and silicoaluminophosphate molecular sieves as catalysts.
22. Isopropenyl acetate was synthesized from ketene and acetone by direct esterification using strong acidic cation-exchange resin to substitute H2SO4 as catalyst.
23. A new method of gas chromatographic analyses in the production of chloroacetic acid for process control using diazomethane as esterification agent is studied.
24. 16 Experiment results indicated that HZ-type solid acids were ideal catalysts for direct esterification of straight chain carboxylic acids and primary alcohols.
25. Modified alkyd resins were produced by alcoholysis of soya bean oil with pentaerythritol followed by esterification with pentaerythritol and phthalic anhydride.
26. MonoButyrin is a 1-monoglyceride resulting from the formal esterification of butyric acid with one of the primary hydroxy groups of glycerol
27. Various catalysts with different contents, including LiOH, butyl tin oxide and dibutyl tin chloride, were used for alcoholysis and/or esterification reactions.
28. Experiment results indicated that HZ-type solid acids were ideal catalysts for direct esterification of straight chain carboxylic acids and primary alcohols.
29. Nipagin esters were synthesized by the esterification of dodecyl and octadecyl alcohol with p -hydroxybenzoic acid in the presence of vitamin C.
30. Esterification conversion of epoxy group was about 56% on the whole as same as theoretical yield by FT-IR spectroscopy and calculation.
31. 18 The catalyst could also be used to catalyze esterification of alcohol, isopropyl alcohol, n-butyl alcohol and n-pentyl alcohol with hexoic acid.
32. 12 Nipagin esters was synthesized by the esterification of n - butyl and iso- butyl alcohol with p - hydroxybenzoic acid in the presence of vitamin C.
33. The final result of the esterification is a combination of mono-, di- and triButyrins which act as a source of butyrate molecules in …
34. Acetins, i.e., monoacetin, diacetin, and triacetin can be synthesized through glycerol esterification with acetic acid [3, 4] and acetic anhydride [5,6] or transesterification with methyl/ethyl
35. 13 Using glycerine and acetic acid as raw materials and in the presence of catalyst, glycerin triacetate was synthesized through esterification, dehydration and underpressrue distillation.
36. The final result of the esterification is a combination of mono-, di and triButyrins which act as a source of butyrate molecules in the intestinal tract
37. In the commercial market place, the Acetylated monoglycerides are synthesized through the inter esterification of the edible fats along with triacetin with the help of the catalytic agent.
38. In toluene solution, the esterification reaction of 6-trichlorosalicylic acid and n-pentanol took place with nano catalyst, and then the (Sentence dictionary)6-trichlorosalicylic ester was produced.
39. 24 Rhizopus chinensis whole-cell lipases of different culture time were used to catalyze synthesis of ethyl hexanoate and whole-cell lipase with high synthetic activity catalyzed esterification quickly.
40. Butyrins are esters of butyric acid. Esterification enables a high percentage of butyric acid to be delivered effectively to the gut all packaged in a user-friendly form.
41. Propane-1,2-diol ester of alginic acid; varies in composition according to its degree of esterification and the percentage of free and neutralised carboxyl groups in the molecule
42. We take a sol-gel-esterification process to get nanometric LiMn 2 O 4 powder which has good electronic and electronic and electrochemical performances with good crystality and surface characteristics.
43. Several types of model compounds were subjected to some common reactions: acetylation, saponification, oxidation, reduction, hydrogenation, bromination, nitration, esterification, etherification, mineral acid treatment, chloride formation, acetonide formation and 2,4-dinitrophenylhydrazone formation.
44. Cellulose acetate is a glucan derivative obtained through the esterification of Cellulose by acetic anhydride or acetic acid, resulting in the substitution of some of the hydroxy groups of Cellulose by acetyl groups
45. 26 The acid catalytic process is another way to produce bio-diesel, which has the advantage of fast reaction rate and high conversion ratio for the esterification of methyl group in free fatty acid.
46. This invention relates to processes for conducting equilibrium-limited reactions such as esterification and alcoholysis reactions, using a single reaction zone and an acid separation column containing a rectification zone and a stripping zone.
47. Thirteen kinds of cellulose Acylates from the acetate to stearate were prepared by trifluoro acetic anhydride–fatty acid esterification, and their dielectric constant and loss were measured over wide temperature and frequency ranges.
48. The necessity of purification of the sample prior to the trans-esterification depends on the sample's free fatty acids content and the analytical parameter to be determined, it can be chosen according to the following table:
49. This study was aimed at comprehensively analyzing the exergoeconomic and exergoenvironmental performance of a continuous reactor applied to synthesize fuel additive (Acetins) by glycerol esterification with acetic acid in the presence of Amberlyst 36 catalyst.
50. Correlation with body fat under a variety of experimental conditions confirms the rate-limiting character of acetyl-CoA-carboxylase, not only for the biosynthesis of fatty acids, but obviously also for their esterification and for triglyceride deposition.