Question

汉译英在线翻译句子

详细的问题摘要：
介绍了柠檬酸酯直接酯化法和间接酯化法的合成方法，重点评述了柠檬酸酯在增塑剂、食品添加剂、洗涤助荆、化妆品添加荆、纺织助荆等方面的应用。还重点综述了柠檬酸酯表面活性剂作为洗涤助剂、化妆品添加剂和食品添加剂等工业中的应用；讨论了柠檬酸酯合成中温度、时问、原料配比(物质的量比)、催化剂种类及用量等因素对产率的影响；特别指出了柠檬酸酯合成中生成的水去除的重要性以及产品的分离和纯化的复杂性；最后提出了柠檬酸酯的合成目前存在的问题、发展方向和应用前景等。就柠檬酸酯增塑剂中两个主要品种柠檬酸三丁酯(TBC) 和乙酰柠檬酸三丁酯(A TBC) 的特性、用途作了概述, 并探讨了工业化生产及控制。并且就柠檬酸酯增塑剂中两个主要品种柠檬酸三丁酯(TBC) 和乙酰柠檬酸三丁酯(A TBC) 的特性、用途作了概
述, 并探讨了工业化生产及控制。以及将srn 一,kl， 复台固体酸催化剂用于催化合成柠檬酸酯，对催化剂制备和酯化反应条件进行了研究 结果表明．sn0'一A 0]复台固体醚催化荆具有良好的耐水、重复使用和再生性能．催化剂最佳制备条件为：Sw'Al摩尔比1：3．焙烧温度650 qC．焙娆时间3 h：催化台成柠檬酸异辛酯的最佳条件为：催化剂用量1 2％ (以酸醇总量计)，酸醇摩尔比l：5．反应时问2 h．柠檬酸的酯化率99 4％ 。
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Answer 1

A summary of issues in detail:
Describes the direct esterification of citric acid ester and indirect esterification of synthetic methods reviewed with emphasis on citric acid ester in the plasticizers, food additives, cleaning help Jing, cosmetics add Jing, Jing, etc. to help the textile applications. Also focused on an overview of citric acid ester surfactant as a detergent, cosmetic additives and food additives such as Industry; discussed the synthesis of citric acid ester of temperature, when asked, raw material ratio (molar ratio), catalyst type and the amount of such factors as the impact on yield; in particular pointed out the citric acid ester synthesis generate the importance of water removal and product separation and purification of the complexity; concludes with a synthesis of citric acid esters of the existing problems, development the direction and application prospects. On the citric acid ester plasticizer in the two main varieties of tributyl citrate (TBC), and acetyl tributyl citrate (A TBC) characteristics, uses outlined and discussed the industrial production and control. And the citric acid ester plasticizer in the two main varieties of tributyl citrate (TBC), and acetyl tributyl citrate (A TBC) characteristics, uses were summarized
Described and discussed the industrial production and control. As well as srn 1, kl, Composite solid acid catalyst used to catalyze the synthesis of citric acid esters, for catalyst preparation and esterification reaction conditions were studied The results show that. sn0 '1 A 0] Composite Solid Ether Catalyzed by Jing has good water, reuse and recycling performance. Optimum conditions for catalyst preparation: Sw'Al molar ratio of 1:3. Calcination temperature of 650 qC. Rao baking time 3 h: catalytic Taiwan into the citric acid isooctyl optimal conditions as follows: the amount of catalyst 12% (by total volume of acid to alcohol), acid-alcohol molar ratio l: 5. Reaction Time 2 h. Citric acid esterification rate of 99 4%.
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Answer 2

Detailed questions:
Introduces citrate indirect and direct esterification of esterification synthesis methods are reviewed, focusing on citrate plasticizer, food additive, in design, the cosmetics to add grant washing thorns, and the thorns, etc. Also reviewed the citric acid ester surfactants as washing auxiliaries, cosmetic and food additive industrial application, Discuss the synthesis temperature, citrate, when the ratio of raw material (than) the amount of catalyst type and dosage, factors such as the effect of yield, Particularly pointed out in the synthesis of citrate water removal of the importance of the product and the complexity of the separation and purification, Finally proposed citrate synthesis of existing problems, the direction of development and application prospect. Just citrate plasticizer tributyl citrate (TBC) and acetyl tributyl citrate (TBC) properties and USES were reviewed, and discusses the industrialized production and control. And just citrate plasticizer tributyl citrate (TBC) and acetyl tributyl citrate (TBC) and USES of the generalized
Above, and discusses the industrialized production and control. And will SRN kl, and sets A solid acid catalyst used in catalytic synthesis of catalyst preparation, citric acid esters and esterification reaction conditions were studied. The results show that sn0 'A 0] after Taiwan solid ether catalytic subjects with good resistance to water, reuse and regenerated catalyst preparation condition. The best performance for Sw: 1) Al' mole ratio calcination temperature, curing time 650 qC Rao 3 h: citric acid catalytic Taiwan into the best condition of isooctyl catalyst for: 1 (2%), the total alcohol acid mellowly Moore j l: 5 than when asked 2 h. citrate esterification rate of 4% of 99.
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