esterification 中文意思是什麼
esterification
解釋
酯化反應-
The operation principle and device to produce acetin and hydroxyethyl acetate for foundry firming agent were analyzed in the paper, and the choice of esterification catalyst and dehydrated agent in the esterifying process also were analyzed theoretically, and finally, the better producing operation device, catalyst and dehydrated agent were obtained
摘要分析了鑄造用有機酯固化劑酯酸甘油酯和乙二醇醋酸酯合成工藝原理及裝置，同時對有機酯合成工藝條件中脫水劑和催化劑的選擇的理論依據進行了分析，得出鑄造用有機酯固化劑的最佳合成工藝裝置和脫水劑、催化劑。 -
The results showed that the reaction condition became milder over expansible graphite, but the esterification efficiency was lower than 40 %
結果表明，在可膨脹石墨的催化下，酯化條件明顯緩和，但酯化產率較低，不到40 % 。 -
The catalytic mechanism of expansible graphite in esterification and the causes behind the lower esterification were discussed
推斷了可膨脹石墨在乙酸乙酯合成中的催化作用機理，分析了可膨脹石墨催化乙酸乙酯合成產率偏低的原因。 -
The rate of hydrolysis is for the most part significantly lower than the esterification rate.
多數情況下水解速度較酯化速度低得多。 -
Both the free hydroxyl groups readily undergo esterification.
兩個自由羥基，都容易酯化。 -
The technical difficulties in low - alcohol liquor production mainly cover the following aspects : the bleeding of ethyl palmitate, ethyl oleate and ethyl linoleate etc. after alcohol - degrading might produce the lost of gloss, turbidity and precipitate ; the suspended substances produced in distillation and packing, the production water, and the metal ions contained in production containers are the main reasons for the precipitate in liquor ; besides, the hydrolization reaction and esterification reaction of liquor body during shelf period would also produce the lost of gloss, turbidity and precipitate
低度白酒生產過程的技術難點主要是白酒降度產生失光、渾濁、沉澱，其主要原因是由於降度后棕櫚酸乙酯、油酸乙酯和亞油酸乙酯等析出；蒸餾、包裝等過程帶入的懸浮物，生產用水、生產容器所含金屬離子等為低度白酒產生沉澱的主要原因；還有低度白酒酒體在貨架期的水解、酯化反應也會引起低度白酒產生失光、渾濁和沉澱。 -
Abstract : the esterification of phthalic acid and ethylene glycol under microwave field was studied. the results showed that it could get high yield of product and need less fime to complete the reaction
文摘:觀測了鄰苯二甲酸及乙二醇在微波輻照下的升溫曲線，並研究了鄰苯二甲酸和乙二醇在微波輻照下的酯化反應，結果表明，微波輻照下的酯化反應行為優于常規條件（電爐加熱）下的酯化反應行為。 -
Phytosterol and phytostanol have been converted to the corresponding fatty acid esters via lipase - catalysed esterification with fatty acid or transesterification with mythyl esters of fatty acid or triacylglycerols
摘要植物甾醇和植物甾烷醇在脂肪酶催化作用下同脂肪酸酯化或同脂肪酸甲酯或三酰甘油酯交換可形成植物甾醇酯和植物甾烷醇酯。 -
The optimal enzyme resource, porcine pancreatic lipase ( ppl ), was confirmed by proper test in the resolution of racemic glycidol via esterification with a fatty acid in organic media
摘要用正交實驗方法篩選出有機相中酶促拆分環氧丙醇反應的最適酶源為豬胰脂肪酶（ ppl ） 。 -
The barnidipine hydrochloride were prepared via cyclocondensation from m - nitrobenzaldehyde, methyl acetoacetate and anmmonium bicarbonate, hydrolysis, esterification with opticaliy ( s ) - n - benzyl - 3 - py - rrolidinol, recrystallisation and salification
摘要研究了以碳酸氫銨，間硝基苯甲醛和乙酰乙酸甲酯為原料，經縮合、部分水解，再與（ s ） - n -芐基3 -羥基吡咯烷經酯化、分步重結晶、成鹽得到鹽酸巴尼地平的工藝路線。 -
The amidation and esterification of different cyclic anhydrides with aniline and phenol gave different major products, and the routes were optimized
摘要研究了環酐與苯胺和苯酚的酰胺化及酯化反應，優化了酰胺化及酯化反應條件。 -
Abstract : a novel enzymatic reaction ? ammonolysis was introduced in thenineties. this reaction not only provides a synthetically useful and mild alternative method for the synthesis of amides, but also can be used for the kinetic resolution of chiral alcohols or chiral carboxylic acids. in addition to enantioselective hydrolysis, esterification and transesterification, ammonolysis also shows high enantioselectivity in the resolution of racemates
文摘:酶促氨解反應是20世紀90年代中期發現的一種新型反應，在脂肪酸酰胺的合成、手性藥物（手性酸及手性醇等）的拆分中顯示出巨大的應用潛力，是除立體選擇性水解、酯化、轉酯反應之外的另一具有較大開發應用前景的酶促新型反應。 -
Abstract : using sulfamie acid as catalyst, synthesis of benzyl acetate and phenylethyl acetate through esterification were studied. the yields are good with high purity
文摘:研究了氨基磺酸催化酯化合成乙酸芐酯和乙酸苯乙酯。此工藝反應時間短、能耗低、產品純度高、產率良好、無三廢污染，優于文獻方法。 -
The subsidiary company, yongan fuhuaxian articles supply factory, can produce 191 serial unsaturated polyester resin which is a clear and heavy - bodied liquid. it is made by the method of the solvation of linear unsaturated polyester resin, which is condensated and polymerized after the esterification of biatomic acid and diatomic alcohol, into phenylethylene solvent, which is a crosslinking active monomer
所屬子公司永安市福化纖用品廠生產的191系列不飽和聚脂樹脂，系由二元酸酐和二元醇及其縮合物經酯化反應，縮聚成線性不飽和聚酯樹脂，然後經具有交聯作用的活性單體溶劑苯乙烯所溶解而配製成的透明粘稠液體。 -
Beginning with fluorobenzaldehyde, cyfluthrin was synthesized by bromination, acetalation, etherification, hydrolysis, and esterification, with a total yield of 45 %
以對氟苯甲醛為起始原料，經過溴化、縮醛化、醚化、水解、酯化合成氟氯氰菊酯，總收率45 % 。 -
This paper investigates the types of acrylic modified solvent ( methyl and dimethyl benzene ), the usage of acrylic acid, the usage of initiator, esterification time, and preliminarily tests the dehydration rate of modified demulsifier
摘要對丙烯酸改性溶劑的種類（甲苯和二甲苯） 、丙烯酸的用量、引發劑的用量以及酯化時間進行考察，並針對改性后的破乳劑的脫水速度和脫水率進行了初步的檢測。 -
The effect of the catalysts, e. g., concd. sulfuric acid, p - toluenesulfonic acid, dodecylbenzenesul - fonic acid on the esterification of starch was studied with cassava starch as the raw material, acetic anhydride as the esterifying agent and acetic acid as the dispersion medium
摘要以木薯澱粉為原料，用醋酸酐為酯化劑，以乙酸為分散遞質，探索了以濃硫酸、對甲基苯磺酸、十二烷基苯磺酸為催化劑對澱粉醋酯化反應的影響。 -
Soluble in water and many organic solvent, owning good lubricity and thermal stability, almost having no toxicity and excitability, being able to occur esterification reaction and etherification reaction with other compounds
能溶於水和多種有機溶劑，有優越的潤滑性及熱穩定性，幾乎沒有毒性和刺激性，可與其他化合物起酯化、醚化反應。 -
The di - ester of fatty acid can be syn thesized by the esterification of fatty acid and glycol. the synthesized di - ester can be used as leather fatliquoring agent
脂肪酸與乙二醇發生酯化反應生成的脂肪酸乙二醇酯，是一種合成脂肪酸酯，可用作皮革加脂劑，作者就此進行了研究。 -
Abstract : the di - ester of fatty acid can be syn thesized by the esterification of fatty acid and glycol. the synthesized di - ester can be used as leather fatliquoring agent
文摘:脂肪酸與乙二醇發生酯化反應生成的脂肪酸乙二醇酯，是一種合成脂肪酸酯，可用作皮革加脂劑，作者就此進行了研究。
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