本发明涉及到反油酸乙酯的应用。
The invention relates to the application of elaidic acid ethyl ester.
采用不同培养时间的根霉全细胞脂肪酶催化合成己酸乙酯。
Rhizopus chinensis whole-cell lipases of different culture time were used to catalyzesynthesis of ethyl hexanoate.
在氟化钾催化下，芳香醛与氰乙酸乙酯发生克脑文格尔缩合反应，得到高产率的缩合产物。
The knoevenagel condensation of aromatic aldehydes with ethyl cyanoacetate proceeds smoothly in the presence of potassium fluoride giving products in high yield.
不会再乙酸乙酯混合物里增长！
方法选择醋酸乙酯为萃取溶剂；
再用乙酸乙酯萃取花生蛋白。
这是借由加入己烷至乙酸乙酯中来完成。
通过红花籽油乙醇解反应制备脂肪酸乙酯。
Fatty acid ethyl esters was synthesized by ethanolysis of safflower seed oil.
在适宜的工艺条件下乳酸乙酯的酯化率达到82%。
方法：采用醋酸乙酯萃取-聚酰胺柱色谱分离荭草苷。
Method: Ethylaeetate extraction and polyamide chromatography isolation was used to isolate orientin.
乙酸乙酯是性能优良的溶剂、萃取剂和重要的化工原料。
Ethyl acetate is an excellent solvent and extractant and is an important chemical material too.
乳酸乙酯是一种食用合成香料，它还是一种非常好的溶剂。
Ethyl lactate is one kind of comestible synthetic spicery. It is also one kind of good solvent.
芦竹碱和乙酰氨基丙二酸二乙酯在碱性条件下缩合，得缩合物。
Under the alkali conditions, the gramine condension with diethyl acetamidomalonate to obtain the condensation compound.
升高温度降低压力有利于花生四烯酸乙酯和亚油酸乙酯的分离。
The separation efficiency increased with the increase of temperature and decrease of pressure.
试验结果表明，天然乳胶和聚氨基甲酸乙酯泡沫床垫燃烧得最快。
The results of the tests indicated that latex and polyurethane foam mattresses burned fastest.
这种氨基甲酸乙酯延展覆盖到法兰表面，起到阀门法兰衬垫的作用。
The urethane liner extends over the flange face to serve as the valve's flange gasket.
本发明涉及有机物的合成，具体的说是一种制备丙酮酸乙酯的方法。
The invention relates to synthesis of an organic matter, in particular to a method for preparing ethyl pyruvate.
以己二酸二乙酯为原料，经狄克曼反应合成2-羰环戊基甲酸乙酯。
Synthesis of 2-(ethoxycarbonyl) cyclopentanone by Dieckmann reaction with diethyl adipate as raw material was studied.
一件式衬垫的结实耐用的氨基甲酸乙酯阀座部分也覆盖了阀门内部表面。
The robust urethane seat portion of the one-piece liner covers the interior of the valve.
结果对硝基苯甲酸乙酯收率达98%，硫酸氢钠绝大部分以固体形式存在。
Results: the yield was over 98%, and most of the sodium bisulfate was in the solid form.
由于酒精氧化而形成于葡萄酒中的物质的总括（主要是醋酸和乙酸乙酯）。
Volatile acidity (VA) General term for the substances in wine that are formed by the oxidation of alcohol (mainly acetic acid and ethyl acetate).
结果表明：单一和混合胶束对正脂肪酸乙酯的皂化反应有较强的禁阻作用。
The results indicate that the single and mixed micelles exhibit strong inhibition on the saponification of esters.
这些香料都是以草酸二乙酯与相应的醇为原料，通过酯交换反应来合成的。
This flavour is synthesized by the ester interchange using diethyl oxalate and relative alcohol as materials.
简述了丙二酸二乙酯的生产和合成技术，详细介绍了它在有机合成中的广泛用途。
Sketch diethyl malonate production and synthetic technology of ester, introduce it's extensive use in the organic synthesis in detail.
汽油，柴油，液化石油气，软麻油，甲酸，甲醛，乌洛托品，甲酸乙酯及化学试剂等。
Gasoline, diesel oil, LPG, oil of softening jute, formaldehyde, hexamine, ethyl formate and other chemical reagents.
汽油，柴油，液化石油气，软麻油，甲酸，甲醛，乌洛托品，甲酸乙酯及化学试剂等。
Gasoline diesel oil LPG oil of softening jute formaldehyde hexamine ethyl formate and other chemical reagents.
其制备方法是以氯化铵为催化剂，原甲酸三乙酯为解水剂，由无水乙醇和环己酮缩合合成。
Cyclohexanone diethyl acetal was prepared from cyclohexanone with anhydrous ethanol as reactant, ammonium chloride as catalyst, triethyl orthoformate as water scavenger.
结果表明，丙酮和乙酸乙酯的组合萃取可以将原料中大豆黄苷的含量提高2 .5倍以上。
The result shows that, on over 2.5 times content of Daidzin in materials can be arrived with the hybrid extraction of acetone and ethyl acetate.
结果表明，丙酮和乙酸乙酯的组合萃取可以将原料中大豆黄苷的含量提高2 .5倍以上。
The result shows that, on over 2.5 times content of Daidzin in materials can be arrived with the hybrid extraction of acetone and ethyl acetate.
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