The acetic ester of starch is organic acids derivatives.
醋酸酯淀粉是有机酸酯类衍生物。
It was expounded that measured the content of acetic ester by use of gaseous phase chromatography method.
扼要叙述利用气相色谱法测定己酸乙酯含量。
The results showed that all the water, alcohol, methanol, 50% methanol, n-hexane and acetic ester extracts have antioxidation on lard and peanut oil.
实验表明，山稔子水、无水乙醇、甲醇、50%甲醇、正己烷和乙酸乙酯的提取物对猪油和花生油均具有抗氧化作用，而且其抗氧化作用的强弱与溶剂的极性直接相关。
The results show that it is easy to separate sucrose-6-acetic ester from sucrose-4-acetic ester, using carbinol and dichloromethane as unfolding agent.
实验结果表明，采用甲醇、二氯甲烷的混合物作为展开剂可较好地分离6位及4位蔗糖乙酸酯。
Degradability of the isolates on acetic ester compounds was proved according to the increase of biomass and the decrease of substrates in liquid cultures.
该菌对醋酸酯类化合物的降解性是通过在液体培养基内菌体的增加及底物的减少来证实的。
It is reveal by GC analysis that the purity of the TMP, treated by reduced pressure distillation and recrystallization in acetic ester, approximates to that of the reagent grade TMP.
GC分析结果表明：采用减压蒸馏及乙酸乙酯重结晶并用的方法精制的TMP纯度接近于试剂级TMP。
Extraction of Gallium from high concentration HCl solution using organic phases which composes of TBP and butyl acetic ester, xylene, petroleum ether and kerosene, respectively, are investigated.
系统研究了以TBP为萃取剂，乙酸丁酯、二甲苯、石油醚、 煤油为稀释剂，从高酸度盐酸溶液中萃取镓。
In this paper, natural cotton cellulose was modified by the steam explosion, modified cellulose, acetic anhydride and fatty acids have been used to synthesize the long chain cellulose ester.
采用蒸汽闪爆技术对天然纤维素进行改性，并利用改性后的纤维素、乙酸酐和脂肪酸合成长支链纤维素酯。
Acetic acid methyl amyl ester.
乙酸甲基戊酯。
Through chromium sour oxidize propyl alcohol system ester law study in sulphuric acid acetic acid system in, proply acetate and proply propanoate form mechanism, and related influencing factor.
通过铬酸氧化丙醇制酯法，研究在硫酸-乙酸体系中，乙酸丙酯及丙酸丙酯的形成机理，及相关影响因素。
An ester of acetic acid; used in fibers and fabrics; photographic films and varnishes.
一种乙酸酯，用于纤维、织物、照相胶卷和清漆中。
Aspirin: Common name of acetylsalicylic acid, an organic compound introduced in 1899. The ester of salicylic acid and acetic acid, it inhibits production of prostaglandins in the body.
阿司匹林：乙醯水杨酸的俗称，1899年发现的一种有机化合物。系水杨酸和醋酸的酯，会抑制前列腺素的生成。
Ethylene glycol diacetate was synthesized from ethylene glycol and acetic acid with ferric chloride hydrate as catalyst. The yield of ester was 92% under the optimum condition.
利用氯化铁水合物为催化剂，从乙二醇和冰醋酸制备了二乙酸乙二醇酯，在最佳条件下其收率达92%。
The synthesis of monosaccharide ester catalyzed by lipase in organic solvents was studied, where monosaccharides and vinyl acetate or acetic anhydride serve as substrates.
研究了有机相中脂肪酶催化以单糖和乙酸乙烯酯或乙酸酐为底物的糖酯合成反应。
The influence of the molar ratio of n-amyl alcohol and acetic acid, the quantity of the catalyst, the reaction time etc on the ester yield was discussed.
探讨了醇酸物质的量比、催化剂用量、反应时间等因素对酯收率的影响。
醋酸辛酯； 乙酸辛酯；
They were acetic acid, benzaldehyde, n caproic acid, 14 methyl pentadecanoic methyl ester, glycerin, benzoic acid, 6,9 octadecadienoic methyl ester, squalane, stearic acid and oleic eicosyl ester.
它们是乙酸、苯甲醛、正葵酸、14-甲基十五烷酸甲酯、丙三醇、苯甲酸、6 ，9-十八碳二烯酸甲酯、角鲨烷、硬脂酸和二十烷基油酸酯。
The results show that they have high catalyzing-activity in the reaction of synthesizing esters such as acetic benzyl-ester, and high yield can be obtained by this new synthesis method.
试验结果发现，该类催化剂对酯化反应有很高的催化活性，可使羧酸酯获得良好的收率。
The results show that they have high catalyzing-activity in the reaction of synthesizing esters such as acetic benzyl-ester, and high yield can be obtained by this new synthesis method.
试验结果发现，该类催化剂对酯化反应有很高的催化活性，可使羧酸酯获得良好的收率。
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