Furoic acid esters are important aroma substances.
糠酸酯是一类重要的香味物质。
Carboxylic acid esters are important chemical raw materials.
羧酸酯是重要的化工原料。
Lactylated fatty acid esters of glycerol and propylene glycol;
乳酸脂肪酸丙二醇甘油混合酯；
Sulfuric acid is main catalyst for the synthesis of carboxylic acid esters.
羧酸酯的合成主要用硫酸作催化剂，但这种催化剂有许多缺点。
Natural lutein esters is a kind of important carotenoids fatty acid esters.
天然叶黄素酯是一种重要的类胡萝卜素脂肪酸酯。
A novel route for synthesis of L-ascorbyl fatty acid esters (AFAE) was investigated.
研究了一种L -抗坏血酸脂肪酸酯(AFAE)合成新途径。
Recent researches on synthesis and application of citric acid esters were introduced.
介绍了近年来柠檬酸酯类化合物的合成方法及主要用途。
The main components were saturated fatty acid esters (33.834%) and hydrocarbon (22.031%).
化合物的类型主要为饱和脂肪酸酯(33.834%)和烃类化合物(22.031%)。
A series of imine esters were synthesised by the addition of amino acid esters to aldehydes.
本论文使用不同类型芳香醛与氨基酸酯的加成反应合成了一系列氨基酸酯亚胺类化合物。
Microcrystalline cellulose, sucrose fatty acid esters, dicalcium phosphate, silicon dioxide, methylcellulose.
微晶纤维素，蔗糖脂肪酸酯，磷酸氢钙，二氧化硅，甲基纤维素。
Fatty acid esters of starch were new and non-ionic surfactants, which could be synthesized by esterifying with moderate catalyst.
前言：脂肪酸淀粉酯是一种新型的非离子型表面活性剂，具有广泛的应用价值。
The synthesis route and technology of sucrose fatty acid esters are improving with the raising requirements of the people for products.
蔗糖脂肪酸酯的合成路线及工艺随着人们对产品要求的提高不断改进。
The in vitro antitumor activity tests for 5-fluorouracil-1-yl-aceto amino acid esters were carried out by comparison of 5-FU and FT-207.
对 合成的化合物进行体外抗肿瘤活性测试，并与阳性药5-FU和前药FT-207进行对照。
The properties and applications of sucrose fatty acid esters have been presented in the article. Its synthetic methods and features have also been summarized.
介绍了蔗糖脂肪酸酯的性质及其应用，概述了它的各种合成方法及各自的特点。
The inhibiting property for BaSO 4 scaling of phosphoric acid esters of rice bran extract (p RBE) alone and compounded with other scale inhibitors is studied.
测定了磷酸盐化米糠提取液及其与其它阻垢剂的复配物对硫酸钡垢的抑制效果。
The characteristics, synthesis and USES of fatty acid esters of monohydric and polyhydric alcohols, and their new developing tendency for "green surfactants" are described.
论述了脂肪酸一元醇酯，多元醇酯的特性、合成及用途，并介绍了由脂肪酸酯开发“绿色”表面活性剂的最新技术动向。
The organic boric acid esters were assorted based by their active element containing and main functional groups. The researches of every types were discussed comprehensively.
按照分子中所含活性元素及主要功能团的不同对硼酸酯进行了分类，对其研究进展和应用现状进行了调研。
The properties and applications of sucrose fatty acid esters have been presented in the article. Its analysis methods and features of these methods have also been summarized.
介绍了蔗糖脂肪酸的性质及其应用，概述了它的主要分析方法及各自的特点。
However, it has many disadvantages, so the development of new types of catalysts with high efficiency is an important subject in the field of synthesis of carboxylic acid esters.
因此，开发新型高效催化剂是羧酸脂合成领域的一个重要课题。
For the surfactants, non-ionic surfactants are most suitable, and fatty acid esters such as glycerine fatty acid esters, sorbitan fatty acid esters and sucrose fatty acid esters may be used.
对于所述表面活性剂，最适合的是非离子表面活性剂，并且可以使用脂肪酸酯，例如甘油脂肪酸酯、脱水山梨糖醇脂肪酸酯和蔗糖脂肪酸酯。
It was also observed that fatty acid esters, synthesized by enzymes such as lipase, often have better odour and flavour characteristics compared to similar esters produced by conventional means.
与以传统方法制得的类似的酯相比，由象脂肪酶这样的酶催化合成的酯的气味要好得多。
Not recommended for use in chemical acid, nitro hydrocarbons, esters, ketones and compounds in chloroform.
不建议使用于强酸、硝基烃、酯类、氯仿及酮类的化学物之中。
Stabilities of lutein and its esters against light, heat, acid, alkali, metal ions, oxidant and reductant were studied.
研究光、热、酸、碱、金属离子、氧化剂和还原剂对叶黄素酯和叶黄素稳定性的影响。
Sulfuric acid was used as a catalyst to prepare acetic esters with more by-product, low yield, equipment corrosion and acid wastewater.
由于硫酸作催化剂合成羧酸酯副产物多、产率低、且腐蚀设备、造成环境污染。
The fatty acid methyl esters was prepared from Acer Truncatum buge oil, and the main influence factors of separating nervonic acid methyl ester by urea-inclusion method were analysed.
将元宝枫油制成混合脂肪酸甲酯，再应用尿素包合法对其中的神经酸甲酯分离的主要影响因素进行了正交试验研究。
The fatty acid methyl esters was prepared from Acer Truncatum buge oil, and the main influence factors of separating nervonic acid methyl ester by urea-inclusion method were analysed.
将元宝枫油制成混合脂肪酸甲酯，再应用尿素包合法对其中的神经酸甲酯分离的主要影响因素进行了正交试验研究。
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