In the process glyceride is transformed into fatty acid methyl ester and glycerol by - product.
在这个过程中甘油酯转化为脂肪酸甲酯，并生成副产甘油。
Process to prepare epoxy ester from tung oil and influence of tung oil to resin performance are given.
介绍了用桐油制备环氧酯的工艺，以及桐油对树脂性能的影响。
Based on the principle of ester hydrolyzation to ether in alkali condition, the process for preparation of dimethyl sulfide from sodium methyl sulfate residue was investigated.
根据酯在碱性条件下水解反应生成醚的原理，研究了以甲基硫酸钠废渣为原料制备二甲基硫醚的方法。
The test process of aqueous soluble acrylic ester varnish, including the copolymerization technology, performance and examination data of acrylic resin has been described.
介绍了水溶性丙烯酸酯清漆的试验过程，包括丙烯酸树脂共聚工艺、产品特点以及产品检测数据。
The crystallization morphology and isothermal crystallization process were studied by means of polarized microscope and DLI (Depolarized Light Intensity) for poly (ether ester) block copolymers.
采用偏光显微镜和光学解偏结晶速率仪研究了嵌段聚醚酯共聚物的结晶形态和等温结晶过程。
The degradation process of potassium amyl xanthate and ester-105 as the common reagents used in mines under different conditions is investigated.
研究矿山常用药剂戊基黄原酸钾和酯-105在不同条件下的降解过程。
Plasticizer DOTP was prepared from ethylene glycol residue (major component is PET low polymer) using single step process in which alcoholysis and ester interchange were combined.
以聚酯生产中产生的下脚料——乙二醇残渣(主要含PET低聚物)为原料，采用辛醇合并醇解、酯交换一步法工艺，合成了增塑剂DOTP。
The results indicated that the change process and the change trend of alcohol, acid, aldehyde and ester compounds were different.
发现了香气成分中部分醇类、酯类、醛类和酸类各自特殊的变化过程和变化趋势。
Pentaerythritol ester of gum rosin are made from gum rosin through esterification with pentaerythritol light color, stabilizing process etc. ; used in adhesives, rubber products.
松香季戊四醇酯为松香或浅色松香经季戊四醇酯化而成；应用于粘合剂、 橡胶行业。
The technical scheme of the present invention is characterized in the extensive source of coal based activated carbon, concise production process and high ester yield.
本发明技术方案具有煤基活性炭来源广泛、生产工艺简洁、酯收率高等特点。
Since no catalyst is used in the process, a product can be conveniently extracted and no waste water is produced; and the ester exchange process is simpler, safer and more efficient.
由于过程中无催化剂，不仅产物提纯简便，而且无废水产生，酯交换过程更加简单、安全和高效。
In the reaction process, the free fatty and resin acids react with the alcohol, with the aid of the acid catalyst, to yield the desired ester products.
在反应过程中，借助于酸催化剂，所述游离的脂肪和树脂酸与所述醇反应产生期望的酯产物。
This paper summarizes recent progresses of binders, esters and sand reclamation for the phenolic ester cured process, and put forward some ideas for its development in this country.
详细地叙述了酯硬化酚醛树脂砂采用新型酚醛树脂粘结剂、硬化剂和再生新工艺的最新进展，并对国内酯硬化酚醛树脂砂的研究与应用提出了若干建议。
Polyimide foams were prepared from poly(ester-amine salt) precursor powder through a foaming process, using aromatic dianhydride and diamine as monomers.
以芳香二酐和二胺为单体，采用聚酯铵盐前体粉末发泡的方法制备聚酰亚胺泡沫材料。
A new process has been developed to synthesize dimethoxy methyl acetoacetate with dimethoxyacetic acid methyl ester and methyl acetate in the presence of sodium methanol.
以二甲氧基乙酸甲酷和乙酸甲酷为主要原料，经甲醇钠催化制备二甲氧基乙酞乙酸甲醋。
The present invention relates to one kind of medicine composition of cefuroxime ester microcapsule and its preparation process.
本发明涉及一种微囊化头孢呋辛酯的药物组合物及其制备方法。
In this article Phenyl-acrylic acid ester is synthesized under the catalysis of cationic resin using Phenyl-acrylic acid as a raw material which is produced as a part of the whole process.
本文以自制苯基丙烯酸为原料，用阳离子树脂催化合成苯基丙烯酸酯。
The present invention relates to the stable and high purity 7-phenacetylamino-3-pyridylmethyl -3-cynnematin-4-p-methoxybenzyl carboxylic ester crystal and its preparation process.
本发明涉及一种稳定的、高纯度的7-苯乙酰氨基-3-吡啶甲基-3-头 孢菌素-4-羧酸对甲氧苄酯晶体及其制备方法。
The present invention relates to the stable and high purity 7-phenacetylamino-3-pyridylmethyl -3-cynnematin-4-p-methoxybenzyl carboxylic ester crystal and its preparation process.
本发明涉及一种稳定的、高纯度的7-苯乙酰氨基-3-吡啶甲基-3-头 孢菌素-4-羧酸对甲氧苄酯晶体及其制备方法。
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