采用直接酯化法，将山梨酸与四种醇反应，合成了山梨酸甲酯、乙酯、丙酯、丁酯。
Methyl, ethyl, propyl and butyl sorbates were synthesized by esterification of sorbic acid with four kinds of alcohol respectively.
利用正交设计法研究由丙烯酸和十六醇为原料，对甲苯磺酸为催化剂，采用微波加热法合成丙烯酸十六酯。
The orthogonal design was utilized to study the hexadecyl acrylate synthesis by microwave irradiation using acrylic acid and hexadecyl alcohol as raw materials and toluene-p-sulfonic acid as catalyst.
合成了不饱和聚酯多元醇，进而采用化学共混法合成了室温固化的聚氨酯聚苯乙烯共混物。
The room temperature curing polyurethane-polystyrene blends were synthesized with a synthesized unsaturated polyester-polyol by chemical blending method.
本文就氧杂蒽醇的制备方法进行了多方面的探讨，选出了较好的合成路线即锌粉加氢氧化钠还原法。
Much research work is done on the synthesis method of xanthgdrol, from which the better synthesis method is zinc powder in addition to sodium hydroxide.
采用一步法合成以4 ，4 '-甲烷二环已基二异氰酸酯（HMDI）、扩链剂1，4 -丁二醇（BDO）为硬段，聚四氢呋喃醚（PTMG）为软段的脂肪族聚氨酯。
The one step method was adopted in this study to synthesize aliphatic polyurethane with 4,4 methylene dicyclohexyl diisocyanate(HMDI), 1,4 butanediol(BDO) and poly (tetrahydrofuran)(PTMG).
以葡萄糖、月桂醇为原料，采用均匀设计法，在常压条件下，直接苷化合成了十二烷基糖苷。
At normal pressure, dodecyl glucoside was prepared directly by reacting dodecanol with glucose using experimental method of uniform design.
取以杂多酸为催化剂，一步法合成聚四亚甲基醚醇(PTMG)，对影响聚四亚甲基醚醇单程收率的各因素进行了讨论。
Polyoxytertramethylene (PTMG) is synthetized in one step using heteropoly acid as catalyst. We discussed the factors which influenced the yield of PTMG.
本文还用两阶段培养法研究了三种培养基对愈伤组织合成紫杉醇的影响。
The culture of two phases was used in this paper to study the effect of the three different media on callus multiplication and taxol biosynthesis.
阐述了乙二醇的几个主要合成方法，着重介绍了合成乙二醇的新技术方法：碳酸亚乙酯法。
The main synthetic methods of ethylene glycol was described. The ethylene glycol was synthesized by ethylene carbonate that is a new method which was importantly introduced.
介绍单组份聚氨酯弹性填缝剂的一步法合成中高分子量聚醚多元醇的应用及其对填缝剂性能的影响。
The effects of the use of high molecular weight Polyether polyol on the mechanical properties of PU sealant have been studied in one step synthesis of one component PU elastic sealant.
详细介绍了氮氧自由基催化氧化法和贵金属催化氧化法合成脂肪醇醚羧酸盐。
The novel methods for synthesis of ethoxylated fatty alcohol carboxylate (AEC) by catalytic oxidation with a stable free radical nitroxide or a noble metal catalyst were reviewed.
本文采用酰化法和DCC法合成了一系列叔醇酯。
A series of esters of tertiary alcohols have been effectively synthesized by acylation and the DCC methods.
对甲苯磺酸为催化剂，用梯度升温法，酸、醇直接酯化合成没食子酸正（异）丁酯。
Then (iso) butyl gallate was prepared by esterification of alcohol and gallic acid in catalysis ofp methyl benzene sulfonic acid and the reaction temperature was risen in a gradient style.
高温氮气脱水法是在氮气保护下，高温合成聚酯多元醇。
The high temperature nitrogen dehydration method is to synthesize the certain molecular weight polyester polyol under the protection of nitrogen at high temperature.
本文在实验室条件下分别以JSH-01、JSH-02树脂为催化剂摸索出醇烯法合成异丙醚的适宜反应条件。
Through experiments, the optimal conditions of reaction using JSH-01 and JSH-02 resin catalysts were gained, respectively.
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。
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.
该法不用乙烯(乙炔)和醋酸，而只用聚乙烯醇生产过程中的副产物醋酸甲酯与合成气反应，便可生成醋酸乙烯。
Eliminating the need of ethylene or acetylene and external acetic acid, VAC can be produced from synthesis gas and methyl acetate which is the by-product of PVA.
该法不用乙烯(乙炔)和醋酸，而只用聚乙烯醇生产过程中的副产物醋酸甲酯与合成气反应，便可生成醋酸乙烯。
Eliminating the need of ethylene or acetylene and external acetic acid, VAC can be produced from synthesis gas and methyl acetate which is the by-product of PVA.
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