Resin acids and rosin acids, maleated, potassium salt;
顺丁烯二酸化树脂酸和松香酸钾盐；
Resin acids and rosin acids, reaction products with formaldehyde, potassium salts;
树脂酸和松香酸与甲醛的反应产物的钾盐；
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。
Conjugated unsaturation of abietic resin acids can be removed through catalytic hydrogenation to overcome the shortcomings of oxidation and color degradation in rosin.
将松香催化加氢可去除枞酸型树脂酸的共轭不饱和性，克服其易于氧化变色的缺点。
The PHBH resin is derived from carbon sources such as sucrose, fatty acids or molasses via a fermentation process.
该PHBH树脂是来自碳来源，如蔗糖，通过发酵过程脂肪酸或糖蜜。
Syntheses of cinnamic esters catalyzed by solid acids such as sulphate and ion-exchanged resin were surveyed.
比较以硫酸盐和阳离子交换树脂分别为催化剂合成肉桂酸酯。
With sulfonated melamine and urea as monomers and acids as catalysts, the synthesis of sulfonated melamine urea formaldehyde resin is carried out.
以磺化三聚氰胺和尿素为单体，在酸催化下，合成磺化三聚氰胺尿素甲醛树脂。
Fatty acid methyl esters were prepared by esterification in a fixed bed reactor from methanol and fatty acids in palm oil deodorizer distillate (PODD) using a cation exchange resin as catalyst.
以强酸性阳离子交换树脂为催化剂，经过自制的固定床反应器，使棕榈油脱臭馏出物(PODD)中的脂肪酸与甲醇起酯化反应，合成脂肪酸甲酯。
Ion exchange equilibrium of neutral amino acids on 732 strong acid cation exchange resin in non buffer systems were studied and an equilibrium model was proposed.
研究了非缓冲体系中性氨基酸在732型强酸性阳离子交换树脂上的离子交换平衡，并提出了平衡模型。
The petroleum carboxylic acids in two distillates of North Sea crude oil were separated by the extraction with column chromatogram and anion exchange resin.
采用柱色谱和阴离子交换树脂法分离出两种北海高酸馏分油中的羧酸。
Free amino acids s content and composition in Litchi fruit stones extraction and eluate by 732 cation exchange resin were determined by ICS-2500 ion chromatograph.
为测定荔枝核中的游离氨基酸，采用ICS - 2500离子色谱分析仪，分别测定了荔枝核提取液与732阳离子交换树脂洗脱液中的氨基酸的组成和含量。
A novel ion exchanger prepared from a strong anion resin modified with histidine was used for purifying crude hyaluronic acid to achieve a successful separation from protein and nucleic acids.
以含有多个氮原子的组氨酸对强碱型阴离子树脂进行修饰，获得一种新型的离子交换剂。用该离子交换剂对透明质酸粗品进行离子交换层析，使透明质酸与蛋白质、核酸达到有效的分离。
A novel ion exchanger prepared from a strong anion resin modified with histidine was used for purifying crude hyaluronic acid to achieve a successful separation from protein and nucleic acids.
以含有多个氮原子的组氨酸对强碱型阴离子树脂进行修饰，获得一种新型的离子交换剂。用该离子交换剂对透明质酸粗品进行离子交换层析，使透明质酸与蛋白质、核酸达到有效的分离。
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