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- hexadeeene dicarboxylic acid 十六碳烯二羧酸
- The condensation was carried out with an excess of glycol or of dicarboxylic acid. 聚缩反应是在二元醇或是在元羧酸过量下进行的。
- Succinic acid (butanedioic acid) A dicarboxylic acid formed by fermentation of sugars. 琥珀酸：为糖酵解过程中产生的二羧基酸。
- Fumaric acid (trans-butenedioic acid) An unsaturated dicarboxylic acid, which occurs in many plants. 延胡索酸（反丁烯二酸）：一种不饱和二羧酸，存在于许多植物体中。
- The metabolic characters of production phase in the fermentation of unde-cane dicarboxylic acid were analyzed. 分析了十三碳二元酸发酵过程中产酸期的代谢特点,对产酸期四相体系发酵动力学进行了研究。
- To study on processing technology of recover Tridecane Dicarboxylic Acid from mother liquor by extraction. 采用溶媒萃取方法,对十三碳二元酸滤液进行回收工艺研究。
- Monomolecular layers of pyrene as a sensor to dicarboxylic acids. 高莉宁; 房喻; 温向鹏; 李远刚; 胡道道.
- In this fashion the four entering carbons of two acetyl-CoA molecules are conserved to form one 4-carbon dicarboxylic acid. 用这种方式,由两个乙酰辅酶A引进的四个碳,转变成一个四碳二羧酸。
- Homocubane -2,4 - dicarboxylic acid (1) was converted into 2, 4 - dichlorohomocubane (3) by Barton chlorodecarboxylation. 高立方烷-2,4-二羧酸(1)通过Barton脱羧氯化反应,可合成出2,4-二氯高立方烷(3);
- The COD of the tridecane dicarboxylic acid wastewater is high about ten thousands, and there is high concentration sodium sulfate in the wastewater. 十三碳二元酸生产中有机废水的COD值高达上万,且含有高浓度硫酸钠。
- It was pointed out that the key factor that restrict the development of PEN was the production of its intermediate 2,6-naphthalene dicarboxylic acid(2,6-NDA). 指出制约PEN发展的关键因素是其中间体2,6-萘二甲酸的生产。
- The diisoamyl glutarate in catalysis of silicotungsticacid was preparated by esterification of isoamyl alcohol and glutaric anhydride seperated from dicarboxylic acid. 用硅钨杂多酸为催化剂,以从二羧酸中分离出的戊二酸酐和异戊醇为原料合成了戊二酸二异戊酯。
- A colorless crystalline dicarboxylic acid, C4H6O4, occurring naturally in amber and important in the Krebs cycle. It is also synthesized for use in pharmaceuticals and perfumes. 琥珀酸：一种无色的结晶三羧酸，C4H6O4，天然地存在于琥珀中，在克雷布斯循环中很重要。可通过人工合成用于药物和香水中
- Diethyl glutarate was synthesized using glutaric anhydride and ethanol, which were separated from dicarboxylic acid, as raw material, heteropoly acid as catalyst. 以从二羧酸中分离出的戊二酸酐和乙醇为原料，用杂多酸为催化剂，合成了戊二酸二乙酯。
- Microbe concentration is the key index for judging the turning time from microbe growth to fermentation in the production of long chain dicarboxylic acid. 在长链二元酸发酵生产中,由菌体生长期转入发酵产酸期(转发酵)的主要判断指标是菌体浓度。
- The synthesis of tridecane dicarboxylic acid diethyl ester with ethyl alcohol and tridecane dicarboxylic acid as reactants and cation exchange resin as catalyst had been studied. 以强酸性阳离子交换树脂为催化剂,十三碳二元酸与乙醇为原料合成十三碳二元酸二乙酯,考察了影响反应的因素。
- Dicarboxylic acid mixture is a by product in process producing adipic acid from cyclohexane oxidizing, and contains succinic acid, adipic acid and glutarate acid and so on. 混合二元酸是环己烷氧化制己二酸生产过程中的副产品,其中含有丁二酸、戊二酸、己二酸等组分,其组成复杂,尽管价格便宜,但分离成本高,不经过分离进行综合利用受到很大的限制。
- It was pointed out that the key factor that restrict the development of PEN was the production of its intermediate 2,6-naphthalene dicarboxylic acid(... 指出制约PEN发展的关键因素是其中间体2,6-萘二甲酸的生产。并介绍了2,6-萘二甲酸的制备方法。
- The effect and major factors influencing on the decolorizing fermentation liquor containing long chain dicarboxylic acid by activated carbon are investigated. 考察了活性炭对长链二元酸发酵液的脱色效果及脱色过程中的主要影响因素。
- The percentage contribution of dicarboxylic acids in both PM2.5 and PM10 was 0.8-1.0 % by mass. PM2.;5或PM10中之二元有机酸总量平均约佔大气微粒质量浓度0
