A method for analysis of thiophene-2,5-dicarboxylic acid by ion pair reversed-phase HPLC was described.
建立了测定噻吩-2，5-二羧酸的离子对反相高效液相色谱法（HPLC）。
Adipic acid is the most important dicarboxylic acid, and it is a valuable raw material used in the chemical industry.
己二酸是工业上最重要的脂肪族二元羧酸，是重要的有机化工原料。
This paper reports the synthesis of a series of poly (silyl ester)s by diacetoxylsilane with several dicarboxylic acid.
本文主要是以二乙酰氧基硅烷与二元羧酸进行缩聚反应，合成了一系列聚硅基酯。
A process flow and parameters of plasticizer manufacture from recovered TA and mixed benzene dicarboxylic acids are provided.
提供了用所回收的TA和混合苯二甲酸生产增塑剂的工艺流程和工艺参数。
The current topical areas focus on the rigid aromatic multicarboxylate ligands, such as benzene dicarboxylic acid and benzene tricarboxylic acid.
目前，这方面的研究主要集中在如苯二甲酸，均苯三甲酸等刚性芳香多羧酸配体。
At present, apparatuses for the production of dicarboxylic acids and its derivates have been setup and put into operation on an industrial scale.
目前，规模化工业生产十二碳二元酸及其衍生产品的装置已经建成投产。
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。
The dioctyl glutaricate was prepared by esterification of octyl alcohol and glutaric acid separated from dicarboxylic acid in catalysis of sulfuric acid.
以辛醇和从二羧酸中分离出的戊二酸为原料，硫酸为催化剂，酯化合成了戊二酸二辛酯。
The binary and ternary solid complexes of rare earth Eu3+ and La3+ with pyridine-2 , 6-dicarboxylic acid(H2DPC) and 1, 10-phenanthroline are synthesized.
合成了稀土铕、镧与吡啶-2，6二甲酸形成的二元配合物及铕与邻菲罗啉和吡啶-2，6二甲酸形成的三元配合物。
The formulation comprises a glyphosate or a salt, ester or other derivative thereof, a dicarboxylic acid or a derivative thereof, and a pharmaceutically acceptable vehicle.
这种配方的构成包括草甘膦或者草甘膦的一种盐、酯或其他产物，一种二羧酸或者其产物，以及一种制药可接受的载体。
Np - anilino - naphthalene -1,8- dicarboxylic imide and N - allyl - naphthalene -1.8- dicarboxylic imide were synthesized, then their two modified polymers were also prepared.
本文合成了N-对氨基苯基-1，8-萘二亚酸胺和N-烯丙基-1，8-萘二亚酰胺，并合成其修饰的两种聚苯乙烯高分子材料。
Corticoid 17, 21-dicarboxylic esters and corticosteroid 17-carboxylic ester 21-carbonic esters, processes for their preparation and pharmaceuticals containing these compounds.
类皮质素-17,21 -二羧酸酯和类皮质素- 17 -羧酸酯- 21 -碳酸酯，其制备方法和含有它们的药物。
Synthetic aliphatic polyesters are synthesised from diols and dicarboxylic acids via condensation polymerisation, and are known to be completely biodegradable in soil and water.
合成脂肪族聚酯二醇的合成及二羧酸经缩合聚合，和已知的完全生物降解土壤和水。
Pyridine-2,3-dicarboxylic anhydride, a key intermediate of the herbicide imazapyr, was synthesized from pyridine-2,3-dicarboxylic acid and anhydride according to the methods in the patents.
吡啶羧酸酐是新型广谱除草剂灭草烟的重要中间体，文献所介绍的合成方法是以2，3-吡啶二羧酸与乙酸酐反应制得。
In the acidic aqueous solution of copper sulfate, pyridine-2,3-dicarboxylic acid was synthesized by oxidizing quinoline with sodium chlorate, and the yield of the product could reach 56.4%.
在含硫酸铜的酸性水溶液中，用氯酸钠作氧化剂，氧化喹啉得到2，3-吡啶二甲酸，产率为56·4%；
The reaction with dicarboxylic acid anhydrides results in an acid addition product, which alters the ratio of free basic to free acidic groups in gelatin, so as to lower the isoelectric point.
而二元酸酐酰化反应可改变氨基、羧基的比例，从而降低了明胶的等电点。
The wholly aromatic four-component copolyesters were prepared from p-acetoxy-benzoic acid, hydroquinone diacetate, 2,6-naphthalene dicarboxylic acid and isophthalic acid by melting polycondensation.
由对乙酰氧基苯甲酸、对苯二酚二乙酯、2，6-萘二甲酸及间苯二甲酸四种单体通过熔融缩聚反应，合成了全芳香族四组分共聚酯。
The wholly aromatic four-component copolyesters were prepared from p-acetoxy-benzoic acid, hydroquinone diacetate, 2,6-naphthalene dicarboxylic acid and isophthalic acid by melting polycondensation.
由对乙酰氧基苯甲酸、对苯二酚二乙酯、2，6-萘二甲酸及间苯二甲酸四种单体通过熔融缩聚反应，合成了全芳香族四组分共聚酯。
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