查询词典 dicarboxylic acid

Oxalic acid 2 , is the first of the series of dicarboxylic acids.

草酸 2 ，是该系列的二元酸。

The optimum condition of spectrofluorimetric determination of uranyl ion in pyridine 2,6 dicarboxylic acid β cydodextrin system is studied.

研究了吡啶 2 ，6 二羧酸β环状糊精体系荧光分光光度法测定铀酰离子的最佳条件以及某些稀土共存离子对荧光体系的干扰，并应用于人工样品的测定。

In this paper, according to principles of molecular design, Cu,Ag, Cu,Fe, Ni, Mn, and Co were selected as templates, 8,8'-Dithiodiquinoline,4-cyanopyridine,2,2'-Bipyridyl-3,3'-dicarboxylic acid, 4,4'-bipyridine as building blocks.

本课题通过分子设计，以Cu，Cu，Mn，Co，Ni，Fe，Ag为模板，以8，8'-二硫联喹啉，4-氰基吡啶，4，4'-联吡啶和2，2'-联吡啶-3，3'-二羧酸为构件，用溶剂热法合成新的配位聚合物，测定其晶体结构，并研究其导电性和热行为。

Epoxycedrane was firstly synthesized at home and abroad from α-cedrene by epoxidation of hydrogen peroxide under the catalysis of ruthenium trichloride and pyridine-2, 6-dicarboxylic acid.

以三氯化钌和2，6-二羧基吡啶为催化剂，双氧水为氧化剂，时α-柏木烯进行环氧化反应合成环氧柏木烷。本合成方法在国内外尚未见报道。

With the molar ratio of cobaltous nitrate, phenanthroline and Pyridine-3,4-dicarboxylic acid is 1∶2∶1,under the condition of pH=5,heating at 50-60℃ and stirring,the ternary complex of cobalt is synthesized in the methanol solution.

将硝酸钴、邻菲罗啉和3，4-二羧基吡啶按1∶2∶1物质的量比计量，在pH=5和50-60℃加热搅拌的条件下，在甲醇溶液中合成了钴的三元配合物，用元素分析、红外光谱、紫外光谱、热重分析和摩尔电导率对配合物进行表征，结果表明该配合物为1∶1型电解质，其组成为[CoⅢ2]NO3.H2O，其中Pydc=

Using pyridine-2, 6-dicarboxylic acid as starting material, a novel ligand N^2, N^6-bis(3-methyl-pyridine-2-yl)-pyridine-2, 6-dicarboxamide was synthesized, which contained multidentate and large conjugative system.

以吡啶－2，6-二甲酸为原料，合成含有多个共轭体系多齿配体N^2，N^6-二（3-甲基吡啶）－2-取代吡啶－2，6-二甲酰胺；同时制备它与稀土离子Tb和Eu的配合物，并培养出单晶。

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。

A white dicarboxylic acid formed from oxidation of sugar or starch.

一种白色的二羧酸，由糖或淀粉氧化形成。

At present, Shandong Cathay has become the world's largest biological production of long carbon chain dicarboxylic acid series products suppliers.

目前山东凯赛已成为全球最大的生物法生产长碳链二元酸系列产品的供应商。

A dicarboxylic acid used to make resins.

一种用于制树脂的二羧酸。

Alternatively, the con- trollers can use the synchronous rectifier itself or loss- less inductor current-sensing methods to provide overload protection with lower power dissipation.

另外，康威特罗勒斯可以使用同步整流器本身或亏损减少电感电流检测方法，以提供低功耗过载保护。

Mr. Dauber's other Schatz hangs in his home movie studio.

多伯把沙兹的另一件作品挂在家里的电影室。