本文利用了戊二酸二乙酯在一定反应条件下合成戊二酰二肼。
In this paper, two dihydrazides were synthesized with hydrazine and diethy1 ester.
对催化剂的制备条件和戊二酸二异辛酯的合成条件进行了研究。
The preparation conditions of the complex catalysts and esterification conditions were studied.
异柠檬酸脱氢酶催化异柠檬酸氧化脱羧生成2-氧戊二酸盐。
Isocitrate dehydrogenases catalyze the oxidative decarboxylation of isocitrate to 2-oxoglutarate.
通过实验测量同温度下饱和戊二酸酯的密度、粘度、折光率、闪点。
The density, viscosity, refractive index and flash point of glutarate were measured at the same temperature.
一种用于1,5 -戊二酸二甲酯加氢制取1,5 -戊二醇的催化剂及方法。
Catalyst and method for preparing 1, 5 pentanediol by hydrogenation of 1, 5 dimethyl glutarate.
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 dioctyl glutaricate was prepared by esterification of octyl alcohol and glutaric acid separated from dicarboxylic acid in catalysis of sulfuric acid.
通过活性碳纤维(ACF)处理柱来分离混合二元酸(DBA)中有色物质,然后重结晶提纯分离戊二酸。
Activated carbon fiber(ACF) was used to purified glutaric acid from the mixture of binary acids(DBA), and by recrystallization the end production glutaric acid was purified.
他汀类药物能阻断羟甲基戊二酸单酰辅酶A还原酶,该酶与多种脂肪的产生有关,阻断该酶可以降低胆固醇水平。
Smoke breakStatins block an enzyme called HMG-CoA reductase, which is involved in the production of various fatty molecules. Blocking this enzyme lowers cholesterol levels.
所述羧酸原料含有总量小于或等于5质量%的戊二酸、己二酸、庚二酸、辛二酸、癸二酸和1,9-亚壬基二羧酸。
Preferably, the carboxylic acid raw material contains glutaric acid, adipic acid, pimelic acid, suberic acid, sebacic acid and 1,9-nanomethylenedicarboxylic acid in a total amount of 5 mass% or less.
本发明的试剂盒主要成分包 括:缓冲液、还原型辅酶、草酰乙酸、酮戊二酸、磷酸烯醇式丙酮酸羧化酶、 异柠檬酸脱氢酶及稳定剂;
The kit comprises the following main components: buffer solution, reduced coenzyme, oxaloacetic acid, ketoglutaric acid, phosphoenolpyruvate carboxykinase, isocitric dehydrogenase and a stabilizer.
目的:通过使用低浓度的过氧戊二酸对教室和火车车厢的空气消毒和效果评价,探讨过氧戊二酸对公共场所空气消毒适用性及消毒作用持续时间。
Objective: To analysis the effect of disinfecting classroom and train carriages with perglutaric acid and determine the frequency and available dose of this disinfectant in disinfecting public rooms.
用二环戊二烯,顺丁烯二酸和乙二醇合成不饱和聚酯,这种不饱和聚酯既可浇铸,也可以在空气中固化。
An unsaturated polyester resin was synthesized from dicyclopentadiene maleic acid and ethylene glycol. this resin can be moulded by casting and also can be hardened in air.
用二环戊二烯,顺丁烯二酸和乙二醇合成不饱和聚酯,这种不饱和聚酯既可浇铸,也可以在空气中固化。
An unsaturated polyester resin was synthesized from dicyclopentadiene, maleic acid and ethylene glycol. This resin can be moulded by casting and also can be hardened in air.
考察了硅烷偶联剂KH-550在聚丙烯(PP)/酸式二溴新戊二醇磷酸二酯(PEA)复合体系中的增容作用。
The effect of silane coupling agent KH-550 as a compatibilizer in polypropylene (PP)/phosphate ester dibromoneopentyl glycol acid (PEA) composites was studied.
以二苯胺甲烷磺酸盐为催化剂,合成了丙酸异戊酯,考察了反应时间、催化剂用量、醇酸摩尔比等因素对酯化率的影响。
The effect of different factors, such as reaction time, the amount of catalyst and the ratio of iso-amyl alcohol to propanoic acid on the yield of iso-amyl propionate were carefully studied.
以磷酸二氢铵、季戊四醇、三聚氰胺及丙烯酸树脂为原料研制了一种超薄膨胀型丙烯酸树脂钢结构防火涂料。
The title super-thin fire retardant intumescent coatings for steel structure is prepared with monobasic ammonium phosphate(ADP), pentaerythritol, melamine, and acrylic resin.
以磷酸二氢铵、季戊四醇、三聚氰胺及丙烯酸树脂为原料研制了一种超薄膨胀型丙烯酸树脂钢结构防火涂料。
The title super-thin fire retardant intumescent coatings for steel structure is prepared with monobasic ammonium phosphate(ADP), pentaerythritol, melamine, and acrylic resin.
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