以二乙基苯为代表,通过详细的热力学计算,探讨了不同反应条件对二乙苯与苯烷基转移反应平衡的影响。
Effects of reaction conditions on reaction equilibrium of transalkylation of diethylbenzene and benzene were investigated through detail thermodynamics calculation, with diethylbenzene as sample.
十六烷二甲基苯氧乙基溴化铵的乳化能力、起泡力和泡沫稳定性都比较弱,具有一定的消泡和抑泡作用。
The emulsibility, producing bubble ability and the foam stability for PDPB are weaker, and it has definite effect on disappeared and restrained bubbles.
结果共鉴定了22个成分,占总峰面积的99%,而其中邻苯二甲酸乙基己基酯占87%。
Results 22 compounds were identified and was 99% of the total peak area, in which, the Phthalic acid mono - (2-ethylhexyl) ester was 87%.
运用DPD (N, N -二乙基对苯二胺)分光光度法,建立了快速分析制水工艺过程中各种氯胺含量的方法。
A rapid analysis method for all forms of chloramines in water production process was developed by using n, N-Diethyl-p-phenylenediamine (DPD) spectrophotometry.
产品成分:去离子水、甘油、丁二醇、芦荟提取液、透明质酸、尿囊素、苯氧乙醇、维生素c乙基醚、PEG - 40氢化蓖麻油、EDTA -二钠、香料。
Ingredients: Deionized Water, Glycerin, Butanediol, Aloe Extract, ha, Allantoin, Phenoxyethanol, Ethyl Ascorbic Acid, PEG-40 Hydrogenated Castor Oil, EDTA-Disodium Salt, Essence.
苯,甲苯,二甲苯,乙基苯。
标题化合物C24H22N2O2是由N-(4-羟基苯亚甲基)喹啉-5-胺和5,5-二甲基-1,3-环己二酮在氯化三乙基苄基铵(TEBAC)催化下以水作溶剂反应而得。
The title compound C24H22N2O2 has been synthesized by the reaction of N-arylidenenaphthalen-2-amine with 5,5-dimethyl-1,3-cyclohexadione water catalyzed by triethylbenzylammonium chlorideTEBAC.
研究了邻苯二甲酸二乙基己酯(D EHP)对金鲫鱼脑组织和肾脏的氧化损伤程度及其发生机制。
The oxidation damages of di-(2-ethylhexyl)phthalate(DEHP) to brain and kidney cells of gold larval fishes and the generation mechanisms were investigated.
本标准溶液以邻苯二甲酸二(2 -乙基己基)酯在超净实验室中准确配制并分装于2毫升安瓿中。
This standard solution was accurately prepared in super-clean laboratory with di (2-ethylhexyl) o-phthalate and sub-packed in 2ml ampoules.
本标准溶液以邻苯二甲酸二(2 -乙基己基)酯在超净实验室中准确配制并分装于2毫升安瓿中。
This standard solution was accurately prepared in super-clean laboratory with di (2-ethylhexyl) o-phthalate and sub-packed in 2ml ampoules.
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