Glacial acetic acid is a dehydrating agent and an irritant and is corrosive.
冰醋酸是个脱水代理及刺激物和腐蚀。
The reaction of aryloxy acetic acid with thiosemicarbazide in the presence of dehydrating agent, POCl_3, affords a series of 2amino5aryloxymethyl1,3,4thiadiazoles under microwave irradiation (MWI).
在三氯氧磷作用下,由芳氧基乙酸和氨基硫脲经脱水环合,微波辐射快速合成了一系列2氨基5芳氧亚甲基1,3,4噻二唑类化合物。
Water treatment of coagulant, flocculation agent, sludge dehydrating agents. it.
水处理中作助凝剂、絮凝剂、污泥脱水剂。
Through the experiment, it is found that the tack free time is affected greatly by the content of catalyst, dehydrating agent, plasticizer and the free NCO.
通过实验发现催化剂、脱水剂、增塑剂以及游离的异氰酸酯含量对密封胶的表干时间有很大的影响。
The reasons of the improvement of stability and the prolongation of tack free time were analyzed and the optimal amount of dehydrating agent was studied in this article.
分析了添加脱水剂后密封胶储存稳定性提高以及表干时间延长的原因,研究了脱水剂的最优添加量。
The basic principle and method of synthesis of lower fatty acid ethyl ester using 3a molecular sieves as dehydrating agent were described.
本文主要阐述了在合成低碳脂肪酸乙酯中采用3a型分子筛作脱水剂的基本原理和方法。
The experiment results showed that adding dehydrating agent into the sealant obviously improved its storage stability but prolonged the tack free time of sealant and increased its flow property.
实验结果表明添加脱水剂可以显著改善密封胶的储存性能,但是使密封胶的表干时间延长,流淌性增加。
The invention applies the polyglycerol acrylate as a crude oil demulsifying agent for dehydrating crude oil, which is a new-type crude oil demulsifying agent.
本发明则将其作为原油破 乳剂进行了原油脱水的应用,是一种新型的原油破乳剂。
The water in the solid can be removed by a dehydrating agent.
固体中的水可用脱水剂将其反应掉。
The catalyst and dehydrating agent can be repeatedly used and no pollutant is produced during the technological process.
催化剂和脱水剂可以反复利用,并且该工艺过程无污染。
The condensation of citronellal with diethanolamine was promoted in the existence of dehydrating agent, producing a stable condensate, the yield was 97. 9%;
以脱水剂促进香茅醛与二乙醇胺缩合,生成稳定缩合物,产率达97.9%;
The process is carried out by using Soxhlet set, as experiment unit, with methyl sulfonic acid as a catalyst and magnesium sulfite as dehydrating agent, giving 97.
报道了合成乳酸丁酯的新方法 ,以乳酸和正丁醇为原料 ,在甲基磺酸催化下以亚硫酸镁为脱水剂 ,用索氏提取器进行回流合成。
The process is carried out by using Soxhlet set, as experiment unit, with methyl sulfonic acid as a catalyst and magnesium sulfite as dehydrating agent, giving 97.
报道了合成乳酸丁酯的新方法 ,以乳酸和正丁醇为原料 ,在甲基磺酸催化下以亚硫酸镁为脱水剂 ,用索氏提取器进行回流合成。
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