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- Aging of cerous carbonate in aqueous solution was investigated. 研究了水溶液中碳酸铈沉淀的陈化过程。
- Ceric sulfate is an excellent catalyst for synthesis of amyl butyrate. 硫酸铈是合成丁酸戊酯的良好催化剂。
- Isoamyl butyrate was synthesized by using ceric sulfate as the catalyst. 以硫酸高铈为催化剂,正丁酸和异戊醇为原料合成了正丁酸异戊酯。
- The cerous phosphate nanophase fluid is produced from cerous nitrate and phosphoric acid by settling method. 本文以硝酸铈和磷酸为原料，采用沉淀法制备磷酸铈纳米流体。
- From the raw material cerium carbonate to the product ammonium ceric nitrate, the cerium total recovery is 95.61%. 从原料碳酸铈到最终产物硝酸铈铵;铈的总收率为95.;61%25。
- By using ceric sulfate as the catalyst,acetic acid and iso-amyl alcohol reacted to form isoamyl acetate. 采用硫酸铈为催化剂合成乙酸异戊酯,考察了催化剂用量、醇酸物质的量比、反应时间及催化剂重复使用次数等因素对收率的影响。
- Butyl acrylate(BA) was grafted polymerized onto starch by using ceric ammonium nitrate as initiator in aqueous medium. 以硝酸铈铵为引发剂,以未经精制处理的丙烯酸丁酯为接枝单体,在水相介质中制备了玉米淀粉接枝丙烯酸丁酯;
- Phenanthroline is used as indicator and ammonium ceric nitrate standard solution for titration in the determination. 以邻-菲罗林为指示剂，用硝酸铈铵标准溶液滴定的方法测定。
- A method for synthesis of isobutyl acetate based on ceric sulfate as catalyst was developed. 以冰醋酸、异丁醇为原料,硫酸高铈为催化剂合成乙酸异丁酯。
- The cerous carbonate particles were prepared using cerous chloride and ammonium bicarbonate as raw materials. 以氯化铈、碳酸氢铵为原料制备碳酸铈颗粒,并以扫描电子显微镜观察碳酸铈颗粒的形貌与粒度。
- Abstract : The surface chemical structure of activated carbon fibers (ACF) was modified by cerous nitrate. 摘要 ： 利用硝酸铈铵对活性炭纤维进行了化学改性。
- This paper has investigated the analysis of different valence states of cerium in ceric hydroxide by titration. 研究了滴定法分析氢氧化铈中铈的价态。
- Grafting polymerization of acrylic acid onto flax initiated by ceric salt has been studied. 研究了利用铈盐引发丙烯腈与亚麻接枝共聚反应。
- Objective To study the catalytic activity of ceric sulfate in the synthesis of butyl acetate. 目的研究硫酸铈在合成乙酸丁酯工艺中的催化性能。
- Ammonium ceric sulfate is a good catalyst for synthesizing fructone-A and fructone-B,the yield can reach up to 94. 以硫酸高铈铵为催化剂,通过乙酰乙酸乙酯分别与乙二醇和1,2-丙二醇反应合成了苹果酯-A和苹果酯-B,研究了催化剂等有关因素对产品收率的影响。
- Butyl acrylate ( BA) was grafted polymerized onto starch by using ammonium ceric nitrate a initiator in aqueous medium. 以硝酸铈铵为引发剂,以未经精制处理的丙烯酸丁酯为接枝单体,在水相介质中制备了丙烯酸丁酯接枝玉米淀粉。
- In the presence of acetic acid and polyethylene glycol,phenol reacted with ceric ammonium nitrate to from 2,4-dinitrophenol. 在醋酸、相转移催化剂聚乙二醇存在下,苯酚与硝酸铈铵反应生成2,4-二硝基苯酚。
- The rate of reclamation of cerium is above 95% in the ceric hydroxide. The ratio of CeO_2/TREO is about 83% in the ceric hydroxide. 用氨水回调，氢氧化铈沉淀中，铈的收率大于95%25，CeO2/TREO约为83%25。
- In the presence of acetic acid and polyethylene glycol,anthracene reacts with ceric ammonium nitrate and sodium bromate to form 1-nitroanthraquinone. 在醋酸、聚乙二醇存在下,蒽与硝酸铈铵和溴酸钠反应生成1-硝基蒽醌。
- In contrast, no sign indicated that the macromonomer was grafted onto the original starch when the ceric salt was used as redox initiating system. 制备了具有高接枝效率及单体转化率的淀粉-醋酸乙烯酯接枝共聚物。
