查询词典 ceric

The optimal synthesis conditions are that when the mass ratio of amylum and acrylamide is 3:1; NaOH is 75% of acrylamide; the concentration of ammonium ceric nitrate is 5 mmol/L; the N, N′-methylenebisacrylamide and acrylamide is 0.2%; and the reaction temperature controlled in (60±2)℃, the water absorptivity of produced super absorbent can reach to 750 g/g for tap water.

最佳合成条件是：在淀粉与丙烯酰胺的质量比为3：1、氢氧化钠为丙烯酰胺质量的75%、硝酸铈铵的浓度为5mmol/L、交联剂N，N'-亚甲基双丙烯酰胺与丙烯酰胺的质量比为0.2%、反应温度控制在(60±2)℃的条件下，制得的保水扩蓄剂吸水率可以达到750 g水／g。

Rate constants of oxidation reaction of anethole to anisaldehyde by Ceric Sulfate at different temperature(15-35℃)were measured.

制备茴香醛是用对甲氧基甲苯作为原料氧化合成茴香醛，[2，3]但近年石油化工原料价格猛涨，因而以我国广西盛产的茴香油为原料制备茴香醛的方法得以重视[4-9]。

The processing abilities, structures and corrosion properties of the ceric aluminum brass and the arsenical aluminum brass were studied by means of metallographic analysis, microhardness measurement, mass loss measurement, electrochemical testing and scanning electron microscopy.

采用金相组织分析、显微硬度分析、质量损失分析、电化学测试和扫描电镜等手段研究铈铝黄铜和砷铝黄铜的加工性能、组织结构和耐蚀性能。

Potassium dichromate was replaced by ceric sulfate as oxidant to determine the COD in this study.

采用硫酸高铈作为氧化剂来测定难降解垃圾渗滤液的COD，测定结果与重铬酸钾法进行比较。

Ceric sulfate ; chemical oxygen demand; ungraded garbage percolate ; determination

硫酸高铈； COD ；难降解垃圾渗滤液；测定

The effects of solvent on the bromization reaction and oxidant on the formolation reaction of the target product were studied. The results show that the optimum solvent for the bromization reaction and the optimum oxidant for the formolation reaction of the target product were carbon tetrachloride and ceric ammonium nitrate, and their yields were 86.7% and 89.3% respectively.

同时就溴化反应中的溶剂以及甲酰化反应中的氧化剂对两类反应的影响分别进行了研究，结果表明溴化反应的最佳溶剂为四氯化碳，反应产率达到86.7%，甲酰化反应的最佳氧化剂为硝酸铈铵，产率达到89.3%。

School of Environmental Science and Engineering, Shandong University, Shandong Jinan, 250062Abstract: The preparation methods of nanometer ceric oxide at home and abroad were reviewed, their advantages and disadvantages were discussed, and its application fields were introduced too.

山东大学环境科学与工程学院，山东济南，250062摘要：综述了国内外纳米二氧化铈的制备方法，比较了各方法的优缺点，并介绍了纳米二氧化铈的应用领域。

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。

Ceric ammonium sulfate was then added carefully.

Ceric硫酸铵当时加仔细。

Yet the spiritual leader of Bosnia's Muslims, Reis Mustafa Ceric, says he is not worried by extremists,"because my people in mosques and on the streets are clever enough not to follow those who are irresponsible."

而波斯尼亚穆斯林信徒们的精神领袖Reis Mustafa Ceric却对极端分子不以为然，他说这是因为波斯尼亚穆斯林信徒有足够的智慧来抵御对那些不负责任的极端分子的盲从。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。