查询词典 cerous

The CMC grafted polyacrylamide co polyacrylic acid at the same time was produced. The redox system of patassium sulfate and sodium bisulfite was used as the initiator instead of the cerous ammonium nitrate because of its cheapness.

以羧甲基纤维素为基质，以过硫酸钾-亚硫酸氢钠氧化还原引发体系代替相对昂贵的硝酸铈铵引发剂，成功的制备了羧甲基纤维素同时接枝聚丙烯酰胺-聚丙烯酸共聚物。

These results indicate that the wavelengths at adsorbing edge are affected by the content of cerous nitrate and the maximum absorption wavelength is about 481nm when the mole ratio of Ce/Ti is 1.0.For higher dosage of Cerium,the absorbance edge shifts to blue slightly.

结果表明，硝酸铈加入量影响催化剂的吸收带边，随用量增加，吸收带边红移至481nm(Ce/Ti=1.0，摩尔比)，继续增加用量，吸收带边轻微蓝移。

Cerium dioxide ultrafine powder is prepared by electrochemical method using composite coating of In-Ru-Ir as anode,cerous nitrate and ammonium nitrate as electrolyte.

以钛基钌-钇-铑涂层电极作为阳极，硝酸铈和硝酸铵作为电解液，电化学法制备二氧化铈超细粉体，用X射线衍射和透射电镜进行了表征，制备条件用正交实验设计进行优化；通过极化曲线，计算了电极过程动力学参数

The Carboxymethyl Cellulose grafted polyacrylamide was synthesized with the cerous ammonium nitrate as the initiator and the absorbent resin with excellent water absorbing abilities was produced through hydrolyzing the CMC-g-PAM.

以羧甲基纤维素为基质，以硝酸铈铵为引发剂，成功的制备了羧甲基纤维素接枝聚丙烯酰胺，进一步水解获得了具有优异吸水性能的高吸水树脂。

The degradable starch treated by α-amylase was grafted onto methyl acrylate to produce graft copolymer initiated by ammonium cerous nitrate, the degradable film was produced by molten mixing the above copolymer and linear low density polyethylene, the properties of the degradable film were characterized by means of mechanical property testing, SEM, TG analysis and degradation experiment.

将α-淀粉酶降解淀粉在引发剂硝酸铈铵的作用下与丙烯酸甲酯接枝生成共聚物，用该共聚物与线型低密度聚乙烯熔融混炼制成可降解薄膜，通过力学性能测试、扫描电镜、热失重分析和降解性能实验等对其进行表征。

The wood-cellulose grafted polyacrylamide was synthesized with the cerous ammonium nitrate as the initiator. The absorbent resin was produced through hydrolyzing the Cell-g-PAM.

以木纤维为基质，硝酸铈铵为引发剂，成功的制备了纤维素接枝聚丙烯酰胺共聚物，进一步经过碱性水解，获得了具有一定吸水性能的吸水树脂。

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。