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1.A kind of polishing wheel installed in the equipments imported from Germany or Czechoslovakia and in the polishing machine for crystal glass decoration, which is made from high flexible macromolecule, aluminum oxide and cerium oxide.
信息描述：一种安装在德国、捷克进口设备以及国内自主研发的水晶玻璃饰品研磨机上的抛光盘（轮），它是由高弹性和高强度的高分子材料与很锋利的抛光性能极佳的氧化铝、氧化铈等软质磨料进行混合反应而制作。收藏指正
2.The results show that using ammonium bicarbonate instead of oxalic acid,high purity cerium oxide product containing CeO 2 of 99% could be obtained.
并用碳铵替代草酸生产 99%的高纯氧化铈产品。收藏指正
3.The adsorption heat of steam on the catalyst decreased and the amount of adsorbing centers did not change as the amount of cerium oxide in the samples was increased.
实验结果表明，随着铈含量的增加，样品对水蒸汽的可逆吸附过程的吸附热降低，铈含量超过一定值后吸附热又略有升高。收藏指正
4.The process for separating cerium() from the rare earth solution consisting of Ca2+Fe3+F-PO3-4Th4+Mn4+Al3+ through extracting with 2-ethyl hexyl 2-ethyl hexyl phosphonic acid in one step was investigated on industrialscale. Cerium oxide (CeO2/REO9990%) and ceriumless rare earth carbonate (CeO2/REO3%) was obtained simultaneously.
本文对2－乙基己基膦酸单2－乙基己基酯（P507）从含有Ca2＋、Fe3＋、F－、PO3－4、Th4＋、Al3＋、Mn2＋的多组分硫酸稀土溶液中一步萃取分离铈（Ⅳ）工艺进行研究，得到纯度≥99．9％的氧化铈产品及少铈碳酸稀土产品（CeO2／REO≤3％）。收藏指正
5.In the sodium hydride and ammonia system,the nanostructure cerium-oxide particles,with wider acromion and common shoulder peak of CeO_2 and Ce_2O_3 and with the mean particle size of 5～15nm and a specific surface area of 128.52m~2/g,have been obtained at temperature of 120℃ and reaction time of 24h.
在NaOH、NH3反应体系中,120℃、24h可获得肩峰较宽、具有CeO2、Ce3O3固溶峰的纳米结构氧化铈颗粒。 粒径在5～15nm,比表面积为128 52m2/g;收藏指正
6.Nanocrystalline cerium(IV) oxide (CeO2) powders were prepared by means of different methods, Sol-Gel method, precipitation method and electrochemical method. The powders were analyzed by using X-ray diffraction(XRD) and Transmission electron micrograph(TEM).
本文主要采用液相法中的溶胶-凝胶法、均匀沉淀法和电化学法制备了CeO_2纳米粉体，通过X-衍射、透射电子显微镜等手段对所制备的纳米粒子进行了表征，并从粒子的形态及制备工艺上进行了比较。收藏指正
7.It is emphasized that cerium group-Al, Yttrium group-Al, Lanthanum rich RE-Al, Yttrium rich RE-Al, La-Al, Ce-Al, Nd-Al, Y-Al series of alloys has been prepared by molten salt electrolysis at lower temperature (690-750℃),and the basic research, development and new technologies with relation to add rare earth oxide, oxychloride or carbonate into commercial aluminium electrowinning cell for preparing RE-Al alloy has been commended.
着重介绍了在较低温度(690～750℃)下电解制取混合轻稀土、混合重稀土、富La、富Y、La、Ce、Nd、Y与Al的合金系列,及工业铝电解槽中添加氧化稀土、氧氯稀土和碳酸稀土直接生产稀土铝合金的有关基础和新工艺的研究及发展。收藏指正
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