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- Keywords nanoscale zinc and cerium oxides;sunscreen materials;photo-catalysis;oxidation catalysis;surface modification; 纳米锌铈复合氧化物;光屏蔽材料;光催化;氧化催化;表面改性;
- Wool wheel installed in the last mounted wheel is usually used with polishing powder (cerium oxide). 羊毛毡类抛光磨具常常被安装在玻璃磨边机最后一个磨头上,与抛光粉(氧化铈)配合使用。
- The status of production, application and market of cerium oxide are introduced. 介绍了我国氧化铈产品的生产、应用和市场的发展状况。
- The bottom layer incorporates two other common catalysts, cerium oxide and platinum. 下层则包含氧化铈和铂两种常见的触媒。
- Made from high flexible macromolecule, aluminum oxide, silicon carbide and cerium oxide, BK series wheels have good flexibility, wear-resistant and polishing efficiency. 它是由高弹性和高强度的高分子材料与很锋利的氧化铝和碳化硅以及氧化铈进行混合反应而制作。
- 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%25的高纯氧化铈产品。
- The major overlay of the coating was cerium oxide that had peeled partially from the substrate due to hydrogen evolution at the interface. 并且由于氢气泡破玖所造成的震波,关致皮膜严重剥落,且皮膜脱落的程度随化成温度上升而加剧。
- It is shown that the mixed rare earth carbonate is superior to pure cerium oxide and reduces the cost of decoloring agent by 50%. 表明采用混合碳酸稀土作玻璃脱色剂可获得良好的脱色效果并使脱色成本降低50%25。
- 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。
- Rich lanthanum rare earth chloride and industrial purity cerium oxide or compounds can be made by acid leaching under normal and reductive condition,respectively. 如常规浸出和还原浸出分别进行,则可从精矿开始直接制取富镧氯化稀土和工业级纯铈及其化合物。
- The results show that the lower adsorbtion heat a sample has, the higher activity it shows.It is proved that cerium oxide plays a role of catalyst accelerator in the WG... 不同铈含量的氧化铁样品催化变换反应的活性测定结果表明,吸附热最小的样品的催化活性最高,说明铈在无铬铁系中温变换催化剂中起助催化剂的作用。
- An enamel glaze that containing cerium oxide was deposited on titanium alloys using electrophoresis technology and an enamel coating was obtained by sintering process. 在高温钛合金表面采用电泳沉积法预置稀土改性搪瓷釉料,经烧结获得搪瓷涂层。
- A method for direct determination of trace 14 rare earch elements in cerium oxide (99.95%) by inductively coupled plasma-atomic emission spectrometry has been studied. 本文研究了电感耦合等离子体原子发射光谱直接测定99.;95%25氧化铈中14种稀土杂质的方法。
- The Synthesis of Silver Zinc Cerium of Carboxymethyl Chitosan and its Bactericidal Action 羧甲基壳聚糖银、锌、铈的合成及抑菌实验的研究
- China is a big country for production and provides cerium oxide and dominates in the industry at present.Output and export quantum of cerium oxide are the top in the world. 目前我国已成为世界上生产和供应氧化铈的大国,产量及出口量为全球之冠,在世界同行业中占有主导地位。
- Brass is an alloy of copper and zinc. 黄铜是铜和锌的合金。
- Brass is formed by the fusion of copper and zinc. 黄铜是由铜和锌熔合制成的。
- nanoscale zinc hydroxystannate ZnSn(OH)6纳米颗粒
- 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. 产品描述:一种安装在德国、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()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、化铈等软质磨料进行混合反应而制作。