研究了滴定法分析氢氧化铈中铈的价态。
This paper has investigated the analysis of different valence states of cerium in ceric hydroxide by titration.
所述催化剂比未负载的氧化铈的活性更大。
去年夏天刚刚过了二个月，铈的价格涨了450%。
Over just two months last summer, prices on cerium jumped more than 450 percent.
本文主要讨论了四价铈产品中铈的价态分析问题。
This paper has discussed the problem about analysis of different valence states of cerium in ceric products.
研究结果证明，硝酸钠对铈的氧化作用是显著的。
It shows that the oxygenation of the sodium nitrate is obvious to cerium.
聚丙烯与氧化铈的复合纤维将具有更优异的性能。
The performances of PP and CeO_2 composite fiber will be excellent.
用途：作其他铈盐和氧化铈的原料及石油添加剂等。
Uses: to make other cerium salts & cerium oxide raw materials & petroleum additives, etc.
用途：主要用于催化剂、医药、氧化铈的生产原料等。
Uses: mainly used in catalysts, pharmaceuticals, cerium oxide production of raw materials, etc.
氧化钇和氧化铈的制备仅仅为后续研究做可行性分析提供依据。
Yttrium oxide and cerium oxide produced only for the follow-up study done on the basis of feasibility analysis.
从原料碳酸铈到最终产物硝酸铈铵，铈的总收率为95.61%。
From the raw material cerium carbonate to the product ammonium ceric nitrate, the cerium total recovery is 95.61%.
纳米复合涂层中氧化铈的含量高于微米复合涂层中的氧化铈含量；
The ceria content of the nanocomposite coating is more than that of the micron composite coating.
离子交换法制备的二氧化铈的光吸收效率和吸附氧量都优于二氧化钛。
Particles prepared by ion-exchange method excel at photo-absorption efficiency and oxygen-adsorptive capacity than titanium dioxide.
球墨周围的铁素体和珠光体是贫铈的，而远离球墨的珠光体和莱氏体是富铈的。
Ce is depleted from ferrite and pearlite surrounded by nodular graphite, and enriched in pearlite and ledeburite far apart from nodular graphite.
为了解决罐耳磨损严重问题，研究稀土铈的加入量对罐耳组织和力学性能的影响。
To solve the problem of severe wear of cage ears, the influence of the amount of rare earth-Ce on microstructure and mechanical properties of cage ears was studied.
为了解决这个问题，研究者们正在希望用含铈的稀土[钼系]元素合金来作为替代品。
To solve the problem, researchers are hoping to replace them with "mischmetal" alloys.
该装置的发明人说，在太阳能反应器中利用二氧化铈的特性，是这项技术的主要突破点。
It is this harnessing of ceria's properties in the solar reactor which represents the major breakthrough, say the inventors of the device.
本试验借助于721分光光度计对纳米二氧化铈的紫外吸收光降解性能进行了初步研究。
It is preliminary studied the ultraviolet absorption character of CeO2 nanoparticles were used for degrading helianthine with the help of the 721-type spectrophotometer.
试样经奥氏体区高温处理后，铈的添加细化含锡钢的奥氏体晶粒，并且使晶粒长大趋势变慢。
During the austenitizing treatment process of heated, adding cerium into steel contained tin could make grain size small, and moreover, it could make the trend of grain size growing up slow.
如果用于分解的物质是水蒸汽，那么二氧化铈催化剂还可以将分解出的氧气用于二氧化铈的再生。
When water vapor was used, the catalyst would strip out its oxygen to reform cerium dioxide.
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。
The preparation methods of nanometer ceric oxide at home and abroad were reviewed, their advantages and dis- advantages were discussed, and its application fields were introduced too.
该机器的原型是由美国和瑞士的研究者们设计的。它利用一个石英窗和腔体将太阳光聚集到一个充满二氧化铈的缸体中。
The prototype, which was devised by researchers in the us and Switzerland, USES a quartz window and cavity to concentrate sunlight into a cylinder lined with cerium oxide, also known as ceria.
其核心部件是由金属铈制成，这种金属与铜一样储量广泛，而不像其它通常被用作催化剂的金属那样稀有和昂贵，例如铂。
The key component is made from the metal cerium, which is almost as abundant as copper, unlike other rare and expensive metals frequently used as catalysts, such as platinum.
排气系统上的接触反应器含有铈和镧。
The catalytic converter on your exhaust system contains cerium and lanthanum.
这种在《科学》杂志里所报道的装置使用一个标准的抛物柱面镜把阳光搜集进一个反应室。在这个反应室里，铈氧化物催化剂可以分解水和二氧化碳。
The device, reported in the journal Science, uses a standard parabolic mirror to focus the sun's rays into a reaction chamber where the cerium oxide catalyst breaks down water and carbon dioxide.
如果以原型中的工作来讲，二氧化碳或者水被注入到容腔中，随着它被降温的过程中二氧化铈会迅速地夺取他们中的氧，从而制造出氢气或者一氧化碳。
If as in the prototype, water and/or carbon dioxide are pumped into the vessel, the ceria will rapidly strip the oxygen from them as it cools, creating hydrogen and/or carbon monoxide.
不同于我们所熟悉的窗玻璃，金属玻璃是合金，如铈铝合金。
Unlike familiar window glass, metallic glasses are alloys made of metals-in this case cerium and aluminum.
不同于我们所熟悉的窗玻璃，金属玻璃是合金，如铈铝合金。
Unlike familiar window glass, metallic glasses are alloys made of metals-in this case cerium and aluminum.
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