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.
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.
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