山东大学

School of Literature and Journalism, Shandong University, Jinan 250100, China

山东大学文学与新闻传播学院，山东济南 250100

Center for Space Thermal Science,Shandong University,Jinan 250061,China

山东大学空间热科学研究中心，山东济南250061

Hospital of Stomatology,Shandong University,Jinan 250012,China

作者单位： 250012 山东济南，山东大学口腔医学院

Key Laboratory of Experimental Teratology, Ministry of Education, Department of Medical

山东大学实验畸形学教育部重点实验室医学院微生物学教研室，山东济南 250012

Department of Virology, School of Public Health, Shandong University, Jinan, Shandong 250012

山东大学公共卫生学院病毒学研究室，山东济南250012

School of Environmental Science and Engineering, Shandong University, Shandong Jinan, 250062Abstract: The preparation methods of nanometer ceric oxide at home and abroad were reviewed, their advantages and disadvantages were discussed, and its application fields were introduced too.

山东大学环境科学与工程学院，山东济南，250062摘要：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。

For concerting forth the clearance of Chongqing Reservoir of Three Gorges ,the old city removal of Kai county which is the key city in "one city and five county"in Chongqing reservoir would be the endgame.

孟祥栋1，吴海2（1。重庆市爆破公司，重庆400020；2。山东大学，山东济南250062）摘要：为配合三峡重庆库区4期清库工程，作为4期清库&一城五镇&中的&一城&，开县老城移民搬迁也进入最后阶段。

School of Chemistry and Chemical Engineering,Shandong University

山东大学化学与化工学院，山东济南250061

School of Chemistry and Chemical Engineering, Shandong University, Jinan 250061, China

山东大学化学与化工学院，山东济南 250061

School of Energy and Power Engineering,Shandong University,Jinan 250061,China

山东大学能源与动力工程学院，山东济南 250061

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。