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EFFECT OF CERIUM ION IMPLANTATION ON THE AQUEOUS CORROSION BEHAVIOR OF ZIRCONIUM X.D.Bai1,X.Y.Liu1,X.W.Chen1,D.Q.Peng1,Q.G.Zhou1,R.H.Yu1 (1.Department of Materials Science and Engineering, Tsinghua University, Beijing 100084, China) Abstract:In order to study the influence of cerium ion implantation on the aqueous corrosion behavior of zirconium, specimens were implanted by cerium ions......
Post treatment of silane and cerium salt as chromate replacers on galvanized steel WU Haijiang1,LU Jintang1,KONG Gang1 (1.School of Materials Science and Engineering, South China University... with that of single cerium film and silane film. The results showed that, the presence of these films on the zinc coating hindered corrosion reaction by reducing the rate of both anodic and cathodic reaction......
Crystallization and Morphological Evolution of Yttrium Carbonate李永绣,黄婷,黎敏,周雪珍,罗军明,何小彬摘 要:The crystallization and morphological evolution of yttrium carbonate when aging at 50 ℃ after its precipitation by ammonium bicarbonate with feed molar ratio NH4HCO3∶YCl3=2 were investigated by means of XRD, SEM and pH situ-determination. It was found that pH value......
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Effect of Lanthanum and Cerium on Expression of RSCU-PA-32k Gene in Saccharomyces Cerevisiae 刘玉鹏1,刘晖2,徐长法2,王兰仙2,任育红3 (1.Institute of Food Science and Engineering, Yantai University, Yantai 264005... efficiency of rscu-PA-32k gene in yeast. 2 and 5 mmol·L-1 LaCl3 increase the activities of the expression product by 13% and 20% (from 14.6 to 16.5 and 17.5 U·ml-1). Cerium chloride can decrease......
Determination of Trace Metal Impurities in Cerium Oxide by Fluorination-Assisted ETV-ICP-AES after HPLC Separation 江祖成1,胡斌1,Ruth Wanjau1,何蔓1,梁沛1,秦永超1 (1.Department of Chemistry,Wuhan University,Wuhan 430072,China) Abstract:A new method for the separation and detection of trace metal impurities in cerium oxide(CeO2)using HPLC combined with electrothermal vaporization(ETV)-ICP-AES......
J. Cent. South Univ. (2012) 19: 1802-1807 DOI: 10.1007/s11771-012-1211-2 Crystallization of calcium carbonate in hydrogels in presence of meso-tetrakis (4-hydroxylphenyl) porphyrin ZHANG Feng-ju(张凤菊... an important role in biomineralization process. In order to explore the effect of both meso-tetrakis (4-hydroxylphenyl) porphyrin (THPP) and hydrogels on calcium carbonate mineralization, and consequently......
Catalytic performance of cerium iron complex oxides for partial oxidation of methane to synthesis gas LIU Mingchun1,LI Kongzhai1,WEI Yonggang1,WANG Hua1 (1.Faculty of Materials and Metallurgy Engineering,Kunming University of Science and Technology,Kunming 650093,China) Abstract:The cerium iron complex oxides oxygen carder was prepared by the co-precipitation method. The reactions between......
J. Cent. South Univ. (2020) 27: 3320-3333 DOI: https://doi.org/10.1007/s11771-020-4549-x Field trial on use of soybean crude extract for carbonate precipitation and wind erosion control of sandy... and semi-arid areas. The objective of this study was to evaluate the potential of soybeans crude extract induced calcium carbonate precipitation (SICP) on reducing wind erosion risk of sandy soil. Field......
Mechano-activated surface modification of calcium carbonate in wet stirred mill and its properties DING Hao(丁 浩)1, LU Shou-ci(卢寿慈)2, DENG Yan-xi(邓雁希)1, DU Gao-xiang(杜高翔)1 1. School of Materials...; Abstract: Surface modification of calcium carbonate particles using sodium stearate(SDS) as a modification agent incorporated with the simultaneous wet ultra......