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Thermal degradation of epoxidized natural rubber in presence of neodymium stearate罗勇悦1,杨昌金1,陈帮乾2,许逵1,钟杰平3,彭政1,吕臻1,王庆煌11. Chinese Agricultural Ministry Key Laboratory of Tropical Crop Product... of Science,Guangdong Ocean University摘 要:The effect of neodymium stearate (NdSt) synthesized by saponification method on thermal degradation and thermo-oxidative......
Preparation by chemical co-precipitation, spectral and electrical characteristics of neodymium orthophosphate nanoparticlesSeema Verma,K.K.BamzaiCrystal Growth and Material Research Laboratory, Department of Physics & Electronics, University of Jammu摘 要:Nanoparticles of neodymium orthophosphate(Nd PO4) were prepared through a facile wet co-precipitation......
A significant improvement in adsorption behavior of mesoporous TUD-1 silica through neodymium incorporationBadria M.Al-Shehri1,2,Sahar K.Mohamed3,Shaykha Alzahly4,Mohamed S.Hamdy1,31. Catalysis... University4. King Abdullah Institute for Nanotechnology,King Saud University摘 要:Neodymium was incorpo rated into the three-dimensional mesoporous siliceous mate......
Photoacoustic Spectral Analysis of f-f Transitions of Neodymium Compounds with TFA and HFA杨跃涛,苏庆德,赵贵文摘 要:Ｔｈｅｐｈｏｔｏａｃｏｕｓｔｉｃ(ＰＡ)ｍｅａｓｕｒｅｍｅｎｔｈａｓｂｅｎｗｉｄｅｌｙｕｓｅｄｔｏｉｎｖｅｓｔｉｇａｔｅｔｈｅｃｈｅｍｉｃａｌａｎｄｐｈｙｓｉｃａｌｐｒｏｐｅｒｔｉｅｓｏｆａｌｍｏｓｔａｌｋｉｎｄｓｏｆｓａｍｐｌｅｓｗｈｉｃｈｗｅｒｅ...关键词:......
Nd对AZ31镁合金微观组织与力学性能的影响 刘旭光1,李明照1,许并社1,李琮1 (1.太原理工大学,教育部新材料界面与工程重点实验室,山西,太原,030024) 摘要:研究了Nd对AZ31镁合金微观组织和力学性能的影响.结果表明:Nd在AZ31合金中的吸收率达95%,Nd加入AZ31合金中形成了Al2Nd和Mg12Nd金属间化合物,Nd使合金的平均晶粒尺寸减小,力学性能提高.含Nd的AZ31合金铸态抗拉强度,屈服强度和伸长率值分别为245 Mpa,171 Mpa和9%. 关键词:镁合金; 钕; 微观组织; 力学性能; magnesium alloy; Nd(neodymium); microstructure; mechanical property; [全文内容正在添加中] ......
Recovery of rare-earth metal neodymium from aqueous solutions by poly-γ-glutamic acid and its sodium salt as biosorbents:Effects of solution pH on neodymium recovery mechanismsMisaki Hisada,Yoshinori KawaseResearch Center for Biochemical and Environmental Engineering, Department of Applied Chemistry, Toyo University摘 要:For recovery of metals from low......
Recovery of rare-earth metal neodymium from aqueous solutions by poly-γ-glutamic acid and its sodium salt as biosorbents:Effects of solution pH on neodymium recovery mechanismsMisaki Hisada,Yoshinori KawaseResearch Center for Biochemical and Environmental Engineering, Department of Applied Chemistry, Toyo University摘 要:For recovery of metals from low......
灼烧温度对镨钕二元氧化物粒度和形貌影响的研究 许宗泽1,胡珊珊1,李慧琴2,刘海旺1,郝先库1,张瑞祥1 (1.包头市京瑞新材料有限公司,内蒙古,包头,014015;2.内蒙古科技大学,材料与冶金工程学院,内蒙古,包头,014010) 摘要:以氯化镨钕溶液为原料液,分别用草酸,碳酸氢铵和碳酸钠为沉淀剂制备镨钕草酸盐和碳酸盐,在900℃~1500℃范围内不同灼烧温度下制备出镨钕二元氧化物,利用粒度仪和扫描电镜进行测试,研究了灼烧温度对稀土氧化物的粒度和形貌特征的影响;结果表明,灼烧温度的提高对中位粒径D_(50)和粒度分布R变化影响不同,改变灼烧温度对镨钕二元氧化物的形貌影响较大. 关键词:镨钕二元氧化物; 灼烧温度; 粒度; 形貌; praseodymium neodymium binary oxide; calcination temperature; particle......
Influence of Samarium and Neodymium on Production of Mischmetal by Molten Salt Electrolysis Process张长鑫,刘鸿涛,张燕红摘 要:<正> In molten salt electrolysis of mixed rare earth chlorides,the influence of the amount of samarium andneodymium containing in the raw material is experimented and discussed.The process of the formation ofoxychloride,which is harmful......
对甲基苯磺酰化丝氨酸钕(Ⅲ)络合物修饰PVC膜钕离子选择性电极的研制刘峥1,王松梅1,王莉1(1.广西壮族自治区桂林市桂林理工大学化学与生物工程学院)摘 要:利用自制的对甲基苯磺酰化丝氨酸稀土钕(Ⅲ)络合物为电活性物质制成了一种对钕离子有响应的PVC膜离子选择性电极.对电极的性能研究表明,以KCl为电解质溶液,在pH 4.5的醋酸-醋酸钠缓冲溶液中,电极对钕离子在1.00×10-6~1.00×10-2 mol/L的浓度范围呈良好能斯特响应,校准曲线斜率为19.3 mV/dec,检出限为6.31×10-7mol/......
