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High Tc Superconductivity of Mixed Rare Earth Er-Ba-Cu-O System徐涤,李晓贤,喻志东摘 要:HighT_cSuperconductivityofMixedRareEarthEr-Ba-Cu-OSystemXuDi(徐涤);LiXiao-Xian(李晓贤);YuZhi-Dong(喻志东)(InstituteofAppliedPhysics,J?..关键词:......
Effect of Rare Earth Elements on Quantity Growth of Crops 汪成胜1,李瑞1,常江1,韩修明1,柴绍明1,张自立1 (1.Department of Soil & Agrichemistry, Anhui Agricultural Univers oty, Hefei 230036,China) Abstract:The effects of rare earth on the growth of rice, rape and soybean in three kinds of soils were studied with the method supposed by Economic Co-operation and De velopment organization (OECD), and the EC50(median......
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Study on Escaping Fluorine Inhibition in Calcining Process of Mixed Rare Earth Concentrate吴志颖,吴文远,孙树臣,边雪,涂赣峰摘 要:GC technology was used to study escaping fluorine in calcined process of mixed rare earth concentrate. The mixed rare earth concentrate and it adding assistant of CaO-NaCl-CaCl2 were calcined at 400~750 ℃ for 30~120 min, and then total amount......
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Kinetic of Dissolved Phosphorus from Calcination Products of Mixed Rare Earth Minerals边雪,吴文远,杨眉,孙树臣,涂赣峰摘 要:The products of mixed rare earth minerals... the dissolution rate of phosphorus. Phosphorus and rare earth in the calcination products could be separated in this process applicable to the rare earth recovery in phosphorite containing the rare earth......
Preparation of Well Dispersed and Ultra-Fine Ce(Zr)O2 Mixed Oxide by Mechanochemical Processing 陈伟凡1,李永绣1,程昌明1,周雪珍1 (1.Rare Earth Technology Research Center, Nanchang Univeisity, Nanchang 330047... and the vanish of holes inside grains. Key words:ceria-zirconia mixed oxide; ultra-fine powders; mechanochemical process; rare earths; [全文内容正在添加中] ......
Study on Roasting Decomposition of Mixed Rare Earth Concentrate in CaO-NaCl-CaCl2吴文远,边雪,孙树臣,涂赣峰摘 要:<正>The decomposed process of bastnaesite, monazite and mixed rare earth concentrate in CaO-CaCl-CaCl2 was studied by means of TG-DTA method. The relationship among decomposition ratio, roasting temperature, and CaO-NaCl addition was studied......
mechanism of abrasion resistance and the life of fatigue enhanced in the RE - heavy rails steel were discussed.Progress in study of application of rare earth metals in steels (including weather resistance...Progress of Study on Application of Rare Earth Metals in Steels Wang Longmei1,Lan Denian2,Ji Jingwen3,Lin Qin4 (1.Metallurgy Technics Institute, Central Iron &Steel Research Institute, Beijing......
Preparation of crystalline mixed rare earth carbonates by Mg(HCO3)2 precipitation methodZonghe Yu1,Meng Wang1,2,Liangshi Wang1,2,Longsheng Zhao1,2,Zongyu Feng1,2,Xu Sun1,2,Xiaowei Huang1,21. National... treatment technology of Baotou mixed rare earth ore,large quantities of ammonia-nitrogen wastewater are produced in the step of ammonium bicarbonate precipitation to transform rare earth sulfate.In......