共搜索到15717条信息,每页显示10条信息,共1572页。用时:0小时0分0秒171毫秒
Adsorption of Ce(Ⅳ) Anionic Nitrato Complexes onto Anion Exchangers and Its Application for Ce(Ⅳ) Separation from Rare Earths(Ⅲ) Wei Yuezhou1,Ludek Jelinek1,Mikio Kumagai1 (1.Nuclear Chemistry... of high purity (>99.97%) with respect to La and Y content was gained. Key words:ion exchange; tetravalent cerium; separation; rare earths; [全文内容正在添加中] ......
VOLTAMMETRIC STUDY ON THE REDUCTION OF RARE EARTHS IN ACETONE关福玉,高小霞摘 要:<正> The voltammetric and polarographic behaviours of 14 rare earth elements were investigated in anhydrousacetone.The influence of residual oxygen on their waves was examined.At a concentration lower than 6×10-4mol/L,Eu3+,Yb3+and Sm3+ produce two waves and other rare earth......
Hydrogen Fixation Effect of Rare Earths in Pure Aluminium and Aluminium Alloys李道韫,徐连棠,张会义摘 要:<正> The areal distribution of some elements in the rare... segregated in the phases.Thus the existence of hydrogen-rich rare earthbearing eompounds is confirmed.It indicates that the rare earths have a hydrogen fixation effect in aluminiumand aluminium alloys.
Influence of rare earths on eutectic carbides in AISI M2 high speed steel周雪峰1,殷晓燕1,方峰1,蒋建清11. Jiangsu Key Laboratory of Advanced Metallic Materials, Southeast University摘 要:The effect of rare earths on the morphology and microstructure of eutectic carbides in M2 high speed steel was studied. The results showed that rare earths promoted the formation......
Influence of rare earths on eutectic carbides in AISI M2 high speed steel周雪峰1,殷晓燕1,方峰1,蒋建清11. Jiangsu Key Laboratory of Advanced Metallic Materials, Southeast University摘 要:The effect of rare earths on the morphology and microstructure of eutectic carbides in M2 high speed steel was studied. The results showed that rare earths promoted the formation......
Physiological Effects of Rare Earths on Black Currant Plants刘洪章,李亚东,郝瑞摘 要:PhysiologicalEffectsofRareEarthsonBlackCurrantPlants¥LiuHongzhang(刘洪章),LiYadong(李亚东),HaoRui(郝瑞)(DepartmentofHorticulture,Jili...关键词:......
Application of Rare Earths in Oil Country Tubular Goods林勤,姚庭杰,刘爱生,陈宁,叶文,余宗森,卢先利摘 要:ApplicationofRareEarthsinOilCountryTubularGoodsLinQin(林勤),YaoTingjie(姚庭杰),LiuAisheng(刘爱生)ChenNing(陈宁),YeWen(叶文),YuZongsen(余宗森...关键词:......
Effect of Rare Earths on the Quality of Brush-plated Coating李慕勤,马臣,李木兰,王思康摘 要:EfectofRareEarthsontheQualityofBrushplatedCoatingLiMuqin(李慕勤),MaChen(马臣)(JiamusiInstituteofTechnology,Jiamusi154007,China)Li...关键词:......
Effect of Rare Earths on Tempered Martensite Embritlement of Steel高国忠,贺维勇,高炬,陈继志摘 要:EfectofRareEarthsonTemperedMartensiteEmbritlementofStelGaoGuozhong(高国忠),HeWeiyong(贺维勇),GaoJu(高炬),ChenJizhi(陈继志)(InstituteofM...关键词:......
Distribution and Behaviour of Rare Earths in Laser Coating沈以赴,陈继志,冯钟潮,梁勇摘 要:TherearemanymethodsofaddingREintosteelsurface[1],ofwhichthedifusionpenetrationmethodisanewone.Thelasertreatedsurfacesofbotht...关键词:......