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- mixed rare earth concentrate 混合稀土精矿
- The thermal decomposition of mixed rare earth carbonate in roasting is studied by the techonology of DTA analysis. 用DTA热分析技术研究混合碳酸稀土焙烧过程中的脱水过程、分解过程。
- A flow injection standard addition method applied to ICP--AES is described for the analysis of mixed rare earth samples. 本文研究了流动注射-等离子体-原子发射光谱法中的标准加入法,以及在混合稀土分析中的应用。
- The P(MMA-co-St) materials doped with mixed rare earth emit strong characteristic absorption of Re??3+? ion in ?746.5,?581,525 and 513 nm. 掺混合稀土的改性材料在746.;5;581;525和513nm处出现很强的Nd3+特征吸收;
- Abstract： Separation of Y3+ from mixed rare earth chloride by solvent extraction with Naphthenic acid-petroleum sulphoxide has been studied. 摘 要： 进行了用环烷酸石油亚砜从混合氯化稀土溶液中萃取分离钇的研究。
- Separation of Y3+ from mixed rare earth chloride by solventextraction with Naphthenic acid-petroleum sulphoxide has been studied. 进行了用环烷酸石油亚砜从混合氯化稀土溶液中萃取分离钇的研究。
- It is shown that the mixed rare earth carbonate is superior to pure cerium oxide and reduces the cost of decoloring agent by 50%. 表明采用混合碳酸稀土作玻璃脱色剂可获得良好的脱色效果并使脱色成本降低50%25。
- And then,more detail synthesis conditions of tributyl citrate were examined with mixed rare earth chlorides as catalyst,hence a suitable technology was proposed. 为此，系统地研究了混合氯化稀土催化合成柠檬酸三丁酯的工艺条件，确定了合适的工艺流程。
- By adopting deoxidization halting method,this paper studies the effect of the reductive courses and properties by mixing rare earth into doped tungsten oxide. 利用中止还原的方法,研究了稀土元素对掺杂钨粉还原过程及其性能的影响。
- The new photometry for determination of hydroxyl radocals by using the reaction between the mixed rare earths and trace H 2O 2 has been established in this paper. 利用混合稀土与微量过氧化氢催化氧化二苯基碳酰肼,建立了萃取-催化氧化光度法测定过氧化氢的羟基自由基的新方法。
- Keywords baotou rare earth concentrate;fixing fluorine;chlorinating;rare earth; 混合型稀土精矿;固氟;氯化铵;稀土;
- mixed rare earth cobalt permanent magnet 混合稀土钴永磁材料
- mixed rare earth metal and compound 混合稀土金属及其化合物
- Methods HEL cells were incubated with chrysotile which was pretreated by soaking in aluminium citrate,mixed rare earths or sodium selenite solutions at different concentrations for 1 hour. 方法用不同浓度的柠檬酸铝、混合稀土或亚硒酸钠溶液浸泡温石棉1小时后，再将其与HEL细胞共同孵育，通过3H－TdR掺入法，测定了HEL细胞的UDS。
- rare earth concentrates containing fluorine 含氟稀土精矿
- Baotou rare earth concentrate high-temperature calcinations and acid leach experiment 包头稀土精矿高温焙烧及酸溶试验研究
- Studies on Carbon-thermal Reduction Process of Rare Earth Concentrate with High Content of Phosphorus 高磷稀土精矿的碳热还原过程研究
- Diels-Alder Reactions Catalyzed by the Mixed Rare Earth Chlorides 混合稀土氯化物催化的Diels-Alder反应
- Technological Research on Roast of Baotou Rare Earth Concentrate Added by Calcium Oxide 包头稀土精矿添加氧化钙焙烧工艺研究
- Keywords mixed rare earth nitrates;catalysis;glyceryl triacetate; 混合稀土硝酸盐;催化合成;三醋酸甘油酯;
