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- The paper described the development of a La-Mg-Si-Fe nodulizer alloy from the ion-absorbed rare earth ore of Jiangxi province. 论述利用江西省离子吸附稀土矿研制镧镁硅铁合金-镧镁球化剂的概况。
- The contents related in this present work include chemical reactions and physical changes for decomposing rare earth ore and extracting REO from the ore. 本文讨论了稀土矿物分解以及从中提取稀土的基本化学反应和反应过程中稀土的物理状态变化。
- Leaves of Dicranopteris dichotoma collected from a rare earth ore area and two control areas were separated into ether fractions,water fractions,base fractions and residues. 从稀土矿区和非矿区采集的稀土超量积累植物铁芒萁的叶片分离成醚溶物、水溶物、碱溶物和残余物四个组分。
- Based on the characteristics of Mianning rare earth ore, technological conditions and pricinples of extracting cerium from the ore using oxidizing-roasting-chemical method were studied. 本研究针对冕宁稀土矿特点,详细研究了氧化焙烧化学法提铈诸多工艺条件、工艺原理。
- Based on the characteristics of Mianning rare earth ore, technological conditions and pricinples of extracting cerium from the ore using oxidizing roasting chemical method were studied. 本研究针对冕宁稀土矿特点,详细研究了氧化焙烧化学法提铈诸多工艺条件、工艺原理。
- Keywords rare earth ore;bastnasite;ore slurry;comprehensive utilization; 稀土矿;氟碳铈矿;矿泥;综合利用;
- Improved wastewater treatment of rare earth ore by means of chemical precipitation-stripping 化学沉淀-吹脱法处理稀土精矿废水
- Keywords weathered crust rare earth ore;leach;metallogeny;rare earths; 风化壳淋积型稀土矿;浸出;矿物学;稀土;
- It was in the days when motorcars were rare. 那是在汽车还罕见的时代。
- Research Progress and Developing Orientation of Chemical Extraction Technology of Weathing Crust Strain Amass-type Rare Earth Ore 风化壳淋积型稀土矿的化学提取技术研究进展及发展方向
- Our pilotless rocket enters the track of the earth. 我们把一个无人驾驶的火箭送入了地球的轨道里。
- Study on the Ion Exchange Property of Rare Earth Ions in tbe Ion Adsorption Type Heavy Rare Earth Ore and Its Affe Factors 离子吸附型重稀土矿中稀土离子的交换性能和影响因素
- A top hat is a rare sight these days. 高顶大礼帽现在已不多见。
- I must admit I am very fond of collect rare book. 我得承认我很喜欢海内珍本。
- The attraction of the moon for the earth causes the tides. 月球对地球的吸引力造成潮汐。
- It's very rare for him to be so late. 他很少迟到。
- The earth is only a speck in the universe. 地球在宇宙中只不过是一个小点罢了。
- Red squirrels are now very rare in Britain. 红色的松鼠在英国已十分罕见了。
- The white-lipped deer are rare in this area. 白唇鹿在这个地区很罕见。
- How on earth do they manage to rob the bank? 他们到底怎么抢了银行的?