Study on Thermal Decomposition Kinetics of Bastnaesite;
氟碳铈矿热分解动力学研究
Application Research on Combined Use of Reagents in Flotation of Bastnaesite;
组合用药及其在氟碳铈矿浮选中的应用
Compositional Variations and Its Implications of a Bastnaesite Crystal,Mianning County, Sichuan Province;
四川冕宁氟碳铈矿晶体的成分变化及其意义
Experimental Research on Flotation Separation of a Bastnasite-Type Rare-Earths Ore;
某氟碳铈矿型稀土矿石的浮选试验研究
Study on Main Extraction Separation Processes for Bastnasite;
氟碳铈矿稀土萃取分离新流程的研究
A Progress of Green Chemistry on the Decomposition and Extraction of Rare Earth from Bastnasite;
氟碳铈矿提取稀土的绿色化学进展
Study on Roast Reaction of Bastnasite Mixed with Sodium Carbonate;
氟碳铈精矿碳酸钠焙烧反应机制
The kinetics curved lines of chlorinating rate on chlorinating rare earth of Weishan mid-grade bastnasite in Shandong after fixed fluorine were determined.
研究了用固氟氯化铵焙烧法分解山东微山中品位氟碳铈精矿回收稀土的氯化率动力学。
A novel process was investigated for extracting rare earth from bastnasite concentrate by chlorination roasting.
研究了氟碳铈精矿经预脱氟后加氯化铵焙烧分解 ,再用热水浸取焙砂从而制取氯化稀土的新工艺。
Meanwhile,technological process of bastnasite spearation RE is achiveed.
根据以轻稀土为主的氯化稀土原料的组成特点 ,针对氟碳铈镧矿 ,应用串级萃取理论原理进行优化设计 ,得到氟碳铈镧矿分离稀土的优化工艺流
Since 1835 when the mineral parisite was discovered, over 150 years have passed.
氟碳钙铈矿从1835年发现至今已有一百五十多年的历史。
The microstructures of parisite and its derived polycrystal in the calcium-rare-earth fluorocarbonate minerals from Southwest China have been studied by means of high resolution transmission electron microscopy (HRTEM)(JEOL- 2000EX and Philips-CM12).
用电子衍射和高分辨电子显微技术研究了钙稀土氟碳酸盐系列矿物中氟碳钙铈矿及其衍生体的微结构,发现了氟碳钙铈矿的6R_2新多型体,确定了其亚结构晶胞呈六方(H)对称,a＇=0。
The microstructural characteristics of parisite occurring in the M rare-earth deposit atChangbei, southwestern Sichuan Province have been studied by electron diffraction analysis andlattice image observation, revealing the stacking sequence of mixed polytypism existing inparisite.
采用CM12透射电镜,对我国四川昌北M稀土矿床中的氟碳钙铈矿微结构特征作了电子衍射分析和晶格象观察,揭示出氟碳钙铈矿晶体中混合多型体的堆垛序列,在不同部分观测到不同的多型体,其中以氟碳钙铈矿6R多型为常见普通多型体。
Study on preparation technology of highpurity ammonium cerium(Ⅳ) nitrate from bastnasite
氟碳铈矿制取高纯硝酸高铈铵的工艺研究
Study on Utilizing Fluorine in Bastnaesite as Resource and Leaching Technique of R.E;
氟碳铈矿中氟的资源化与稀土浸取工艺研究
Bastinazite roasted with Na_2CO_3 and extracted in HNO_3;
氟碳铈矿精矿纯碱焙烧硝酸浸出工艺的探讨
Study on the Joint Determination of Thorium and Rare Earth Eements in Sichuan Hydro-smelting Bastnasite;
四川氟碳铈矿湿法冶炼中钍及稀土的联测方法研究
a yellow trivalent metallic element of the rare earth group; occurs in monazite and bastnasite in association with cerium and lanthanum and praseodymium.
一种稀土属黄色多价元素，与铈、镧、镨共生于独居石和氟碳锑矿中。
THE CHARACTERISTICS AND GENETIC SIGNIFICANCE OF PARISITE IN MESOZOIC VOLCANIC ROCKS OF SONGLIAO BASIN
松辽盆地中生代火山岩中的氟碳钙铈矿特征及成因意义
Synthesis of CeF_3 Nanocrystal and CeF_3 NWs@CNT and the High Pressure Phase Transition of CeF_3 Nanoplates
氟化亚铈纳米晶和碳管包覆氟化亚铈纳米线复合结构的制备及其高压结构相变研究
YTTROCEBERYSITE,A NEW Ce-Be-RICH SILICATE
羟硅铍钇铈矿——一个富铈、铍硅酸盐新矿物
The cerium as solid solute in steel is inclined to collect about cerium carbide.
钢中固溶的铈原子在铈碳化物界面区发生偏聚。
Study on Preparation and Properties of Ceria Supported on Carbon Nanotubes;
碳纳米管负载二氧化铈及其性能研究
a gray lustrous metallic element of the rare earth group; is used in special alloys; occurs in monazite and bastnasite.
一种有光泽的灰色金属元素，稀土属，用于特殊合金中，见于氟碳锑矿或独居石中。
a soft yellowish-white trivalent metallic element of the rare earth group; can be recovered from bastnasite or monazite by an ion-exchange process.
一种软质的黄白色三价金属元素，稀土属，能通过离子交换过程从氟碳锑矿或独居石中重新获
CFC refrigeration fluid
氯氟碳化合物制冷液
non-fully halogenated CFC
非全卤化氯氟碳化合物
chlorofluorocarbon refrigerant
氯氟碳化合物制冷剂
fluorocarbon polymerization
氟碳聚合（有机氟防油树脂的合成工艺）
The results show that using ammonium bicarbonate instead of oxalic acid,high purity cerium oxide product containing CeO 2 of 99% could be obtained.
并用碳铵替代草酸生产 99%的高纯氧化铈产品。
CeO_(2) nano-powders were synthesized by coupling homogeneous precipitation and carbon adsorption(method).
采用均匀沉淀和碳吸附法制备氧化铈纳米粉体。