独居石

dú jū shí
  • Monazite;edwardite;eremite;urdite;edwardsite
独居石独居石
独居石[dú jū shí]
  1. 矿物的晶体结构与独居石相同,X射线粉晶衍射数据亦相近似,该矿物是次生成因的。

    Their X-ray powder diffraction data ( except for intensity ) are approximately the same . The mineral may be of secondary origin .

  2. 矿体呈层状,平均厚0.92-1.66m,锡石平均品位632~1229g/m3。伴生锆石、独居石。

    The body is in stratiform with an aVerage thickness of 0.92-1.66 m and a mean grade of 632-1229g / cm3 . Zircon and monazite are the associated minerals in the deposit .

  3. CaO-NaCl焙烧分解独居石的研究

    Study of Roasting Decomposition of Monazite in CaO - NaCl

  4. 用XRD和TGDTA热分析技术,研究了含独居石和氟碳铈镧矿的混合稀土精矿在100~1000℃焙烧过程中,添加CaO,NaCl时,REPO4和REFCO3的分解反应。

    The reaction of the mixed rare earth concentrate including monazite ( REPO_4 ) and bastnaesite ( REFCO_3 ) decomposed by CaO and NaCl additives in the temperature of 100 ~ 1000 ℃ was studied by means of XRD and TG-DTA .

  5. 递增变质作用形成的变质岩中含有丰富的独居石副矿物,而且Th-U-Pb含量比较高,适合电子探针独居石化学法定年。

    There are abundant accessory minerals-monazite with high content of Th-U-Pb in rocks formed by such progressive metamorphism .

  6. 磷钇矿和独居石的U-Pb定年结果表明,成矿年代为112~97Ma,成矿作用可能持续了16Ma以上。

    According to U-Pb dating on xenotime and monazite , the mineralization took place during 112 to 97 Ma and last for at least 16 million years .

  7. 电子探针独居石Th-U-Pb化学法定年是近年来发展起来新的定年方法。

    Electron-microprobe Th-U-Pb chemical age determination of monazite is a new in-situ geochronological method developed over the last few years .

  8. 水洗氟碳铈-独居石混合精矿的焙砂,过滤并在空气中固化得到氯化产物,在550℃,O2+H2O气氛下氧化反应90min,实现稀土元素和非稀土元素、铈和非铈稀土元素的分离。

    The subsequent oxidation of the solid chloride mixture in the wet air at 550 ℃ for 90 min may result in the separation of rare earth elements and non-rare earth elements , and the separation of Ce and non-Ce elements .

  9. 独居石具有十分特征的拉曼和红外光谱,特别是PO3-4在拉曼光谱中的υ1、υ3谱带和在红外光谱中的υ1、υ4谱带是独居石区别其它磷酸盐矿物的重要标志。

    The monazites have marked spectral characteristics , especially their υ 1 , υ 3 Raman bands and υ 1 , υ 4 infrared absorption bands . The characteristics can distinguish between monazite and other phosphate minerals .

  10. 独居石与氟碳铈矿浮选分离新工艺的研究表明,以单烷基磷酸酯(P538)作捕收剂,柠檬酸作调整剂,能有效地使独居石与氟碳铈矿浮选分离。

    In this paper a new technique for separating monazite from bastnaesite by flotation is described . The results show that the separation of monazite from bastnaesite can be effectively realized with mono-alkyl ester phosphoric acid as a collector and citric acid as a regulato (?)

  11. 我国首次发现的钕独居石

    The first discovery of monazite - ( nd ) in China

  12. 白云鄂博独居石的光致发光谱和吸收谱研究

    Study on Visible Photoluminescence and Absorption Spectra of Monazite in Bayan Obo

  13. 氟碳铈矿-独居石混合精矿分离提取稀土元素

    Rare Earth Extraction and Separation from Bastnaesite-Monazite Mixed Concentrate by Chemical Vapor Transport

  14. 氟碳铈-独居石混合矿中钍的分离

    Separation of Thorium From Mixed Bastnaesite - Monazite Concentrate

  15. 氧化钙分解人造独居石的反应机理

    Reaction Mechanism of Synthetic Monazite Decomposed by CaO

  16. 轻稀土元素主要赋存于褐帘石和独居石中,重稀土元素主要赋存于褐钇铌矿等矿物中。

    LREE are mainly in orthite and monazite , HREE are mainly in fergusonite etc.

  17. 独居石的电子探针钍-铀-铅化学测年

    Th-U-TPb Chemical Dating of Monazite by Electron Probe

  18. 独居石中铀铁钍稀土萃取分离的研究

    Extraction-separation process for u , fe , th and rare earth elements in monazite

  19. 海滨砂矿选钛尾矿中独居石和锆石与钛铁矿的分离研究

    Research on separation technology of monazite and zircon from ilmenite in the beach placer ilmenite

  20. 海滨砂矿中钛铁矿、金红石、独居石与锆英石浮选分离的研究

    Research on flotation separation of ilmenite , rutile , monazite and zircon from beach placer

  21. 大连地区前寒武纪沉积岩中发现自生独居石及其意义

    Discovery of Authigenic Rare Earth Mineral-Monazite in Precambrian Sedimentary Rock of Dalian Area and its Significance

  22. 阿尔泰202号伟晶岩脉中的富钍独居石

    Th-rich monazite in Altai pegmatite No.202

  23. 独居石中钍的极谱滴定

    POLAROMETRIC titration of thorium in monazite

  24. 用薄层层析法分离、测定独居石中各轻稀土元素的研究

    Separation and Quantitative Determination of various Cerium Sub-group Elements in Monazite Sand by Thin-layer Chromatography and Densitometric Method

  25. 岩浆形成后还可能发生过斜长石、锆石、磷灰石、独居石、褐帘石等副矿物的结晶分离。

    Moreover , the fractionation of plagioclase and accessory minerals such as zircon , apatite , monazite and allanite occured .

  26. 可见光吸收谱表明独居石对可见光的吸收也与矿物中的Nd3+有关,Nd3+的吸收是独居石呈色的根源。

    The absorption spectra indicate that the color of the mineral also stem from absorption transitions of Nd 3 + .

  27. 脉石矿物主要为石英,还有磷灰石、独居石、绿泥石、高岭石和金红石等。

    Gangue minerals are mainly quartz , as well as apatite , monazite , chlorite , kaolinite , and rutile .

  28. 本文介绍对运输稀土精矿(氟碳铈镧-独居石)的全钢敞车表面放射性污染水平的监测结果。

    This paper presents monitoring results of radioactive contamination level of steel open wagon surface resulted from transporting fine rare earth minerals .

  29. 稀土属金属元素,用于激光中,见于磷灰石、独居石、磷钇矿和硅铍钇矿中。

    A metallic element of the rare earth group ; used in lasers ; occurs in apatite and monazite and xenotime and ytterbite .

  30. 本文对包头矿(氟碳铈矿和独居石)在萃取分离稀土工业中所产生的氯化铵废水进行了分类。

    This paper classified the Ammonium chloride waste water in the extraction and separation of Baotou Rare Earth ores ( Bastnasite and Monazite ) .