Works matching DE "TANTALITE"
Results: 34
Simultaneous determination of tantalum, niobium, thorium and uranium in placer columbite-tantalite deposits from the Akim Oda District of Ghana by epithermal instrumental neutron activation analysis.
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- Journal of Radioanalytical & Nuclear Chemistry, 2005, v. 265, n. 1, p. 53, doi. 10.1007/s10967-005-0860-0
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Effects of columbite/tantalite (COLTAN) mining activities on water quality in Edege-Mbeki mining district of Nasarawa state, North Central Nigeria.
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- Bulletin of the National Research Centre, 2019, v. 43, n. 1, p. N.PAG, doi. 10.1186/s42269-019-0237-0
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ELECTRONIC STRUCTURE AND OPTICAL PROPERTIES OF A PHOTOLUMINESCENT TANTALITE:: EuKNaTaO<sub>5</sub>.
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- International Journal of Modern Physics C: Computational Physics & Physical Computation, 2011, v. 22, n. 3, p. 263, doi. 10.1142/S0129183111016208
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The effect of phosphorus on manganocolumbite and mangaotantalite solubility in peralkaline to peraluminous granitic melts.
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- American Mineralogist, 2016, v. 101, n. 2, p. 415, doi. 10.2138/am-2016-5424
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Tantalite treatment process at the Congo deposit and columbite at the Zashikhinsk deposit.
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- Theoretical Foundations of Chemical Engineering, 2016, v. 50, n. 4, p. 547, doi. 10.1134/S0040579516040175
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Purification of niobium from antimony by the extraction with tributylphosphate.
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- Theoretical Foundations of Chemical Engineering, 2015, v. 49, n. 4, p. 536, doi. 10.1134/S0040579515040156
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Democratic Republic of Congo.
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- Africa Research Bulletin: Economic, Financial & Technical Series, 2007, v. 44, n. 8, p. 17533, doi. 10.1111/j.1467-6346.2007.01175.x
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COLTAN.
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- Africa Research Bulletin: Economic, Financial & Technical Series, 2004, v. 41, n. 7, p. 16203
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Columbit-tantalit z pegmatitu pri Ráztočne v pohorí žiar (stredné Slovensko).
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- Bulletin Mineralogicko-Petrologickeho Oddeleni Narodniho Muzea v Praze, 2008, v. 16, n. 1, p. 109
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Geology, market and supply chain of niobium and tantalum-a review.
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- Mineralium Deposita, 2014, v. 49, n. 8, p. 1025, doi. 10.1007/s00126-014-0551-2
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The Kenticha rare-element pegmatite, Ethiopia: internal differentiation, U–Pb age and Ta mineralization.
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- Mineralium Deposita, 2009, v. 44, n. 7, p. 723
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Tantalite-(Mn) from the Borborema Pegmatite Province, northeastern Brazil: conditions of formation and melt- and fluid-inclusion constraints on experimental studies.
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- Mineralium Deposita, 2011, v. 46, n. 7, p. 749, doi. 10.1007/s00126-011-0344-9
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The Kenticha rare-element pegmatite, Ethiopia: internal differentiation, U–Pb age and Ta mineralization.
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- Mineralium Deposita, 2009, v. 44, n. 7, p. 723
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Gamma radioactivity levels and their corresponding external exposure of soil samples from tantalite mining areas in Oke-Ogun, South-Western Nigeria.
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- Radioprotection (EDP Sciences), 2012, v. 47, n. 2, p. 243, doi. 10.1051/radiopro/2012003
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Tantalite exploration in "Block-A" of Uis region, Namibia.
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- Trabajos de Geologia, 2007, v. 27, p. 41
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Decomposition of the Kenticha mangano-tantalite ore by HF/H<sub>2</sub>SO<sub>4</sub> and KOH fusion.
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- Physicochemical Problems of Mineral Processing, 2018, v. 54, n. 2, p. 406, doi. 10.5277/ppmp1840
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A novel orange–red emitting phosphor Sr<sub>2</sub>LuTaO<sub>6</sub>:Sm<sup>3+</sup> for WLEDs.
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- Journal of Materials Science: Materials in Electronics, 2019, v. 30, n. 10, p. 9303, doi. 10.1007/s10854-019-01260-w
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Broadband infrared light source by simultaneous parametric down-conversion.
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- Scientific Reports, 2021, v. 11, n. 1, p. 1, doi. 10.1038/s41598-021-97531-w
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Complex magmatic and subsolidus compositional trends of columbite-tantalite in the beryl-columbite ejby granitic pegmatite, Czech Republic: role of crystal-structural constraints and associated minerals.
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- Journal of Geosciences, 2018, v. 63, n. 3, p. 253, doi. 10.3190/jgeosci.269
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22nd Rochester Mineralogical Symposium.
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- Rocks & Minerals, 1996, v. 71, n. 3, p. 193
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Dating of Columbite-tantalite and Monazite from Pegmatites of the Kawadgaon-Challanpara Area, Bastar Craton, Central India.
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- Journal of the Geological Society of India, 2018, v. 92, n. 1, p. 7, doi. 10.1007/s12594-018-0946-2
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The mechanism of structural and chemical transformations of tantalite, columbite, and zircon surfaces in the process of acid and electrochemical treatment of mineral suspensions.
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- Doklady Earth Sciences, 2017, v. 473, n. 2, p. 472, doi. 10.1134/S1028334X1704016X
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Save me! Save the Coltan you mean!
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- Peace & Conflict Monitor, 2006, p. 2
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Assessing the need for radiation protection measures in artisanal and small scale mining of tantalite in Oke-Ogun, Oyo State, Nigeria.
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- Journal of Nigerian Society of Physical Sciences, 2022, v. 4, n. 3, p. 1, doi. 10.46481/jnsps.2022.699
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Dielectric response of disordered Pb(Sc1/2Ta1/2)O3 single crystal under hydrostatic pressure.
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- Phase Transitions, 2008, v. 81, n. 11/12, p. 987, doi. 10.1080/01411590802457771
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Divalent Impurity Ions in Potassium Tantalate Studied by EPR.
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- Ferroelectrics, 2004, v. 302, n. 1, p. 445, doi. 10.1080/00150190490453694
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Quadratic spatial solitons generated in periodically poled lithium tantalite.
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- Optical Engineering, 2013, v. 52, n. 8, p. 1, doi. 10.1117/1.OE.52.8.087103
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Assessment of artisan's exposure to heavy metals from tantalite ore mining sites in Oke-Ogun, Oyo State, Nigeria.
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- Radiation Protection & Environment, 2018, v. 41, n. 4, p. 181, doi. 10.4103/rpe.RPE_57_18
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A DROPPED CALL: HOW IMPORT POLICIES FAIL TO CURB THE CONGOLESE COLTAN CONFLICT.
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- Applied Anthropologist, 2014, v. 34, n. 1/2, p. 36
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Optical Properties of Mg, Fe, Co-Doped Near-Stoichiometric LiTaO<sub>3</sub> Single Crystals.
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- Materials (1996-1944), 2012, v. 5, n. 6, p. 227, doi. 10.3390/ma5020227
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Mineralogy and geochemistry of Nb-, Ta-, Sn-, U-, Th-, and Zr-bearing granitic rocks from Abu Rusheid shear zones, South Eastern Desert, Egypt.
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- Chinese Journal of Geochemistry, 2011, v. 30, n. 2, p. 226, doi. 10.1007/s11631-011-0505-7
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GEOLOGY OF THE CASSITERITE MINERALISATION IN THE RUTONGO AREA, RWANDA (CENTRAL AFRICA): CURRENT STATE OF KNOWLEDGE.
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- Geologica Belgica, 2010, v. 13, n. 1/2, p. 91
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面向集装箱安检应用的 Mg<sub>4</sub>Ta<sub>2</sub>O<sub>9</sub> 闪烁晶体及其掺杂改性.
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- Journal of Synthetic Crystals, 2021, v. 50, n. 10, p. 1870
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Tantalite-(Mn) from Grangal, Nuristan, Afghanistan.
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- Journal of Gemmology, 2016, v. 35, n. 2, p. 111
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