Rare earth (RE) metals
Reclaim of Rare Earth Metals from Bond Magnets by Means of Thermally Activated Semiconductors (TASC)
... atmosphere. Then, the tablet was placed in a mortar and ground easily into powders with a pestle. In this way, we have succeeded in reclaiming rare earth metals from bond magnets. We believe that our ...
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Infrared Polarizabilities of 3d Transition and Rare Earth Metals
... The static polarizabilities ( ω = 0 ) have been calculated for the jellium atoms of the transition metals and the rare earth metals. These are compared with the density functional-based code ...
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Distribution of Rare Earth Metals in Technogenic Wastes of Energy Enterprises (Results of the Laboratory Studies)
... (rare earth metals) between foam and heavier products is going during the flotation process of carbon-containing ash and slag samples without significant ...concentrate rare earth ...
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Analysis of Different Rare Metals, and Rare Earth Metals in Harvested Rain Water in Gaza Strip/Palestine by ICP/MS Data and Health Aspects
... heavy metals (Ba, Cu, Zn, Co, Mn, V, Al, Pb, Cr, Ni, As, U, and Cd) and results showed that 8 trace metals is higher than the allowed WHO limits in drinking ...some rare metals (Rb, Zr, Ti, ...
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Rare earth metals asecofriendly corrosion inhibitors for mild steel in produced water
... of rare earth metals after exposing coupons for 6 days at 25°C are summarized in Table ...of rare earth metals with respect to ...of rare earth metals is low ...
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Heats of solution and related thermochemical properties of some rare earth metals and chlorides
... An isothermally jacketed calorimeter has been constructed to measure the changes in heat content accompanying the solution of some rare earth metals and compounds. To check the performance of the ...
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Study of iron stripping from DEHPA solutions during the process of rare earth metals extraction from phosphoric acid
... Taking into account the resource potential of the Khibiny group of apatite deposits, increasing the depth of processing of these ores for the rare-earth metals (REM) extracting purposes is a ...
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A calculation of the elastic constants of yttrium and the rare earth metals
... the rare earth ...trivalent rare-earth metals as well as for scandium and ...hexagonal rare-earth metals with atomic number was in qualitative agreement with ...
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Thermal expansion of rare earth metals
... the rare earth metals was undertaken as part of a broad program of study of these elements, the ultimate goal being better understanding of metals in ...these metals. The rare ...
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Microlayered Composite Materials on Basis of Copper, Refractory, Rare Earth Metals, and Carbon for Electrical Contacts and Electrodes
... refractory metals (tungsten, molybde- num or chromium) or carbon and moving the substrate out of the zone of vapor flow while it is rotating, it is possible to perform tempering from vapor and obtain materials ...
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Electropolishing the rare earth metals
... Chemical oxidation is the principle method of etching a metal surface for microscopic examination and the rare earths were etched in this manner... At room temperature, the nitric acid-a[r] ...
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Preparation of rare earth metals
... The same experiments using a tantalum or molybdenum vessel showed no detectable contamination of the rare earth metal& Work conducted by Daane 11 at the Ames Laboratory, on methods of we[r] ...
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The ferromagnetic properties of the rare earth metals
... It is to be noted that these absolute saturation moments were obtained using data from the temperature range of 3l0 - 80°K only, and therefore only attempt to point out what the approxim[r] ...
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The heats of combustion of some rare earth metals
... RESULTS OF COMBUSTION OF THE METALS The heat of combustion was determined from the temperature rise of the calorimeter, AT, and the water equivalent, W... where Qc = the heat leakage cor[r] ...
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Automated ultrasound studies of magnetoelastic effects in rare earth metals and alloys
... The aim is to produce an automated ultrasound measurement system which can perform velocity and attenuation measurements as a function of temperature, frequency and applied magnetic fiel[r] ...
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Pentadentate N2O3 Schiff Base Complexes of Rare Earth Metals
... Schiff bases can be considered as a very important class of organic compounds due to their ability to form stable complexes with wide range of transition and rare-earth metal ions in different oxidation ...
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The Market For The "Not-So-Rare" Rare Earth Elements
... of rare earth materials in China and export of those materials outside of China are strictly controlled by government imposed quotas” (Molycorp Minerals, ...use rare earth metals, was ...
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Recovery of Rare Earths from Magnet Sludge by FeCl2
... all rare earth metals are presently pro- duced by the rare earth oxide ...the rare earth chlo- rides to oxychlorides is relatively ...the rare earth ...
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Evidence for replicate 5p core levels in photoelectron spectra of Eu metal due to nonconstant kinetic energy resonant Auger decay
... a rare-earth metal can decay in two principal ways: 共 a 兲 Resonant or nonresonant Auger decay: in the latter case the electron excited upon the 4d-4 f resonance tunnels through the potential barrier, ...
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Extraction of rare earth and heavy metals, using ionic solvents as extraction medium (A Review)
... of rare earth (lanthanides plus Sc and Y) and heavy ...heavy metals are a big problem for industrial companies who want to recycle the waste like mercury or cadmium to be more economically profitable ...
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