Rare earth metals(REM)
Study of iron stripping from DEHPA solutions during the process of rare earth metals extraction from phosphoric acid
... During the processing of apatite concentrate, the distribution of REM in solutions of phosphoric acid (15-20%) and solid industrial waste - phosphogypsum (85-80%) occurs. Therein the larger half of more valuable heavy ...
5
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 ...
6
Rare earth metals are essential for the United States military and economic
... are earth metals are essential for the United States’ military and economic ...of rare earths to being completely dependent on one country – China – for its ...the rare earths market will have ...
7
Analysis of Different Rare Metals, and Rare Earth Metals in Harvested Rain Water in Gaza Strip/Palestine by ICP/MS Data and Health Aspects
... different rare metals (Rb, Zr, Ti, Tl, Sb, Sc, Y), and rare earth metals (La, and ...These metals usually have no maximum accepta- ble limits as there is no sufficient data about ...
8
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 ...
84
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 ...
14
Formation of Icosahedral Quasicrystals and 1/1 Crystal Approximants in Al Pd RE (RE: Rare Earth Metals) Systems
... In the present study, we have done further experiments to demonstrate the validity of the formation conditions of the i-phase by replacing Al with Ga, or Sc with other RE (rare earth metals) in the ...
5
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 ...
114
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 ...
15
Effect of Partial Substitutions of Rare earth Metals for Na site on the Thermoelectric Properties of NaxCo2O4 Prepared by the Polymerized Complex Method
... of rare-earth metals becomes smaller with increasing the atomic ...other rare-earth metal ...substitute rare-earth metals for ...
7
Reclaim of Rare Earth Metals from Bond Magnets by Means of Thermally Activated Semiconductors (TASC)
... of rare earths is centered on China and its market share is about 97% in ...of rare earth metals can easily be influenced by political situations and thus unstable at ...the ...
6
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 ...
79
Microlayered Composite Materials on Basis of Copper, Refractory, Rare Earth Metals, and Carbon for Electrical Contacts and Electrodes
... cesses is to press the refractory metals, sinter the pressed porous compact at a high temperature, and infiltrate with copper. Other traditional manufacturing process is hot-pressing of powder mix of refractory ...
10
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] ...
18
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] ...
31
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] ...
60
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] ...
19
The need for reclamation of critical materials, such as rare earth metals
... • Modernize US policies on production, processing, manufacturing., recycling, environmental protection – focus on minerals for military security & strong economy. • Direct DOI to c[r] ...
32
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 ...
5
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] ...
161