Results 61 to 70 of about 196,302 (193)
Precious Metal Price Prediction Based on Deep Regularization Self-Attention Regression
IEEE Access, 2020 It is non-trivial to predict the prices of precious metals since a number of factors can affect the fluctuations of precious metal prices. Either parametric models or machine learning models cannot accurately forecast the precious metal prices.
Junhao Zhou +6 more
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Technique for microswitch manufacture [PDF]
A five-step technique for microswitch manufacture is described: (1) A clad board is inlaid with a precious metal and the board is pressed. (2) One end of the fixed contact containing a precious metal inlay section is curved, and this edge of the precious
Kitamura, T., Kiyoyama, S.
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Removal of cytostatic platinum compounds and recovery of precious metal from aqueous wastestream [PDF]
, 2013 Over the last decades, a strong antropogenic increase in platinum concentrations in the environment is observed. While catalytic converters used in cars and industry contribute to elevated levels in vegetation and soils, hospitals intensely discard ...
Du Laing, Gijs, Folens, Karel
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Applications of low temperature CO-oxidation catalysts to breathable gases [PDF]
Modifications of tin oxide/precious metal catalysts described for use in CO2 lasers have also been developed for use in other applications; namely, as low temperature CO oxidation components in fire escape hoods/masks for mines, aircrafts, hotels, and ...
Noordally, Ehsan, Richmond, John R.
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Pirometalurška obdelava katalizatorja z vsebnostjo srebra [PDF]
, 2018 The following article describes the thermal process for the recovery of used silver from Ag catalysts using an 80-kVA plasma reactor, along with an appropriate flux and reducing agent.
Kurilla, Peter +3 more
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Plume genesis of non-kimberlite diamonds
Литосфера, 2015 Calculations shown that a relatively low-temperature kimberlite magmas consolidated with decompression exploded on significant depth and formed pipes.
V. S. Shkodzinskiy
doaj +2 more sources
The Macroeconomic Determinants of Volatility in Precious Metals Markets [PDF]
We investigate key macroeconomic factors that impact the price returns of precious metals markets. The markets investigated were gold, silver, platinum and palladium; whereas the macroeconomic factors accommodated business cycle, monetary environment and
Jonathan A. Batten, Cetin Ciner and Brian M. Lucey
core
Ordered mesoporous porphyrinic carbons with very high electrocatalytic activity for the oxygen reduction reaction [PDF]
, 2013 The high cost of the platinum-based cathode catalysts for the oxygen reduction reaction (ORR) has impeded the widespread application of polymer electrolyte fuel cells.
Adzic, Radoslav R. +13 more
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MoleculesTwo bis-cyclometalated heteroleptic iridium complexes incorporating 1-phenylisoquinoline (piq) as the main cyclometalating ligand and 3-hydroxy-2-methyl-4-pyrone (ma) or 2-ethyl-3-hydroxy-4H-pyran-4-one (ema) as the auxiliary ligand, namely Ir(piq)2(ma) (
Wen Jiang +6 more
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A Study of Ineffective Investment Trust and Precious Metal Mining Issues [PDF]
, 1937 Inobject/target reconstruction and recognition based on laser radar data, the range value's accuracy is important. The range data accuracy depends on the accuracy in the laser radar's detector, especially the algorithm used for time-of-flight estimation.
Chevalier, Tomas +3 more
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