Results 51 to 60 of about 196,302 (193)

Structural transformations of the economy in the Pacific Region of Russia and efficiency trends [PDF]

open access: yes, 2016
Pacific Russia is viewed as an aqua-territorial macro-region that encompasses the Far Eastern Federal District and the adjacent water area within the 200-mile maritime economic zone.
Baklanov, P. Ya., Moshkov, A. V.
core   +2 more sources

FePt granular films with rare earth element oxides as ferromagnetic grain boundary materials [PDF]

open access: yesAIP Advances
In this paper, systematic investigation results of nanostructure, magnetic properties and thermal properties of FePt-ferromagnetic grain boundary material granular films is reported. We used Fe3O4, Nd2O3, Sm2O3, Tb4O7, Eu2O3, CeO2, Gd2O3 as ferromagnetic
Daiki Miyazaki   +2 more
doaj   +1 more source

Silver-palladium braze alloy recovered from masking materials [PDF]

open access: yes, 1966
Method for recovering powdered silver-palladium braze alloy from an acrylic spray binder and rubber masking adhesive used in spray brazing is devised. The process involves agitation and dissolution of masking materials and recovery of suspended precious ...
Cierniak, R., Colman, G., De Carlo, F.
core   +1 more source

Risk management of precious metals [PDF]

open access: yes
This paper examines volatility and correlation dynamics in price returns of gold, silver, platinum and palladium, and explores the corresponding risk management implications for market risk and hedging. Value-at-Risk (VaR) is used to analyze the downside
Hammoudeh, S.M.   +2 more
core   +4 more sources

Effect of rare earth elements substitution in FePt-C granular films on magnetic properties and nanostructure [PDF]

open access: yesAIP Advances
Investigation of nanostructure, magnetic properties, and blocking temperature (Tb) of typical FePt-C granular films substituted with rare earth (RE) elements such as Gd, Tb, and Ho is reported.
Kim Kong Tham   +2 more
doaj   +1 more source

Not-so-precious metal [PDF]

open access: yes
Silver ; Silver ...
William Burke
core  

Phillips CO-oxidation catalyts for long-lived CO2 lasers: Activity and initial characterization studies [PDF]

open access: yes
Four different catalysts have been developed specifically for use in sealed carbon dioxide lasers. The catalysts have been designed to be low dusting, stable to shock and vibration, have high activity at low temperatures and have long active lifetimes ...
Elliott, D. J.   +2 more
core   +1 more source

Genesis of crystalline crust and lithosphere of ancient platforms according to data on the hot heterogeneous accretion of the Earth

open access: yesЛитосфера, 2017
Compositions of gneisses from the Early Precambrian crystalline complexes of the Aldan shield and of mantle xenoliths from kimberlites plot along the magmatic fractionation trends.
Vladimir S. Shkodzinskii
doaj   +2 more sources

Design investigation and development of design improvements for ST124-M stabilized platform slip ring capsules Final report [PDF]

open access: yes
Eliminating insulating deposits on precious metal contacts in stabilized platform slip ring ...
Cole, S. R., Glossbrenner, E. W.
core   +1 more source

Influencing factors and countermeasures of aging and yellowing on windshield rubber in high-speed train [PDF]

open access: yesRailway Sciences
PurposeRegarding that Ultraviolet radiation, pollutant adsorption, and environmental changes may be the main reasons for the aging and yellowing on windshield rubber in high-speed trains, countermeasures are proposed to solve the aging and yellowing of ...
Wei Du
doaj   +1 more source

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