Results 81 to 90 of about 1,492,330 (159)
Ferric chloride leaching of the Delta sulfide ores and gold extraction from the leaching residue [PDF]
, 1988 Conventional differential and bulk flotation processes have difficulties in achieving high recoveries with acceptable grades far zinc, lead and copper from the complex sulfide ores found at Tok, Alaska.
Lin, H.K., Rao, P.D.
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Emerging from the war: Gold Standard mentality, current accounts and the international business cycle 1885-1939 [PDF]
We study international business cycles and capital flows in the UK, the United States and the Emerging Periphery in the period 1885-1939. Based on the same set of parameters, our model explains current account dynamics under both the Classical Gold ...
Mathias Hoffmann, Ulrich Woitek
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Monetary reform in times of Charles II (1679-1686): aspects concerning the issued dispositions [PDF]
, 2006 During the reign of Carlos II drastic monetary reform was carried out, which once and for all ended the tremendous monetary instability that took place in Castile throughout the whole Seventeenth century.
Font de Villanueva, Cecilia
core +1 more source
Bow-Tie Cavity for Terahertz Radiation
, 2018 We report on the development, testing, and performance analysis of a bow-tie resonant cavity for terahertz (THz) radiation, injected with a continuous-wave 2.55 THz quantum cascade laser.
Bartalini, Saverio +5 more
core +1 more source
The OA Effect - Value of Gold Open Access
, 2022 At Springer Nature, we see full (Gold) OA as the best, most complete and most sustainable route to achieving the goal of having all primary research immediately available. It is why, over the past twenty years, we have put transitioning to full OA for all of the primary research we publish at the heart of our business.
openaire +1 more source
Analysis of Salt Tolerance of ‘Golden Gold’ Peach Varieties
AgronomyIn this study, the salt tolerance of yellow peach varieties (‘Golden gold’) was identified and analyzed in order to determine varieties with excellent resistance.
Yang Li +7 more
doaj +1 more source
Did Gold Remain Relevant in the Post-1971 International Monetary System? [PDF]
, 2012 The central hypothesis to be tested is the relevance of gold in the determination of the value of the US dollar as an international reserve currency after 1971. In the first section the market value of the US dollar is analysed by looking at new forms of
Loranger, Jean-Guy
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BMC Research NotesObjective To evaluate the diagnostic accuracy of anti-Mycobacterial Protein 51 (MPT51) antibodies in latent Tuberculosis (TB) detection among asymptomatic Human Immune Virus (HIV) positive individuals using Interferon Gamma Release Assay (IGRA ...
Josephine Victo Namugga +4 more
doaj +1 more source
Investor Behavior in Gold, US Dollars and Cryptocurrency during Global Pandemics
EconomiesCOVID-19 and SARS are epidemics which have influenced the largest global economic crisis in recent years. This research reveals that both SARS and COVID-19 have led to fluctuations in the prices of gold and the US dollar index; however, there is no ...
Yoochan Kim +3 more
doaj +1 more source