Results 171 to 180 of about 390,267 (306)

Copper Tolerance of Novel Rhodotorula sp. Yeast Isolated from Gold Mining Ore in Gia Lai, Vietnam. [PDF]

open access: yesMycobiology, 2023
Thi Nguyen KC   +7 more
europepmc   +1 more source

Point and Risk estImation Using an enSemble of Models for Nowcasting: PRISM‐Now

open access: yesJournal of Forecasting, EarlyView.
ABSTRACT We propose PRISM‐Now, a novel ensemble forecasting system for near‐term GDP projection. Recognizing that relevant economic information evolves over time, we treat forecasts from multiple base models as draws from a mixture distribution of “good” and “bad” estimates, whose composition changes continuously and cannot be identified ex ante.
Beomseok Seo, Hyungbae Cho, Dongjae Lee
wiley   +1 more source

Replacement of Ores Recorded by Textures and Chemical Compositions of Sphalerite: An Example From the Furutobe Kuroko Deposit, Akita, Japan

open access: yesGeological Journal, EarlyView.
Coupled dissolution‐reprecipitation of early formed Cd‐, Fe‐, Ag‐ and Sb‐poor sphalerite through interaction with high‐temperature and high‐sulphur fugacity Cu‐rich fluids, responsible for the formation of the yellow ores, resulted in the formation of Cd‐, Fe‐, Ag‐ and Sb‐rich, heavily chalcopyrite‐diseased sphalerite and enrichment of critical metals ...
Manuel Nopeia   +4 more
wiley   +1 more source

Anterior abdominal wall agenesis associated with cardiac exstrophy and macrocephaly in a gold mining area of the Democratic Republic of the Congo: management and prognosis in a resource-limited area. [PDF]

open access: yesMatern Health Neonatol Perinatol
Birindwa EK   +14 more
europepmc   +1 more source

Notable Impact of Paleotectonic Stress on Gold Mineralisation in the West Qinling Orogen

open access: yesGeological Journal, EarlyView.
By applying fuzzy clustering and multiple inverse methods, we systematically processed the data of vein and fault slip in this ore deposit to reveal the transition of orogenic geological environment and paleotectonic stress field. Our research results show two different stress states: the northwest–southeast extensional stress field and the northeast ...
Hongyan Wang   +3 more
wiley   +1 more source

Assessing the impact of Ghana's geology on gold mining using geospatial techniques. [PDF]

open access: yesHeliyon
Tetteh AT   +4 more
europepmc   +1 more source

Mercury poisoning from artisanal gold mining equipment. [PDF]

open access: yesRadiol Case Rep, 2023
Waack A, Ranabothu M, Vattipally V.
europepmc   +1 more source

Kryptonite for Cryptocurrencies? What Are the Effects of Regulatory Controls on Bitcoin Returns and Volatility?

open access: yesInternational Journal of Finance &Economics, EarlyView.
ABSTRACT This paper examines the impact of regulatory controls on Bitcoin's excess returns and volatility. The paper innovates by proxying changes in the regulatory environment using global Google search volume intensity data. The generated regulatory indices accurately identify episodes of regulatory tightening within cryptocurrency markets.
Robert Mullings
wiley   +1 more source

Home - About - Disclaimer - Privacy