High-Grade Gold Results at Hazina Prospect from Maiden Exploration Confirms Strong Gold Prospectivity EcoGraf Ltd. is pleased to announce positive results from the maiden exploration program conducted ...

Ecograf Delivers Gold Results And Strategy Including 4.45 G/T Gold Rock Chip Sample. EcoGraf Limited / Key word(s): Miscellaneous EcoGraf Delivers Gold Results and Strategy including 4.45 g/t Gold ...

Abstract: To address the challenge of low-frequency seismic signal measurement in ultra-deep oil and gas exploration, an inverse filtering-negative feedback low-frequency extension (IF-NF-LFE) method ...

Abstract: At low sampling to fundamental frequency ratios (SFRs), the time delay and current sampling error deteriorate the performances of the current regulator ...

Coral reefs are often described as biodiversity hotspots, but new research shows they also act as powerful regulators of the microscopic life in the surrounding ocean. A new study led by Dr. Herdís G.