Artículos con la etiqueta ‘uranio’

The End of Cheap Uranium

Por • 30 jun, 2011 • Category: Ambiente

Historic data from many countries demonstrate that on average no more than 50-70% of the uranium in a deposit could be mined. An analysis of more recent data from Canada and Australia leads to a mining model with an average deposit extraction lifetime of 10+- 2 years. This simple model provides an accurate description of the extractable amount of uranium for the recent mining operations.

Obama draws line on Iran policy

Por • 8 sep, 2010 • Category: Internacionales

United States President Barack Obama’s refusal in a White House briefing this month to announce a «red line» in regard to Iran’s nuclear program represented another in a series of rebuffs of pressure from Defense Secretary Robert Gates for a statement that the US will not accept its existing stocks of low enriched uranium.