Prices have soared: the cost of cerium oxide (often used as a catalyst) has increased sixfold since the start of the year, and is 20 times higher than in 2005.
His administrations now say they see European states not as a focus for policy, but partners who can help change the world: a catalyst for change is the phrase being used.
Revolutionizing Prosthetics 2009 program, relies on a modified miniature version of the same rocket motors the space shuttle uses to reposition itself in space: hydrogen peroxide is burned in the presence of a catalyst to produce pure steam, which is then used to move the arm.