refined

"We refined our algorithms and used them to do a very detailed analysis of the metallic phase and oxide phase driving this very complex reaction."

Russia, Greece and the United States were the top providers of refined petroleum products -- with the US standing out as the sole supplier of JP-8, a jet-fuel blend designed for military aircraft.

Sharp believes these refined models could also help scientists better understand ancient climate behavior.

“Portrait of a Court Lady,” acquired in 2013, shows the nearly life-size image of a refined gentlewoman seated on a garden terrace.

State media says Bamako is negotiating with Moscow for both refined petroleum imports and technical assistance to secure transport routes.