The resulting liquid can be blended at various concentrations into gasoline, diesel and jet fuels without negatively affecting engine performance. (sciencedaily.com)
They found that the chemical significantly increased damage to DNA (which triggers cell mutation and cancer) when it was added to the cells in various concentrations. (naturallysavvy.com)
This course will show you how to figure out the correct doses of medications from various concentrations of the drug. (careertoolkit.com)