[American Institute of Aeronautics and Astronautics 15th AIAA International Space Planes and Hypersonic Systems and Technologies Conference - Dayton, Ohio (28 April 2008 - 01 May 2008)] 15th AIAA International Space Planes and Hypersonic Systems and Technologies Conference - Method for Determination of the Injectant and Species Mass Fractions and Concentration Distributions in Supersonic Turbulent Mixing with a Multi-Species Co-Flow