Matches in DBpedia 2015-10 for { ?s ?p "High Performance Green Propulsion (HPGP) is a rocket propellant developed as a safer alternative to hydrazine. HPGP is based on ammonium dinitramide mixed with ammonia and methanol. Its specific impulse is around 235 seconds. The Prisma mission serves as a demonstrator mission for HPGP."@en }
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- HPGP abstract "High Performance Green Propulsion (HPGP) is a rocket propellant developed as a safer alternative to hydrazine. HPGP is based on ammonium dinitramide mixed with ammonia and methanol. Its specific impulse is around 235 seconds. The Prisma mission serves as a demonstrator mission for HPGP.".
- HPGP comment "High Performance Green Propulsion (HPGP) is a rocket propellant developed as a safer alternative to hydrazine. HPGP is based on ammonium dinitramide mixed with ammonia and methanol. Its specific impulse is around 235 seconds. The Prisma mission serves as a demonstrator mission for HPGP.".