Sodium azide is the fuel of choice for a number of reasons. It is a solid propellant with a very high gas generation ratio. It is very stable in this application.

钠叠氮化物被选作燃料是有原因的，它是固体的，能够推进产生气体的发生率，并且在应用中非常稳定。

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The method to measure the burning rate coefficient and pressure index of a solid propellant with only one strand is discussed and analyzed, and the measured and processed results are given.

分析讨论了用一根药条测量固体推进剂燃速系数和压力指数的方法，并给出了测量和处理结果。

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It will burn a mixture of solid propellant (HTPB, or hydroxyl-terminated polybutadiene) and liquid oxidiser (high-test peroxide, HTP) for 20 seconds.

它将点燃固体推进燃料(HTPB，或称羟基封端聚丁二烯)和液体氧化剂(高挥发性过氧化物，HTP)的混合物持续20秒。

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Made from carbon fiber, the Vega uses a solid propellant which gives it faster speeds than the Ariane 5.

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The flame from the burning propellant appears as a solid white mark.

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