The results show that irradiation of the poor uranium alloy had no remarkable influence on the burning properties of three-combination nitroguanidine propellant.
研究结果表明，贫铀合金辐照对三胍药的燃烧性能无显著影响。
The part two is of oxide characteristics of uranium-niobium alloy.
另一部分是铀铌合金的氧化特性研究工作。
The part two is of oxide characteristics of uranium-niobium alloy.
另一部分是铀铌合金的氧化特性研究工作。
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