This paper presents a method of characteristic viscosity for evaluating reliability of double-base solid propellant through researching its ageing principles.
采用差热分析法和水溶液密封老化后的特性粘度法，全面系统地研究了国内外十种降滤失剂的耐温性。
The results showed that, for 1420 alloy at double-ageing state, the maximum corrosion depth was consistent with the Gumbel distribution law.
以最大腐蚀深度为腐蚀损伤衡量指标，研究双级时效合金模锻件腐蚀的统计规律。
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