The ageing characteristic of metal rupture disc will affect the accuracy of rupture pressure and weaken the safety of equipment to be protected.
金属爆破片的时效性能使爆破压力的准确性受到影响，并直接关系到被保护设备的安全。
When they do get out of control, free radicals can cause the sort of damage characteristic of ageing cells, including broken DNA and misformed proteins.
一旦自由基真的不受控制，它们就可以引起衰老细胞特有的那种损害，包括受损的DNA与变形的蛋白质。
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。
Though polyurethane leather with its characteristic advantages of resistance to oil, abrasion, cold, flexion, and good mechanical strength, it has disadvantage of easily ageing.
聚氨酯合成革有耐油、耐磨、耐寒、耐屈曲、机械强度好等优点，但也容易发生老化。
Though polyurethane leather with its characteristic advantages of resistance to oil, abrasion, cold, flexion, and good mechanical strength, it has disadvantage of easily ageing.
聚氨酯合成革有耐油、耐磨、耐寒、耐屈曲、机械强度好等优点，但也容易发生老化。
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