The property of ABS sheet and cooling tower parts with damp & heat aging has been studied.
本文研究了ABS塑料片材和冷却塔部件的耐湿热老化性能。
Resist heat aging, the life can reach to 100 years under the pressure during the long use.
耐热抗老化，在规定的压力下长期使用寿命可达100年。
The heat aging properties of rigid PVC are studied by means of mechanical properties test, SEM and FT-IR.
采用力学性能测试、扫描电镜、红外光谱（FT-IR）等方法研究了硬质聚氯乙烯的热老化性能。
The influence of peptizer B on Mooney viscosity, plasticity and heat aging property of NR was investigated.
研究塑解剂B对nr门尼粘度、塑性和热老化性能的影响。
The results have shown that MCA can increase tensile strength and hardness of NBR and also improve the properties of resistance to heat aging and compression set of NBR as well.
结果表明金属活性助剂mca，在不同的硫化体系中可提高丁腈橡胶的拉伸强度、硬度，改善丁腈橡胶的耐热老化性能及压缩永久变形性能。
A study was made on the influence of different contents of nylon short fibers and interface adhesion on physical properties, heat aging properties and swelling of short fiber-CR composites.
该文以尼龙短纤维为例研究了短纤维的不同用量及其粘合性能对短纤维- CR复合材料的力学性能和耐热老化性能的影响；并研究了尼龙短纤维- CR复合材料的耐溶胀性能。
In this thesis, the physical and heat-aging properties of short fiber-CR composite were mainly studied, and the swelling properties of the composite were also studied.
本文主要研究了短纤维-氯丁橡胶复合材料的力学性能和耐热性能，并研究了其溶胀性能。
In this thesis, the physical and heat-aging properties of short fiber-CR composite were mainly studied, and the swelling properties of the composite were also studied.
本文主要研究了短纤维-氯丁橡胶复合材料的力学性能和耐热性能，并研究了其溶胀性能。
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