1. A study was made on the application of peptizer SJ 103 to NR compound.
   对塑解剂SJ103在NR塑炼中的应用进行了试验。
2. 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。

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