Dilatational wave persisted for 30 minutes.
疏密波，时间持续30分钟。
With the dilatational frequency increasing, the dilatational modulus, dilatational elasticity increase and dilatational viscosity, phase Angle decrease.
随扩张频率的增加，扩张模量、扩张弹性逐渐增大，而扩张粘度、相角逐渐减小。
The sliding movement between piece structures is easy to take place in DQ1, 3, 10, 15, resulting their dilatational viscosity unchangeable with the dilatational frequency increasing.
馏分1、3、10、15的界面膜中易发生片状结构的滑移，其扩张粘度基本上不随扩张频率的变化而变化。
The sliding movement between piece structures is easy to take place in DQ1, 3, 10, 15, resulting their dilatational viscosity unchangeable with the dilatational frequency increasing.
馏分1、3、10、15的界面膜中易发生片状结构的滑移，其扩张粘度基本上不随扩张频率的变化而变化。
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