The diaphragm is made of a low masspolymer, carefully formed to broaden resonant modes to reduce their amplitude.
横膈膜是低质量的聚合物,仔细形成扩大谐振模式,以减少他们的振幅。
2
When polymer relative molecular mass and its distribution width are the same, the polymer displacement efficiency increases with the increment of the core permeability variation factor.