实验结果表明，TMA是研究和测试取向聚合物材料热收缩的简便有效方法。

The result shown that the TMA technique is an effective and convenient method for characterising thermal shrinkage in oriented polymer materials.

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利用光散射测量方法研究了短圆管挤出模头中聚合物熔体取向行为对螺杆轴向振动的响应。

The response of the polymer melt behavior of orientation for axial vibration of screw in short pipe extrusion die head was studied by the light scattering technology.

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实验表明光漂白能破坏有机聚合物中极化分子的取向稳定性，造成其二阶非线性效应衰减。

Experiments show that photo-bleaching can damage the orientation stability of polarized molecules in organic polymer and cause its second order nonlinear effect to attenuate.

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