试验发现，短纤维束滤料滤层的孔隙率沿过滤方向由大到小，为变孔隙滤层。
Experiments showed decreased porosity of the filter bed along the filtering direction.
结果表明，PTT短纤维具有优良的弹性性能，其断裂伸长率和弹性回复比PET纤维高。
The results showed that PTT staple fiber had splendid elasticity and showed higher elongation at break and elastic resiliency as compared with PET fiber.
探讨了影响涤纶短纤维收缩率的工艺条件。
The technology conditions that have effect on polyester shrinkage rate were discussed.
采用了萃取称重法、萃取折射率法、快速法、核磁共振法测定了对涤纶短纤维的含油率进行了比较。
The finish oil content of PET staple fiber was determined by extraction weight method, extraction light refraction method, instant test method and nuclear magnetic resonance spectroscopy.
实践表明：两种模型对毛条的豪特长度、长度变异、短纤维含量和精梳落毛率均能进行较为准确的预测，其中人工神经网络预测模型预测效果优于统计回归模型。
Application experience has been shown that both methods have good prediction performance in which the ANN method has better prediction performance in comparison with multiple regression method.
实践表明：两种模型对毛条的豪特长度、长度变异、短纤维含量和精梳落毛率均能进行较为准确的预测，其中人工神经网络预测模型预测效果优于统计回归模型。
Application experience has been shown that both methods have good prediction performance in which the ANN method has better prediction performance in comparison with multiple regression method.
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