The results show the self-adapt optimized combination forecast model covering the aging function is better than the other forecast models for gas demand forecast.

结果表明，融入时效函数的自适应递推优化组合预测模型比采用其它预测模型预测的结果更好。

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The polypropylene(PP) was modified by self-made sericite-based inorganic UV-screen agent, and the mechanical properties of the PP composites after light aging were tested.

用自制的绢云母质无机紫外屏蔽剂改性聚丙烯（ PP），对光老化后的PP 复合材料进行力学性能测试。

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Activating cells: invigorate the self-regulation of skin, improve the skin texture, prevent the aging and dullness.

活化细胞·激发肌肤自我调节力，改善肤质，预防老化、暗沉。

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To test whether aging reduces the ability of pedestrians to multitask, Neider and his colleagues created a simulated crosswalk using a self-powered treadmill, video screens depicting a busy street, and special goggles that create the illusion of virtual reality.

CNN: Multitasking and crosswalks a risky mix for elderly