In this foundation further preparation of nano-TiO_2 latex paint was carried out. Scrubbing resistance, stain resistance and artificial ageing resistance of latex paint film were then tested and the results indicated obvious effects of modification.

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In the paper, the results of experiment are provided, the micro-mechanisms of both natural and artificial ageing are studied, and a new way to improve the mechanical properties of zinc-containing alloys is proposed.

文内提供了实验结果，并对自然时效和人工时效的机制进行了研究，为提高锌基合金型材的力学性能开拓一条新途径。

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Artificial ageing can be made through means of ultraviolet rays lighting, toast, solution soaking and rubbing and contamination, but every aged document has relative characteristics due to the different means.

通过紫外线照射、烤、液浸泡和揉搓沾污等手段可以人为老化文件，但由于所使用的手段不同而使人为老化后的文件各具相应特征。

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3、

The yield strength is reduced by 10~ 20 MPa after natural ageing and it can be simulated by artificial ageing ( 100 ℃× 2h or 200 ℃× 1h).

自然时效后屈服强度下降10～20MPa，用人工时效可以模拟自然时效，工艺是100℃×2h或200℃×1h。

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Treated in the artificial ageing condition of 100% relative humility and 40 ℃ for 5 days, the ageing degree is equal to that during one summer natural temperature ageing condition.

在100%的相对湿度、40℃的人工老化条件下处理5d左右，对种子的老化程度与一次自然室温越夏的老化程度大致相当。

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Light ageing properties of poly ( vinyl chloride)( PVC) by the carboxylic ester rare earth salt and the organotin have been compared by artificial ageing test.

用人工老化的方法比较了羧酸酯稀土和有机锡对聚氯乙烯（PVC）的光老化稳定作用。

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, and YS ( yield strength) and the value of YS/ UTS increase through the followed artificial ageing with obvious loss of elongation.

而其后的人工时效处理能明显提高合金的屈服强度和屈强比，但也明显降低了延伸率。

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Micro-hardness test and XRD spectra indicate that artificial ageing treatment at low temperature can further improve the mechanical property of the solid solution strengthening aluminum alloy after ECAP process.

显微硬度以及XRD测试结果显示低温时效处理进一步提高了强化固溶态高强铝合金ECAP加工后的机械力学性能。

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The structure change of Cu_ ( 55) Zr_ ( 45) metallic glass during natural and artificial ageing was investigated with EXAFS method.

本文应用EXAFS结构分析法研究了Cu（55）Zr（45）金属玻璃经天然和人工时效后引起的结构变化。

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The time lapsing artificial ageing of six membrane materials with acrylate, PVDF and PTFE top coatings are investigated by a practical environmental simulation.

本文采用对实际环境进行模拟的人工加速老化方法对表面涂有丙烯酸酯、PVDF（聚偏氟烯）以及PTFE的六种不同的膜材料的老化性能进行了研究。

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An EXAFS study for structure relaxation of cu_ ( 55) zr_ ( 45) metallic glass during natural and artificial ageing

天然和人工时效Cu（55）Zr（45）金属玻璃结构弛豫的EXAFS研究

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Effects of artificial ageing on the hardness distributions and strength were analyzed for6063 aluminum alloy joints welded by varying heat inputs.

对不同焊接热输入下的6063铝合金焊接接头进行人工时效，分析其硬度分布和强度的变化。

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Peanut seeds ( water content 6.2196) were stored at 38& 40 ℃ for artificial ageing storage with different gases.

花生种子（含水量6.21%）在38&40℃下进行人工老化贮藏，N1和CO2空气有延缓种子老化的效果。

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Effects of KT Treatment on Seed Vigor of Gentiana scabra in Artificial Ageing

激动素处理对人工老化条件下龙胆种子活力的影响

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Moreover, after extruding the alloys can improve their plasticity if artificial ageing is processed.

挤压后直接人工时效，可有效地提高合金的塑性。

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The morphology of Y phase can be obviously changed through s.s. and artificial ageing.

固溶处理和人工时效处理可以明显改变γ相的形貌。

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Artificial Ageing of Blue Gel Pen Inks on Paper by TDG-MS

热重-质谱法研究蓝色签字笔墨水的人为老化

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Sorne physiological and biochemical indexes of artificial ageing wheat seeds were analyzed.

测定了人工老化小麦种子的多项生理生化指标。

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During hydrogen gas heat-treatment, hydrogen purity had strong effect on soft magnetic property and artificial ageing.

氢气热处理时，氢气纯度和软磁性能人工时效有密切关系。

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AA6016 aluminum alloy Automotive panel Bake hardening Artificial ageing Process parameter;

AA6016铝合金；车身板；烘烤硬化；人工时效；工艺参数；

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Effects of artificial ageing on proteome of maize seeds

人工老化对玉米种子蛋白质组的影响

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