Combining with the quality control level of high-quality magnetic iron of Taigang and the test methods of magnetic aging, improving process of artificial aging was put forward.

阐述了电磁纯铁的磁时效现象及其机理，并结合太钢无磁时效优质电磁纯铁的质量控制水平和磁时效检验方法，提出了人工时效处理的改进工艺。

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Functional magnetic resonance imaging (fMRI) was used to investigate the effects of aging and task difficulty on brain activation engaged in mental calculation.

应用功能磁共振成像技术研究不同心算难度下脑区的活动以及年龄的影响。

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The lamellae phase formed in high aging temperature provides channel for element diffusion in low aging temperature, so the magnetic properties increased during step aging process;

高温时效生成的片状相为低温时效时元素的迁移提供了路径，因此通过等级时效合金的磁性能得到提高；

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