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Multi‐component composite materials with a magnetic‐dielectric synergistic effect exhibit satisfactory electromagnetic wave absorption performance. However, the effective construction of the structure for these multi‐component materials to fully exploit the advantages of each component remains a challenge. Inspired by natural biomass, this study utilizes wood as the raw material and successfully prepares...
Background
With population ageing, cognitive function among the elderly is a growing public health concern in China. This study aimed to investigate the trend of income‐related inequality in cognitive function, and to track health‐related income mobility among the Chinese elderly.
Methods
Data were drawn from the Chinese Longitudinal Healthy Longevity Survey conducted in 2005, 2008, 2011, 2014,...