Xiaoyan Lei – författare

This book systematically summarizes the latest research findings on high-speed railway track dynamics, made by the author and his research team over the past decade.

The second edition of this book systematically summarizes the latest research findings on high-speed railway track dynamics, made by the author and his research team over the past decade.

The second edition of this book systematically summarizes the latest research findings on high-speed railway track dynamics, made by the author and his research team over the past decade.

The first part reports the 6th, 7th, and 8th surveys of “Chinese Longitudinal Healthy Longevity Survey” (CLHLS), with the largest sample of oldest-old aged 80+ in the world and comparable sample of young-old aged 65–79, trends and characteristics of physical health and mental health of older adults in China based on analyses of the CLHLS datasets.

The first part reports the 6th, 7th, and 8th surveys of “Chinese Longitudinal Healthy Longevity Survey” (CLHLS), with the largest sample of oldest-old aged 80+ in the world and comparable sample of young-old aged 65–79, trends and characteristics of physical health and mental health of older adults in China based on analyses of the CLHLS datasets.