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Growing health inequalities have become an important challenge for Chinese society. This study analyses the impact of negative childhood experiences on health among Chinese adults over 45. Data were derived from the 2014 Life Course Survey under the China Health and Retirement Longitudinal Study, with a total sample of 5,842 adults over the age of 45. The results showed that negative childhood experiences...
Screening for colorectal cancer (CRC) and precancerous colorectal adenoma (CRA) can detect curable disease. However, participation in colonoscopy and sensitivity of fecal heme for CRA are low.Microbiota metrics were determined by Illumina sequencing of 16S rRNA genes amplified from DNA extracted from feces self-collected in RNAlater. Among fecal immunochemical test-positive (FIT+) participants, colonoscopically-defined...
The operation of 20,000-ton heavy haul freight cars on Datong-Qinhuangdao Railway has played a very important role on the economic development of China, and at the same time it caused serious damage to the couplers and coupler yokes of the freight cars, threatening the traffic safety. In this paper, taking cracks on the coupler yoke into account, the stress intensity factors (SIF) for different crack...
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