This study investigated the trend of the mental health status of Hong Kong university students before and during the 2019 social movement and COVID-19 pandemic.A total of 960 Hong Kong university students completed an online questionnaire in 11 cohorts from 2016 to 2021 in a trend study.In the sample, 68.5% showed various levels of depressive sympt
Debris flow is one of the most harmful natural disasters, which seriously damages the ecological environment balance, human life safety and property loss.Therefore, it is necessary to predict and assess the hazard of debris flow.This paper proposes an effective model for predicting the hazard of debris flow, which is a coupled model based on the In
The DC magnetic bias phenomenon in transformers can result in increased noise and harmonic components.This study focuses on the DC magnetic bias generated by stray currents in the DC traction power simply boho classroom supply system of neutral grounding transformers under multiple train operation conditions.A two-layer soil model is utilized to ca
Abstract Aims Fifteen years ago, we published an article in Social Science and Medicine seeking to resolve the contentious debate between advocates miracle academy clothing of two very different frameworks for understanding and addressing the mental health needs of conflict-affected populations.The two approaches, which we labelled trauma-focused a