Yin Deng

ABSTRACT The generation and accumulation of CH4 gas has always been a key focus and challenge in the prevention and explosion control of coal mines, posing a serious threat to safe mining.

1 INTRODUCTION Trauma is the leading cause of death in people under 40 years of age.1 Due to the special anatomical structure and functional characteristics of the spleen, which is rich in blood vessels and soft in texture, splenic rupture is considered to be the most common substantial organ injury among all abdominal closed organ injury types, accounting for approximately 40% to 50% of all abdominal closed organ injuries, and it is more likely to lead to death when combined with severe...