In order to promote the application and development of civil aviation safety(CAS)in the field of safety and enrich the theoretical system of CAS research,the methodology of CAS was studied.The definition of CAS was re...In order to promote the application and development of civil aviation safety(CAS)in the field of safety and enrich the theoretical system of CAS research,the methodology of CAS was studied.The definition of CAS was reconstructed,its connotation was explained from four aspects,and its research object was clarified.This paper discussed the mechanism of CAS,that is,to maintain system security through the establishment of safety prevention and control system(SPCS),and explained the research content of CAS from theory and technology application.Five principles and applicable methods for CAS research were summarized.In addition,it put forward the general procedure of CAS research,explained the specific content and implementation method or basis of each step.The research results show that the methodology of CAS is a systematic theoretical system with certain guiding significance,combined with the mechanism,research content,research principles and methods,and research procedures of CAS.展开更多
Safety is critically important for any sport or recreational activity.Skiing and snowboarding are winter activities that are potentially beneficial to health and fitness.However,they present a significant risk of inju...Safety is critically important for any sport or recreational activity.Skiing and snowboarding are winter activities that are potentially beneficial to health and fitness.However,they present a significant risk of injury.If not well managed,high injury rates will negatively impact the ski industry and its development.The purpose of this study was to systematically review the literature of safety and injury prevention programs specific to recreational alpine skiers and snowboarders in China and compare them with those implemented in the United States to promote safe snow sports and prepare skilled ski patrol and injury prevention professionals for the Beijing 2022 Olympic and Paralympic Winter Games.展开更多
文摘In order to promote the application and development of civil aviation safety(CAS)in the field of safety and enrich the theoretical system of CAS research,the methodology of CAS was studied.The definition of CAS was reconstructed,its connotation was explained from four aspects,and its research object was clarified.This paper discussed the mechanism of CAS,that is,to maintain system security through the establishment of safety prevention and control system(SPCS),and explained the research content of CAS from theory and technology application.Five principles and applicable methods for CAS research were summarized.In addition,it put forward the general procedure of CAS research,explained the specific content and implementation method or basis of each step.The research results show that the methodology of CAS is a systematic theoretical system with certain guiding significance,combined with the mechanism,research content,research principles and methods,and research procedures of CAS.
文摘Safety is critically important for any sport or recreational activity.Skiing and snowboarding are winter activities that are potentially beneficial to health and fitness.However,they present a significant risk of injury.If not well managed,high injury rates will negatively impact the ski industry and its development.The purpose of this study was to systematically review the literature of safety and injury prevention programs specific to recreational alpine skiers and snowboarders in China and compare them with those implemented in the United States to promote safe snow sports and prepare skilled ski patrol and injury prevention professionals for the Beijing 2022 Olympic and Paralympic Winter Games.
