期刊文献+
共找到2篇文章
< 1 >
每页显示 20 50 100
A Prediction Framework for Turning Period Structures in COVID-19 Epidemic and Its Application to Practical Emergency Risk Management
1
作者 Lan DI Yudi GU +1 位作者 Guoqi QIAN George Xianzhi YUAN 《Journal of Systems Science and Information》 CSCD 2022年第4期309-337,共29页
The aim of this paper is first to establish a general prediction framework for turning(period)term structures in COVID-19 epidemic related to the implementation of emergency risk management in the practice,which allow... The aim of this paper is first to establish a general prediction framework for turning(period)term structures in COVID-19 epidemic related to the implementation of emergency risk management in the practice,which allows us to conduct the reliable estimation for the peak period based on the new concept of“Turning Period”(instead of the traditional one with the focus on“Turning Point”)for infectious disease spreading such as the COVID-19 epidemic appeared early in year 2020.By a fact that emergency risk management is necessarily to implement emergency plans quickly,the identification of the Turning Period is a key element to emergency planning as it needs to provide a time line for effective actions and solutions to combat a pandemic by reducing as much unexpected risk as soon as possible.As applications,the paper also discusses how this“Turning Term(Period)Structure”is used to predict the peak phase for COVID-19 epidemic in Wuhan from January/2020 to early March/2020.Our study shows that the predication framework established in this paper is capable to provide the trajectory of COVID-19 cases dynamics for a few weeks starting from Feb.10/2020 to early March/2020,from which we successfully predicted that the turning period of COVID-19 epidemic in Wuhan would arrive within one week after Feb.14/2020,as verified by the true observation in the practice.The method established in this paper for the prediction of“Turning Term(Period)Structures”by applying COVID-19 epidemic in China happened early 2020 seems timely and accurate,providing adequate time for the government,hospitals,essential industry sectors and services to meet peak demands and to prepare aftermath planning,and associated criteria for the Turning Term Structure of COVID-19 epidemic is expected to be a useful and powerful tool to implement the so-called“dynamic zero-COVID-19 policy”ongoing basis in the practice. 展开更多
关键词 prediction framework turning period structure turing phase COVID-19 epidemic emergency risk management emergency plan Delta and Gamma i SEIR spatio-temporal model supersaturation phenomenon multiplex network dynamic zero-COVID-19 policy
原文传递
Preface-Understanding the coevolution of life and environment in great turning periods of Earth history
2
作者 TONG JinNan SHI XiaoYing 《Science China Earth Sciences》 SCIE EI CAS 2008年第11期1513-1515,共3页
Wherever the first life originated, the Earth has grown organisms. The Earth provides life with all the basicelements required for the composition and growth of life. And of more importance is that the Earth has
关键词 LIFE Preface-Understanding the coevolution of life and environment in great turning periods of Earth history
原文传递
上一页 1 下一页 到第
使用帮助 返回顶部