As cognitive radio (CR) needs to detect spectrum accurately and utilize the idle spectrum efficiently,a new model of CR is proposed.This model adopts energy det
The incidence of breast cancer is increasing year-by-year and is the most common malignant tumor in Chinese women.During the past half century, numerous studies
Immunotherapy is playing an increasingly important role in the treatment of tumors.Different from the traditional direct killing or excision therapies,immunothe
Railgun materials play an important role in electromagnetic launch,and its performance has great effect on the shot-efficiency and lifetime of the launcher.In t