We consider a wireless provider who caters to two classes of customers, namely primary and secondary users. Primary users have long term contracts while secondary users are admitted and priced according to current availability of excess spectrum. Se
Molecule simulation for the feedstock of FCC gasoline secondary reactions by SOL combined with MC method，陈春，杨伯伦， For the sake of reducing the olefin content and upgrading quality of FCC gasoline, the gasoline feedstock will pass through series of sec
Challenges Facing Secondary Education in the Third World Countries，Magreth Columbani Komba，，The aim of this paper is to explain the main challenges facing secondary education in the third world countries. Tanzania has been taken as a case study to re
