Supported by NSFC(40974065);National Innovation Method(2008IM021500);National Key Technology R & D Program(2008BAC44B04);Province Key Technology R & D Program(2008SZ0148,2008GZ0197,2008GZ0040)
A prompt gamma neutron activation analysis system with a 252Cf neutron source for on-line cement analysis has been simulated with the MCNP code.The results indicate that the optimum arrangement is a Bi shield of 20-mm...