Abstract: The digital broadcast receiver 1 comprises: a signal input unit 10 for receiving a received broadcast wave; a demodulation unit 11 for demodulating the broadcast wave; an external module 12; an external module I/F (Interface) 13 for connecting the receiver 1 to the external module 12; a decoding unit 14 for extracting necessary information containing a target content from the received signal; an output unit 15 for outputting actual video/audio; a control unit 16 for controlling the entire receiver 1; and a user I/F 17 for transmitting and receiving information to/from a user. Further, there are provided: a packet processing unit 101 that is located between the demodulation unit 11 and the external module I/F 13, that monitors all the packets contained in a TS, and that performs a predetermined processing on packets matched with a predetermined condition; and a TS selector 102 that is located between the external module I/F 13 and a bus line BL and that selects and outputs one designated TS of the two TSs.

Abstract: A fuel assembly is composed of first fuel rods containing nuclear fuel material and burnable poison material and second fuel rods containing nuclear fuel material but no burnable poison material. The fuel assembly is charged in a high conversion area of a boiling water type nuclear reactor having a reactor core having the high conversion area and a burner area surrounding the high conversion area. A ratio V.sub.C /V.sub.F is not greater than 1.5 in the fuel assembly where V.sub.C is the volume occupied by coolant flow paths and V.sub.F is the volume occupied by the nuclear fuel material per unit length in an axial direction of the fuel assembly. In addition, the burnable poison material is composed of neutron absorption nuclides having at least one resonant energy in a neutron energy region of one electron volt or less.