Moderator material, useful for energy reduction of cold or thermal neutrons to a low energy, comprises hydrogen, and a barrier surrounding the hydrogen, where the barrier is a matrix material having closed pores, which enclose hydrogen gas

摘要

Moderator material comprises hydrogen, and a barrier surrounding the hydrogen, where the barrier is a matrix material having closed pores having dimensions in micro- or nanometers and the pores enclose hydrogen gas having a major portion of molecular ortho-hydrogen as molecular para hydrogen.