本文把文献[2]中关于有核质环、有核本原环的理想的结构定理推广到形为eΩe（及（1-e）Ω（1-e））的子环。
In this paper , the structure theorem on the ideals of the prime rings and primitive rings with a kernel in the paper [ 2 ] is generalized to the subrings with the form e Ω e ( or ( 1-e )Ω( 1-e )) .
核质环