Abstract : this paper introduces a improved ultrafiltration control system based on single chip and user ' s demauds . it has been shoun practical and meet the needs of users 文摘:本文针对用户对血液透析机提出的实际需求,设计了一套基于单片机控制的超滤控制改进系统。经实验和实际应用,论证了本文所设计的系统是有效可行的,且满足用户的实际需求。