Combined antitumor effects of 5 - Fluorouracil and Allopurinol, ( HPP ) wese studied in this paper.本文研究氟脲嘧啶(5—Fluorouracil, 5—Fu)并用别嘌呤醇 ( Allopurinol,HPP ) 的抗肿瘤作用.Objective : To study the role of panax polysaccharide in ...
This study presents a new single - stage single - switch PFC flyback DC converter.文章研究了一种新型 单级 单开关PFC反激变换器.A novel multi - output forward - flyback converter with secondary side post regulation is proposed.详细分析了一种运用了后级调整...