[{"ID":"1499","ParentID":"1492","MainID":"1492","CompanyID":"199327","Title":"微波殺菌機(jī)","HitNumber":"59","CreateTime":"2020/3/26 14:27:05","UpdateTime":"2020/3/26 14:27:05","RecommendNum":"0","Picture":"2/20200326/637208295864548457682.jpg","PictureDomain":"img67","MainTitle":"微波殺菌機(jī)","Detail":"微波殺菌機(jī)，是利用了電磁場的熱效應(yīng)和生物效應(yīng)的共同作用的結(jié)果1簡介微波對細(xì)菌的熱效應(yīng)是使蛋白質(zhì)變化，使細(xì)菌失去營養(yǎng)，繁殖和生存的條件而死亡。微波對細(xì)菌的生物效應(yīng)是微波電場改變細(xì)胞膜斷面的電位分布，影響細(xì)胞膜周圍電子和離子濃度，從而改變細(xì)胞膜的通透性能，細(xì)菌因此營養(yǎng)不良，不能正常新陳代謝，細(xì)胞結(jié)構(gòu)功能紊亂，生長發(fā)育受到抑制而死亡。此外，微波能使細(xì)菌正常生長和穩(wěn)定遺傳繁殖的核酸[RNA]和脫氧核糖核酸[DNA]，是由若干氫鍵松弛，斷裂和重組，從而誘發(fā)遺傳基因突變，或染色體畸變甚至斷裂。2特點(diǎn)1、時間","Author":"劉爽"}]