美國有關部門往往采取照射法來滅殺新鮮蔬菜中的沙門氏菌和大腸杆菌等病菌,但這種方法會影響蔬菜的新鮮度。美國科學家6日宣稱,他們已經找到一種新方法,既可將輻照減少一半,又能殺死幾乎所有病菌。
meiguodekesasinongzuowushengmingyanjiusuodeyanjiurenyuanzaizuixindeyanjiuzhongfaxian,yongchongmanchunyangdejuzhibomodaibaozhuangxinxianshucaizaijinxingzhaoshe,keyidadajianshaoduishucaidefusheliang,tongshidadaomiejundexiaoguo。fuzezhexiangyanjiudeshipinanquangongchengshikaerman 戈姆斯說,按常規需要4000格雷以上的輻射量才能殺死蔬菜上的全部細菌,但用新的方法,則隻需要照射200至1250格雷的輻射量就可殺死99.9%yishangdexijun。tashuo,yongxiaojilianggeleizhaoshedehaochushishucaidexinxianchengdubuhuishoudaopohuai,erqieyouyushoudaochongmanchunyangdejuzhibomodaidebaohu,shucaishangbuhuiyoucanliufangshewu,suoyibuhuiduirentijiankangzaochengshanghai,qiebuhuiliuxiayiwei。
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