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以色列发明充电消毒口罩 加热消毒重复利用

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一次性口罩既不经济也不环保?以色列理工学院的科研人员近日研发出新型的充电口罩,可使用手机充电器充电加热来杀死口罩上的病毒,以实现重复利用。图片来源:新浪微博Israeli researchers say they have invented a reusable face mask that can kill the coronavirus with heat by drawing power from a mobile phone charger.以色列研究人员称,他们已经发明了一种可重复使用的口罩,可以使用手机充电器充电加热来杀死新冠病毒。The disinfecting process takes about 30 minutes - and users should not wear the mask while it is plugged in, said Professor Yair Ein-Eli, who led the research team at Technion University in Haifa.该研究小组组长、位于海法的以色列理工学院的亚伊尔·埃因-埃里教授说,这种口罩消毒过程大约需要30分钟,使用者切勿在充电时佩戴。The new mask has a USB port that connects to a power source such as a standard cellphone charger that heats an inner layer of carbon fibres to 70 degrees Celsius, high enough to kill viruses.这种新型口罩有一个USB接口,可以连接到电源,比如标准的手机充电器。充电时口罩的内层碳纤维可加热到70摄氏度,足以杀死病毒。Ein-Eli said disposable masks, in high demand globally during the health crisis, were not economically or environmentally friendly.埃因-埃里称,在健康危机期间全球需求旺盛的一次性口罩既不经济也不环保。“You have to make it reusable and friendly, and this is our solution,” he said.他说:“口罩最好可以重复使用,并且环保,而这款口罩就是我们的解决方案。”Professor Allon Moses, an infectious diseases expert at Jerusalem’s Hadassah Medical Center, said there was “no question” that a half hour’s exposure to 70-degree heat would kill the coronavirus.耶路撒冷哈大沙医疗中心的传染病专家阿龙·摩西教授说,毫无疑问,在70摄氏度的高温下暴露半小时就会杀死新冠病毒。But he cautioned that repeated heating could “damage the mask’s paper or fabric and spoil its ability to protect from diseases in the future”.但他警告说,反复加热可能会“损坏口罩的材料或织物,并破坏其未来预防疾病的能力”。During testing, the prototype was exposed to 20 heating cycles, each for half an hour, with no impact on durability, Ein-Eli said.埃因-埃里说,在测试过程中,原型口罩被加热了20次,每次加热半小时,其耐久性未受影响。“We can guarantee it up to a few dozen cycles, without any risk,” he added.他补充说:“我们可以保证它可以重复使用几十次,没有任何风险。”The prototype looks like a standard N95 face mask, with a valve at the front and bands to hold it in place around the head.这个原型口罩外观类似于标准的N95口罩,前面有一个呼吸阀,并用带子固定在头部。The researchers submitted a patent for the mask in the United States in late March and say they are discussing commercializing the product with the private sector.研究人员于3月下旬在美国为这种口罩申请了专利,并表示他们正在与私有企业讨论商业化生产。It will likely sell at a $1 premium over the price of a typical disposable face mask, the researchers say.研究人员称,这种口罩的售价可能比普通的一次性口罩高出1美元(约合人民币7元)。premium [primim]:n.额外费用,溢价英文来源:路透社翻译&编辑:yaning来源:中国日报网

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