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好消息!纳米口罩正在生产中

作者: 发布于:2020-03-11 08:11

上个月,广东省、北京市以及上海市据报道正在出产一种新式口罩,这款口罩运用的资料不是传统的熔喷无纺布,而是用纳米资料薄膜资料来过滤细菌、病毒以及其他病原菌。
Last month, companies in Guangdong province, Beijing and Shanghai reported producing a new type of face mask that uses a nanomaterial membrane1, rather than the typical melt-blown fabric2, to filter bacteria, viruses and other pathogens, according to local health and medical products authorities.   The new masks are on par3 with N95 standards, meaning they filter particles of all sizes with at least 95 percent efficiency.   The masks are also comfortable, easy to breathe through and can be reused up to 20 times depending on the user's setting and wear time, the authorities said.   The retail4 price for the masks created by companies from Shanghai will be around 15 to 20 yuan ($2.14 to $2.85) each.   The prices for the ones made by Beijing and Guangdong companies are still unknown because those companies just recently began production.    
1 membrane      n.薄膜,膜皮,羊皮纸 参阅例句:
  • A vibrating membrane in the ear helps to convey sounds to the brain.耳膜的振荡协助声响传送到大脑。
  • A plastic membrane serves as selective diffusion barrier.一层塑料薄膜起着选择性浸透屏障的效果。
2 fabric      n.织物,织品,布;结构,结构,安排 参阅例句:
  • The fabric will spot easily.这种织品很简单玷污。
  • I don't like the pattern on the fabric.我不喜欢那块布料上的图画。
3 par      n.规范,票面价值,均匀数量;adj.票面的,往常的,规范的 参阅例句:
  • Sales of nylon have been below par in recent years.近年来尼龙织品的销售额一向不及以往。
  • I don't think his ability is on a par with yours.我以为他的才能不能与你的才能相媲美。
4 retail      v./n.零售;adv.以零售价格 参阅例句:
  • In this shop they retail tobacco and sweets.这家铺子零售卷烟和糖块。
  • These shoes retail at 10 yuan a pair.这些鞋子零卖10元一双。


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