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英语阅读怎么用书本过滤饮用水

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More than 600 million people around the world lack access to clean drinking water and this book has the potential to help.

It's relatively cheap, easy to ship and its pages serve two purposes: firstly, they are printed with instructions on how and why water should be filtered; secondly, they can be torn out and used as filters.

The paper contains nanoparticles of copper or silver, which kill bacteria and the new trial results from water sources in South Africa, Ghana and Bangladesh confirm that on average the paper slashes the bacteria count of contaminated water by well over 99%.
 

全世界有6亿多人没有得到干净的饮用水,这本书有可能提供帮助。
 
它相对便宜,易于运输,它的页面有两个用途:首先,它们印有关于如何以及为什么要过滤水的指令;其次,它们可以被撕出来用作过滤器。
 
本文包含铜或银纳米粒子,杀死细菌和来自南非水源地的新的试验结果,加纳和孟加拉确认了斜线平均细菌数超过99%的污染水。
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