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翻訳と辞書　辞書検索 [ 開発暫定版 ] スポンサード リンク Grainger challenge ： ウィキペディア英語版 Grainger challenge The Grainger challenge is a scientific competition to find an economical way to remove arsenic from arsenic-contaminated groundwater. This competition is being funded by the United States National Academy of Engineering and the Grainger Foundation and is meant to help provide safe drinking water to countries such as Bangladesh, India, and Cambodia. In 2007, the winner of the Gold Award ($1,000,000) was Dr. Abul Hussam, for his invention of the Sono arsenic filter. The Silver Award ($200,000) was awarded to Dr. Arup K Sengupta for his invention and implementation of (ArsenXnp ) hybrid anion exchange (HAIX) resin. The Children's Safe Drinking Water Program at Procter & Gamble (P&G), Cincinnati, received the Bronze Award of US$ 100,000 for the (PUR™ Purifier of Water ) coagulation and flocculation water treatment system. ==External links== *(Grainger challenge page at the National Academy of Engineering ) *(Grainger Foundation ) 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Grainger challenge」の詳細全文を読む スポンサード リンク 翻訳と辞書 : 翻訳のためのインターネットリソース Copyright(C) kotoba.ne.jp 1997-2016. All Rights Reserved.