单词：ammonium dihydric phosphate
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In business, Optus has called for Telstra's proposals on its participation in the national broadband network to be blocked. Optus' chief executive Paul O'Sullivan says Telstra's current plan for the separation of its retail and wholesale arms wholesa
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pH - a measure of how acid or alkali a solution is. As the pH gets lower, the solution is more acid. At a pH of 7 the solution is neither acid nor alkali. pH is the inverse of the logarithm of the con
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This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. Batteries of the future need to deliver more energy, and they need to be smaller. Researchers at MIT think they have developed a technology that can, a
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歌曲 ： Keep On Moving 艺人 ： Starstylers Ft.Michy 音乐星级 ： ★★★★★ 所属专辑 ： 未知 发行年代 ： 2006 风格 ： Dance 介绍： 关于Starstylers Ft. Michy在网络上很难找到他们的信息，只知道他们好像是一个DJ组合，组合形式跟舞动精灵差不多，Keep On Movi
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AGRICULTURE REPORT – March 12, 2002: Carbon Dioxide and Crops By George Grow This is the VOA Special English AGRICULTURE REPORT. Increasing levels of carbon dioxide gas in Earth’s atmosphere have
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