单词:wet end chemistry
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New England weather There is a sumptuous variety about the New England weather that compels the strangers admirationand regret. The weather is always doing something there; always attending strictly to business; always getting up new designs and try
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One not so sudden problem that Chinese media have been reporting a serious shortage of water. Some worry that it could derail the country's rapid economic growth. China's per capita water resources are only a quarter of the world average and the prob
By Tom Rivers London 07 October 2009 Ada Yonath (file photo) Two Americans and one Israeli share this year's Nobel Prize in Chemistry for their work showing how the DNA code is translated into life itself. Americans Venkatraman Ramakrishnan and Thom
to throw a wet blanket on something to throw a monkey wrench 中国人经常会用