单词：permagelic temperature regime
单词：permagelic temperature regime 相关文章
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Cells cannot remain alive outside certain limits of temperature and much narrower limits mark the boundaries of effective functioning. Enzyme systems of mammals and birds are most efficient only withi
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Fire Regime 火 Fire was a creation of life -- born from oxygen and organic matter -- ignited by lightning. Thus fire has been a fundamental feature of the Earth for at least 400 million years. A scientist talks about fire -- today on Earth and Sky.
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Some bacteria have adapted to super cold environments for millions of years. And scientists have isolated some of the essential genes that allow bacteria to tolerate their harsh living conditionsbecause these same genes might help in the creation of
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By Shally Zomorodi Los Angeles 20 June 2006 watch Tehrangeles report Los Angeles has become home to thousands of Iranians immigrants, to such an extent that the city is sometimes referred to as 'Tehrangeles.' Although many of them fled Iran and cann
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By Marlene Smith Ukrainian opposition leader Victor Yushchenko says the people of Ukraine have already made the choice for a new country, as he prepares to resume campaigning for a re-run of president
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