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Updated: Jul 17, 2026

Establishment of Microbial Eukaryotic Enrichment Cultures from a Chemically Stratified Antarctic Lake and Assessment of Carbon Fixation Potential
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对于恩塞拉多的南极羽毛,一个克拉酸盐储库假设

Susan W Kieffer1, Xinli Lu, Craig M Bethke

  • 1Department of Geology, University of Illinois at Urbana-Champaign, 1301 West Green Street, Urbana, IL 61801, USA. skieffer@uiuc.edu

Science (New York, N.Y.)
|December 16, 2006
PubMed
概括

在土星的卫星恩塞拉多上,活跃的构造过程可能会破坏冰块,从克拉特酸盐储库中释放气体. 这种脱气产生了观察到的羽毛,类似于黄石的海水喷泉,来自一个巨大的地下附带系统.

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Determining the pH of Salt Solutions04:08

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The pH of a salt solution is determined by its component anions and cations. Salts that contain pH-neutral anions and the hydronium ion-producing cations form a solution with a pH less than 7. For example, in ammonium nitrate (NH4NO3) solution, NO3− ions do not react with water whereas NH4+ ions produce the hydronium ions resulting in the acidic solution. In contrast, salts that contain pH-neutral cations and the hydroxide ion-producing anions form a solution with a pH greater than 7. For...