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本帖最后由 细胞海洋 于 2014-7-4 09:24 编辑
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, Y8 `0 J3 x8 g# g4 g+ l' E3 f4 i6 q O2014年6月19日 Nature/ \4 h2 e( U% Z: \3 N. @' L7 I
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Water droplets cooling rapidly in vacuum are probed by an intense pulse from a femtosecond X-ray laser before they turn to ice, providing Jonas Sellberg et al. with unique structural information on the deeply supercooled liquid phase in the so-called ‘no-man’s land’, where water’s anomalous properties become strongly enhanced, but where ice forms too quickly for normal measurement techniques to cope. In a second paper Jeremy Palmer et al. explore water in this regime with advanced simulation methods, finding a phase transition between two structurally distinct liquids that could explain many water anomalies. Cover: Gregory Stewart, SLAC National Accelerator Laboratory.. Q! V. u3 P3 P. k8 Q& M1 P
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