Size is everything

R. Stephen Berry

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Size is everything

机译：大小决定一切

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摘要

We are familiar with how bulk matter melts and freezes, and know that a pure substance has a sharp, well-defined melting temperature at a given pressure. But in clusters of tens, hundreds or thousands of atoms, very different properties appear. The report by Schmidt et al. on page 238 of this issue is the first quantitative demonstration of how the melting temperature of clusters depends sensitively on their size. The temperature varies in what appears to be a highly irregular pattern, a pattern not yet interpreted, and the challenge is now to discover the physical basis for this variation.

机译：我们熟悉大块物质如何熔化和冻结，并且知道纯物质在给定压力下具有清晰的，明确定义的熔化温度。但是在数十，数百或数千个原子的簇中，会出现非常不同的属性。施密特等人的报告。本期第238页的第一个定量证明了簇的熔化温度如何敏感地取决于簇的大小。温度的变化似乎是高度不规则的模式，尚未解释的模式，现在的挑战是发现这种变化的物理基础。

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《Nature》 |1998年第6682期|p.212-213|共2页
作者
R. Stephen Berry;
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收录信息美国《科学引文索引》(SCI);美国《工程索引》(EI);美国《生物学医学文摘》(MEDLINE);美国《化学文摘》(CA);
原文格式 PDF
正文语种 eng
中图分类自然科学总论;
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机译：合规性测试报告。 armstrong Rubber Company pt-100，规格6.50-13，ply / ply等级4,4 / 4;尺寸7 / 35-14，ply / ply等级4/4;尺寸7.75-14，ply / ply等级4,4 / 4;尺寸8.15-15，ply / ply评级4;尺寸8.25-14，尺寸9.00-15，ply / ply等级4/4; pt-120，尺寸6.50-13，ply / ply等级4/4;尺寸6.95-14，尺寸7.00-13，ply / ply等级4,4 / 4;尺寸7.75-14，尺寸7.75-15，尺寸8.15-15，尺寸8.25-14，帘布层/帘布层等级4/4;尺寸8.45-15，ply / ply等级4,4 / 4;尺寸8.85-14，尺寸8.85-15，ply / ply等级4;尺寸9.00-15，ply / ply等级4/4

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