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alexanderp

金虫 (著名写手)

[求助] 请教:兰氏化学手册里的键离解能

请问:兰氏化学手册(15版)里面的Table 4.41,是bond dissociation energies,里面的好多值,后面有个括号,有一些数字,请教是何种意思。例如:第一项的Al-Al  186(9),其中的186和(9)是怎样的关联?谢谢高手
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jiagle

专家顾问 (知名作家)

【答案】应助回帖

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感谢参与,应助指数 +1
houchenxmc: 金币+2, 谢谢参与 2013-03-07 10:39:29
houchenxmc: 回帖置顶 2013-03-07 10:39:30
alexanderp: 金币+10, ★★★★★最佳答案 2013-03-08 21:26:02
186是指键离解能,(9)是指测量误差,即键离解能为(186-9)~(186+9)。直接取用186就可以了。
括号中的数字越小,表示测量的数据精准度更高。
2楼2013-03-06 07:35:03
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