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In situ Raman spectra of cycloheptane have been characterized under high pressure generated by diamond anvil cell(DAC) at room temperature.

利用金刚石对顶砧(DAC)生高,在室温下对环庚烷进行了高原位拉曼光谱研究。

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The conformational energy of n-heptane is calculated as a function of the C-C bond rotation angles with a tetradic rotation.

按作为四元组转C-C旋转角函数计算了正庚烷构象能。

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The only difference is that heptane, with 7 carbons, is really unstable, whereas octane, with 8 carbons, is super stable.

唯一的区别是,有7子的庚烷非常不稳有8子的辛烷则极其稳

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Octane ratings are calculated different ways in different countries, but they always compare the gas’s stability to a mixture of two molecules: heptane and octane.

不同国家计算辛烷值的方法不同,但它们总是将汽油的稳性与两种分子的混合物进行比较:庚烷和辛烷。

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3G, 401(K), a,
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