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dahai10234金蟲(chóng) (初入文壇)
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[求助]
小弟英語(yǔ)不行,麻煩幫忙翻譯三句話,先謝了!
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| 結(jié)合《蘭式化學(xué)手冊(cè)》上各原子的摩爾折射度,以及對(duì)與硅原子直接相連的原子或基團(tuán)的修正,對(duì)硅烷和硅氧烷分子進(jìn)行合理拆分,計(jì)算硅原子的摩爾折射度以及與硅原子直接相連的各原子、基團(tuán)的摩爾折射度修正值。計(jì)算結(jié)果表明計(jì)算值與實(shí)驗(yàn)值比較接近。此種原子貢獻(xiàn)法為預(yù)測(cè)硅烷及硅氧烷的摩爾折射度提供了新的途徑。 |
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米米
| By using Mole Refractive index of each atom from Lange's Handbook of Chemistry and modifications on atom or groups directly connected to silicon atom, silane and siloxanes molecule are dissociated properly to calculate mole refractive index of silicon atom and MRI modification value of atoms and groups directly connected to silicon atoms. The calculation result showed that the calculated value is close to empirical value. This atom contribution method provides new method to predict MRI of silane and siloxanes. |
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