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wangze638

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dahai10234: 金币+50, 翻译EPI+1, ★★★很有帮助, 差不多吧，谢谢了！ 2013-01-17 13:01:47

As shown in table 3 110 kinds of silane and silicone compound as a sample, the research group contribution molecular structure and molar refraction and the relationship between the molar volume. Use experimental data to calculate the compound molar refraction and molar volume, as well as for each of this compound were used respectively to type (3) and (4) to describe the functional group type and quantity and compound molar refraction and molar volume, the relationship between the use "wheat quarts method + general global optimization method" algorithm respectively on molar refraction and molar volume equations are nonlinear regression, obtains each group molar refraction contribution value Gi and molar volume contribution value Vi (table 2). Using the regress each group molar refraction contribution value and silane, silicone or gather any of molecular structure, we can calculate and gained the compound molar refraction.

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