摘要
通过对脂肪醛及脂肪酮中羰基进行染色,计算脂肪醛和脂肪酮距离矩阵及邻接矩阵的最大本征值.据此定义新拓扑指数W,并分别与脂肪醛、脂肪酮的沸点T和摩尔折射率Rm进行非线性回归.结果表明,回归方程的相关性系数达到优级,能很好地预测脂肪醛和脂肪酮的沸点及摩尔折射率Rm.用拓扑指数W能够很好地预测脂肪醛和脂肪酮的结构和性质.
The maximum eigenvalue of the distance matrix and adjacency matrix can be calculated by staining the carbonyl of aliphatic aldehydes and aliphatic ketones. Based on the calculation results, we define a new topological index W, and make nonlinear regression with both the boiling point and molar refraction Rm of aliphatic aldehydes and ketones. The correlation coefficient of the regression equation achieves excellent grade, The results indicate that the topological index W can be used to predict both the boiling point and ketones molar refraction Rm, as well as the structure and property, of both aliphatic aldehydes and ketones.
出处
《宁夏大学学报(自然科学版)》
CAS
2013年第3期225-229,233,共6页
Journal of Ningxia University(Natural Science Edition)
基金
国家自然科学基金资助项目(20772055)
青海省高等学校研究生创新基金资助项目(QHGJ02012001)
关键词
脂肪醛
脂肪酮
拓扑指数
本征值
回归方程
aliphatic aldehydes aliphatic ketones
topological index
eigenvalue
regression equation