The apparent reaction rate constant can be obtained by linear regression.
线性回归得出化学反应速率常数表观值。
There is a regression constant in the linear regression model. But it is not significant in some conditions.
利用线性回归建模时，一般都采用有常数项的模型，而不去考虑它对回归的作用是否显著。
On the basis of our mathematic models of the titration, the content and conditional dissociation constant may be determined by using nonlinear regression.
根据多元酸碱滴定计算通式，针对实际情况化简后，非线性回归同时求出浓度和条件离解常数。
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