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引入晶界面积密度s的概念,硼钢中晶界硼浓度C_g与整体固溶硼浓度C_l成正比,而与晶界面积密度s成反比。依据土生的数据,将此二元非线性回归问题化简为一元线性回归问题,建立了C_g与C_l和s的关系式。并指出土生的第12号数据有误。
The introduction of grain boundary area density s concept boron steel boron concentration in the grain boundary C_g and the overall concentration of dissolved boron concentration C_l is proportional to the grain boundary area density s is inversely proportional to. According to the data of the natives, this binary nonlinear regression problem is reduced to the one-dimensional linear regression problem, and the relation between C_g and C_l and s is established. And pointed out that native No. 12 data is wrong.