元素

拟合方程

异常下限计算值

异常下限实际取值

Au

方程1:lgN(r)1 = −3.53009 lgr + 21.09371 r < 44.03

44.03

40

方程2:lgN(r)2 = −2.25807 lgr + 16.49105 r ≥ 44.03

Hg

方程1:lgN(r)1 = −3.39528 lgr + 4.83265 r < 0.61

0.61

1

方程2:lgN(r)2 = −1.52234 lgr + 5.45111 r ≥ 0.61

Sb

方程1:lgN(r)1 = −5.24926 lgr + 16.70724 r < 8.53

8.53

10

方程2:lgN(r)2 = −1.66259 lgr + 8.74373 r ≥ 8.53

W

方程1:lgN(r)1 = −3.62537 lgr + 18.9033 r < 22.93

22.93

20

方程2:lgN(r)2 = −2.02713 lgr + 13.97854 r ≥ 22.93