元素 | 镍 | 铜 | 锌 | 钼 | 镉 |
镍 | - | 0.014 | 0.025 | 0.490 | 0.180 |
铜 | 0.659* | - | 0.092 | 0.693 | 0.486 |
锌 | 0.617* | 0.487 | - | 0.022 | 0.021 |
钼 | 0.211 | 0.121 | 0.626* | - | 0.000 |
镉 | 0.396 | 0.212 | 0.632* | 0.830** | - |