Say we determined a pigment was made with zinc, for example.
比如说，我们确定一种颜料由锌制成。
2
We compare these signatures with those of particular elements like zinc or lead, to determine what the pigment was made of.
我们将这些特征与锌或铅等特定元素的特征进行比较，以确定颜料是由什么构成的。
3
The resistance to corrosion of an epoxy coating containing the pigment of zinc chrome yellow was studied using electrochemical impedance spectroscopy (EIS).