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。
We compare these signatures with those of particular elements like zinc or lead, to determine what the pigment was made of.
急性铅暴露可能影响小鼠的行为改变，如易怒、运动亢进、学习和记忆迟钝等。
Acute exposure to lead may impact mice behavior altering such as irritability, hyperkinesis, retardation of learning and memory, etc.
这个国家拥有煤炭、铁矿石、石灰石、菱镁矿、石墨、铜、锌、铅和贵金属等矿脉。
The nation boasts veins of coal, iron ore, limestone, magnesite, graphite, copper, zinc, lead and precious metals.
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