题目内容：

英语翻译
the amount of Cu(II)
adsorbed on MWCNTs was calculated by subtracting the mass in
the solution from the mass spiked.
我觉得应该是：由多孔碳纳米管（MWCNTs）吸附的Cu(II)
的量是通过从the mass spiked中减去溶液中的量计算得到的。the mass spiked不能很好的翻译，