At present determine the lead, the copper in food commonly used atom absorptionlaw.
目前测定食品中铅、铜常用原子吸收法。
2
Because of the pollution, the content of Fe in plant can not be obtained by the normal absorptionlaw.
铁的测定由于污染原因，以致测试结果不能正确反映植株对铁的吸收规律。
3
By weight method, the water absorptionlaw and its effect on the propagation reliability of plastic nonel tube under different water dipping conditions were investigated in this paper.