Meanwhile, adsorption of magnetic X zeolite on Pb2+ is studied.
本文还研究了磁性X型沸石对铅离子的吸附性能。
Pb2+ and DNA could produce conclusion effect, changing the structure of DNA.
能与DNA发生缔合作用，使DNA的结构发生改变。
Ca2 + stimulates enzymatic systems that help trigger the body's immune defences - the investigators wondered if Pb2 + did the same.
Ca2 +可以激发酶系统，从而帮助引发人体免疫反应——科学家们想知道Pb 2 +是否有相同的效果。
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