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Meanwhile, the releasing of P was also closely depended and somewhat inhibited by the Pb2+ connected on the deposit. The P launch quantities throughout the desorption procedures of Pb- and Pb + Cd-loaded sediments were over 50 times lower than those from the natural sediments (sediments without heavy metals adsorbed), however the values diminished by one factor of two for the solitary Cd-loaded sediments. Furthermore, the results of X-ray photoelectron spectroscopy indicated the key role
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