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In general it was difficult to follow the evolution of results in terms of the variables studied. The author reports an increase or decrease the transfer of heavy metals depending on the variables studied and sometimes it was difficult to conclude whether there was really a variation, or if the values shown are statistically the same. Replicas of the experiments were carried out? One suggestion is to use a statistical test of difference between the average to verify that these differences are relevant. ÎÒ×öµÄÊÇÕý½»ÊµÑ飬±à¼ÊÇÈÃÎÒ²¹ÊµÑ黹ÊÇʲôÒâ˼°¡£¬»¹ÓÐͳ¼ÆÊµÑéÊÇʲôÒâ˼£¿ ÖªµÀµÄ˵һÉù°¡£¬µÚÒ»´ÎͶ¸å£¬ºÃ½ôÕÅ |
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