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本文研究了Ｋ￣＋，Ｃａ￣（２＋），Ｍｇ￣（２＋）等几种金属离子以及盐度对菲律宾蛤仔（Ｒｕｄｉｔａｐｅｓｐｈｉｌｉｐ－ｐｉｎａｒｕｍ）张壳快慢的影响。并认为在一定的条件下，Ｍｇ￣（２＋）有促进蛤体张壳的作用。
In this paper, the effects of several metal ions such as K ~ +, Ca ~ (2+), Mg ~ (2+) and salinity on the shell velocity of Ruditapesphilip-pinarum were studied. And that under certain conditions, Mg ~ (2+) to promote clams Zhang shell role.