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  • Shark teeth contain natural 'toothpaste'
  • 點閱:4
  • 作者:
  • 出版社:Next Animation Studio
  • 出版年:2012
  • 集叢名:All about animals Natural and Social Science Animation.4,動物大觀園
  • 格式:JPG
租期14天 今日租書可閱讀至2020-03-03

Shark teeth contain fluoride, the key ingredient in most toothpastes, according to the study, recently published in the Journal of Structural Biology. The enamel of shark teeth contain the mineral fluoroapatite, instead of hydroxyapatite, which is found in human teeth.

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租期14天
今日租書可閱讀至2020-03-03
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