iridium anomaly

基本解释

• [地球科學]銥異常
• [化學]銥異常
• [生物學]銥異常

英汉例句

雙語例句

• The dating of the stable isotope of the egg shell and the enrichment anomaly of Iridium is used to inquire into the extinction of the dinosaurs.
  利用測定蛋殼的穩定同位素和銥元素富集異常探討恐龍絕滅；
• After discovery of iridium anomaly in Early Cambrian stone coal in Hunan province, scientistsbegan to guess the possibility of a meteorite impact event from geochemical aspects.
  湖南省早寒武世石煤層的銥異常發現之後，人們紛紛從地球化學方麪推測一次隕石撞擊事件的可能性。

權威例句

• Eubrontes giganteus, for example, is there a mere 10, 000 years after the iridium anomaly.
  ECONOMIST: The rise of the dinosaurs
• Both an iridium anomaly and a fern spike appear in rocks at the end of the Triassic, too.
  ECONOMIST: The rise of the dinosaurs

• iridium anomaly更多例句

专业释义

地球科學

• 銥異常

化學

• 銥異常

生物學

• 銥異常