isotopic的例句（isotopic在句子中的用法）

• The isotopic signatures of most ancient limestones indicated the same process. 大多数古代石灰岩的同位素特征说明了同样的过程.
• This article briefly describes the method and applications of isotopic dilution mass spectrometry ( IDMS ). 本文扼要地叙述了同位素稀释质谱 ( IDMS ) 及其在化学计量学中的应用.
• Evidence from isotopic dating suggests that the greenstone belts vary considerably in age. 来自同位素年龄鉴定的证据指出,绿岩带在年龄上彼此变化相当大.
• The isotopic dating and fossil geochronometry are the basic methods of ophiolite geochronometry. 同位素测年及化石年代学法是蛇绿岩年代学研究的基本方法.