isotopic
英[aisəu'tɔpik]美[aisəu'tɔpik]
同位素的
[数]合痕的
[数]合痕的
形容词：i'sotop'ic
副 词：i'sotop'ically
- 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。收藏 - Isotopic studies from geothermal fields indicate that about 95% of the thermal fluid from steam wells is meteoric in origin
地热田油同位素研究证明:蒸气井热流体的95%左右是大气降水成因的。收藏 - Inorganic Mass Spectrometry is preferably used each time extremely low concentrations and isotopic abundance are to be determined.
每当测定非常低的浓度和同位素丰度时总是首先使用无机质谱法，收藏 - isotopic abundance ratio
同位素丰度比收藏 - The time required for half the nuclei in a sample of a specific isotopic species to undergo radioactive decay.
半衰期放射性样品的原子核经历一半放射性衰变所需要的时间收藏
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