adj.同位（素）的，合痕的

The isotopic composition of the rocks can provide valuable information about their origin.
石头的同位素组成可以提供关于其来源的宝贵信息。
Scientists used isotopic dating to determine the age of the fossil.
科学家利用同位素测年法确定了化石的年代。
The isotopic ratio of carbon-14 to carbon-12 in a sample can be used for radiocarbon dating.
样品中碳-14与碳-12的同位素比值可用于放射性碳测年。
Isotopic labeling is a technique used to trace the passage of substances through chemical reactions or biological systems.
同位素标记是一种用于追踪物质通过化学反应或生物系统过程的技术。
The isotopic analysis of water samples helps in understanding the hydrological cycle and groundwater dynamics.
水样的同位素分析有助于理解水文循环和地下水动力学。
Researchers conducted isotopic fingerprinting to identify the source of pollutants in the river.
研究人员进行了同位素指纹识别以确定河流中污染物的来源。
Isotopic substitution experiments can reveal how a protein interacts with its ligand.
同位素替换实验可以揭示蛋白质与其配体如何相互作用。
In nuclear medicine, isotopes are used for diagnostic imaging and therapeutic purposes.
在核医学中，同位素被用于诊断成像和治疗目的。
Oxygen isotopic ratios in ice cores can give us insights into past climate conditions.
冰芯中的氧同位素比率可以为我们深入了解过去的气候条件提供线索。
The isotopic signature of strontium allowed archaeologists to track the movement of ancient people across different regions.
钡的同位素特征使考古学家能够追踪古代人在不同地区之间的迁移。