Now, the last thing worth mentioning is what's known as the carbon-based element-what I love to call the Layer 8 problem (you'll get it later) - the user.
最后一个值得提及的事项是基于碳的元素(carbon - based element)——我喜欢称之为第8层问题(稍后讨论)——用户。
Based on the carbon and oxygen isotopic composition and rare earth element (REE) patterns, the origin of the Dabaoshan deposit is considered to be related to the sea-floor thermal events.
根据含矿层序中的碳、氧同位素组成和稀土元素(REE)模式，认为大宝山矿床是海底热事件的结果。
This paper deals with the formation conditions of black shales based on such analytical techniques as ICP_MS, GC_MS, isotope, organic carbon, element facies and micropetrology.
本文采用GC＿MS、ICP＿MS、形态硫分析、硫同位素、物相分析等方法综合研究了湘西晚震旦世-早寒武世黑色岩系的地球化学特征和形成条件。
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