Metadata
Author: ParaCrawl Corpus
Data
English[en]
δ13 CPDB denotes the measured difference of the ratio of 13 C/12 C (both stable isotopes) in the sample compared to the PDB (Pee Dee Belemnite) standard—a fossil belemnite from the Cretaceous Pee Dee Formation in South Carolina, USA.
Chinese[zh]
返回文章 δ13 CPDB 表示与PDB(南卡罗来纳州白碚石)标准样品相比,样本中碳-12 / 碳-13 (均为稳定同位素)的比例差异。