Perfluorocarbon measurements from IODP Hole 337-C0020A

Geocode = [m CSF-A] Top Core depth (below sea floor)Plus signs (+) indicate detection by MPN-PCR, with the number of plus signs indicating the highest dilution factor of DNA...地理编码（Geocode）的取值为[m CSF-A]，对应检测指标为顶部岩心深度（海底以下）；其中加号（+）表示样本经最大似然数聚合酶链反应（MPN-PCR）检出，加号的数量代表DNA的最高稀释倍数……