TY - Data T1 - Early Cambrian nitrogen cycle and paleoenvironmental significance in the Weiyuan area of southern Sichuan (2022) A1 - CAO guangyao A1 - LIU yu DO - 10.12072/ncdc.geochem.db6652.2024 PY - 2024 DA - 2024-12-03 PB - National Cryosphere Desert Data Center AB - DB - NCDC UR - http://www.ncdc.ac.cn/portal/metadata/948e0620-a64a-40fe-a689-ab8092b86564 ER -