Wells sampled for groundwater-age dating in New Hanover County, North Carolina

Sulfur hexafluoride (SF6) is a trace atmospheric gas that is primarily of anthropogenic origin but also occurs naturally in fluid inclusions in some minerals and...六氟化硫（Sulfur hexafluoride, SF6）是一种痕量大气气体，其主要源于人为活动，但在部分矿物的流体包裹体中也可天然存在，且……