For on-site inspections(OSI) under the CTBTO,measurement of the noble gas Argon-37 was considered an important technique,as ~(37)Ar is a definitive and unambiguous indicator of a nuclear underground explosion.
~(37)Ar是地下核爆确定的、明确的指示剂,目前已经被CTBTO确定为现场视察的核查核素,~(37)Ar核查方法是现场视察中重要的技术保障之一。