The abundance patterns of 29 elements at a Permina- Triassic boundary section, Changxin, Zhejiang, China were studied by RNAA and INAA.

• 用放射化学和仪器中子活化分析,研究了浙江长兴二叠系/三叠系(P/T)界线剖面中29种元素的丰度分布。