常見例句The abundance patterns of 29 elements at a Permina- Triassic boundary section, Changxin, Zhejiang, China were studied by RNAA and INAA. 用放射化學(xué)和儀器中子活化分析,研究了浙江長興二疊系/三疊系(P/T)界線剖面中29種元素的豐度分布。RNAA Request Network Address Assignment 請(qǐng)求網(wǎng)絡(luò)地址分配radiochemical neutron activation analysis(RNAA) 放(射)化(學(xué))中子活化分析 返回 RNAA