3,3-二叠氮甲基氧丁环/3-叠氮甲基-3-甲基氧丁环共聚物
3-二叠氮甲基氧杂丁环PBAMO
3-bis-azidomethyl oxetane PBAMO
二叠/三叠纪界线
permian-triassic boundary
二叠/三叠系界线层
Permian-Triassic boundary beds
二叠─三叠系界线
permian-triassic boundary
二叠氮季戊二醇二硝酸酯
brick wall without plastering
二叠氮新戊二醇二硝酸酯
neopentyl glycol diazo dinitrate PDADN
二叠纪沉积相带畸变
distortion of Permian sedimentary facies zone
二叠纪锰矿
Permian manganese deposits