目的探讨我国二甲基甲酰胺 ( DMF ) 的生物接触限值 ( BEI ).Objective To explore the biological exposure indices ( BEI ) of dimethylformamide ( DMF ) in China.研究表明,该反应器可有效降解苯甲酰胺.The results show that the new type reactor could degrade benzamid...
食人部落a tribe of cannibals他那锋利的食人肉的牙齿,因为寒冷和愤怒而显露着, 在黑暗中闪闪发光.His sharp cannibal teeth revealed by cold and wrath, gleamed through the dark.食人族把吊床上的人叫做什么?What does a cannibal call a man in a hammock?...