n.挥发；发散
Gallium and arsenic can be removed as halide by volatilization. 大量的砷和镓可以卤化物形式挥发除去。
They found volatilization of dieldrin tended to decrease as bulk density increased. 他们发现狄氏剂的挥发常随紧实度的增加而减低。
n.脱挥发份作用
