AbstractThe quenching rate constants of CH (A, B, C) by CH3Cl and CH (C) by CH2Cl2, CHCl3 and CCl4 were measured at room temperature by means of laser photodissoctation-fluorescence quenching technique.

• 本文用激光光解－荧光猝灭方法测定了CH3Cl对CH（A，B和C）及CH2Cl2、CHCl3和CCl4对CH（C）的猝灭速率常数。