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我们用流动微波放电一化学发光方法测定O(~3P)原子与丁酮在286—513K范围内的化学反应速率常数。反应速率常数与温度关系为k=5.8±1.8×10~(-11)exp(-5.27±0.21kcal/RT) O(~3P)原子由流动微波放电方法产生,以其与NO反应生成NO_2~*的化学发光方法检测。此外,还就O(~3P)和酮类化合物反应速率常数与O(~3P)和烷烃反应速率常数进行了对比。
We measured the chemical reaction rate constants of O (~ 3P) atoms and methyl ethyl ketone in the range of 286-513K by mobile microwave discharge-chemiluminescence. The reaction rate constant is related to the temperature by k = 5.8 ± 1.8 × 10 ~ (-11) exp (-5.27 ± 0.21kcal / RT). O (~ 3P) atoms are generated by the flow microwave method. * Chemiluminescence detection method. In addition, the reaction rate constants of O (~ 3P) and ketones were compared with O (~ 3P) and alkane reaction rate constants.