The experiments showed that the production rates of 2 or 3 per joule of irradiation energy was raising with the increase of the incident laser beam intensities at low light intensity and had a tendency to saturate at high intensity.

• 实验表明；在低激光强度照射时；每照射1焦耳能量生成2和3的量随着激光强度的增加而增加；并显示出饱和趋势.