gas breakdown threshold 气体击穿阈
breakdown threshold value 击穿阈值
breakdown threshold power 击穿阈值功率
optical breakdown threshold 光致破坏阈值
Laser-induced breakdown threshold of air 大气击穿阈值
threshold of air breakdown 空气击穿阈值
The method of the invention can reduce the breakdown threshold, increase the ablation efficiency and prolong the life of plasma.
该方法降低了击穿阈值，提高了烧蚀效率，并能够延长等离子体的寿命。
The breakdown and the thermal nonlinear effect is studied in theoretical and experimental aspect. The breakdown threshold of the air and water vapor also had been measure.
本文从理论和数值上研究了大气击穿效应和热晕等非线性光学效应问题，并通过试验测试了空气的击穿阈值和水蒸气的击穿阈值。
The results show: pulse power density from CO2 laser reaches air breakdown threshold through thrice reflecting focus system, and plasma radiation phenomena is observed in the experiment.
结果表明，脉冲co 2激光功率密度经三次反射激光聚焦系统达到空气击穿阈值，实验中观察到等离子体发光现象。
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