本实用新型涉及一种双向泵浦脉冲光参量振荡放大装置。
The utility model relates to a double-way pumping source pulse optical parameter oscillating amplifying device.
作者提出采用气举装置和自激振荡脉冲射流相结合的机电一体化成套疏浚和清淤装置来完成三峡库区疏浚和清淤。
The method using the airlift assisted with the self oscillation pulsed jet for dredging in the Three Gorges Reservoir Region has been presented.
研究了气举的数学和物理模型，探讨了自激振荡脉冲射流作为气举装置破碎器的可行性。
The physical and mathematical model of airlift is given in this paper. The feasibility of the self excited oscillation pulsed jet as breaker of the airlift is researched.
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