| 1. | Amplifier self-oscillates at a frequency depending on the velocity of the fluid .
放大器自激振荡的频率就取决于流体的速度。 |
| 2. | A method to eliminate self - oscillation in testing hfe of low power uhf audion
时自激振荡的一种消除方法 |
| 3. | The analysis and control of self - excitation oscillation in multi - pass systems
多程放大系统中自激振荡的分析和抑制 |
| 4. | Simulative study on eliminating of self - excited oscillation in turning process via neural network control technology
利用神经网络控制技术消除车削过程自激振荡的仿真研究 |
| 5. | There are various kinds of the self - oscillations in the preamplifier system of the high power laser facility , the origins of them were analyzed in theory
摘要分析了高功率激光装置预放大系统内外各种自激振荡的来源，通过理论计算和实验验证提出了各种自激振荡的抑制方法，并在实践中得到验证。 |
| 6. | Finally , the experiment was performed in order to exam the effect . the pulsating liquid flows through a single pipe heated electrically . the heat transfer coefficients were measured under different conditions
将helmholtz共振腔产生的自激振荡脉冲射流引入换热器后，当自激振荡的强度达到一定程度后，可以强化换热。 |
| 7. | ( 3 ) the frequency may transit from the second harmonic oscillating frequency to the third one when the hot temperature is higher than the specific temperature and the pressure is higher than the specific pressure
在实验中发现，在一定的加热温度和工作压力下，系统的自激振荡的频率从第二谐振频率跳变到第三谐振频率。 |
| 8. | It was found in preliminary tests that sound pressures of the oscillations were diminished with tripping wires or side jets when the wires or the jets were introduced into the impinging shear flow in certain ways
初步的试验表明，在一定条件下绊线或旁射流削弱了流动的自激振荡。为探求它们削弱自激振荡的机理，在非撞击剪切层上进行一组可控实验。 |
| 9. | On the basis of the primary studies upon the nonlinear interactions between the unstable waves and the self - excited oscillations in the flow , experiments were focused upon the attenuation effects on the oscillations of tripping wires , side jets and deflected plates , and upon the mechanisms for the attenuations
在对流动的不稳定波之间非线性相互作用过程和自激振荡的基本规律研究的基础上，实验研究了绊线、旁射流和折板削弱自激振荡的效果与机制。 |
| 10. | Just under this urgent consideration , based on the fact that self - oscillation can produce pulsation of flow , to influence the flow boundary layer , thus to increase convective heat transfer coefficient , it is necessary to devote to the mechanism of self - oscillation and apply it to a heat exchanger
正是在这种迫切要求下，基于自激振荡能产生脉冲流动而影响流动边界层从而提高对流换热系数来强化换热的考虑，需要开展对自激振荡的机理及其应用的研究。 |
