| 1. | To some extent this instability is a result of gross overorganizing .
这种不稳定现象在某种程度上是由于粗率和过度组织所造成的。 |
| 2. | These instabilities manifest themselves in irregular combustion and in pressure oscillations .
这种不稳定现象证明其本身存在不规则燃烧和压力振荡。 |
| 3. | At the same time , they also have the unstable phenomenon such as continually swinging , flapping and complicated hydraulic factors
但与此同时，此门型仍存在频繁摆动、 “拍打” 、水力现象比较复杂等不稳定现象。 |
| 4. | The result can reasonable explain the " blanch " phenomena and plasma instability in laser propulsion experimentation that is mentioned in some paper
以氢气和氢氩? ?工质进行了算例计算，计算结果可对国外文献提到的试验中出现的等离子体“漂白”和等离子体不稳定现象进行合理的解释。 |
| 5. | The result can reasonable explain the " blanch " phenomena and plasma instability in laser propulsion experimentation that is mentioned in some paper
以氢气和氢氩为为工质进行了算例计算，计算结果可对国外文献提到的试验中出现的等离子体“漂白”和等离子体不稳定现象进行合理的解释。 |
| 6. | The numerical experiments show that when nondimension parameter 0 . 35 < 0 . 65 , the phenomenon of subcritical instability can exist in two - layer baroclinic atmosphere . the occurrence of subcritical instability is relative to the latitudinal gradient of coriolis parameter
试验结果表明：当无量纲量0 . 35 0 . 65时，斜压两层大气中可能发生亚临界不稳定现象。 |
| 7. | When the pipe is heated or cooled , the centrifugal - type buoyancy force has the obvious effect on the flow structure and temperature distributions , when the ra increases or decreases to a critical value for a given f , the buoyancy force instability also can be found
当管道被加热或冷却时，离心型浮力对流动结构和换热特性作用明显，给定的旋转条件下，当ra _增大或减小到某一临界值，流动会出现离心浮力型不稳定现象。 |
| 8. | The extrusion is successfully divided into three ideal stages through the analysis on the pressing force and displacement curve in the process of extrusion . the mathematical model of three import and one export about extrusion velocity , temperature , extrusion force and displacement was constructed by the combination of first order classic least - square algorithm and least - square linear identifying , and the steady control to extrusion force was realized
采用一次经典最小二乘算法和最小二乘在线递推辨识相结合的方法，建立了以挤压速度、温度和位移为输入，挤压力为输出的三输入单输出数学模型，同时对于在挤压过程压制阶段中出现的不稳定现象，提出了合理的解决方案，能够对挤压过程压制阶段的压制力进行较好的预测。 |
| 9. | The simulating results indicate that the scheme is stable in linear frame , and exists weak instability on the intersecting points of lateral boundary and interface in nonlinear frame . in present stage , a technique of using damping zone to limit the movement of the intersecting points is used to avoid this instability problem , however , to solve it thoroughly , the original model has to be modified in the future
实验证明，在线性框架下该模式是稳定的，但在非线性模拟中却出现了由边界角点引起的弱不稳定现象，必须对模式作进一步修改，为此同时提出了以消波器消除该角点影响的限制性解决方法。 |
| 10. | First super - low specific - speed centrifugal pump has a long and narrow flow passage for its high head and low capacity , and the power absorbed by disc friction is too high , so the efficiency is very low ; secondly the diffusion of flow passage is so high , that the reserved flow often emerges at the inlet and outlet of impeller . therefore the h ~ q characteristic curve is often hump - shaped , and at the low - capacity operating condition the instability often occurs ; thirdly the centrifugal pump at high - capacity operating condition is easy to overload because the n ~ q curve appears a rising trend
首先由于它的扬程较高、流量较小，所以它的流道狭长，圆盘摩擦损失较大，效率相对较低；其次由于它的流道扩散较严重，易在叶片进口产生回流和在出口产生脱流，扬程流量特性曲线易出现驼峰，在小流量工况下易产生不稳定现象；第三，由于其功率流量曲线呈现上升趋势，在大流量区运行时电机易过载。 |
