查询词典 instability constant

In terms of the synoptic environment and precipitation characteristics, there were some common characteristics in these two cases. For instance, warm and moist air with the conditional instability atmosphere in the lower troposphere, it was associated with the highest equivalent potential temperature gradient and strong moisture contrast to below 700 hPa. The lower-level convergence was the major produced mechanism of MCS and the low-level southwesterly flow generated convective instability.

从综观环境条件与降水特徵显示，两个案共通特徵包括（1）低对流层属暖湿条件性不稳定大气，（2）最大相当位温梯度以及水气梯度分布於700 hPa以下，（3）低层辐合均为个案中MCS之重要激发机制，（4）有明显低层西南喷流，大气呈现对流性不稳定状态，（5）中层短波槽线的移入，以及（6）高层辐散分流场的存在，提供MCS发展的有利环境条件。

Introduces how to prevent and emendation control the voltage instability program of electric power system using the indicator of voltage instability in detail.

详细介绍了利用电压不稳定指示器来预防与校正控制电力系统中的电压不稳定性问题。

Falsework instability damage to the damage from the elastic stability of the instability that features (refer to the critical buckling load, and modal) is a limit on the basis of capacity.

模板支架的破坏为失稳破坏，由弹性稳定性分析得出的失稳特征是研究极限承载力的基础。

I think the instability in the Middle East as a direct result of the instability in the region.

我认为中东的不稳定直接造成了这个地区的不稳定。——2002年

According to the analysis of compression instability, a new kernel function is proposed which can remove the instability effectively.

本文在分析出现压缩失稳现象原因的基础上，提出了一种新的核函数，消除了压缩失稳现象。

Based on the nonlinear dispersion relation of electromagnetic wave in relativistic plasma, the nonlinear controlling equation for linearly polarized mode is obtained using Karpman's method. The modulation instability of intense laser pulse propagating through relativistic plasma is analyzed and the modulation instability growth rate as a function of perturbation wave number for laser beam propagating through relativistic plasma is given.

从相对论等离体中电磁波的非线性色散方程出发，利用Karpman方法获得了线性偏振波模所满足的非线性控制方程，在非线性色散方程和非线性控制方程的基础上对线性偏振激光在相对论等离体中传播的调制不稳定性进行分析，给出了调制不稳定的时间增长率与扰动态波数之间的函数关系。

The research of pressure hull buckle in this paper is to evaluate the global buckle strength. When we discuss the general instability, not only calculate the eigenvalue but also analyse non-linear buckle. At last, we consider the practical material properties to realize the general instability behavior.

本文在压力壳挫曲强度的研究上，主要是针对整体结构之挫曲破坏，在讨论结构之挫曲行为时，除了求解挫曲特徵值，更进一步考虑非线性挫曲，并探讨材料塑性行为对结构挫曲强度的影响，以了解压力壳材料发生挫曲时之实际行为。

A high frequency secondary instability mode is detected, which rides on the primary instability wave in time domain and appears at the inflectional point of mean streamwise velocity profile.

结果表明，高频二次不稳定性在时域上表现为骑在基频波的特定的相位区域。

The results show that the quintic nonlinearity plays a role similar to the case of neglecting the group-velocity mismatch in modifying the modulation instability, namely, the positive and negative quintic nonlinearities can still enhance and weaken the modulation instability, respectively.

结果表明，五阶非线性对调制不稳定性的影响与忽略群速度失配的情形是类似的，即正负五阶非线性分别能够增强和减弱调制不稳定性。

This text proceed with the theory of the vibration, utilize typical elastic hinge law analyze structure dynamics characteristic when the blade is quivered to instability, and then use relevant knowledge of blade vibration to simplify the model and the aerodynamic force of the vibration. Through the simplification, we can get the equation of the blade, which is dispersed to its instability. Then VISUAL BASIC procedure is utilized to work out thecharacteristic value of vibration and the vibration frequency. At last comparing the result which is calculated by the above-mentioned theory formulae with the result which is calculated by internationally agreed procedure ANSYS to verify the accuracy of the formula of reduction.

本文从振动理论入手，利用最为典型的弹性铰链法分析叶片发生颤振失稳时的结构动力学特性，然后对振动模型及振动时所受的气动力进行简化，利用简化方程得到叶片发生发散失稳时的振动方程，利用编制的VISUAL BASIC程序解出振动的特征值并得到振动频率，最后分别通过上述的理论公式和国际通用的有限元程序ANSYS对风力机叶片模型进行发散失稳时的频率计算，验证简化公式的准确性。

"Bird Man's Diary, Butting on the Love Island", Changsha, China

2008年"鸟人日记，顶在爱情岛"，中国长沙

As long as they were in the service of a family of wizards, their magic would remain dormant.

只要他们一天为家庭服务，他们的法力就潜藏不动。