查询词典 stability conditions

Stability is one of the most important conditions in which we numerically solve the wave equations.

稳定性是数值计算波动方程的最重要条件之一。

According to these two curves and the stability curve of laser welding titanium alloys, the penetrative conditions were confirmed.

为解决钛合金易受空气中有害气体污染的问题，设计并加工了专用的焊接夹具和气体保护拖罩，取得了良好的焊接效果。

In the dark conditions, the addition of citric acid could improve the stability of perilla pigment in green plum fruit wine.

在避光条件下，添加柠檬酸能提高紫苏色素在青梅酒中的稳定性。

Conditions for permanence and global stability of the system are also obtained.

此外， 还得到了系统一致持久和全局渐近稳定的条件。

According to the plane cross section assumption, configuration of a rod is expressed as a history of the cross section with arc coordinate. A special solution which stands for equilibrium in straight line state is obtained from differential equilibrium equation. Linear perturbation equation is derived and its general solution is obtained in which the integral constants are determined by constrained conditions at two ends of the rod. The condition of existence of non zero solution of the integral constants gives to the Greenhill formula of exact elastic rod model, which shows that the boundary of stable area is a closed curve and of symmetry, and inference of shearable and extensible to stability of the rod is depend on three factors: difference between flexibility of shear and extension of a section of the rod, bending stiffness and the length of the rod.

基于平面截面假定，弹性杆的位形表达为截面的弧坐标历程，根据平衡微分方程得到了两端受力螺旋作用时的直线平衡特解，导出了线性化扰动方程及其通解，积分常数根据两端铰支时的边界条件确定，并根据其存在非零解的条件得到弹性直杆精确模型的Greenhill公式，表明稳定域为一对称的封闭区域，拉/压和剪切对稳定性的影响取决于：拉/压柔度与剪切柔度之差，抗弯刚度和杆长这三个因素

Potassium silver cyanide and potassium gold cyanide, which stability constants are very large, were used as the starting materials for the preparation of silver and gold powders. Adjusting the concentration ratio of protective agent to reducing agent and other reaction conditions can control the size, shape and morphology of precious metals nanoparticles.

使用氰化亚金钾和氰化银钾等稳定常数很大的金和银配合物作为制备纳米金粉和银粉的前驱体，控制保护剂／还原剂的比例以及其它反应条件，可以有效地控制粒子的大小、形状以及粒子聚集体的形貌。

A 'pre-conditioning' run of the model was then conducted applying the full annual cycle of the boundary conditions for four cycles until a degree of stability occurred.

pre-conditioning'的模型进行了应用全年度周期的边界条件，为4个周期的治疗直到某种程度的稳定性。

For the some classes of neural networks with time delays, by constructing proper vector Liapunov functions and nonlinear integro-differential inequalities involving both variable delays and unbounded delay, using matrix theory, sufficient conditions for absolute exponential stability are obtained.

对于几类具有变时间滞后和无穷时滞的人工神经网络，利用矢量Liapunov函数法，得到了的神经网络平衡点指数稳定的充分条件。

If we can find out which parts of sleep are most key to emotional stability, we already have a good range of drugs that can push and pull at these kinds of sleep and maybe help treat certain kinds of psychiatric conditions.

如果我们找出睡眠中哪些部分对情绪稳定最为关键，我们就有了能影响睡眠的一大批药物，也许就能帮助治疗特定类型的精神病情

Studies on basic working principles and designs of fiber lasersThe basic working principles as well as the major characteristics of laser and fiber lasers are firstly reviewed,including the interaction between light and matter, the laser oscillation conditions and the spectrum distribution,the gain characteristic and spatial hole burning effect,the influence of external environment on the stability of laser output and the actual limits of fiber laser bandwidth;The designs of bidirectional single-mode Er-doped fiber ring laser and multi-wavelength laser is then discussed,respectively;The characteristics of dynamic grating reflection spectrum of the fiber saturable absorber is systematically analyzed.?

在激光型光纤传感器的设计、实验现象的理论解释等方面做了如下的研究工作：光纤激光器的基本原理与设计方案概述了激光和光纤激光器的基本原理，包括光与物质的相互作用，激光振荡的条件及频谱分布等激光产生的基本原理：掺铒光纤的增益性质，空间烧孔效应和外界扰动对激光输出稳定性的影响，光纤激光器的实际极限带宽等光纤激光器的相关知识；分别讨论了双向单纵模环形腔激光器和多波长激光器的设计方案；系统地分析了掺杂光纤饱和吸收体中形成的动态光栅的反射谱特性。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。