稳定性

When the parameters are unknown, based on the Lyapunov theory, corresponding controller and the adaptive law of parameters are designed to suppress chaos to any unstable equilibrium by the adaptive control strategy. The asymptotical stability of chaos control is guaranteed in theory by lemma of Barbalat.

当该混沌系统的参数未知时，基于Lyapunov稳定性理论，利用自适应控制策略，设计了相应的非线性控制器和参数自适应律将混沌系统的轨道控制到其任意一个平衡点，并借助Barbalat引理，从理论上证明保证了混沌控制的渐近稳定性。

The mechanisms ofthe magnetic field influence to the stability of the vacuum discharge are analyzed also,and it isproved that the second anode action of the magnetic filtering duct can improve the vacuum arcdischarge stability of the system dramtically.

就磁场对系统弧放电稳定性的影响的机理进行了讨论，肯定了磁过滤管道作为第二阳极对提高弧放电稳定性的作用。

Using the new comparative method, the variation of constants formula, M-matrix theory, integral differential inequality, new theoretical results on global exponential stability of neural networks with bounded time-varying delays and Lipschitz continuous activation functions have been obtained.

利用新的比较方法的思想，改进了一维线性和非线性纯时滞微分系统的3/2稳定性定理，推广了Yorke条件到具两个时滞项的情形，将Yorke等人的3/2稳定性定理推广到具两个时滞项的线性和非线性纯时滞微分系统，进一步还推广到N维纯时滞微分系统，为纯时滞神经网络的研究打下理论基础。

Existence and uniqueness of the variational solution are established.

详细分析了半离散化格式的稳定性，给出了格式的稳定性条件。

The versal unfolding theorem obtained in this paper by using DA-algebras tools introduced by Damon not only includes many corresponding results but also cancels the stronger demand on the codimension of a bifurcation Problem in some of relevant references to establish more general unfolding theory.

本文第二章进一步研究在(来源：AB00c6C论文网www.abclunwen.com)接触等价群作用下上述等变分歧参数及其开折的稳定性问题，得到了这类分歧问题是稳定的等价于它是无穷小稳定的结论，并且用横截性条件刻画了这类分歧问题的稳定性。

The more the value of D is closer to the critical value, the more the stability of land use type is worse, and the complexity of land use type is higher; verse vice.

分维值越接近该临界值，该土地利用类型的稳定性越差，复杂程度越高；反之，则该土地利用类型的稳定性较强，复杂程度较强，复杂程度较低。

The changes of molecular weight and viscosity of the UV-curing coatings during storage were determined by GPC and viscometry .

用凝胶渗透色谱和粘度法跟踪测定光固化涂料贮存期间的分子量参数和粘度，探讨了影响光固化涂料贮存稳定性的各种因素，对2种光固化树脂在加入不同光引发剂、不同活性稀释剂后的贮存稳定性作了评价。

In view of the different sterilization objects, the dilution times and the usage of hydrogen peroxide are different. As for fermenting pots and pipelines, the technical procedures are as follows: hot water washing (10-20 min), then 2 %-3 %(60-85 ℃) soda solution washing (15-20 min), then clean water washing (10-15 min), 2 %-3 % acidic cleaner washing (10-15 min), then clean water washing (10-15 min), an...

针对不同的消毒杀菌对象，其稀释倍数和用法不同，对发酵罐及管路的杀菌工艺：热水冲洗(10-20min)，2％-3％(60-85℃)的碱液冲洗(15-20 min)，清水冲洗(10-15 min)，2％-3％的酸性清洗剂冲洗(10-15 min)，清水冲洗(10-15 min)，0.5％稳定性双氧水喷淋(10-15 min)，检验合格；对鲜啤桶的杀菌工艺为：鲜啤桶，自来水冲洗2 min，控净，0.5％稳定性双氧水喷淋1 min，鲜啤酒灌装。

When the electricity power system runs correctly, the excitation control system maintains the voltage of the generator and the whole system, distributes the wattless loads equitably over the generators, improves the steady-state stability and the dynamic stability of the electricity power system.

在电力系统正常运行的情况下，维持发电机或系统的电压水平；合理分配发电机间的无功负荷；提高电力系统的静态稳定性和动态稳定性[1]。

The effects of pH value, temperature, light, metal ions and additives on the stability of red pigments from waxberry were studied.

研究了pH值、温度、光照、金属离子和添加剂等对杨梅鲜汁中红色素稳定性的影响，结果表明：杨梅果汁中的红色素对酸碱度极其敏感，热稳定性差，耐氧化和还原性极差，防腐剂的消色作用较大。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。