查询词典 stability conditions

The concept of harmonic control between two systems is presented. Necessary and sufficient conditions are given for harmonical stabilization of two systems. These results can be generalized to harmonic stability problems for more than two systems. Examples are given to illustrate the results.

提出了两个系统协调控制的概念，主要研究了不同系统间的互助合作问题，给出两个系统间可协调稳定的充要条件及构造协调控制律的算法，并举例说明了所给结果的有效性，这些结果都可以向多系统协调稳定问题推广。

Urban soil bodies generally exist in the hydrochemistry environment of normal temperature, atmospheric pressure and slow variation. Under this kind of conditions, the chemical components in soil, which are an essential factor affecting the stability of soil, play an important role in this kind of environment, and also have an important influence on surface subsidence, production of earth holes and so on.

城市区域的土体环境一般是处在常态即常温、常压、缓变异的水化学环境中，在这种环境中，影响土体稳定的要素－土体中的化学组份扮演著重要的角色，而其对诸如地面沉降、土洞的产生都有重要影响。

Through research into the features of the structure and loads about the guiding plate ,the structures and its capacity of fighting a wind is analyzed by ANSYS,and its strength、stability and kinetical natures obtainedThe guiding plate 's structure is redesigned unedr certain conditions,a new guiding plate obtained which is safe and economy.

通过研究路面交通指示牌的结构特点和载荷，利用ANSYS对结构及其抗风性能进行了分析，得到了指路牌的强度、稳定性和动力学特征。

The wet-heat inactivation of endo- myrosinase s in intact rapeseeds, stability of glucosinolates during heat treatment and the optimal conditions for enzymatic hydrolysis were investigated.

同时对菜籽内源硫苷酶的湿热灭活条件及硫苷的湿热稳定性进行了研究，并优化了酶解的工艺条件。

In the past 3 years, we have made the following progress:（1）we devised some theoretical schemes performing quantum information processes in encoded subspaces under the condition of general interaction models;（2）considering some practical physical systems,we provided some more efficient schemes performing quantum information processes under actual physical conditions;（3）we studied the stability of the entanglement in 2-qubit system under several decoherent environments;（4）we studied the optimal successful probability of some kinds of nondistortion quantum interrogations in quantum subspaces;（5）we also investigated some fundamental questions in quantum information fields such as quantum channel,quantum teleportation etc.

近三年来，我们在以下方面取得进展：（1）研究了在一般的相互作用下，直接在子空间中实施各种量子信息过程的理论方案；（2）针对于当前的某些实际的物理系统，研究了在现有的实验条件之下，如何高效地实施各种量子信息过程的方法；（3）研究了2-qubit量子系统的纠缠在各种消相干环境下的稳定性问题；（4）研究了量子子空间实施无损伤的量子质询的最佳效率；（5）我们也研究了量子信道、量子隐形传态等量子信息的基础问题。

Based on the dynamical system of a tuberculosis spread m odel, the dynamical behavior of a tuberculosis spread model with constant immigr ation was discussed, and the local and global asymptotic stability of the endemi c equilibrium on this model is studied by using Hurwitz criterion and multiple m atrix theory. Sufficient conditions for the local and global asymptotically stab ility of the endemic equilibrium on this model are obtained.

在结核病传播的数学模型的动力学系统基础上，利用 Hurwitz 判据和复合矩阵理论，讨论了具有常数移入的结核病传播的数学模型的动力学性质，研究了具有常数移入的结核病模型的地方病平衡点的局部和全局渐近稳定性，得到了具有常数移入的结核病模型的地方病平衡点是局部和全局渐近稳定的充分条件。

In order to increase the practical application of this waster water treating technology, in this text, we tried to improvement the feasible on economy and technology from preparation of photocatalysists, design of reactor and the influence of different reaction conditions etc.A P25 TiO2 film supported on UV light surface was prepared using sol-gel method at 200℃ calcinations temperature, and the photocatalyst has shown a good stability and performance for the photodegradation of orthocresol solution irradiated with UV light of 254nm, when reaction for 30min, the photodegradation still more then 85%.

为了更快地将这种处理技术用于大规模生产当中，本文以焦化废水中的邻甲酚作为目标污染物，试图从催化剂薄膜的制备、反应器的设计、反应条件的影响等各方面来深入研究TiO_2膜催化剂的催化降解作用以便促进提高其实际应用中的经济技术可行性。

Products have good thermal stability anddecomposition temperature above 200℃; Selected lauryl amine as a case, then optimizedthe synthesis conditions by orthometric trial, and obtained the best synthesis technichs: themolar ratio of 1: 2.1, the reaction temperature was controlled at 80℃and the reaction timeof 16 h, reaction to the solvent n-propanol.

并对其热稳定性进行了分析，合成产物具有较好的热稳定性，分解温度都在200℃以上；以十二胺为例，用正交实验法优化合成条件，获得最佳合成工艺为：摩尔配比为1：2.1，反应温度控制在80℃，反应时间为16h，反应所用的溶剂为正丙醇。

In Chapter 4, image space reconstruction algorithm and regression ICA are employed to construct a new algorithm for the estimation of overcomplete ICA and the stability and convergence conditions are also analyzed.

在第四章，我们把回归ICA以及盲信号分离中图像重构方法应用于ICA，从而获得一个新的欠定ICA算法，论文还分析了所提出算法的稳定收敛条件。

As fluorescent probe they must satisfy the following requirements: First, good water-solubility; Second, good thermal stability in physiological conditions; Third, good membrane penetrativity and have no toxicity to cells; Forth, long excitared wavelength and high quantum yield.

作为细胞内的成像探针，必须满足以下要求：(1)良好的水溶性；(2)在生理条件下具有良好的热稳定性；(3)良好的膜穿透性，并且对细胞是无毒的；(4)有较长的激发波长和较高的量子产率。

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。