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dissipative system相关的网络例句

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To understand the properties of the transfer function of parallel tube-manifold system in wind tunnel test,an analysis is made of several parameters related to the transfer function on the basis of the dissipative model with some qualitative rules on perallel tube-manifold system obtained.

风洞刚性模型测压试验是获得建筑结构风荷载的重要方法。刚性模型的测压管路系统一般包括模型表面的金属短管及连接金属管和传感器的PVC管等管道元件。为了得到结构风压的完整信息,应在模型表面布置尽可能密集的测点。

The system is characterized by the overall function greater than the sum of partial functions, diversity and indeterminacy of its physical makeup, diversity of structure and reservoir types, diversity and relevancy of reservoir formation processes, special stages, non-linearity and dynamics of its evolution, and the multiple disciplines involved in it. It is also an open and dissipative system and has the features of self-organization and orderliness of hydrocarbon distribution.

其主要特点是:整体功能大于局部功能之和;物质组成的多样性和不确定性;系统结构和油气藏类型的多样性;成藏过程和成藏作用的多样性、关联性;系统演化的阶段性、非线性、动态性;系统的开放性、耗散性;系统涉及学科的多样性;系统的自组织性和油气分布的有序性。

It studies the evolutionary mechanism of the port economics system on basis of Ilya Prigogines dissipative structures theory and the evolutionary impetus of the system from two aspects of managing innovation and technological advancement.

进一步地,根据港口经济系统的特性,建立了港口经济系统的动态非线性演化模型,从而揭示了港口经济系统的演化规律。

From the aspect of synergetics, it is recognized that competition and synergia between the subsystems and among their elements are the internal dynamics of system coordination development, and from the aspect of dissipative theory, it is recognized that the inflow of negative entropy is the external restraint of system coordination development.

从协同学角度,分析了子系统之间和要素之间的竞争与协同是人才资源系统与经济系统协调发展的内部动力;从耗散结构理论角度,分析了人才资源与经济协调发展必须借助于复合系统之外的&负熵流入&作为外在约束条件。

Besides, there exists the third class time boundary layer, i. e. inner time boundary layer, and inside it, the system can be treated as a adiabatic non-dissipative system.

此外,系统还存在第三类时间边界层,即内时间边界层,这时可以将系统处理成绝热无摩擦系统。

The following exciting results are revealed: 1 When considering the influence of some nonlinear elements such as hard-limit of exciters, the effects of some devices such as Power System Stabilizer and Static Var Compensator which can introduce positive damping in power system, the reasonability of system parameter values in simulation, the SNB surface and HB surface on the boundary of SSSR will turn close to each other and even coalesce together; 2 Under some conditions, coupling between slow exciters and shunt capacitors will bring negative damping in power system dynamics, which increases the possibility of oscillatory instability. So the power system with mass shunt compensators is easily subjected to the oscillatory instability. In recent years, chaotic phenomena of power system have been reported many times. Some simulation studies even found chaos existing inside the power system SSSR. In this dissertation, chaotic phenomena in power systems are thoroughly studied in order to make clear the relation of chaos and SSSR. The following results are derived: 1 Based on Li-Yorke Theorem and their definition on the chaos, the existence of chaos in power system is verified; 2 Three possible routes of causing chaos in power system are found and deeply investigated. They are route of cascading period doubling, route of directly initial energizing and route of torus bifurcation (or quasi-periodicity). The latter two routes are investigated for the first time in power system stability studies; 3 When the stability conditions of chaos are broken, it is found they can lead to voltage collapse, angle divergence, or voltage collapse with angle divergence simultaneously.

针对在电力系统小扰动稳定区域内可能存在混沌吸引域的有关报道,本文深入研究了电力系统混沌现象的出现途径和与系统失稳模式之间的关系:1利用Li-Yorke定理和Li-Yorke的混沌定义,从理论上证明了电力系统混沌现象的存在性;2发现了电力系统中导致混沌出现的三种可能途径:倍周期分岔导致混沌、初始能量直接激发混沌和经由环面分岔导致混沌,并对后两种新发现的途径进行了较为细致的研究;3发现了混沌极限环破裂导致电压崩溃、角度失稳以及电压崩溃和角度失稳同时出现的现象,其中混沌极限环破裂导致系统角度失稳和电压崩溃及角度失稳同时出现的现象均属首次报道;4证明由微分-代数方程描述的系统模型,其小扰动稳定域的边界只包含HB、SNB和SIB三种分岔界面,在SSSR的内部和边界上,均不可能存在会导致混沌的点,从而将混沌现象排除在小扰动稳定域的研究之外,简化了后者的研究工作。

Factory remaining hot water, remaining vapor and boiler heating system, were adopted in tilapia overwintering. Every step, such as site selection, pond and fish preparation, cultivation of fish, fish selection, timing of overwintering, stocking density and managements during overwintering, was compared among three systems. The results of data analysis showed that the survival rate in remaining hot water system was 12% higher than in remaining vapor system and 21.25% higher than in boiler heating system. The overwintering cost in remaining hot water system was 735 Yuan/m~3, which was 18 Yuan lower than in remaining vapor system and 71.4 Yuan lower than in boiler heating system. The profit in remaining hot water system was 201 Yuan/m~3, which was 162 Yuan higher than in remaining vapor system and 275.4 Yuan higher than in boiler heating system.

本论文采取了余热水、余热气、锅炉加温三种方式对进行罗非鱼越冬保种,从地点选择、越冬池、鱼的准备、越冬苗种的培育、越冬前催肥、越冬鱼的选留、越冬鱼进池时间和密度、越冬期间饲养管理等环节进行对比试验获得了三种方式的试验数据并进行了分析讨论,结果显示:余热水越冬雌亲鱼的成活率比余热气越冬高出12%、比锅炉加温越冬高出21.25%;余热水越冬雌亲鱼的成本每立方米为735元比余热气越冬的成本每立方米低18元、比锅炉加温越冬的成本每立方米低71.4元;余热水越冬雌亲鱼的利润每立方米为201元比余热气越冬的利润每立方米高162元、比锅炉加温越冬的利润每立方米高275.4元。

First, based on the nonlinear differential algebraic model of power system, a dissipative Hamiltonian realization is proposed via pre-feedback control.

首先建立了系统的非线性微分代数方程模型,通过预置状态反馈完成了耗散Hamilton实现。

Therefore, this chapter, in the first place, discusses the axiomatization of theory ofevolution and introduce in detail Williams' axiomatic system about evolution. Insecond place, it discusses the dissipative theory and the hypercycle theory. Thisdiscussion is actually about a kind of semantic which is the molecular model.

因此,在这一章,首先,对进化理论的公理化形式进行讨论,详细介绍了Williams进化论的公理系统;其次,讨论耗散结构理论和超循环论,实际上是讨论了关于进化论的演绎公理系统的一种语义或分子层次的模型。

In a kind of quasi dissipative systems the disappearance of some elliptic periodic orbits and the elliptic islands around them via a collision with the discontinuous border of the system function can be observed.

在一种类耗散系统中观察到了椭圆周期轨道及其周围的椭圆岛与映象不连续边界碰撞而消失的现象。

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No, it's unnecessary. I don't think I have a fever.

不,没有必要,我想我没有发烧。

We live in a culture of instant gratification.

我们生活在即时满足的文化中。

Had he the power,he would efface the civilizations of the human race!

假如他拥有权力,他会抹杀人类的文明!