unstable system

  • 释义

    不稳定系统

数据更新时间:2025-11-14 17:11:25
1、

Foams are thermodynamically unstable systems due to their high gas-liquid interfacial area. The system has the tendency to decrease the interfacial area.

泡沫属于热力学不稳定体系,泡沫的不稳定性在于体系具有较大的界面面积和较高的表面能,所以体系具有减少界面面积使其能量降到最低的自发趋势。

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2、

The increase of PEG concentration changed the phase balance in the PSF/ PEG casting membrane liquid system which became an unstable one, and speeded up the phase separate.

PEG浓度的增加,改变了PSF/PEG铸膜液体系的相平衡关系,使铸膜液成为热力学不稳定体系,加速了相分离的发生。

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3、

LQG/ LTR is used to design tank horizontal stabilizer, to solve the unstable phenomenon of LQG controller under random disturbance. System simulation shows, that LQG/ LTR controller has good robustness.

应用LQG/LTR控制方法设计坦克水平向稳定器,以解决在随机干扰作用下坦克稳定器LQG控制器可能出现的不稳定现象,系统仿真表明,应用了LTR过程的LQG控制器具有很好的鲁棒性。

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4、

After comparing the speed of rotation time-domain curve diagram of the motor with the ideal curve diagram, we gain the result that the dynamic characteristic of this pump-controled motor system is bad and unstable.

通过比较仿真后的马达转速时域曲线图和理想的马达转速时域曲线图,得出该泵控马达系统的动态性能和稳态性能差的结论;

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5、

Emotionally unstable and having difficulty coping with personal relationships. This film shows the library system of Azusa Pacific University.

情绪不稳定并且在维系人际关系上有困难的。此影片精练地介绍了美国亚苏莎太平洋大学图书馆系统的设置、行的情况。

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6、

According to the stability region theory of constrained dynamic system, the restricted stability boundary is composed of stable manifolds of unstable equilibrium points, periodic orbits and semi-saddles on the boundary, and portions of the boundary of the feasible region.

根据带约束动力系统稳定域理论,其受限稳定边界由边界上不稳定平衡点、周期轨和半鞍点的稳定流形以及部分可行域边界构成。

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7、

The surface film must be very thin , then , the social system quite unstable and unhealthy.

这意味着社会的表面光鲜然而不堪一击, 社会体制事实上十分不稳定且不健康.

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8、

Moreover, we can confirm that a time invariant delayed system will be ultimately unstable as delay increases if there exists at least one imaginary root.

进一步,我们可以断定一个一般形式的时不变参数时滞系统随时滞的增加将最终不稳定,如果该系统含有至少一个特征虚根。

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9、

The unstable zeros of a non minimum phase system are difficult problems for feedforward controller design.

非最小相位系统的不稳定零点给前馈控制器的设计带来了很大的困难.

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10、

In the wide range of inlet subcooling ( 0 K system flow condition, namely, ( 1) stable two-phase flow, ( 2) bulk and subcooled boiling unstable flow, ( 3) subcooled boiling and single phase stable flow.

在进口过冷度相当宽范围内(OK<ΔT<28K),对系统流条件,存在3个区域,即稳定的两相流,整体和过冷沸腾不稳定流和过冷沸腾以及单相稳定流。

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