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|  | | 为了更好的帮助您理解掌握查询词或其译词在地道英语中的实际用法,我们为您准备了出自英文原文的大量英语例句,供您参考。 | |
It was found that an increase in the flow rate resulted in the appearance of various complex oscillations.
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Phase reset of complex oscillations by a pulsed action
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A system of nonlinear differential difference equations is derived, which describe the behavior of an oscillator with delay and inertia under the action of complex oscillations in a given time interval.
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A general approach to investigations of the dynamic behavior of nanostructures is developed and applied to the study of complex oscillations in resonance tunneling structures.
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Complex oscillations in a double-circuit self-oscillator built on a field-effect transistor on the basis of the inductive three-
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In this paper, we investigate the complex oscillation of the differential equationf"+B1f'+B0f=F, whereB0,B1,F≠0 are finite order meromorphic functions having only finitely many poles and the order ofB1 is larger than that ofB0.
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A problem of complex oscillation for homogeneous linear differential equations
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Under a combined dominant condition, an open problem of complex oscillation for the equationw(k) + Aw = 0 is set, wherek?3, a(z) is a transcendental entire function.
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Results of numerical modeling describing the fluctuation of water-cells in a vertical slot support the idea of thermally unstable water column in a hole, the instability of which produces a complex oscillation system.
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The complex oscillation of nonhomogeneous linear differential equations with transcendental coefficients is discussed.
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| | The proposed protection component,which is responsive to abrupt current change during line fault,is a new one for distance protection. It simplifies the traditional complicated wiring of oscillation and loss- of-voltage blocking and improves the performance of this type of pro- tection device,particularly the reliability and sensitivity to detecting faulty phase in case of non-symmetric phase-to-phase fault. | | 本文提出探讨的差流比突变量元件是一种新型的突变量电流元件。其新颖之处在于非对称相间故障时对故障相的可靠选辨能力。这种新型突变量元件的实现,为改革距离保护繁琐复杂的振荡、失压闭锁方式,简化保护装置接线,提高和完善保护的性能提供了可能。 | | 文摘来源 | | This paper discusses the complicated oscillation behavior of power systems affected by small perturbations of load or transmission line impedance. The mathematic model is established. The Melnikov method is used to introduce the conditions in which various oscillation phenomena occur. The corresponding conclusion is made. The study shows that complicated oscillations may exist in power systems which do not lose synchronization. The work of this paper provides a theoretic analysis way to understand the oscil... | | 本文讨论电力系统受负荷或线路阻抗小扰动的复杂振荡行为。建立了它的数学模型,用Melnikov方法导出产生各种振荡现象的条件,得到相应的结论。研究指出:电力系统可能存在复杂振荡现象而不失步的情况.本文为解释和认识电力系统的振荡机理提供了一种可能的理论分析. | | 文摘来源 | | Changing the concentration of sulfuric acid in glucosc-KBrO3-acctone-MnSO4 -H3SO4 system induces a scries of complex oscillating phenomena. There are two different kinds oscillating waves (OA and OB) which appear when the concentration of sulfuric acid is over 0.36mol · l-1 or below 0.074mol · l-1. When the concentration of sulfuric acid is in the range of 0.074 mol · l-1 to 0.36mol · l-1, the subsequent oscillating waves divided by the transient area could be observed. Experiments show that oscillation in ... | | 本文首次报导了葡萄糖-KBrO_3-丙酮-MnSO_4-H_2SO_4体系的化学振荡反应,在这一体系中改变酸度可产生一系列复杂的振荡现象,当[H_2SO_4]_0>0.36mol·l~(-1)或[H_2SO_4]_0<0.074mol·l~(-1)时,体系分别出现二种不同类型的振荡波形OA和OB,OA振荡存在一诱导期,OB振荡无锈导期;OA的振幅较小,但振荡频率比OB快得多;OB的振荡周期逐渐缩短,但OA.却相反变化.当0.074mol·l~(-1)<[H_2SO_4]_0<0.36mol·l~(-1)时,体系同时出现上述二种类型的振荡波形,中间存在一过渡区域,即产生连续振荡波形.文章讨论了诱导期及过渡时间与[H_2SO_4]_0的关系,对酸度的影响机理作了说明. | | 文摘来源 | |   | | << 更多相关文摘 |
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