Existence of Global Solutions to a Damped Wave Equation with a Nonlinear Memory Term

Chapter 2 is concerned with exterior problem of a damped wave equation.

在第二章，主要研究二阶带耗散项的线性和半线性波动方程外问题。

In this paper the authors study the existence and uniqueness of global strong solutions and global weak solutions for a class of strongly damped wave equations with nonlinear source term and nonlinear boundary damping term. The authors also discuss the uniform decay of solutions.

这篇文章研究一类带非线性源项和非线性边界阻尼项的强阻尼波方程强解和弱解的整体存在性和唯一性，进而也讨论解的一致衰减。

In this paper the local existence of solutions for a class of strongly damped wave equations is considered, and the global existence and blow-up of solutions based on the potential well theory is studied.

讨论一类强阻尼波方程解的局部存在性，并利用势井理论研究解的整体存在性和爆破性。

The Quantum Fluctuations of Mesoscopic Parallel Damped Double Resonance Mutual Inductance Coupled Circuit

介观互感耦合阻尼并联双谐振电路的量子涨落

Comparison of three fractal and fractional derivative damped oscillation models

三种分形和分数阶导数阻尼振动模型的比较研究

Damped oscillation and adjustment of internal resistance of source

衰减振荡与信号源内阻调整

Supersonic Wave ′ s Vibration Range Measurement System The Amplitude of Damped Oscillation

超声波加工工件振幅检测系统原理及部分信号处理电路阻尼振动的振幅

The Numerical Analyses for Nonlinear Damped Oscillation of a Type

一类非线性阻尼振动的数值分析

Conditions and characteristics of resonance produced by linear forced damped oscillation

线性受迫阻尼振动发生共振的条件及特征

Self-sustained oscillation characteristic of thermoacoustic stack is quantitatively proven based on thermodynamic theory to be negative damped oscillation.

从热动力学理论出发，定量地证明回热器的自激振荡特性为负阻尼振荡。

Mathematical Essence Analyses of Damped Oscillation

阻尼振荡的数学本质分析

The essence and deficiency of the conventional modelling method based on exponentially damped oscillatory waves are analyzed, and an improved modelling method based on the distortion phenomenon in propagation of the vibration signals of circuit breakers is proposed.

分析了常规的指数衰减振荡波建模方法的实质和不足，提出了基于断路器振动信号传播中畸变现象的改进型建模方法。

Modelling Method for Vibration Signals of High Voltage Circuit Breakers Based on Exponentially Damped Oscillatory Waves

高压断路器振动信号的指数衰减振荡波建模方法

Numerical results showed that film thickness experienced damped oscillations before reaching stable state.

计算结果表明：弹流油膜在达到稳态之前会经历一段时间的衰减震荡。

According to the micro-fluctuation theory the windshear has no influence on the short-period motion and the damped rise-fall motion of the half-amplitude time while the frequency of the rise-fall motion and damping changes in accordance with the windshear.

小扰动理论指出风切变对短周期运动和阻尼起伏运动至半振幅的时间无影响，但起伏频率和阻尼率随风切变而相应地变化。

The logarithmic spiral method is a good way of describing damped harmonic motion.

对数螺线方法是描述阻尼谐振动的一个好方法。

Du Jun entered a narrow pen, fed his Hong Kong identity card into a reader and put his thumb on a fingerprint scanner, after which a small gate was supposed to swing open.

杜军走进一个狭窄的围栏，把香港身份证插入阅读器，拇指放在指纹扫描仪上，这时一扇小闸门应该会自动打开。

He mentioned when he was in Shanghai a few years ago he saw a small gate with a sign of "Fudan University" beside it.

他说前几年到过上海，看到有个小门，挂着个牌子，上面是“复旦大学”四个字。

Eight years, he saw a small river south gate of the village fish species, algae dead, more sick villagers witnessed the pain and suffering.

八年来，他眼见南门村小河里鱼虾绝种、水藻枯死，更目睹了村民们患病的痛楚。

It looks like a small city gate.

感觉就好像一座小小的古城门一样。