本文给出一类双曲偏泛函微分方程解的振动准则。
In this paper, oscillation criteria of solutions for a certain partial functional differential equations are obtained.
本文建立一类中立型双曲方程边值问题解的振动准则。
In this paper some oscillation criteria are established for solutions of a class of neutral hyperbolic boundary value problems.
此外，作者还给出了一类具有连续变量的偏差分方程的振动准则。
Furthermore, the author gives the oscillation criteria of some partial difference equation with continuous variables.
本文建立了一类带偏差变元的偏微分方程边值问题解的振动准则。
In this paper some oscillation criteria are established for solutions of boundary value problems of a class of partial differential equations with deviating arguments.
本文建立了一类带偏差变元的偏微分方程边值问题解的振动准则。
In this paper a new oscillation criterion for second order nonlinear differential equations was established.
讨论了一类二阶非线性泛函微分方程的振动性，得到一些新的振动准则。
The oscillation of a class of second-order nonlinear functional differential equations is discussed, and some new oscillation criteria for the equations are obtained.
本文给出关于二阶非线性常微分方程和时滞微分方程的一些新的振动准则。
This paper discusses the oscillation of second order nonlinear ordinary differential equations and delay differential equations. Some new oscillation criteria for the equations are obtained.
研究一类具有连续分布滞量的偶数阶非线性中立型泛函微分方程解的振动性，得到了该类方程的若干新的振动准则。
We study the oscillation of solutions for a class of even order nonlinear neutral functional differential equations with continuous distributed delay.
并采用等往复振动能量准则建议了能量集中楼层的弹塑性位移计算方法。
Based on the equal cyclic energy criterion of vibration, the computation method of inelastic displacement at the energy concentrated storey of the structure is suggested.
在此基础上，本文给出了双圆弧齿轮传动的小振动、低噪声设计准则。
On this basis, a design criterion of small vibration and low noise for the dual circular-arc gears is given out in this paper.
本文讨论的是管道系统振动的测试与分析技术，并提出建议的管道评价准则，同时介绍国外相关标准情况。
The paper describes the testing and analysis techniques for piping system vibration, and proposes some pipe vibration evaluation criteria, and also introduces some foreign standards related.
同时引入基于类可分离性测度的降噪评价准则，实现了对复杂振动信号的降噪效果的评价。
While introducing noise reduction evaluation criteria, which based on class separability measure for noise reduction, this paper evaluated the noise reduction effect of complex vibration signals.
文中得到几个振动性准则和离散谱准则，并将这些结果应用到常微分方程。
Some oscillatory criteria and discrete spectrum criteria are given, and we can apply them to the ordinary differential equations.
机械振动与冲击刚性状态转子平衡准则。
NFE90-600 Mechanical vibrations and shocks. Balancing criteria of rotors in a rigid state.
该方法对综合研究爆破振动危害机理和爆破地震效应，特别是为构建爆破振动速度频率相关安全准则提供了一种有效的分析技术。
This method is effective for studying the mechanism of blast vibration damage and blast seismic effect in its entirety, specially, for constituting velocity-frequency criteria.
研究一类非线性的偶数阶中立型时滞微分方程，得到了该类方程解振动的几个新的判别准则，得到的结果推广了已有文献中的结果。
The oscillatory criteria of even order nonlinear neutral delay differential equations are studied. The results obtained extend several results in known literature.
建立了这类系统在两类不同边界条件下强迫振动的若干判别准则。
Several forced oscillation criteria are established for such systems subject to two different boundary conditions.
从工程上常用的振动设计准则出发，定义了振动问题的破坏模式，给出了以结构自振频率和外载频率为基本随机变量的安全边界方程。
A vibration failure mode of structural system was presented according to engineering design criterion. The safety margin equation of the vibration failure mode was developed.
基于最大应力信息熵原理，针对振动结构给出了传感器布局的优化准则。
It presents an optimality criterion for the placement of sensors in the vibration structure. The basic idea is the maximum stress information entropy.
研究一类具有连续分布偏差变元的高阶非线性中立型时滞偏微分方程，获得了方程解振动的一些新的判定准则。
The oscillations for a class of nonlinear neutral delay partial differential equations with continuous distributed deviating arguments is discussed.
研究一类具有连续分布偏差变元的高阶非线性中立型时滞偏微分方程，获得了方程解振动的一些新的判定准则。
We obtain sufficient conditions for the oscillation of all solutions of the nonlinear high order neutral functional differential equation with continuous deviating arguments.
在汽水换热条件下，对流作诱导振动强化传热规律进行了试验研究，得到了管外对流换热的准则方程式。
Experiments were carried out on the heat transfer characteristics of the elastic tube bundles used in steam-water heat exchanger. The…
在汽水换热条件下，对流作诱导振动强化传热规律进行了试验研究，得到了管外对流换热的准则方程式。
Experiments were carried out on the heat transfer characteristics of the elastic tube bundles used in steam-water heat exchanger. The…
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