磁控管的温度分布是二阶非线性偏微分方程。
The governing equation of the temperature field of pulse - magnetron is a nonlinear second order partial differential equation .
计算表明分子1具有较大的二阶非线性极化率。
The calculated results indicate that molecule 1 has higher second-order nonlinear optical polarizability.
提出了基于二阶非线性投票的多目标跟踪算法。
This paper proposed a two-stage nonlinear voting-based tracking method.
研究了一类二阶非线性摄动微分方程解的振动性质。
This paper is concerned with oscillation property of solutions of a class of second-order nonlinear differential equation with perturbation.
第二部分是金属酞菁衍生物的二阶非线性光学系数的测定。
The second part reports the estimation of organic second-order nonlinear optical coefficient of the metal-phthalocyanine derivatives.
计算表明分子1具有与分子2几乎相等的二阶非线性极化率。
The calculated results indicate that molecule 1 possesses second-order nonlinear optical polarizability comparable to that of molecule 2.
计算并分析了离散角对有效二阶非线性系数和倍频效率的影响。
The influences of walk-off Angle on effective second-order nonlinear coefficient and SHG efficiency were also analyzed.
讨论了二阶非线性椭圆型方程在多连通区域上的间断边值问题。
The article deals with the discontinuous boundary value problem for nonlinear elliptic complex equations of second order.
在此基础上，研究了分子1的系列衍生物的二阶非线性光学性质。
According to this studies, the second-order nonlinear optical properties of derivatives of molecule 1 were studied as well.
该分析框架保留了二阶非线性项，保证了随机负荷潮流的计算精度。
The framework preserved the second-order nonlinear terms and ensured the computer accuracy.
研究了一类带有非线性边界条件的二阶非线性抛物方程正解的性质。
In this paper, the properties of the positive solutions to a second order nonlinear parabolic equation have been studied.
利用锥不动点定理研究了一类二阶非线性周期边值问题正解的存在性。
A fixed point theorem in cone is used to study the existence of normal solution of second-order periodic boundary value problems.
本文对几类二阶非线性常微分方程，利用首次积分求得了其通积分公式。
This paper has found general integral formulas of some types of two - order nonlinear ordinary differential equations by first integral.
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.
结果表明，所测定的化合物在溶液状态下表现出较强的二阶非线性极化特性。
The results show that these compounds have high values of second-order nonlinear polarizability in solution.
本论文主要研究亚波长周期结构金属薄膜中的超传输现象和二阶非线性效应。
This thesis mainly shows the research of extraordinary optical transmission and second-harmonic generation from sub-wavelength structured metallic film.
研究了具有欠完整立方烷构型的过渡金属原子簇分子的二阶非线性光学性质。
The second-order NLO properties of a series of tri-nuclear transition metal clusters with incomplete cubane-like structures were studied by using the first-principle quantum chemical method.
本文给出了某些二阶非线性微分方程在周期外力作用下存在调和解的若干定理。
In this paper we prove some theorems on harmonic solutions of some second-order nonlinear equations under a periodic external force.
利用辅助函数对一类二阶非线性微分方程进行研究，给出了其解有界的充分条件。
Using the auxiliary function, studies the boundedness of solutions of a kind of 2-order nonlinear differential equations with delay, then gives sufficient conditions of them.
得到了描述球壳内表面运动的二阶非线性常微分方程，并给出了方程的首次积分。
A second_order nonlinear ordinary differential equation that describes the radial motion of the inner surface of the shell was obtained. And the first integral of the equation was then carried out.
本文主要运用锥不动点定理和格林函数研究二阶非线性常微分方程组正解的存在性。
In this paper, we study the existence of positive solutions to second - order nonlinear ordinary differential equations by using fixed point theorem in cones and Green's function.
本文证明了一类二阶非线性双曲—抛物耦合方程组小初值问题整体解的序在唯一性。
In this paper, we prove the global existence and uniqueness of the solutions of the small initial value problems for a class of second order nonlinear hyperbolic - parabolic coupled systems.
苯基脲具有很强的二阶非线性光学效应，其粉末二次谐波产生效率为尿素的11倍；
A primary study was carried out and the results revealed that phenylurea had fairly strong nonlinearity, its powder second harmonic generation efficiency was 11 times larger than that of urea.
论述了多连通区域上可测系数的二阶非线性抛物[型]方程组的初-正则斜微商问题。
The initial regular oblique derivative problem for nonlinear parabolic systems of several second order complex equations with measurable coefficients in a multiply connected domain is discussed.
本文研究了二阶线性随机参激系统和一类二阶非线性随机参激系统的以概率1稳定性。
The stability with probability 1 of second-order linear systems with random parametric excitation and a certain class of second-order nonlinear systems with random parametric excitation is studied.
该文获得了一类具有连续偏差变元的二阶非线性偏泛函微分方程的振动性的充分性条件。
In this paper, we study a class of boundary value problems of even order nonlinear neutral partial functional differential equations with continuous distribution delay.
实验表明光漂白能破坏有机聚合物中极化分子的取向稳定性，造成其二阶非线性效应衰减。
Experiments show that photo-bleaching can damage the orientation stability of polarized molecules in organic polymer and cause its second order nonlinear effect to attenuate.
讨论可测系数的二阶非线性非散度型抛物型方程组在多连通区域上的初-斜微商边值问题。
This paper mainly deals with an initial-oblique derivative problem for nonlinear nondivergent parabolic systems of second order equations with measurable coefficients in a multiply connected domain.
该文讨论了一类二阶非线性中立型差分方程解的振动性，扩充并改进了此类方程的已有结果。
The autheors obtain results on the oscillations of solutions of a second order nonlinear neutral difference equation.
该文讨论了一类二阶非线性中立型差分方程解的振动性，扩充并改进了此类方程的已有结果。
The autheors obtain results on the oscillations of solutions of a second order nonlinear neutral difference equation.
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