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This problem is also important and valuable in Nonlinear Optics. It will be very helpful to understand how the aberrations affect the course of three- wave mixing, such as the change of conversion efficiency, the distribution of intensity and phase.Small signal solution of aberrated second harmonic generation is deduced from three-dimension three wave coupling functions. The numerical work gives out lot of results of different aberrations. The effects of the fundamental waves aberrations, which will change the conversion efficiency, distribution of intensity and phase in the frequency conversion, is analyzed. It shows that when walk-off and diffraction effects could be ignored approximately estimation of the phase distribution of second-harmonic wave could be done. The far field divergent angle and second moment radius of harmonic wave will vary with the aberration of fundamental wave, but the far field divergent angle will be obviously smaller than that of fundamental wave. The phase distribution of both fundamental and harmonic wave is measured using Hartmann-Shack wave front sensor in the experiment with 1064nm and 790nm lasers, respectively. Results are given.

首次从三维三波相互作用方程组推导得到了位相畸变光束倍频的小信号解；通过建立国防科学技术人学研究生院学位论文三维数值模型，编写相应仿真程序，首次得到了位相畸变光束倍频过程的大量计算结果，深入细致地研究了位相畸变光束经非线性光学频率变换后谐波的转换效率、光强分布、位相分布以及影响它们的各种因素；得出谐波的远场发散角和光斑二阶矩的变化规律会因为基波像差的不同而不同，但谐波的远场发散角明显地比相应基波的小的结论；得到了在走离效应和衍射效应等影响许多因素可以忽略的情况下，位相畸变传递到二次谐波的估算式；举例分析了KDP三倍频方案中，基波位相畸变对二次谐波和三次谐波的影响；实验工作中，用哈特曼一夏克传感器分别对IO64nm倍频过程和790飞秒超短脉冲倍频过程中的基波和谐波的位相分布进行了测量，给出了相应结果。

Small signal solution of aberrated second harmonic generation is deduced from three-dimension three wave coupling functions. The numerical work gives out lot of results of different aberrations. The effects of the fundamental wave's aberrations, which will change the conversion efficiency, distribution of intensity and phase in the frequency conversion, is analyzed. It shows that when walk-off and diffraction effects could be ignored approximately estimation of the phase distribution of second-harmonic wave could be done. The far field divergent angle and second moment radius of harmonic wave will vary with the aberration of fundamental wave, but the far field divergent angle will be obviously smaller than that of fundamental wave. The phase distribution of both fundamental and harmonic wave is measured using Hartmann-Shack wave front sensor in the experiment with 1064nm and 790nm lasers, respectively. Results are given.

首次从三维三波相互作用方程组推导得到了位相畸变光束倍频的小信号解；通过建立三维数值模型，编写相应仿真程序，首次得到了位相畸变光束倍频过程的大量计算结果，深入细致地研究了位相畸变光束经非线性光学频率变换后谐波的转换效率、光强分布、位相分布以及影响它们的各种因素；得出谐波的远场发散角和光斑二阶矩的变化规律会因为基波像差的不同而不同，但谐波的远场发散角明显地比相应基波的小的结论；得到了在走离效应和衍射效应等影响许多因素可以忽略的情况下，位相畸变传递到二次谐波的估算式；举例分析了KDP三倍频方案中，基波位相畸变对二次谐波和三次谐波的影响；实验工作中，用哈特曼-夏克传感器分别对1064nm倍频过程和790飞秒超短脉冲倍频过程中的基波和谐波的位相分布进行了测量，给出了相应结果。

Mosquito is a communicator. And communication is a process of mutation. It is all about deceits and lies. In the context of my work, mosquito plays a role as the joint.

蚊子是传播者，传播的过程是一个变异的过程，在这个过程中满是欺骗与谎言，在我的作品体系中，蚊子应该是一种承接者，起了一个转折的作用。

The corresponding statistical properties are considered, especially about diffusions. It's very necessary to introduce correlations in subordination, for example to skewness and kurtosis.(2) Applied time deformation to three kinds of asset pricing. They are economic time pricing, life insurance and automobile insurance problems.

提出&相关从属&的定义：现有的时间标度研究主要是建立在&从属&概念上的，它要求过程之间必须是独立的，但是现实中的过程往往具有相关性，因此提出了相关从属概念，并进一步讨论了特定条件相关从属过程的统计性质，主要是扩散性质，通过对偏度和峰度的讨论，说明了在从属中引入相关性是十分重要的；2。

By analyzing the deficiencies of offensive realism, this paper advances three evaluating laws: 1 alienation, i.e., during the developing process of IR theory, there is both self-affirmation and self-negation to gain its contemporary legitimacy; 2 assimilation: i.e., IR theory evolutes from entirely different to continuous conjunction, showing its characteristics when harmonizing with others to gain its contemporary rationality; 3 fundamentalisation: like any other kinds of thinking, when IR theory has come into being, it gets the trend of fundamentalization, i.e., affirm itself by negating the opposites to gain its contemporary teleonomic.

文章在分析进攻性现实主义的不足时提出了国际关系理论的三大演绎律1）异化：即理论发展过程中既有不断肯定自我的过程，也有不断否定自我的过程，以获得现时代的合法性；2）同化：即各理论从泾渭分明到不断通约，在融合中展示自身特质，获得现时代的合理性；3）原教旨化：与任何其他人类思维形式一样，理论一旦形成，都具有原教旨倾向，即不断否定对立面来肯定自身，获得现时代的合目的性，并以此探讨对待国际关系理论的一般性问题。

That is to say, during the starting process of induction motor, hold-off angle of current has gradually decreased from initial value to zero. The method can always make the displacement angle less than thyristor's firing angle. So the voltage of the induction motor won't oscillate. Therefore, the oscillation of current, electromagnetic and speed can be eliminated during the soft-starting process of induction motor. This paper verifies the correctness of the method by simulation at first.

根据上述原因，本文提出了采用关断角控制的新型控制策略，这种控制策略是使电动机在起动过程中的电流关断角由某一初始值逐渐减小到零，利用该方法可以使感应电动机起动过程中的续流角始终小于晶闸管的触发角，这样续流角的变化就不会引起电动机端电压的振荡，因而就从根本上消除了感应电动机软起动过程中的振荡现象。

Malolactic fermentation is a very important processing technology for deacidificaton in modern winemaking.

苹果酸乳酸发酵是现代葡萄酒酿造工艺中重要的生物降酸手段。MLF是L 苹果酸在乳酸菌的苹果酸乳酸酶催化下转变成L 乳酸的酶促反应过程，该过程没有底物水平的磷酸化，但在MLF过程中苹果酸确实能够刺激细菌的比生长速率，增加细菌生物量。

Microstructure-evolution of the silicon nitride ceramics sample during sintering process was investigated by a synchrotron radiation X-ray computed tomography technique. The projection images of the sample were obtained during the sintering process in real-time. 2-D and 3-D reconstructed images were obtained by treating the projection images of different sintering periods with filter back projection arithmetic and digital image processing methods.

利用同步辐射CT技术，在氮化硅陶瓷样品烧结过程中对其进行实时投影成像，并应用滤波反投影算法和数字图像处理技术，得到了样品在整个烧结过程中内部微结构演化的二维和三维重建图像，实现了对陶瓷固相烧结过程实时、无损的观测。

On the basis of the investigation of different moments, the concept of generalized moments is firstly defined and then, an abstract algorithm framework for computing the accurate generalized moments is presented. The framework replaces integrals on 2-dimensions space by summations on 1-dimension ORBIR list without introducing the error incurred by discrete sampling, and therefore, reduces the computation complexity for moments generation.

矩在工程实践中的应用非常广泛，在考察矩的实质的基础上，定义了泛化矩的概念，并研究泛化矩的生成框架，该框架在不引入离散化过程中存在的采样误差的前提下，将矩生成过程中需要的二重积分运算转化为在一维的ORBIR矩形序列上的求和，因此降低了矩生成的计算复杂度。

It is proved that the model is in good agreement with the literature data. Standard error is less than 0.01(σ.01). Using this model, process simulation of the experiment of the test of orifice - plate flow - meter is carried out on computer.

在孔板流量计或文丘里管的计算过程中，习惯上常常使用查表的方法以确定孔板流量计的流量系数，但是，在化工过程模拟计算过程中，这种方法却难以奏效。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。