理论模型

Aiming at researching on the theory of the shaft-kind parts form error evaluation and its application, on the basis of the analysis for the geometric model of the roundness error and cylindricity error, the linear programming models of the enclosure evaluation were proposed. According to the features of the proposed models, the solution of the optimization algorithms of linear planning was discussed to obtain accurate evaluation results.

为了对轴类零件形状误差评定理论及应用进行研究，在分析轴类零件的圆度、圆柱度误差评定几何模型的基础上，建立了包容拟合评定的规划数学模型，并针对模型的特点，探讨了使用线形规划的单纯形优化算法进行规划模型的求解，从而获得精确的形状误差评定结果。

We mainly discuss three types of inpainting models: the Bayesian model, geometric models and PDE models with emphasis on investigating TV inpainting, elastica inpainting and Mumford- Shah inpainting of PDE models. After studying the level set method and its applications to image processing, we concentrate on discussing the inpainting model...

在介绍水平集法及其在图像处理方面的应用之后，进一步深入地讨论了一类图像修复的变分模型—Mumford-Shah-Euler模型，在此基础上利用水平集法，提出MSE模型的数值逼近的算法格式，并对一些具体的图像修复问题开展数值模拟和修复，深入分析了MSE模型及水平集法在图像修复中的优缺点，这些结果在理论和实际应用中都很有意义。

In the present paper, a theoretical model of the mobility for multidisperse particles is developed. The present model is the extension of the previous theoretical model and the semi-empirical model for the monodisperse partcles. This model includes the influence of particle size distributions and is suitable for all particles with different materials and with different size distributions.

通过理论分析，本文提出了多分散性尘粒电迁移率数学模型；此模型是典型的电迁移率模型和单分散性尘粒电迁移率半经验模型的扩展，它考虑了粒度分布的影响，适用于各种物质的尘粒和各种粒度分布的尘粒。

Based on the dynamical system of a tuberculosis spread m odel, the dynamical behavior of a tuberculosis spread model with constant immigr ation was discussed, and the local and global asymptotic stability of the endemi c equilibrium on this model is studied by using Hurwitz criterion and multiple m atrix theory. Sufficient conditions for the local and global asymptotically stab ility of the endemic equilibrium on this model are obtained.

在结核病传播的数学模型的动力学系统基础上，利用 Hurwitz 判据和复合矩阵理论，讨论了具有常数移入的结核病传播的数学模型的动力学性质，研究了具有常数移入的结核病模型的地方病平衡点的局部和全局渐近稳定性，得到了具有常数移入的结核病模型的地方病平衡点是局部和全局渐近稳定的充分条件。

Model of two-phase flow on the precess of launch of gun for balance is established.

本文针对以固体弹丸为平衡体的平衡炮发射技术进行理论研究，对平衡炮发射过程建立相应的经典内弹道模型与两相流内弹道的物理模型与数学模型，通过数值模拟的方法，对平衡炮发射过程进行了一些研究，主要研究内容如下：(1)建立经典内弹道模型，通过数值计算，分析平衡炮发射过程中的膛内压力分布特征及平衡发射特征。

In many fields, such as society, economy, business and physical science, factor analysis models is applied in the multi-index system of these fields, but factor analysis models and theory is not complete, which cumbers the application and development of factor analysis.

摘要本文应用因子分析模型L及其解，求出了经典因子分析模型中公因子载荷、公因子、特殊因子的精确解，解决了经典因子分析模型和理论存在的9个问题，进一步，指出了经典因子分析模型及其解根本的局限性问题：公因子解没有排除观测误差的干扰，不能达到降维的目的等。

In general, the major results are:(1) Established the geometrical model for the enwinding of the wire rope in the roller, such as the inclination of the wire rope and the climbing equation of roller in the commutation process;(2) Established the tensile force kinetic model for the enwinding wire rope used the Lagrange kinetic equation and the continual kinetic theory in the start up and retard moment. Solved the equations by the method of modal analysis and separation of variables(3) Based on the analysis on the enwinding mechanism of the wire rope, we did the research on the mechanics behavior of the wire ropes enwinding process.(4) According to the research above, we made the computer program to solve the mechanics models. And after parametric analysis, we made the suggestion for the improving of the current wire rope enwinding system.

主要研究工作有：(1)建立了钢丝绳在滚筒缠绕几何模型，研究了钢丝绳缠绕过程极限偏角及换向过程在滚筒爬坡机理及几何模型；(2)依据LAGRANGE系统广义动力学方程、连续体动力学理论分别建立起升系统启动及制动过程钢丝绳缠绕快绳拉力的动力学模型，并分别采用模态分析法及分离变量法求解；(3)结合对钢丝绳在钻机滚筒缠绕机理分析的基础上，研究了钢丝绳在滚筒缠绕过程力学行为；(4)编制计算机仿真程序对上述模型进行求解，在参数分析的基础上提出对目前钢丝绳缠绕系统结构改进建议。

The applications of outgassing technology in industrial field were summarized with three kinds of outgassing models analyzed,ie.

总结了放气研究在工业领域的各种应用，分析了真空环境下非金属材料放气的三种模型：Schram模型、扩散模型和基于马列夫理论吸附扩散模型。

According to development of the activated-sludge process and the mechanism theories of IAWQ-ASM, a whole frame model, a systematic mathematics model and an expense target function model were established in this paper, which were used for on...

本文根据污水处理活性污泥法工艺的发展趋势，基于IAWQ-ASM机理模型理论，建立了一套完整的用于活性污泥法脱氮除磷A2／O工艺系统方案设计的框架模型、系统数学模型以及费用目标函数模型，并将其整合为一个数学最优规划问题予以求解。

All above works represent some exploring and creative effort to upgrade level and efficiency for design of activated-sludge process.According to development of the activated-sludge process and the mechanism theories of IAWQ-ASM, a whole frame model, a systematic mathematics model and an expense target function model were established in this paper, which were used for on...

本文根据污水处理活性污泥法工艺的发展趋势，基于IAWQ-ASM机理模型理论，建立了一套完整的用于活性污泥法脱氮除磷A2／O工艺系统方案设计的框架模型、系统数学模型以及费用目标函数模型，并将其整合为一个数学最优规划问题予以求解。

They weren't aggressive, but I yelled and threw a rock in their direction to get them off the trail and away from me, just in case.

他们没有侵略性，但我大喊，并在他们的方向扔石头让他们过的线索，远离我，以防万一。

In slot 2 in your bag put wrapping paper, quantity does not matter in this case.

在你的书包里槽2把包装纸、数量无关紧要。