形式模型

The exterior roughness of model and form of material assignment has great effect on the calculating result of models.

模型表面的粗糙程度和材质赋予的形式对模型的计算结果有较大影响。

So this model can simulate all kinds of properties of concrete after loading, such as nonlinear stress-strain relationship for concrete, stiffness phenomenon under cycle load, phenomenon compression and expansion for concrete with shearing, strain soften phenomenon while beyond strength limit. Furthermore because the best merit of this model is simple in expression, model parameters are determined more easily and application is convenient easily.

可以模拟混凝土受力后的各种特性，如混凝土的非线性应力—应变关系，循环荷载作用下的刚度退化现象，剪力引起的混凝土的压缩和膨胀现象和超过强度极限的应变软化现象等，且这种模型的最大优点是表达形式简单，模型参数比较容易确定，便于应用。

A layered multimodal network diagram for routing purposs is built. The viable routing problem is then formulated as a generalized shortest route problem with penalty factor, aiming at minimizing the cost of the total transportation in multi- modal networks. Assumptions and detail descriptions of the model are presented. Compendious solution thought and consultable algorithms are provided.

通过构建直观的联合运输网络图，以总运输成本最少为优化目标，将多方式联合运输合理路径的选择和优化问题转化为含有超期惩罚因子的广义最短路模型，对模型的假设和数学形式做了详细的描述，并提供了简要的求解思路和参考算法。

The method can solve numerical problems as well as symbolic problems in which the coefficients are symbolics other than numerical values.

本文提出的这一方法用来求解数值模型和符号模型（即已知系数是符号而不是具体数值）的符号形式表达的最优解和/或求解问题的全部最优解。

So called reservoir is physical or mathematical; for a physical system, the mathematical model is a system of partial differential equations with related initial and boundary value conditions, it can describe important physical process occurring in the system, for example, the process occurring in reservoir, which mainly concludes flow of fluids and transportation of mass, gravity、 viscosity、compressibility have effect to it; differential equations describing this process are obtained by combining Darcy law of every phase and its mass equilibrium in differential form.

这种模型是物理的或数学的；一个物理系统的数学模型，是偏微分方程组和适当的一组初、边值条件的总体，它能够描述在系统中发生的重要的物理过程，比如在油藏中发生的过程，主要是流体的流动和质量的转移，重力、粘滞力、压缩性等在流体流动过程中都是起作用的；描述这个过程的微分方程是由将各相达西定律和各该相的微分形式的物质守恒相结合而得到的。

The properties and expression of knowledge are discussed in brief and binary and multiple truth expression and inference of knowledge are studied focally. The neural networks which can realized the three valued logic are overviewed. The new idea of uncertain inference based on three valued logic is proposed for the first time The models of neural logic, which can realize three valued logic and uncertain three valued logic inference are proposed, too. The learning algorithm of coefficient of MVL's function based on the canonical realization of MVL network is investigated for the first time and the appropriate algorithm is proposed.

4简要地论述了知识的特征及其表现形式，重点研究了知识的真值二值和多值表示法以及基于知识真值表示法的逻辑推理；通过对目前可实现三值逻辑推理的逻辑神经元及其网络的简要回顾，指出了各自的局限性，首次提出了基于三值逻辑的不定性推理的新概念以及可实现三值逻辑和三值逻辑不定性推理的逻辑神经元模型，同时对基于这种逻辑神经元模型的推理系统的应用领域进行了探索性尝试；另外，首次对基于多值逻辑网络正规实现的多值逻辑函数的系数参数的学习算法进行了研究，并提出了相应的学习算法。

The structure beam response control method based on the traveling wave model was discussed theoretically. The theoretical traveling wave model was applied to a long thin beam with piezocrystal actuators and the traveling wave active control law for the condition of making measurement upstream and performing control downstream was derived and the control compensator formula of the flexural waveguide in the form of transcendental function was deduced.

从理论上探讨了基于行波模型的结构梁响应控制方法，在梁及压电陶瓷作动器处采用行波理论模型，导出了上游测量、下游点施加控制的行波主动控制律及相应的具有超越函数形式的控制补偿器表达式。

The feedback effect of viscous heating on fluid damping force is considered based on a three-parameter model and a dynamic model including a heat transfer and energy transformation equation is developed,and the state of heat balance of the damper is discussed.

主要针对长阻尼孔形式下的流体阻尼器进行分析，在三参数模型的基础上研究了流体粘性发热对流体阻尼力的反馈作用，从而建立了含热能转换与热交换的阻尼器的动力学模型，同时对系统的热平衡状态进行了分析。

In this paper, the stress-relaxation bahivior of pig shoe upper leather was studied by generalized Maxwell models.

本文首先以猪皮鞋面革为研究对象，研究了广义Maxwell模型对皮革应力松弛行为的适用性，并利用广义Maxwell模型研究了其离散应力松弛时间谱的形式。

The yeast of Saccharomyces cerevisiae is an ideal biomaterial to be used for exploring the mechanism and for actual util...

结合自己的研究成果，总结了酿酒酵母作为生物吸附材料的优点、研究中的表现形式和吸附性能，重点讨论了酿酒酵母生物吸附机理，介绍了等温吸附平衡模型和动力学模型在酵母生物吸附中的应用情况。最后提出生物吸附进一步的研究方向。

For a big chunk of credit-card losses; the number of filings (and thus charge-off rates) would be rising again, whether

年美国个人破产法的一个改动使得破产登记急速下降，而后引起了信用卡大规模的亏损。

Eph. 4:23 And that you be renewed in the spirit of your mind

弗四23 而在你们心思的灵里得以更新