模型理论

The new elucidation of distributed activation energy was given in which not only an analytic expression of activation energy was obtained for the first time,but also the theoretical proof of Miura′s integration method in DAEM model was realized.

对分布活化能模型进行了新的理论阐述，不仅给出了分布活化能模型中活化能项的解析表达式，得到了Miura积分法的理论证明，还系统研究了这一新的DAEM表述对焦油馏分模拟蒸馏二级反应体系的适用性。

With the development of the theory of constitutive model of soil, the elastic constitutive model was displaced by some non-linear constitutive models such as the Duncan-Chang model, Cam-clay model, etc, which leads to that the Biot′s consolidation theory has developed from elastic into nonelastic.

随着对岩土本构关系研究的深入，经典Biot理论中土体采用弹性应力应变关系的假定逐渐被一些非线性本构关系取代，如Duncan-Chang模型、剑桥模型等，将Biot固结理论由线性推向了非线性。

In the first part, we introduce the nonstandard analysis theory simply.

第一部分，我们对非标准分析理论进行了简单的概述，通过用分标准理论中的公理，给出非标准模型并讨论非标准模型的一些性质。

For the requirement of high efficiency light emitting diode luminaries and the characteristics of automotive headlamp exit beam,based on non-imaging optical theory,a theory model for new type LED parabolic reflector optimal design is established to maximize the utilization of light energy of the reflection cup and to realize the asymmetric light intensity distribution of the headlamp exit beam.

针对当前发光二极管灯具的高效率要求和汽车前照灯出射光束特点，根据非成像光学理论建立了新型LED抛物反射器优化设计的理论模型，实现了反射杯光能利用率的最大化和前灯出射光束的不对称光强分布，进而依据该模型设计了新型反射式LED汽车前照灯光学系统。

In SVRT model polyatomic molecule whose spacial locomotion can be accurately treated as a regular non-symmetry rotor is dealt with as two different rigid segments which both can vibrate one-dimensionly through the line of their centroid.

因此，探索和发展多原子分子化学反应的理论模型和计算方法是非常有必要的，为此，人们提出了一些处理多原子体系反应的理论模型和约化维数的计算方法。

By means of the semigroup theory, spectrum theory, positive cone theory, integrated equation theory and optimal control theory, we obtain the existence of thresholds of these models, the existence and stability of the infection- free equilibrium and the endemic steady state, and the existence of optimal vaccination strategies, etc.

运用泛函分析中的半群理论、谱理论、正锥理论以及积分方程理论和最优控制理论，系统地研究了这些模型的阈值的存在性，无病平衡态和地方病平衡态的存在性和稳定性，最优接种疫苗策略的存在性等。

This paper brings up with the theory of Virtual Coordinate Measuring System. The basic theoretic models of the virtual coordinate measuring system are given. This theory of virtual coordinate measuring system makes use of the principle of Time-Space correspondence and turns the time pulses into spatial displacement. The virtual coordinate measuring system can take the place of the scale system in traditional instruments, which has the disadvantages of high cost and difficulty ofproduction.

本文同时提出并建立虚拟坐标测量系统理论；该理论从传统的测量仪器出发，将传统仪器的实物标尺系统虚拟化，克服了实物标尺系统加工制造困难，及造价高等缺点，将硬件结构简化；本文提出并建立初步的虚拟坐标测量系统模型，并在三坐标测量机上建立了一维虚拟坐标测量系统的实验模型，初步分析系统的系统误差与其随机误差源。

This paper describes the energy and mineral resources demand theory centered on capita mineral resources consumption and capita GDP S-shaped rules, mineral resources consumption intensity reverse U-shaped rules and progressive laws of wave rules for mineral resources demand, and the energy and mineral resources synthetic prediction model based on the demand theory.

中文摘要：本文介绍了以人均矿产资源消费与人均GDP"S"形规律、矿产资源消费强度变化倒"U"形规律和矿产资源需求波次递进规律等为核心的能源和矿产资源需求理论，以及以此为基础建立的能源与矿产资源需求综合预测模型；系统预测了2010-2030年全球及中国一次能源、粗钢、铜、铝需求趋势，并与其他预测方法和预测结果进行了对比，论证了这一理论模型的先进性和预测结果的可靠性。

This paper introduces Mill's wages theory in detail, as well as the discussion and criticism about the main contents of the wage fund theory, focusing on an analysis of the Mill's recantation of the wages fund theory.

本文详细介绍了穆勒工资理论的主要内容以及围绕工资基金说展开的批评与讨论，着重分析了穆勒对于工资基金说放弃的深层次原因，并分析研究了古典经济学的工资理论与新古典经济学工资理论以及与刘易斯二元经济结构理论模型的关系，以及这一理论对于我国当代的现实意义。

This text proceed with the theory of the vibration, utilize typical elastic hinge law analyze structure dynamics characteristic when the blade is quivered to instability, and then use relevant knowledge of blade vibration to simplify the model and the aerodynamic force of the vibration. Through the simplification, we can get the equation of the blade, which is dispersed to its instability. Then VISUAL BASIC procedure is utilized to work out thecharacteristic value of vibration and the vibration frequency. At last comparing the result which is calculated by the above-mentioned theory formulae with the result which is calculated by internationally agreed procedure ANSYS to verify the accuracy of the formula of reduction.

本文从振动理论入手，利用最为典型的弹性铰链法分析叶片发生颤振失稳时的结构动力学特性，然后对振动模型及振动时所受的气动力进行简化，利用简化方程得到叶片发生发散失稳时的振动方程，利用编制的VISUAL BASIC程序解出振动的特征值并得到振动频率，最后分别通过上述的理论公式和国际通用的有限元程序ANSYS对风力机叶片模型进行发散失稳时的频率计算，验证简化公式的准确性。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。