模型理论

Regular solution model:The activity coefficient based on a regular solution theory approach was used to account for the non-ideality of liquid and solid phases.

1正规溶液理论模型：在该模型中组分i在固相和液相中的非理想性均采用正规溶液理论来描述。

Based on the research of current situation of risk management of capital allocation for commercial banks both at home and abroad at present, this paper put forward a unified VaR theory framework and model by using reserve for bad debts, capital at risk and deposit insurance system. The reserve for bad debts, capital at risk and deposit insurance system are used to execute grading risk prevention and to develop a comprehensive quantification method that executing risk management to commercial banks.

因此，在对目前国内外商业银行资本配置风险管理现状进行研究的基础上，本文提出了包含损失准备金、风险资本和存款保险的商业银行资本配置风险管理的统一的VaR理论框架和模型，用损失准备金、风险资本、存款保险制度来分级防范风险，并在此理论框架和模型下发展出完整的从资本配置的角度对商业银行进行风险管理的量化方法。

In author's opinion, in theory and practice, the risk management through capital allocation for commercial banks both at home and abroad at present does not clearly define risk prevention functions of reserve for bad loans, capital adequacy ratio and deposit insurance system and does not use clear and quantitative theory model to guide the recognition of reserve for bad debts, capital adequacy and deposit premium ratio, especially without reasonable basis and model to support the management of 8% capital adequacy ratio for commercial banks by analysis of current condition of risk management for commercial banks both at home and abroad.

上述分析表明，目前国内外商业银行在资本配置风险管理中没有清晰地界定呆帐准备金、资本充足率和存款保险制度的风险防范功能，没有用清晰的、定量的理论模型来指导呆帐准备金、资本充足率、存款保险费率的确定，特别是商业银行8％的资本充足率管理没有理论依据和模型支持。

A plastic model was proposed which develops from the combination of boundary surface theory and multi-shear mechanism plastic theory. This model avoids the uncertainty and complication associated with the revision of Mansing's rule when a multi-shear mechanism plastic model is used, and is able to simulate the rotation of principle stress axes during seismic activities and the large shear deformation during liquefaction.

将边界面理论和多重剪切机构塑性理论结合起来并加以改进建立了多重剪切机构边界面塑性模型，避免了多重剪切机构塑性模型通过修正系统修正曼辛准则时的不确定性、复杂性；且能模拟地震时主应力轴的偏转和液化时剪切大变形。

However,for the large dimensional data.the sample covariance matrix is not a good estimator of the population counterpart.Many methods of parametric estimations and tests for multivariate statistical problems can not be simply used to deal with large dimensional data.

但是由于经典的大样本理论都是假定维数很小是固定的，故而经典极限理论并不适宜解决大维随机数据问题，很多多元问题的模型参数估计、模型检验的统计量已有的结果对大维海量数据并不能平凡推广。

With the theoretical model of spherical grain dynamics of sparse two-phase flow in single dimension, computing formulas of velocity′s attenuation and scattering distance were built for explosive residue grains in horizontal. Then, a simplified theoretical model on distribution of explosive residue was put forward on the basis of a spherical space with radius equalling to maximum horizontal scattering distance of explosive residue grains with certain diameter.

为了对残留物颗粒的飞散运动及分布规律进行理论分析，利用球形颗粒一维稀疏二相流动力学模型，研究得到炸药残留物颗粒的速度衰减及水平飞散距离计算公式；在此基础上，建立了以某粒径残留物颗粒水平运动极限距离为半径的炸药残留物颗粒球面空间分布简化理论模型。

We performed statistical analysis and hypothesis testing using SPSS software based on theoretical analysis, while the data were obtained from the questionnaires collected from 125 enterprises in China.

在上述理论分析的基础上，通过对125家国内企业进行问卷调查所获得的数据，运用SPSS软件对理论模型进行了统计分析与检验，从实证的角度验证了知识管理战略对组织文化的适应性模型。

As for the establishment of stochastic input-output models and the derivation of related theories, there are three points to be mentioned: firstly, the theoretical basis on which the ultimate requirements must comply with the index movement is given; secondly, the output control model is offered, which is based on the idea that the ultimate requirement is an index stochastic variable.

在随机投入产出模型的建立和相关理论的导出方面。一是给出了最终需求量服从指数分布的理论依据；二是提出了基于最终需求为指数型随机变量的产出量的控制模型。

We obtain a new quark potential from the effective dilaton-gluon-coupling inspired by superstring theory, and by using this static potential, we explore the mechanism of quark confinement through calculations of the spin-average energy levels, the widths of the leptonic decays and radiative transitions for heavy quarkonium. The obtained results are compared with that of the Cornell potenial.

由规范场理论的超弦理论所激发的伸缩子一胶子有效藕合，给出了一个新的静态夸克一反夸克势，讨论了此势模型下重介子的自旋平均能谱、轻子衰变和辐射跃迁宽度，并与Cdrn叭势模型所得到的相应结果作了比较。

The phase space reconstruction theory of chaotic dynamic system, in combination of the non-linear reflecting and pan-capacity of neural network, can be used to establish the prediction model; and a kind of new prediction method is suggested to realize the complete tracing of phase point evolution process and to predict "the price nails", whereby improving the prediction accurateness and effectively solving the problem of negative prediction, with the satisfactory results obtained.

采用混沌理论预测系统边际电价针对我国电力市场电价变化特点，利用电价和负荷时间序列的混沌特性，重构准确的电价序列相空间，通过跟踪相空间相邻相点的演化趋势，建立基于快速BP网络的电价预测模型，对我国川渝电网电价进行预测，取得良好效果利用混沌动力系统的相空间重构理论，结合神经网络的非线性映射和泛化能力建立预测模型，提出一种新的预测方法实现了相点演化过程的全局跟踪，对"价格钉"进行预测，提高了预测精度，有效解决了负预测问题，得到满意的结果。

I didn't watch TV last night, because it .

昨晚我没有看电视，因为电视机坏了。

Since this year, in a lot of villages of Beijing, TV of elevator liquid crystal was removed.

今年以来，在北京的很多小区里，电梯液晶电视被撤了下来。