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An enhanced drain current model,along with an improved charge conservation capacitance model,is presented by the improvement of the channel length modulation and the hyperbolic tangent function coefficient based on the Materka model.

在Materka漏电流模型基础上，改进了沟道调制因子和饱和电压系数的建模方式，电容模型采用了改进的电荷守恒模型。

But nonperiodic Hubbard model are different from an uniform model, there is no charge density wave state in uniform model.

诺伊曼熵和两种不同的基态保真度度量研究了这三个非周期系统的基态相变。

In this paper, we used molecule dynamics simulation technique in researching dielectric property. By analyzing the information that is provided from molecule dynamics simulation, we can got some dielectric properties like dielectric constant and chargeability. Firstly, 3D model of silicon dioxide was been built and geometric optimization was been used to make the model more correctly. Then the model was been put in calculation of molecule dynamics simulation with a definitive temperature.

本文针对氮化硼晶体在极端高温下的介电性能开展研究，首先建立六方氮化硼晶体的微观结构模型，通过几何优化对其进行进一步的结构修正，然后选择合适的力场、系综、积分时间步长和压力温度控制方法，对微观结构模型进行某一温度下的分子动力学计算，动力学计算达到平衡后得到该温度下电介质材料的微观结构模型和动力学特性。

In order to further reveal and distinguish the dynamics and changing regularity of the stochastic integer multiple spiking and the deterministic integer multiple spiking, the integer multiple spik-ing from the experiment, the stochastic Chay model, and the deterministic Wang model and their chang-ing regularity with respect to extra-cellular concentrations of Ca2+([Ca2+]o) or the reversal potential of Ca2+ in model were studied.

为进一步区分神经自发整数倍峰放电节律的随机性和确定性模式的动力学性质，详细研究了实验神经起步点、随机理论模型和确定性理论模型产生的3种整数倍峰放电节律及其变化规律。

Analysis on UPCA model spatial sensitivityAgainst the situation that most urban CA model with no consideration of the spatial scale of data input, taking Changsha as the example, it analyzed the UPCA model spatial sensitivity, drew that the appropriate resolution and the neighborhood structure of Changsha area are respectively 30m and C-1 (taking a cell as radius circular neighborhood).

3UPCA模型的空间尺度敏感性分析针对目前大多城市CA模型在模拟城市空间形态演变时没有考虑输入数据的空间尺度影响，本研究论证UPCA模型模拟长沙市城市空间形态的空间尺度敏感性，得出了应用于长沙地区的适宜分辨率和邻域结构分别为30m和C-1(以一个元胞为半径的圆形邻域)，并基于此空间尺度获取了模型的最佳校验参数。

The emergence of adaptive object model gives a way to develop dynamic and configurable adaptive software.But the model is not a generic framework.In practice,meta-model should be built circumstantially.

自适应对象模型的产生，为开发动态的和可配置的自适应软件提供了一种有效途径，但它本身不是一个通用的框架，在实际应用中必须根据现实情况建立元模型。

To clear the stress relations between bridge decks and the steel tube truss stiffening girder of Zhongxian Yangtze River Bridge, this paper establishes two kinds space analysis model for this bridge, namely: the interaction model of the bridge decks work with the stiffening girder together and the traditional model not work with the stiffening beam.

为了明确忠县长江大桥桥面板与钢管桁架加劲梁的受力关系，本文建立了两种空间分析计算模型，即；桥面系参与加劲梁受力的共同作用模型和不参与加劲梁受力的传统模型。

Galvanometer (Digital Thermo - Hygrometer) Flower Structure Model (Clinometer (Dicot and Monocot Seed Germination Model) Human Heart Model 89 cm.

（单子叶植物根系结构模型）（花卉结构模型（叶和单子叶植物种子萌发模型）（人体心脏模型89厘米）。

It is shown that closed ball model is a valid model for topological relations and iS simpler than 4-set model.

结果表明，对定性空间推理来说，闭球模型比4-交集模型更简单有效。

By a more flexible model-the combination of semiparemetric model , functional coefficient model and quantile regression.

在本文中，主要讨论了非参数和半参数变系数分位数回归模型的估计及其应用。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。