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First, the computation theory of the anti-sliding pile has been researched including interaction between the pile and tho landslide, the mechanical model of the pile and the calculation method of the internal force of the pile with prestressed anchor cable. Second, the internal force status, the mechanical computation model and the design method of the foundation beam with prestressed anchor cable have been analyzed. Finally, by the example, engineering instance and the geology mechanical model test, the main results and conclusions deduced from the thesis have been compared and validated.

论文首先对抗滑桩的相关设计计算理论进行了研究,包括抗滑桩与边坡岩土体的相互作用,抗滑桩的力学计算模型以及预应力锚索抗滑桩的内力计算方法;其次对预应力锚索地梁的受力状态、计算模型以及设计方法进行了分析研究:最后结合工程实例和地质力学模型试验对相关结论进行了分析比较、验证。

In this dissertation, based on the systematically analysis of theory and application research on deformable model, a new B-spline active contour based on the finite element method is proposed; then B-spline active contour is applied to fitting the digital curve cross-sectional contour, and adaptive FEM is adopted to improve the precision; lastly the model is generalized to 3D, and a B-spline active surface model based on FEM is proposed.

本文在系统地分析了国内外关于可变形模型理论与应用研究的基础上,提出了一种基于有限元法的B样条主动轮廓模型;并将其应用于由断层图像导出的截面轮廓数字曲线的拟合,利用自适应有限元技术提高拟合精度;最后将其推广到三维,提出了基于有限元法的B样条主动曲面模型。

ABSTRACT Based on the existing damage model of rock blasting and the theory of rock damage and fracture, a new damage model for rock blasting, a gas-driven fracture propagation and damage localization at the crack tip model during explosion products are proposed.

在分析研究现有岩石爆破损伤模型和岩石损伤断裂理论的基础上,建立了一个新的岩石爆破损伤模型和岩石在爆生气体作用下的裂纹扩展及裂纹尖端损伤局。。。

This article not to the data mining theory and the modeling method and so on make excessively many elaborations, also does not have the logarithm to make the meticulous discussion according to the warehouse construction aspect, but is puts with emphasis on in the data mining model choice and the design, in overseas had the research in the foundation, in the union corporate business analysis actual need, proposed the AVON company's customer value, the customer retention and the customer thin classify three data minings model; And executed has implemented the questionnaire survey and the method collection research data to various exclusive agencies customer which unified to member's telephone investigation, has carried on the confirmation and the appraisal in SQL Server 2,000 Analysis Service to the model.

本文没有对的数据挖掘理论及建模方法等作过多的阐述,也没有对数据仓库建设方面做过细的探讨,而是将重点放在数据挖掘模型的选择与设计上,在国外的已有研究的基础上,结合公司业务分析上的实际需要,提出了雅芳公司的客户价值、客户保持和客户细分等三个数据挖掘模型;并施行了对各专卖店的顾客实行问卷调查和对会员的电话调查相结合的方法收集研究数据,在 SQL Server 2000 Analysis Service中对模型进行了验证与评价。

In order to study the deformation destructive pattern and influence rule of box tunnel lining structure cross the ground fissure with 30 degree, based on the background of Xi'an metro engineering and the geological environment of Xi'an ground fissure, the similar constant of box tunnel lining structure modelling experiment was designed according to the similar theory, furthermore, the parameters of model concrete, model reinforcement bar and model structure country soil were designed.

为了研究小角度(30°)斜穿地裂缝的箱型隧道衬砌结构在地裂缝影响下的变形破坏模式和影响规律,从西安地铁工程背景和西安地裂缝地质环境出发,根据相似理论设计了箱型隧道衬砌结构模型试验的相似常数,在此基础上对模型混凝土、模型钢筋、结构围岩参数等进行了设计。

For the aged aluminum alloys which generally contain disc/plate-shaped or rod/needle-shaped precipitates, a model has been established, from the viewpoints of thermodynamics, kinetics and strengthening theory, to relate quantitatively the yield strength to the size, volume fraction and aspect ratio of precipitates which all were analytical associated with the chemical compositions of alloys, aging temperature and aging time. This model has been experimentally proved to well predict the variation of yield strength with the evolution of disc/plate-shaped or rod/needle-shaped precipitates for present Al-4. 62wt% Cu-0.65wt% Mg alloy aged at 513K and Al-1. 12wt% Mg0.57wt% Si alloy aged at 463K, respectively, and the yield strengths simulated by this model were also found to be in well agreement with previously measured values for a series of aged Al-Cu binary alloys, AA6061 and Al-Zn-Mg alloys.

以析出热力学、长大动力学及强化理论为基础,研究了含有盘/片状、棒/针状时效析出强化相铝合金在时效过程中时效析出相尺寸、体积分数和长径比等参数的演变及其对合金时效强化效果的影响,给出了合金成分、时效变量与微观组织参数之间非线性的解析表达关系式,进而从微观结构—宏观性能相结合的角度出发建立起了具有盘/片状、棒/针状时效析出相铝合金的时效工艺—屈服强度量化模型,并将该模型应用于不同温度、连续不同时间时效下Al-Cu二元系列合金、6061铝合金和Al-Zn-Mg系列合金的屈服强度预测,得到了与前人实测值吻合良好的结果。

This thesis examines the antecedents of the voluntary behavior of retired teachers in the context of an integrated behavioral model that incorporates a wide variety of important factors from previous researches on volunteer behavior into a single theoretical framework provided by the Theory of Planned Behavior. The model was tested using data from a sample of 219 individual respondents by Structural Equation Model. Moreover, four voluntary teachers and six school administrators were interviewed to thoroughly explore factors affecting the success of the "Voluntary Teaching Program" in Taipei County.

本研究系以Ajzen (1985)的计画行为理论为架构基础,以增进和维持退休教师参与学校志工的意愿为主题,整合高龄志工参与动机和相关研究,建构一个对於退休教师参与学校志工行为意向具有预测及解释力的「学校志工参与行为意向模式」;同时并透过与几所国中小行政人员和退休教师的深度访谈,从多元角度了解影响退休教师参与学校志工的原因,藉以改善这些影响因素,提高退休教师回来学校服务的意愿。

Based on radar backscatter theory and scattering point model,a universal theoretical radar echo model of circle rotation scattering point on arbitrary plane was derived and established,and the equivalence of this model to the one of vibration scattering point was discussed.

基于雷达后向散射理论和散射点模型,针对雷达目标的任意圆周旋转散射点,详细推导并建立了雷达回波通用模型,对其与振动散射点的等效性进行了详细的讨论。

So it is very urgent to set up a useful teaching-model of self-regulated learningThere are two-aspect meanings about the studies:1 to set up the physics teaching-model of self-regulated learning in senior middle-school can promote the research of theory and practice in self-regulated learning, enrich the study content of self-regulated learning and provide a choice for the reform of physics class-teaching method.2 to put the model into practice can raise the students ability of self-regulated learning.

本研究的意义在于: 1结合高中物理教学实际、高中生的心理特点,建立有效的高中物理&自主学习&课堂教学模式,可促进自主学习理论与实践的结合; 2通过对自主学习过程各种因素、各个方面相互关系与协调发展的系统研究,将在一定程度丰富自主学习的研究内容,推动自主学习理论与实践的发展; 3&自主学习&课堂教学模式的实施,将增强学生学习的自主程度,提高自主学习能力,促进学生物理学习方式的转变;并为推进素质教育,改革传统物理课堂教学提供了一条新的途径和选择。

Using the advanced analysis technology, such as inclusion measuring temperature, calcite cement's electronic probe and isotope analysis, and the water-core reaction theory, the paper sets up the diagenefic model of coal measures strata, time-temperature model and pore evolutionary model, and provides the basis for seeking the high efficient reservoirs.

利用包体测温、自生石英的氧同位素测定、方解石胶结物的电子探针和同位素分析等先进分析测试技术,结合水岩反映理论,建立了煤系地层的成岩模式和相应的时间温度模型和孔隙演化模式,为高效储层的寻找提供了依据。

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推荐网络例句

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。

I'm running my simile to an extreme.

我比喻得过头了。