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Analysis: Bridging What to How Models for Analysis Activities during object modeling • Object Identifications • Identify Associations • Identify Aggregates • Identify Attributes • Reviewing the Analysis Model Managing Analysis Case Study
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上海交通大学:《随机模拟方法与应用 Stochastic Simulation Methods and Its Applications》课程教学资源(学生作业)Distribution Analysis of Spring Festival Travel Based on Gravity Model and MCMC Methodology
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上海交通大学:《热力学 Thermodynamics(I)》课程教学资源(课件讲义)Lecture 13_Equation of state and ideal gas model
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 Map persistent design classes to the data model  Distribute class behavior to the database
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 Introduction  Key Concepts  Use-Case Model  Glossary  Supplementary Specifications
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Entity/Relationship Models (E/R diagram) Unified Modeling Language (UML) Object Definition Language (ODL) Hot to Transfer them to a relational model
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上海交通大学:《数据库系统原理 The principle of Database System》课程教学资源(课件讲稿)chapter11 The semi-structured data model Structured data
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一、几个概念 二、传统宏观计量经济模型的设定 三、影响宏观计量经济模型设定的几个因素 四、建立宏观计量经济模型的工作程序 五、Hendry学派建模理论简介 六、一个著名的小型宏观计量经济模型 七、中国宏观计量经济模型的主要特征 八、中国宏观计量经济模型中主要模块的设计 九、中国宏观计量经济模型中主要方程的设定
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The microstructure of graphite spherulites (G.S.) in Ce addition ductile cast iron was carried out using transmission electron microscopy (TEM) techniques. The structral characterization of the graphites is as following: there are platelets growing along the periphery as well as fan-like structure formed from platelet aggregates in the diameter section of spherulite, in which most of the platelets are with sizes ranging from several to tens nm in radial; the [001] direction of the platelets would have a tend to parallel to radial of the G. S. and meanwhile, they also a small misorientation deviated from the radial among the platelets each other. It shows that the anisotropy of graphites has been restrained by adding Ce element in cast iron and the structural characterization of the G. S. is consistent with the Double’ s model of the conical helixes formed in helical growing and branching
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It is shown that the average [O] in the steel can be decreased to 12.86 ppm and there is an optimal [%Si] at the end of melting as 0.11%, at which [O] after vacuum carbon deoxidation (VCD) is minimum. A kinetical model has been deduced to simulate the VCD process. The results show that adding Si before Al is superior to the adding Al before Si with respect to the final [O] in the steel. It is suggested that the melting point of covering slag should be lower than 1550℃, and (FeO+MnO) should be less than 1%, so as to effectively refine GCr15 steel
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