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一、纯金属的冷却曲线和过冷现象 1、通过热分析法测定冷却曲线
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一、合金的基本概念 1、合金:由两种或两种以上的金属元素或金属元素与非金属元素组成的具有金属特性的物质。 2、组元:组成合金的最基本的、独立的物质。 3、相:合金中具有同一聚集状态,成分和性能均一,并以界面互相分开的组成部分
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4-1铁碳合金的基本相 4-2Fe-FeC相图分析 4-3典型合金的结晶及其组织 4-4铁碳合金的成分、组织、性能间的关系
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一、铁—渗碳体相图中铁碳合金的分类 fe-fe3C相图中不同成分的铁碳合金,具有不同显微组织 和性能,通常根据相图中P点,E点将铁碳合金氛围工业 纯铁,钢和白口铸铁三大类
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Preventive and clinical medicine s Protect and promote children as follows: 1. physical and psychosocial health 2. social adaptive abilities
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Biodegradable solid polymeric Materials Today course overview and administrative details Intro to concepts covered Chemistry and physical chemistry of biodegradable polymeric solids Hand-outs course syllabus Course administrative details Readin Third-Generation Biomedical Materials. \LL Hench and j M. Polak. Science 295
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1. What is gene therapy? Genes, which are carried on chromosomes, are the basic physical and functional units of heredity. Genes are specific sequences of bases that encode instructions on how to make proteins
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Pre-Class Work Gifted Children: those who possess some quality or innate ability which has been recognized and identified by number of testing and observation devices and who manifest interest and success in either physical, intellectual, or artistic pursuits
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Definition of Accidental Trauma: Accident, Unexpected, Injuries Physically and/or Psychologically Causes: physical, chemical, and biological factors Main cause of mutilation and death in children globally
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Overview Definition of Accidental Trauma: Accident, Unexpected, Injuries Physically and/or Psychologically Causes: physical, chemical, and biological factors Main cause of mutilation and death in children globally
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