年产2万吨PVF的生产工艺设计
2020届北京理工大学珠海学院本科生毕业设计Production process design of PVF with an annual output of 20000 tonsAbstractPolyvinyl fluoride (PVF)is a thermoplastic resin,the English nam...
年产110000吨麦芽糊精工厂设计
北京理工大学珠海学院Design of a plant with an annual output of 11,000 tons ofmaltodextrinAbstractMaltodextrin can also be called water-soluble dextrin,and after control anddegradat...
陶渊明饮酒诗研究——以陶渊明《饮酒诗（二十首）》为例
引言陶渊明的饮酒诗是他诗最为重要的一部分，数量庞大，质量上乘，尤其以《饮酒诗》最为著名，透过他的饮酒诗，我们可以看到他对酒的那份挚爱，可以看出他坎坷的人生经历，一生五次出仕入仕最终...
班主任学科背景对小学生数学学习兴趣影响的研究
A study on the influence of the background of the head teacher on thepupils'interest in Mathematics LearningAbstract Learning interest is not only the internal power of students'ac...
CfSiC复合材料与高温合金反应复合扩散钎焊工艺优化研究
(论文)4.2工艺参数对接头组织结构的影响规律.404.2.1连接温度404.2.2保温时间..434.3复合材料侧界面反应分析与讨论464.4高温合金侧扩散层分析与讨论..505反应复合扩散钎焊接头力学性能.….535....
顺丰速运寄件流程优化方案设计
目录1前言.......51.1选题背景51.2研究目的和意义513国内外快递服务研究...·.72快递和业务流程优化的相关理论82.1快递的相关理论......82.1.1快递和快递服务的概念82.1.2快递公司的分类.....92...
不同厚度堆焊层表面残余应力分析
AbstractThe paper based on the welding low carbon steel Q235 steel plate as the research object,and blind hole method using simulated stress and strain measuring two ways to explor...
反例及其在数学学习中的应用
目录引言1反例的定义2反例的类型3反例的作用4反例的构造方法4.1特例构造法4.2性质构造法4.3类比构造法1t11t1111101t011011111t10t10t11t1111t1t14.4逆向思维构造法74.5极端性构造法4.6数量关系...
其他综合收益的确认与披露问题研究
本科论文AbstractSince 1990,with the rapid development of science and technology,the managementmethods of enterprises have changed,and the business behaviors of each enterprise arev...
AComparativeStudyontheUseofEnglishComparativeDegreeinCompositionsbyChineseandBritishHigh-SchoolStudents
AbstractIn high school English learning stage,students'writing ability is an importantaspect to evaluate their English level.Whether students can use cohesive devices inEnglish wri...
