新零售下城市社区末端物流体系构建研究
Research on the Construction of Urban Community EndLogistics System under New Retail[Abstract]With the increasing development of production technology andinformation dissemination,...
石墨烯的新方法剥离制备及表征
AbstractGraphene was prepared by traditional method and organic carbon by addingmedium strength sulfuric acid (12 mol/L)as intercalation agent.Natural graphite wasstripped in alkal...
苏轼治教类散文探析
Analysis of Su Shi's Prose of Governing EducationABSTRACT Sushi is a famous writer in the history of our country,and one of the 'eight greatwriters of Tang and Song Dynasties'.Sush...
论线性空间与欧式空间的对比
论线性空间与欧式空间的对比摘要线性空间与欧式空间是《高等代数》的两部分重要内容，两者之间既有区别又有联系，简要描述他们的定义、概念、特征，并从它们的基础域、运算、基、向量的坐标、线...
中学数学课堂教学设计优化
中学数学课堂教学设计优化AbstractInstructional design is that teachers analyze and make decisions in advance on theprocess of classroom teaching activities.Teachers'different unders...
论港澳民商事判决在内地法院认可与执行的现况与发展
北京理工大学珠海学院2020届本科生毕业论文On the status and development of the recognition and enforcement ofHong Kong and Macao civil and commercial judgments in mainlandcourtsAbstr...
视知觉语言在服装设计中的运用
北京理工大学珠海学院设计与艺术学院2020届本科生毕业设计·专册AbstractThe main perspective of this series of design is aimed at a field that is not wellknown by the public:visual per...
高考化学六大必考题型-1
AbstractChemistry is a very important subject with a perfect score of 100 in the college entranceexamination.Many contents and the related knowledge points are not closely connecte...
墙衣净化室内空气甲醛的性能研究
AbstractStraw,cotton batting,talcum powder,diatomite,nanometer titanium dioxide,sodium dehydroacetate,phosphor,tea powder,deionized water,etc.were used as themain raw materials for...
采取水热以及热退火的方法制备出了Y2O3Er3，Y2O3Er3，Yb3上转换发光材料
2.3.1XRD测试..262.3.2 FESEM表征.282.3.3Y203Er3计的上转换发光光谱.312.3.4退火温度对样品上转换发光的影响..3123.5反应釜内反应时长对样品上转换发光性质的影响332.3.6激发态寿命36、2.4本章...
