AbstractIn recent years,China's transportation industry is undergoing earth-shakingchanges,and people's lives are getting better and better.But at the same time,weshould also see t...

摘要关键词：MCM-48,接枝，氮化，Knoevenagel反应

致谢本论文是在导师刘建民教授悉心指导下完成的，在论文付梓之前，从开题报告伊始到论文成型、论文预答辩，刘老师都不厌其烦且严谨细致地指正问题，给了我许多建设性意见。同样，我还要感谢网与...

Analysis on the operation of seriousillness insurance for urban and ruralresidents and reasonable suggestionsAbstract:Serious illness insurance is an innovative system to improve C...

Design and Implementation of a AngularJS Personnelmanagement systemAbstract:With the continuous development of the Internet in China,the functions of the Internetin many directions...

AbstractTaking a city in southwest China as the research area,seven categories of sources,including fixed combustion sources of fossil fuels,technological process sources,mobilesou...

目录CatalogDesign concept市场调背景分析国内外现状优势劣势竞品分析User Research用户研究实地调研考察用户采访人群定位产品定位研婴儿车特点价格分析swot问卷调研研究分析总结Design positio...

本科论文关键词：新疆油田公司：成本管理：油田：成本

CA6140型铝活塞的机械加工工艺设计及夹具设计/100精车燃烧室.dwgCA6140型铝活塞的机械加工工艺设计及夹具设计/105铣气门内槽.dwgCA6140型铝活塞的机械加工工艺设计及夹具设计/110铣气门外槽.dwg...

摘要在进行农业的种植、培育和生产的过程当中，有着许多因素都会制约作物的最终产量，比如光照强度、环境温度、空气湿度、土壤湿度以及空气中CO2的浓度。从古至今的数千年的农业种植过程当中，...