工程管理与工程造价有效控制措施分析摘要随着我国经济的不断发展和进步，作为我国经济中最重要的一部分，土木工程也有了进一步的发展和提升，尽管疫情对土木工程造成了一定冲击，但随着国家的宏...

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本科（专科）生毕业论文度分析现代企业管理创新模式的发展，并结合当前社会信息化和互联网技术的普及，从理论的角度分析中国企业在信息化互联网背景下管理模式的发展和变革，总结出我国企业管理...

AbstractThis article conducts a questionnaire survey on the problems of traditionaleducation,and integrates the STEM education concept into the teaching process toachieve the purpo...

类型、内容、作用、经验技巧和心得体会等问题进行交流。(3)问卷法笔者随机选取本市五所幼儿园，其中一级园2所，二级园3所。教师问卷采取当场填写当场回收的方式，每所幼儿园随机抽取15名带班教...

Catalytie cracking of biomass using char-based catalyst in a two-stage Fixed-bedreaetorAbstractThe fir sawdust was used in this experience.We used two vertical fixed bed reactor.Th...

AbstractDue to the rapid development of industry and other factors,the problem of waterpollution has become more and more serious.How to efficiently degrade organic dyes andpolluta...

北京理工大学珠海学院2020届本科本科生毕业设计Process design of producing 100,000 tons of methanol topropylene per yearAbstractPropylene has been an important component of the chemic...

2000 tons of Polyimide Fiber process designAbstractThis design is the production process design of 2000 tons per year polyimide fiber.In thedesign,it mainly introduces two modules:...

ABSTRACUrea formaldehyde resin,referred to as UF,is a high molecular polymer obtained bythe reaction of urea and formaldehyde,through addition and polycondensation.But so far,the s...