了第一部分绪论第二部分丨京津冀协同区域管理的问题及出路目录第三部分京津冀区域协同发展机制及对策CONTENT第四部分结论及政策建议

2,5-二氯苯酚的合成新工艺研究The Study on Synthesis of 2,5-DichlorophenolAbstractDicamba,which trade name is Banvel and chemical name is 3,6-dichloro-2-methoxy-benzoic acid.Dicamba ...

北京理工大学珠海学院2020届本科生毕业论文Study on the pressure sensitivity of the ultrasonic coupling agentAbstractIn the process of ultrasonic nondestructive testing,ultrasonic ech...

AbstractThe most basic teaching plan of chemistry is the subject of understandingthrough experiments.Experiments can stimulate students'understanding consciousness,practical operat...

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

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...