50万吨每年醋酸乙烯精制工艺的流程模拟与优化
北京理工大学珠海学院2020届本科毕业设计Process Simulation and Optimization of Distillation Processof Vinyl Acetate with Annual Output of 500,000 TonsAbstractThis paper studies and d...
金属盐改性活性炭催化某些精细有机合成反应的研究
成无定形复合结构:5、由SEM照片可以看出,改性后活性炭的表面形貌发生了很大的破坏,孔容、孔径增大,并且FeC1H2SO(稀)VAC,Al2(SO)H2SO4(稀)/AC表面有大块的平面层状结构,这与第一部分有金属...
铝合金在现代飞机上的应用研究
Application of aluminum alloy in modern aircraftABSTRACTWith the continuous development and progress of aircraft manufacturing technology andAeronautical Materials Science,it is be...
OntheBrandEstablishmentofChineseFastFoodEnterprises
毕业论文(设计)restaurants in more than 360 cities,covering all provinces and regions in mainlandChina except Tibet.KFC is now the largest and most rapidly growing fast food chain...
几个外省冬小麦亲本产量性状遗传力和配合力分析
shows that Tainong 18 is a parent with excellent characters,and itsgeneral combining ability is very high.Moreover,Rumei 076 and 1xh-1 wereexcellent parents to increase 1000 grain ...
基于SLP法的仓库布局优化研究——以天祥集团广州分公司样板仓库为例
Research on Optimization of warehouse internal layoutbased on SLPTake the sample warehouse of Intertek GroupGuangzhou Branch as an example[Abstract]As the 'third profit source'of e...
开放性实验在无机化学教学改革中的探索和实践
AbstractThe teaching idea of humanism is the guiding ideology of open teaching.Itemphasizes people-oriented development.Teachers should pay more attention to theexploration of stud...
树脂催化废食用油两步法制备生物柴油试验研究
2.3.2.2脂肪酸甲酯的定量分析.122.4试验方法.4432.4.1原料油的预处理.132.4.2树脂的预处理.132.4.3间歇法预酯化试验方法132.4.4连续法预酯化试验方法360...142.4.4.1单根反应器连续预酯化试验方...
近五年高考中解析几何题目的研究与教学策略
目录摘要.Abstract第一章引言11.1引言.1第二章理论基础.…022.1历史发展…22.2思想方法在解析几何中的应用2.2.1数形结合的思想2.2.2分类讨论的思想...32.2.3化归的思想2.2.4方程的思想..2.2.5参...












