中小学教辅机构的人力资源结构优化
北京理工大学珠海学院2020届本科生毕业设计AbstractIn recent years,with the rapid development of economy and the attention to theeducation industry,the construction of teaching aids i...
百香果皮中黄酮的提取工艺研究
peel by ultrasonic assisted extraction was determined.The effects of fivefactors,such as solid-liquid ratio,ethanol concentration,ultrasonic extractiontime,temperature and power,on...
氯硝柳胺甲基丙烯酸酯的分子动力学研究
盐城师范学院毕业论文Molecular dynamics study on niclosamidemethacrylateAbstractMaterials studio is a software for molecular dynamics simulation.Through the forceplate,the force fie...
年产6000吨柠檬酸发酵工厂设计
北京理工大学珠海学院2016级本科生毕业设计Design of citric acid fermentation plantwith annual output of 6000 tonsAbstractCitric acid,is a kind of tricarboxylic acid compounds,easily ...
长裙竹荪菌盖和菌根气味成分的提取及分析
AbstractDictyophora In this paper,the odor components of mycorrhiza and cap ofDictyophora longissima were extracted and analyzed.Ether,n-hexane anddichloromethane were used to extr...
《蝶怡花果茶》包装设计
本科论文摘要在21世纪的当代包装不仅仅是为了贮存和运输商品的容器,更是生产品牌方与消费者沟通的桥梁,商品包装可以分为内部包装,中部包装,外部包装这三大种类,随着经济市场的发展,商品包...