排序
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...
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...
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...
宽筛面强迫同步直线振动筛强度分析及优化
河北联合大学硕士学位论文AbstractIn the field of the coal,vibrating screen has a very wide range of applications,as animportant part of material processing machinery,with washing,de...
枸杞多糖的提取与分离
AbstractInordertostudytheextractionandseparationofChinesewolfberrypolysaccharidesinlyciumbettermethodandobtainedthehighestrateofcontent,inthispaper,onthebasisofsinglefactorexperime...
苏州市农贸市场蔬菜重金属残留调查与分析
edbytargetriskfactor(THQ).TheresultsshowedthattheTHQofCd,Ni,CrandPBinvegetableswerechildren>middle-agedandold>youngandmiddle-aged,andthefourheavymetalsweremoreharmfultochildren.Chi...
超薄盐化物自融雪沥青罩面材料研究
表2石料相关技术指标石料名称相关性指标单位实验数据理论要求坚固性%13.5≤25压碎值%0.86≤3吸水性%8≤10集料吸水率%5≤6软石含量%7.1≤15针片状颗粒含量%12.68≤25洛杉矶磨耗损失0.48≤1视密度...
年产400万手机外壳电镀车间与工艺设计
北京理工大学珠海学院2020届本科生毕业设计Annual output of 4 million mobile phone shell plating workshop andprocess designAbstractWith the development of electroplating industry,peop...
草甘膦的合成工艺与检验
南通职业大学毕业设计(论文)草甘膦合成工艺与检验AbstractIn this paper,the synthetic methods and inspection methods of glyphosate werestudied.There are two methods for the synthesis...
年产10万吨螺旋藻啤酒工厂设计
北京理工大学珠海学院2016届本科生毕业论文100000 tons of Spirulina brewery factory designAbstractAlong with economic development,improving the standard of living,more and morepeople ...










