壳型底座铸造工艺与设计
方壳型底座铸造工艺设计摘要：在中华文明5000多年的历史的创造过程中，铸造生产做出了巨大的貢献。方壳型铸造在机械制造业中的地位是特别的重要的。地不会因为质量、尺寸，材料种英及生产批量而...
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...
胖东来商贸公司营运能力存在的问题及对策
AbstractOperation ability is the ability of enterprise operation and operation,and it is oneof the important goals in the process of enterprise operation,which directly affectswhet...
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...
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...
CommunicatingEffectivelyinInterculturalBusinessSettings
Chapter Three The Nature of Communication3.1 Definition of Communication---113.2 The Communication Process--133.3 Intercultural Business Communication----193.4 Intracultural Commun...
钙钛矿太阳能电池研究
中文摘要钙钛矿吸收层对于太阳能电池光电转换效率的影响是至关重要的。本文采用溶液法制备了钙钛矿太阳能电池，研究了在特定退火温度下退火时间对钙钛矿吸收层结构、形貌及其吸收的影响。研究结...
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...
