年产3万吨丙酮生产工艺设计
Annual output of 30000 tons acetone industrial designAbstractAcetone is an important organic chemical raw material,not only can be used as theupstream raw material of some chemical...
碳纳米管电极在分析中的应用与展望
Abstract Carbon nanotubes (CNTs)have led to many new technical developments andapplications such as being used for the modified electrodes due to their high chemical stability,high...
留数在实积分中的应用
目录引言.第1章历史与背景概述11.1国内的研究现状11.2国外的研究现状.11.2.1一些数学家的相关工作..11.2.2柯西留数定理的形成.2第2章留数52.1留数的定义及其定理..52.2留数的求法.52.3函数在无...
浅谈英语动画对提高小学生听力能力的作用
本科论文AbstractNowadays,with the development of the globalization,English plays anincreasingly important role.However,listening as an important Englishlanguage skill,has not recei...
英汉商务信函中礼貌策略的对比分析
英汉商务信函中礼貌策略的对比分析摘要在国际商务沟通中,信函是使用最频繁的主要工具之一。国内外对商务信函的研究大部分是从文体学角度或者从单一信函类别角度,对英汉商务信函中的礼貌策略对...
年产10万㎡金色不锈钢板
目录1前言.1.1不锈钢板简介1.2不锈钢着色研究进展21.2.1化学着色法.21.2.2真空离子着色法21.2.3激光氧化着色法.21.2.4离子注入着色法1.2.5新型超声波热浸着色法.22设计方案.…42.1设计方案42.2...
年产4000吨钴酸锂正极材料生产工艺及车间设计
北京理工大学珠海学院2020届本科生毕业设计Production Process and Workshop Design of Lithium Cobalt OxideCathode Material with an Annual Output of 4000 TonsAbstractThis design mainly ...
汪曾祺散文教学策略研究–以《端午的鸭蛋》为例
目录一、汪曾祺散文语文教育价值(一)民俗风情的文化传承价值(二)文质兼美的审美教学价值(三)返璞归真的写作借鉴价值(四)人格生命的思想教育价值二、语文教材汪曾祺散文教学探析一以《端午的鸭蛋...
万科房地产公司的盈余管理研究
本科论文AbstractEarnings management is a common problem of listed companies in recent years.Although enterprises can meet their own goals in the short term through earnings managem...
生鲜电商社区店选址研究——以佛山桂城街道翠颐社区为例
Study on Location Selection of Fresh Food E-commerceCommunity StoreTaking Cuiyi Community,Guicheng Street,Foshanas an example[Abstract]With the rapid development of e-commerce and ...












