聚而成的，形貌不规则。制备出的磷酸铁锂是橄榄石结构的磷酸铁锂，物相均一。以硫酸亚铁为铁源时合成的磷酸铁粒径较小，表面较光滑，结构疏松，密度较小，颗粒大小在13m之间，且随着反应温度的...

北京理工大学珠海学院2020届本科生毕业设计Production process design of lithium battery for intelligent sweeperwith annual output of 3 million 14.8V and 2200mAhAbstractIn this paper,t...

毕业论文（设计）1.IntroductionNowadays,some students who learn English as a foreign language may lose their interest inlearning and show negative attitude towards English learning....

目录引言一、探究式学习概述2(一)探究式学习的内涵..2(二)探究式学习的特点.3二、探究式学习在语文教学活动中开展的现状..4(一)探究式学习在语文课堂中开展的成果.4(二)探究式学习在语文课堂开...

北京理工大学珠海学院设计与艺术学院2020届本科生毕业设计·专册AbstractPeople are born independent,live free,but everywhere in the shackles of confusion.Thepace of life in the progres...

毕业论文〔设计)way people view the world is determined wholly or partially by the structure of theirnative languages.Therefore,there is a great difference between Chinese and Engli...

features目录引言……1一、动感而富于画面美的小说语言…1(一)语言具有声响效果…(二)语言具有画面感…2(三)对比修辞手法…3二、简约而富于音乐美的散文语言…5(一)语言富于音乐美….5(二)语言...

Simulation and Optimization of Methanol Distillation ProcessBased on Aspen PlusAbstractAs the most basic organic material,methanol is one of the most concerned energysources in the...

Abstract'The history of mathematics into high school mathematics teaching'has alwaysbeen the hot spot of the new curriculum reform.The purpose of this paper is to studyhow to integ...

本科论文关键词：内部审计：审计机制：经济效益AbstractSince the reform and opening up,every enterprise has a strong vitality,promoting therapid development of China's economy.But at ...