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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）AbstractThe novel Pride and Prejudice by the English female writer Austen is a classicnovel of romanticism.It reflects the status of middle class women in marriage ...

本科论文AbstractEnglish core literacy promotes the development of English educationchallenges for education and teaching reform and offers new opportunities.Howto better cultivate ...

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...

目录1引言2实验内容与方法.…2.1实验原料、设备与仪器2.1.1实验原料2.1.2实验设备与仪器2.2实验方法2.2.1前驱体法.32.2.2碳热还原法2.3试样表征…52.3.1X-射线衍射XRD)分析.52.3.2扫描电子显微...

AbstractAbstractCounter calibration standard material is mainly used for calibration and verification.According to the requirements of the counter calibration standard substance us...

本科论文AbstractIn China,communication equipment manufacturing enterprises,representedby Huawei,are taking investment decision-making as a fulcrum to providestrategic support for t...

1 Principle of feeling and tasting2 Principle of communication3 Principle of union4 Principle of developmentCompulsory education reformThe indication outline of new curriculum refo...