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...

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

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...

人力资源规划问题研究2015级经济管理专业牛奔内容提要：国内企业面临的生存竞争压力越来越大，人才是企业竞争的核心动力，高层管理者已经意识到人力资源管理的必要性和重要性，已经从人事管理上...

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...

AbstractProject-based teaching is a teaching model to help students raise questions,explore problems,cultivate critical thinking and improve their ability of cooperationand practic...

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...

机构团体对相关的工作技能训练较为薄弱，社会救助氛围较差。基于对郑州市L街道就业困境的描述和成因的分析，本文运用社会支持理论和社会生态系统理论，主要从提升城市低保群体能力和构建心理救...