项目式教学法在初中化学教学中的应用探究
AbstractProject-based teaching is a teaching model to help students raise questions,explore problems,cultivate critical thinking and improve their ability of cooperationand practic...
餐厨垃圾车螺旋卸料机构的设计
。餐厨垃圾车螺旋卸料机构设计目录、绪论51.课题的背景和意义.52.国内外研究现状.…52.1国内研究现状..52.2国外研究现状.…63.研究方向.7二、螺旋卸料机构设计概述.…81.螺旋卸料机构工作原理…...
黄冈市启明小学教学楼结构设计
北京理工大学珠海学院2016级土木工程专业毕业设计诚信承诺书本人郑重承诺：本人承诺提交的毕业设计《黄冈市启明小学教学楼结构设计》是在教师指导下的独立研究的结果。本文引用了其他学着观点和...
异厚板铝合金搅拌摩擦焊的温度场模拟
ABSTRACTIn this paper,the temperature field distribution of aluminum alloy with differentthickness was studied by ABAQUS finite element software.Several groups ofdifferent welding ...
低频声波定向打击技术发展研究
ABSTRACTABSTRACTAbstract.KEY WORDS:low frequency acoustic wave,Regulation of acoustic wave propagation.non-fatal strike technology,Fluid strong sound source technology
建筑企业减少安全隐患的探讨
height,elevation changes and internal structure has little similarity;the construction process in addition to process changes,material flowis large,construction equipment,protectiv...
OPPO企业实施物流外包影响因素分析（开题）
求的增长和物流服务供应商服务能力的扩充和完善，物流业务外包服务将逐步被社会认识、了解、认可和进一步采用。电子商务发展环境随着市场以及消费者需求变化，企业实施物流外包影响因素也随之变...
发动机典型滑油系统及滑油系统油液监控技术
Analysis of typical aeroengine oil system and lube synthesizedmonitoring technologyABSTRACTAs the 'heart'of aircraft,the aeroengine suffers from many challenges such as highpressur...
金沙江白鹤滩水坝肩墙墙体环境温度应力分析与裂缝控制研究
Abstract工程硕士学位论文AbstractBy means of field research,data acquisition and studying engineering geologicalenvironmental conditions,engineering geological classification for ro...
高年级小学生厌学数学的原因及对策研究——以奎屯市第Y小学为例
43高年级小学生数学厌学数学的外因分析…84.3.1数学学科的特点94.3.2教师94.3.3家长…94.3.4社会.105解决高年级小学生数学厌学数学的对策...........105.1学生层面原因及对策105.2教师层面原因...
