AbstractWith the progress of science and technology,inverter technology has been rapiddevelopment.Inverter is a kind of application of power semiconductor devices,whichcan transfor...

本科论文3.3.2气缸的直径..183.3.3缸筒壁厚的设计...203.4轴承选型和寿命计算..·213.4.1轴承类型.....213.4.2轴承选择的基本原则.....22结论.…24参考文献26致谢28

本科论文AbstractWith the further development of China's coal mining industry,production safety hasgradually become one of the important components.In order to ensure the safety and...

本科论文AbstractSteel slag is the residual material after steel processing,an oxide formed after chemicalreaction.At present,more and more countries find that steel slag has long-t...

本科论文摘要随着我国现代建筑工程项目的实施与发展，土木工程建筑结构设计项目要求越来越严格，对于现代设计工作者的知识、能力水平也有严格的要求，现如今写字楼建筑设计是目前设计工作者设计...

AbstractHumidity has a great influence on the growth of plants.In this paper,an intelligent watering system is designed by using the STC89C52single-chip microcomputer.This system c...

摘要卷扬机是通过机械动力或人力来带动卷筒进行物料运送来完成工作的，多用于制造业中。随着现代工业的飞速发展，卷扬机已经逐渐从传统的控制技术中脱离出来，传统的接触器继电器控制方式灵活性...

西南交通大学本科毕业设计（论文）第Ⅲ页AbstractBefore manufacturing the first physical prototype,the designers used computertechnology to build a mechanical system of digital model ...

开始确定设计方案计算极位夹角尺寸和关键点系统数学模型E,点位移速度ADAMS仿真结果和理论是否一致N优化设计结束图1工作流程图表1设计参数Fig.I design parameter

南昌师范学院毕业论文（设计）The design of formaldehyde detection system basedonAT89C52AbstractWith the development of society,people's living standards continue toimprove,there is ...