目录摘要..1Abstract.11序言.31.1研究背景及意义….31.2研究现状.31.3研究内容….42电动机液压千斤顶概述.52.1液压千斤顶的工作原理2.2设计要求….52.3确定总体方案….53参数确定….63.1底板油...

本科论文摘要首先对移动式物料皮带输送物料物流输送机零件作了简单的基本概述，接着详细分析了各种移动式塑料皮带输送物料物流输送机零件选型计算的原则和方法，之后根据这些方法对主机的零件参...

AbstractWith the continuous improvement of people's living standard in China,potted cultivation hasgradually become a leisure activity in daily life.But many people are too busy to...

目录一、绪论1.1研究背景…1.2课题主要研究内容……21.3恒压供水系统的国内外研究现状31.3.1变频调速技术的国内外发展与现状..31.3.2变频恒压供水系统的国内外研究与现状..3二、系统理论分析及...

决了现代塔式立体声车库效率低、能耗高的问题，在很大程度上实现了塔式立体声车库车辆进入路径的优化。关键词：控制策略：塔式立体车库：控制系统：PLC:

AbstractWith the development of power electronics,PWM inverters are getting more widelyused,such as PWM drives,UPS etc.However,high frequency switching of powersemiconductor device...

重庆大学硕士学位论文ABSTRACTWith economic boom of China,especially the rapid development of high-speed railindustry,various power electronic devices have been applied more and more...

燕山大学工学硕士学位论文AbstractWith more and more attention on sustainable development and environmentalpollution,distributed generation,wind power and solar as representative,has...

本科论文致谢27

目录第一章、太阳能热水器系统简介....·.··1.1太阳能热水器发展概况....41.2太阳能热水器市场前景分析41.3太阳能热水器系统功能简介5第二章、单片机的概念和应用...…62.1单片机的含义…62.2...