摘要伴随着社会经济的发展进步、科学技术的发展进步以及人民群众日常生活质量的逐渐提升，自动门开始全面进入人民群众的生活，逐渐发展成为了宾馆、大型超市、政府等当代建筑里必须配备的设备，...

Composite wing structure design of civil uavABSTRACTAircraft wing is the main load bearing part of the aircraft,the structuralperformance of the wing will directly affect the fligh...

ABSTRACTFrom the reform and opening up to the accession to the WTO,the rapiddevelopment of the social economy has made residents more and more economicallydisposable,and the income...

The Design Base On MCU for Pressure Water Supply SystemAbstractBuilding the conservation-oriented society,the reasonable development,saves and theeffective protecting water resourc...

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

东北大学硕士学位论文AbstractNumerical Simulation of Temperature Field andFluid Field within the Single Channel Drum DryerAbstractThe single channel drum dryer works in a main way o...

ABSTRACTOwing to the advantages of high flexibility,low-cost,low forming force and highform ability,incremental forming becomes one of the new sheet metal forming methodsin recent ...

南昌航空大学科技学院学士学位论文在飞行器工程领域，能量管理技术并不陌生。如轨道器无推力再人返回段的末端能量管理(TAEM),以及耗尽关机固体弹道导弹的能量管理。与这两种已有能量管理技术不...

无锡科技职业学院毕业设计〔论文)基于plc的水塔水位设计Water level design of water tower based on PLCAbstract:The traditional way of water tower level control needs more powerconsumpt...

目录1绪论…11.1研究背景1.2变换器简介21.3本文研究的内容…32DC-DC变换器的工作原理..42.1DC-DC变换器的基本电路图及工作原理…42.2BUCK变换器.…62.2.1线路组成。…62.2.2工作原理.723带变压...