A320飞机发动机引气系统的典型故障问题研究
ABSTRACTIn this paper,the main function of the air intake system of A320 series aircraft engine is to transfercompressed air from the air supply source to different systems of airc...
施工测量技术标准的制定研究
天津大学网络教育学院本科毕业设计(论文)摘要现阶段,随着城市人口数量的急剧增加,城市中交通运输压力越来越大。通过地铁工程的建设与运营,能够有效缓解上述问题。现阶段,地铁建设规模不断...
TD和GSM网络切换的可视化系统研究与实现
4.1覆盖切换概述434.1.1覆盖边界介绍.434.1.223G覆盖边界介绍.444.2场景覆盖概述….454.2.1场景的概念.4542.2覆盖的划分…。464.323G覆盖切换算法474.3.1算法原理474.3.2场景切换算法的研究…。...
基于PLC的智能全自动洗衣机系统设计
AbstractAbstractIn the process of rapid domestic social and economic development,the people'sliving standards are also improving day by day,people's material conditions aregetting ...
直流电机转速电流双闭环调速系统设计
ABSTRACTThis paper is about the design of a speed and current double closed-loop speed controlsystem using DC motor and thyristor control technology.Firstly,it is needed to model t...
基于java的社区住户信息管理系统设计与研究
AbstractAlong with our country economic development and urban developmentfaster and faster,around between population flow speed faster and faster,people's quality of life also is i...
AWC机架现场扩孔机设计(论文-DWG图纸)
AWC机架现场扩孔机设计(论文+DWG图纸)/丝杠.dwgAWC机架现场扩孔机设计(论文+DWG图纸)/中英文翻译.docAWC机架现场扩孔机设计(论文+DWG图纸)/刀座零件图.dwgAWC机架现场扩孔机设计(论文+DWG图纸)/...
中小型电机设计说明书
ABSTRACTThis paper is to design a 1.5kW,1500r/min,220V,efficiency of 78%self-ventilatedcooling,shunt dc motor.The diameter and length of armature are preliminarilydetermined accord...
多元统计分析在农业现代化水平评价中的应用
The Application of Multivariate Statistical Analysis in AgriculturalModernizationAbstract This thesis adopts the method of both principal component analysis and clusteranalysis to ...
高大厂房热风供暖流场温度场数值模拟
东北大学硕士学位论文AbstractThe Temperature and Flow Field Simulation of HotAir Heating for a Tall BuildingAbstractHot air heating is a new heating system.It is heat medium.Firstly...