小型出入库系统的设计与实现Design and Implementation of the Small Loading and Unloading SystemAbstractAlong with the rapid development of computer vision technology,the traditionals...

Aircraft icing phenomenon and the protective measures of researchABSTRACTThe air ice phenomenon of the aircraft has great harm to the navigation process of theaircraft,the light ma...

Design of Full Life Cycle Management System for TechnologyStandard of Aviation Rivet PinAbstractWith the development of computer technology and CAD technology,the standardization o...

北京理工大学珠海学院2020届本科生毕业设计（论文）Fault analysis of aero engine rotorABSTRACTThis paper analyzes the rotor fault of civil aviation turbofan engine,Bycomparing the mec...

本科论文摘要近几年经济格局骤变，电商对实体行业造成了不小的冲击，人们对实体消费体系的要求也随之提高。消费结构发生了很大的变化，但是人们对于商业综合体的需求不减反增，因为和朋友聚餐、...

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...

夹具设计说明书1.零件加工工艺分析：该零件简图尺寸标注完整，加工部位也非常清楚明确。由于图纸要求，材料是HT150,大批量生产。工件状态为毛坯件，需要加工零件的下端面，中心孔左端面，螺纹孔...

产品型号零件图号机械加工工序卡片产品名称左泵缸零件名称左泵缸共11页第3页车间工序号工序名称材料牌号30铣HT200毛坯种类毛坯外形尺寸每毛坯可制件数每台件数灰口铸铁设备名称设备型号设备编号...

摘要本课题主要是针对罩注射模的模具设计，罩注射模具有重量轻、易清洁、耐腐蚀老化、强度高、使用寿命长，制作方便、价格低廉等特点。通过对塑件进行工艺的分析和比较，最终设计出一副注塑模。...

ABSTRACTSince the reform and opening up,China's economy has made great progress,the mostobvious of which is the continuous improvement of China's industrialization.In themachinery ...