北京理工大学珠海学院2020届本科生毕业设计诚信承诺书本人郑重承诺：本人承诺呈交的毕业设计《振动能量收集系统的研究一一电路设计》是在指导教师的指导下，独立开展研究取得的成果，文中引用他...

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AbstractAt present,the world's elderly population over 60 years old has reached 900million,accounting for 12.3%of the world's total population,and will reach 16.5%by2030.Therefore,...

AbstractWith the continuous progress of the society and the continuous development of science andtechnology level,people demand more and more time,so in large-scale manufacturing,t...

活塞的机械加工工艺，典型夹具及其CAD设计(论文+DWG图纸)/图纸/DrawingJJT.dwg活塞的机械加工工艺，典型夹具及其CAD设计(论文+DWG图纸)/图纸/FTLJT-MP.dwg活塞的机械加工工艺，典型夹具及其CAD...

魏氏体组织和珠光体组织。铜与钢的结合界面出现平面结晶带，钛铜结合界面边界附近区域颗粒的尺寸偏小，但密度较大，外部的颗粒尺寸较大且分布稀疏通过对模拟温度场发现，等离子焊过程中温度上升...

Structure design of apple picking deviceAbstractThe main task of this project is to design a new type of apple picking device and itsstructure design for the subsequent grading sel...

Parametric modeling of external turning tool based on Pro/EAbstractParametric modeling is to set up the model parameters and establish a relationshipbetween the parameters and the ...

Portable structural seat designUndergraduate:Ma MaochuanSupervisor:Zhao YongxianAbstract:This paper studies and designs the portable seat.First of all,this paper analyzes the funct...

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 ...