摘要
以设备综合工程学的观点,建立设备收益的数学模型,利用微分极值方法求得机械设备的最佳使用周期,即设备的经济寿命.
This article establishes the mathematical model of equipment income from the viewpoint of synthetical engineering.According to the method of extreme value,author obtains the optimal service period of mechanical equipment,the economic life of mechanical equipment.
出处
《沈阳建筑工程学院学报》
1992年第2期120-123,共4页
Journal of Shenyang Archit Civil Eng Univ: Nat Sci
关键词
数学模型
利润率
经济周期分析
施工机械
使用寿命
mathematical models
rate of profit
business cycle analysis
continuous compound present worth factor