Advanced the mathematical model of the hydraulic components life estimation method and established the relations of the system target cleanliness to the life extension coefficient.
给出了现场条件下液压元件寿命估算的数学模型和系统目标清洁度与寿命延长系数的关系。
This paper proposes a new estimating method which, for the first time. introduces reliability analysis into the life estimation of railway rails.
本文提出了一种新的钢轨疲劳寿命的可靠度估算方法，使可靠性分析第一次进入钢轨的寿命估算。
Based on a failure model of fracture mechanics pattern, this new method deals with the life estimation in the light of the standard promulgated by the Railway Ministry for rail replacement.
在运用断裂力学模式所建立的故障模型基础上，该法用铁道部部颁换轨标准处理寿命估算。
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