Based on experimental data and finite element analysis results, a low-cycle fatigue life model is proposed for the powder metallurgy superalloys under multiaxial stress states.

在详细分析试验和有限元计算结果的基础上，提出了复杂应力状态下的低周疲劳寿命模型。

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This paper presents a modification to the FMDF model for predicting high-temperature low-cycle fatigue life, which improves accuracy of the model and facilitates the application of it.

本文对预测高温低周疲劳寿命的FMDF公式作了改进，结果明显提高了精度，使其方便实用。

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Simple tensile tests and low-cycle fatigue tests under stress control at different temperature were conducted to investigate the effects of temperature on fatigue behavior and fatigue strength.

通过不同环境温度下的简单拉伸试验和应力控制下的低周疲劳试验，找出了环境温度对应力控制下的疲劳行为和疲劳强度的影响。

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Finally, getting it right to keep inflation low, keep that boom-bust cycle from coming back like it did, and you don't have to go, even go back so far period.

最终可以维持低通胀，打破繁荣与萧条的周期循环，这个已有先例，远的不说。

斯坦福公开课 - 经济学课程节选

The core reason was depressed US gas prices - that have become low margin at best - negative plays over full cycle economics at worst.

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However, based solely on the Four Year Presidential Cycle it does look like 2011 should be a low-risk year, even though the first two years of the cycle were already quite positive.

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"Because these girls and boys do not have access to education, they become trapped in low-skilled, low-income jobs, which further push them into the vicious cycle of inter-generational poverty, " he said.

BBC: News - Child cigarette seller defies Dhaka traffic