Influence of rare earth elements on high-cycle fatigue properties of AZ91D alloy was investigated and the fatigue fracture morphology was also analyzed.

研究了稀土元素对AZ 91 D压铸镁合金高周疲劳性能的影响，并对疲劳断口的组织形貌进行了分析。

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From the standpoint of coupling of non-steady flow with elastic blade vibration, studied was the forced response of blades, which is of major significance for the high-cycle fatigue of blades.

从非定常流动和弹性叶片振动相耦合的角度来研究叶片的强迫响应，对于叶片的高周疲劳具有重要意义。

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If the free memory after a GC cycle is consistently decreasing, then there is a high chance of a memory leak.

如果垃圾收集周期之后的可用内存持续降低，那么存在内存泄漏的可能性较高。

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And, according to figures collated by the Times - which has run a high-profile cycle safety campaign since one of its reporters was hit by a lorry and left in a coma - 104 cyclists have been killed so far this year.

BBC: Is cycling getting more dangerous?

"The financial instruments for the high-tech market cycle don't work as well in cleantech, " says Cleantech Group Managing Partner John Balbach.

FORBES: Magazine Article

Natural gas emits 29% less carbon dioxide than oil and 45% less than coal, and it can be used in high-efficiency combined cycle power stations.

FORBES: Big Oil's Hydrogen Future