The effects of gas mixture ratio, gas passivation, optical window deposition and laser gas storage time on the lifetime of a transverse flow XeCl excimer laser were studied in detail.
本文研究了混合气体比例、气体钝化、窗口污染和存放时间对横向流动氯化氙准分子激光器寿命的影响。
Enhanced Hyper-Flow Bearing (EHFB) - to ensure consistent and stable RPM, prolonged lifetime of usage.
增强超流轴承(EHFB) -确保一致和稳定的转速，延长寿命的使用。
It was pointed out that redox flow batteries, which possess advantages of low capital cost, high energy efficiency and long lifetime, were the most promising commercial technologies.
介绍了各种储能方式及其特点，综述了大型储能技术的研究开发状况，其中氧化还原液流电池具有成本低、效率高、寿命长等优点，商业化前景看好。
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