2) Long-term average operating efficiency
长期平均运行效率
3) long-term water use efficiency (WUE_L)
长期水分利用效率
1.
Relationship between foliar carbon isotope composition (δ~(13)C) and long-term water use efficiency (WUE_L).;
叶片δ~(13)C与长期水分利用效率的关系
4) long-term water use efficiency(WUE_L)
长期水分利用效率(WUEL)
5) long term aging
长期时效
1.
The investigations of tensile properties of the second generation single crystal superalloy DD6 after long term aging at elevated temperature were presented.
研究了第二代单晶高温合金DD6长期时效后的拉伸性能。
2.
Microstructure character of γ′ precipitation and the corresponding thermodynamic calculation in superalloy Inconel 751 during long term aging treatment was studied.
对经过标准热处理的Inconel 751合金,在700℃和850℃进行了长期时效处理。
3.
The effect of long term aging at 950℃ for 500, 1000, 1500 and 2000 h on the microstructure and mechanical properties of alloy IC6 was investigated.
利用扫描电镜（SEM）、能谱（EDS）、透射电镜（TEM）等分析手段研究了IC6合金950℃长期时效500,1000,1500,2000h后的显微组织和力学性能。
6) prolonged aging
长期时效
1.
By means of optical and TEM microstructure analyses,room temperature and 900 ℃ tensile tests and X-ray diffraction phase and microchemical quantitative analyses,the structure and mechanical property changes of GH4199 superalloy after prolonged aging in the temperature range of 600 ℃ to 900 ℃ and time period of 100 h to 1 000 h have been investigated.
采用金相和电镜微观组织观察、室温和高温拉伸试验、物理化学相分析等综合试验方法,对经600、700、800、900℃和100、200、5001、000 h长期时效处理的GH4199合金进行测试和研究。
2.
The effect of prolonged aging on the structures and properties of coblat base superalloy GH605 has been investigated.
研究了长期时效处理对钴基高温合金ＧＨ６０５组织与性能的影响。
补充资料：配置效率和生产效率
在经济学上，经济发展的动力，或者说效率的来源，分为两类：一类是配置效率，二是生产效率。所谓配置效率，是指给定资源和技术的条件下，怎么样使资源从边际生产率低的地方流向边际生产率高的地方，从而使得资源和利用更合理、社会总价值达到最大;而生产效率是指如何通过技术进步提高每一种资源的生产率，也就是把社会的生产可行性边界向外移。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条