1) capital recovery period
还本周期
2) reduction periods
还原周期
1.
It can reduce the temperature of the reduction reaction, shorten the reduction periods and eliminate MgCl2 in titanium sponge by using the technology of feeding raw materials from more than one places in the large-scale reactor.
而在大型反应器中采用多点加料工艺,可以降低还原反应温度,缩短还原周期,消除夹心氯化镁的存在,为提高海绵钛的产量和质量,提供了一条切实可行的生产途径。
3) payback period
偿还周期
4) pay back period
还本期
5) Fundamental period
基本周期
1.
A simple method of analysis is presented for calculating the deflection curve, elastic critical load and fundamental period of single and coupled shear wall structures with either uniform or variable thickness.
设计此类结构时，可从等厚度的情况入手，适当地减小其厚度，使其基本上保持原有的刚度、整体稳定及基本周期，而又获得经济效益。
2.
This paper includes an investigation on a model test for dynamic soil-structure interaction,the approximate effective fundamental period and the limit of considering the dynamic soil-structure interaction.
开展了土-结构动力相互作用的模型试验,探讨了框架结构的近似有效基本周期,并研究了考虑相互作用效应的界限。
3.
Empirical formulas for the relationships of the fundamental period ratio and damping factor with structure-to-soil stiffness ratio and mass ratio are presented.
其中上部结构与地基刚度比乃最为重要控制因素,随着上部结构与地基刚度比增大,土-结构动力相互作用影响更为明显,表征为柔性系统对刚性系统基本周期比与阻尼因子明显增大;上部结构与地基等效质量比变化对土-结构系统影响不甚明显。
6) eigen period
本征周期
补充资料：蓝钨氢还原(见仲钨酸铵氢还原)
蓝钨氢还原(见仲钨酸铵氢还原)
hydrogen reduction of blue tung sten compound
Ianwu qing huanyuan蓝钨氮还原(hydrogen reduetion of bluetungsten compound)见仲钨酸按氮还原。
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