figure of merit

1. These two properties define what physicists call the "figure of merit" of a thermoelectric substance, which describes the power a device made of that substance could generate.
   这两种属性决定着热电材料的“品质因数”。“品质因数”是用来描述用热电材料所制成的元器件的输出功率的单位。
2. They thus have a high figure of merit.
   因此，它们具有很高的“品质因数”。
3. It is the key problem to fully improve the thermoelectric figure of merit.
   如何最大限度地提高材料的热电优值是当今热电材料研究的主要问题。
4. For calculating the discharge inception voltage of a non-uniform field gap, the figure of merit of the gas mixture must be known in addition to its critical breakdown strength.
   在计算不均匀场间隙的起始放电电压时，除临界击穿场强外还须知混合气体的优异值。
5. Effect of rough interface on the thermoelectric figure of merit of the Bi_2Te_3/ PbTe superlattice
   粗糙界面对Bi2Te3/PbTe超晶格热电优值影响的理论分析
6. The present paper shows that the overall performance of low light level image intensifiers should be evaluated by the "figure of merit", rather than by the concept of" generation ".
   文中阐述了微光像增强器总体性能应以品质因数而不是代的概念进行评价。
7. Photodetector ( PD) efficiency decreases as bandwidth increases and efficiency-bandwidth ( EB) product is an important figure of merit in ultra-high speed PD performances.
   光侦测器的效率随著其电频宽的增加而递减。因此效率-电频宽的乘积在超高速光侦测器表现中是非常重要的指标。
8. On theory, major achievements include the following research: 1. Putting forward the hypothesis that the polarity of semiconductor will become weakened when temperature raise higher after the figure of merit comes to a certain value, and obtain the general calculation formula about the thermo-emf.
   针对热电材料优值系数达到一定值后会随温度下降的现象，提出了半导体极性弱化的假设，得到了有关温差电势更一般的计算式。
9. Influences of the figure of merit on the efficiency of a semiconductor thermoelectric module generator cycle
   半导体材料优值系数对热电堆发电循环效率的影响
10. The figure of merit ZT can directly be measured by this method.
    同时简要介绍了能直接测量热电优值的Harman方法的基本原理和操作过程。
11. In the range of 300 K to 200K, the pyroelectric figure of merit remains fairly high, which is of practical importance.
    在300K至200K范围内热释电伏值保持相当高的数值，这具有实用价值。
12. By combining the measured absorption coefficients with the relations between the Verdet constants and light wavelengths, the magneto-optical figure of merit of BGO crystal is presented.
    同时根据BGO晶体费尔德常数随波长的变化关系曲线，通过对该晶体吸收系数的测量，得出了其磁光优值曲线。
13. Based on the figure of merit to objectively evaluate the performance of star acquisition approach, a number of experiments are carried out for the simulated star images.
    基于所定义的性能评价指标，对模拟星图进行了星图获取的实验验证。
14. This paper presents a new method of determining the figure of merit for strongly electronegative gases and gas mixtures.
    本文提出一种新的测定强电负性气体和混合气体优异值的方法。
15. The beam emittance and brightness are the important figure of merit for the beam in accelerator.
    束流发射度和束流亮度是表征加速器束流品质的主要指标。
16. Comparing with other semiconductor materials, SiC has the highest figure of merit for the power and frequency performances because of its ther-mal and electronic properties.
    与其它半导体材料相比，SiC独特的热特性和电特性，在功率和频率性能方面具有最高的品质因数。
17. In order to evaluate the performance of the proposed method quantitatively, a figure of merit for the test image generated by computer is defined and used as a measure of evaluation.
    为了定量地评价这种平滑方法的性能，本文对计算机产生的试验图象定义了一种图象优值，作为评价的指标。
18. It has larger Faraday rotation angle and magneto optic figure of merit and lower temperature sensibility than pure YIG.
    与纯YIG相比具有较好的磁光性能，有更高的比法拉弟旋转角和磁光优值以及较小的温度依赖性。
19. A New Method of Determining the Figure of Merit for SF_6 and its Gas Mixtures
    测定SF6及其混合气体优异值的新方法
20. The influence of epitaxy on the growth rate and the magneto-optic properties of the films was studied. The high magneto-optic figure of merit, F/ a, of 2.9 deg dB has been obtained. The magnetic domain structures and the defects of the films were observed.
    研究了外延工艺对膜的生长速率和磁光性能的影响，得到膜的磁光优值θF/α达2.9deg/dB，并观察了膜的磁畴结构和内部缺陷。
21. PbTe and its alloys, which have the highest dimensionless figure of merit about 2.2 as reported, are known as one of the best TE materials currently available at medium-temperature.
    PbTe基化合物是目前中温附近应用的最好的热电材料之一，据报导其最高无量纲热电优值ZT高达2.2。
22. The development and figure of merit of photoconductive HgCdTe multielement detector used in multi-spectral scanner in thermal IR band are reported in this paper.
    文章报道了空间多光谱扫描仪红外波段多元光导碲镉汞探测器的研制与优值。
23. Reducing propagation loss and increasing Ce3+, Bi3+ content can enlarge the figure of merit.
    降低吸收损耗和增大Ce、Bi离子含量可以增大石榴石薄膜的磁光优值。
24. A new measuring method for the figure of merit of a Ti doped sapphire crystal is proposed in the paper.
    提出了一种新的掺钛蓝宝石晶体FOM值测量方案。
25. Recently, much higher thermoelectrical figure of merit has been found in nanostructure-thermoelectric materials, so it may be a effective way to recycle the heat generation via thermoelectric effects.
    最近，由于人们在纳米结构材料中得到了较高的热电品质因子，因此合理利用纳米系统的热电效应将成为回收利用废热非常有效的办法。
26. While for the zigzag-edged nanoribbons, the figure of merit can be enhanced about 3 times.
    而对于锯齿边界的纳米带，热电品质因子增强约为3倍。
27. It is found that thermoelectric figure of merit can be effectively enhanced by periodic embeding boron nitride.
    结果发现通过周期性的嵌入氮化硼，石墨烯纳米带的热电品质因子能够被有效的增强。
28. The relevant parameters include: the device resistance R, the figure of merit Z, the maximum temperature difference Δ Tmax and the parameters of maximum operating condition and so on.
    相关参数包括：器件电阻R、优值系数Z、最大温差△Tmax及最大工况下的参数等。

noun

1. a numerical expression representing the efficiency of a given system, material, or procedure