The energy efficiency of a water heater is measured in energy Factor or (ef). The larger the number of ef, the more efficient the water heater is.
热水器能效由能量因数或(EF)来测定，EF值越大，热水器的能效就越高。
The results show that the longitudinal wave velocity is closely correlated to strain energy factor and exhibits the blastability of frozen soil.
结果表明，纵波速度与变形能系数关联度最大，纵波速度能较好地反映冻土的爆破性。
This paper points out that the kinetic energy factor-hydrops height method can be applied to diagnose the accurate situation of the bottom hole liquid loading.
文中提出应用动能因子-积液高度法来诊断气井井底积液情况。
In this paper, on the basis of a single-particle model, the dispersion equation is obtained after considering the first perturbation term of relativistic energy factor.
本文从单粒子模型出发，导出了考虑相对论能量因子一级扰动量影响的色散方程。
This relationship is matched with the actual reservoir pressure history, to obtain the elastic energy factor of the reservoir and the aquifer and the water influx factor, simultaneously.
用这个关系式与实际油藏压力资料进行历史拟合，可同时求得油藏和含水层的弹性能量系数以及水侵系数。
The affection on the enthalpies of formation aroused by factors, such as size factor, electronegativity, the energy of orbit of selectron etc, is also discussed.
还讨论了尺寸因子，电负性，选择子的轨道能量等因素对形成焓的影响。
Writing in Scientific American, researcher Christopher Eppig said: "Infectious disease is a factor that may rob large amounts of energy away from a developing brain.
研究员克里斯托弗•埃皮格在《科学美国人》上发表文章说：“传染病是夺取处于发育阶段的大脑能量的一个因素。
The LHC will increase the energy at which we can study particle interactions by a factor of four.
LHC能够提供相足够能量来从一个因素（共有四个因素）研究粒子的相互作用。
The next factor is the energy cost of running, which is the equivalent to miles per gallon in an automobile.
第二个因素是运动能量消耗，相当于汽车每英里消耗汽油加仑量。
Capacity is really time, energy, and attention, and it's the energy and attention that are both the hardest to quantify and the ones that are limiting factor for creative work.
所谓工作能力实际上就是时间，精力和注意力。精力和注意力是最难量化的两个因素，同时也是限制创造力的因素。
Sure you might find a better product or price if you look at 50 options, but when you factor in the time and energy that would take, it's probably not such a value.
当然如果你考虑50个选项，可能会发现更好的产品或价格，但是当你把可能要花费的时间和精力计算在内，它大概不是这个价值。
The new enzymes increase the efficiency, by a factor of 100, of a solvent used to capture carbon dioxide. This promises to decrease the energy needed to capture and store the greenhouse gas.
这种新型酶可以将溶剂捕获二氧化碳的效率提高100倍，它意味着今后只需要更少的能量就可以对温室气体进行捕获和储存。
Rising energy prices are obviously a big factor.
不断提高的能源价格显然是一个重要因素。
These policy commitments had been an important factor in the bulging market capitalisations of green-energy firms two or three years ago.
两三年前，这些政策承诺曾经是环保能源企业市值被过高预估的重要因素。
Predicted by certain theories, those extra dimensions might effectively lower the Planck energy by a huge factor.
他说：“根据那些理论的预测，这些多余的维很可能成为普朗克能量降低的主要原因。
Just the way, in a very small way, this energy might be favored just because there are more states with it then there are states here. But again, with the system, it's not a factor of three to one.
在某种情况下，这个能量被占据的概率更大，因为有更多的状态数，对于系统而言，这个数目不是三或者是一。
“The Jarndyce v Jarndyce factor is very strong in America,” according to Paul Bledsoe of the National Commission on Energy Policy.
国家能源政策委员会的Paul Bledsoe表示：“JarnducevJarndyce因素在美国影响很大”。
Because of this flexibility, researchers hope to develop new electrode materials that can increase the energy density of lithium-ion batteries by a factor of two or more in the future.
因为具有这种弹性，研究者们期待能开发出新的电极材料，未来也许可以把锂离子电池的能量密度提高2倍或以上。
That's the limiting factor for both sun and wind energy.
这就是利用太阳能和风能的限制性因素。
And nuclear is hardly the only energy source that hasn't stood up in the free market once you factor in the external costs.
考虑到外部的成本因素，所以核电到目前为止是唯一还没能在自由市场上自主建设的能源。
River travel may be faster and save energy when hypothermia is not a factor. It may be a primary mode of travel and LOC in a tropical environment (use with caution if evading).
如果保暖不存在问题的话，在河流中行进可能会更快，更省力。河流航行在热带地图可能是最主要的穿行方式。
They also have to absorb energy and give it back quickly, a factor called power density.
新型电池还要能够快速充电和放电，这称为电能密度。
The harmonic problems, such as distorting supply voltage, decreasing power factor, increasing energy loss, interfering with communication systems etc. are discussed in the part one.
第一部分讨论各种谐波问题，如使供电电压畸变，降低功率因数，增加能量损耗，干扰通讯系统等。
Energy usage would be 55 terajoules per person 15.28 million KWH, 100 GW at 90% capacity factor produces about 800 billion KWH.
能源使用率将是每人55万亿焦耳1528万千瓦时，1亿千瓦容量按90%的系数可产生约8000亿千瓦时。
These results showed that the energy metabolism dysfunction was the initial stage, and the damage of oxygen free radicals was the major factor in ischemia-reperfusion injury.
这些结果说明线粒体能量代谢障碍是缺血再灌注损伤的始动环节，而氧自由基是造成损伤的主要因素。
This paper is concerned with the optimum waveforms foe detection in reverberation environment, under a maximum detection factor criterion with an energy constraint.
本文讨论了能量受限下，以最大检测指数为最优化准则，在混响环境中缓慢起伏点目标检测的最佳信号设计问题。
This paper is concerned with the optimum waveforms foe detection in reverberation environment, under a maximum detection factor criterion with an energy constraint.
本文讨论了能量受限下，以最大检测指数为最优化准则，在混响环境中缓慢起伏点目标检测的最佳信号设计问题。
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