查询词典 efficiency

The brushless permanent magnet automobile a. c. generator has the advantages of high reliability, long service life, high efficiency, good performance at both low and high speed, low radio interference, simplifying its associated voltage regulator, cutting down materials, technology simplified, as well as high power/weight ratio, etc.,and will be a new product with broad prospects and large market.

无刷永磁汽车交流发电机由于取消了碳刷、滑环及励磁绕组，可大大提高可靠性，延长使用寿命，具有效率高，低、高速性能好、无线电干扰小，与之匹配的电压调节器结构简单、节约原材料、工艺性能好、比功大等优点。

If you have a dry cleaners for more than a scientific setting, then electricity, fuel savings goes without saying, cleaning time, improve efficiency can be reflected immediately.

如果你有一个科学的设置，然后电费一干洗店，燃料节约不言而喻，清洗时间，提高效率，可以立即反映。

At 623 K, NO removal efficiency avg.≒39.7% and at about 12% O2 reacted efficiency.

在623 K时，NO在500~7000秒的平均去除率39.7%，O2的平均利用率12%。

The concerned standards for CACUs at home and abroad are discussed in detail, and the energy efficiency status of actual units are also analyzed. Then it is concluded that energy efficiency requirements for Chinese CACUs must be stricter.

详细讨论了国内外空调机组相关标准，并系统分析了实际产品的能效现状，认为必须提高我国空调机组的能效要求。

The model is used to calculate theoretical EERs of units with different design options. Afterwards a study is performed to determine the payback periods and life cycle costs corresponding to theoretically calculated EERs, which finds out technical feasibility is prior to other factors when establishing EESs for CACUs. Finally, new energy efficiency standards and energy efficiency grades for CACUs are presented based on the aforementioned researches.

利用该模型计算了机组不同设计方案理论上可达的能效比；然后通过分析获得相应能效比所需的回收期以及不同情形下的生命周期成本，发现制定空调机组能效标准应着重考虑技术可行性；最后在上述研究的基础上提出了空调机组新的能效限定值及能效等级。

The maximum theoretical efficiency is equivalent to the Carnot cycle, however the efficiency of real engines is only a fraction of this value, even in highly optimized engines.

最高理论效率相当于卡诺循环，但效率的真正的发动机是只有一小部分的价值，即使是在高度优化的引擎。

Starting from the graphs of P-V and T-S and the second law of thermodynamics, and on different aspects and with different methods, this article studies the maximum value of the efficiency of heat engine in the process of arbitrary cycles, and presents the conclusion that the efficiency of the heat engine in Carnot cycle is the greatest among all arbitrary cycles.

卡诺定理给出了热机的循环效率极大值问题。由P-V图、T-S图、热力学第二定律出发，从不同的角度，采用不同的方法，对任意循环过程的热机效率极大值问题进行了研究，证明了任意循环过程热机效率以卡诺循环的热机效率为最大极限值的结论

Radiation from a fiber coupled diode (core diameter 0.4 mm, N.A. 0.3) is coupled into Tm5% at.,Ho(0.5% at.∶GdVO4 crystal by a pair of achromatic lens for end pumping. Output power of 3.6 W at 2.048 μm is obtained under pump power of 14 W and emission wavelength of 794 nm. The optical-optical conversion efficiency is 25.7% and slope efficiency is 26.6%.

在液氮制冷晶体条件下，利用光纤耦合激光二极管及消色差光学耦合系统端面泵浦双掺5％Tm，0.5％Ho∶GdVO4晶体，在泵浦功率14 W、泵浦波长794 nm时，实现了2.048 μm激光输出，连续运转输出功率3.6 W，相应的光光转换效率为25.7％，斜率效率26.6%。

On output power and efficiency,also considering the Thomson effect,numerical calculating model of output power and efficiency of micro-thermoelectric generator was built up.

微小型热电发电器由于尺寸较小，接触内阻以及结构的覆盖层、导流层等对输出功率和热电转换效率都有不可忽视的影响。

3In four water conditions, three turfgrass water use efficiency with the increase of soil moisture gradient became smaller. Kentucky bluegrass, the highest water use efficiency.

3在4种水分条件下，三种草坪草的水分利用率随着水分梯度的增加逐渐变小，草地早熟禾的水分利用率最高。

Singer Leona Lewis and former Led Zeppelin guitarist Jimmy Page emerged as the bus transformed into a grass-covered carnival float, and the pair combined for a rendition of "Whole Lotta Love".

歌手leona刘易斯和前率领的飞艇的吉他手吉米页出现巴士转化为基层所涵盖的嘉年华花车，和一双合并为一移交&整个lotta爱&。

This is Kate, and that's Erin.

这是凯特，那个是爱朗。