斯坦福研究小组在向转换效率已经达到17%的硅太阳能电池中添加钙钛矿时，他们只测到一个功率很小的增加，达17.9%。
When the Stanford group addedperovskite to silicon solar cells whose efficiency was already 17 percent, forexample, they measured a much smaller increase in power output, to 17.9percent.
但缺陷明显，主要反映效率非常低，它以增加转差功率的消耗来换取转速的降低。
But it is obvious that its efficiency is extremely low, which results from increasing the power consumption. The slower rotational speed, the lower efficiency.
采用两个工作分流，许可通过不产生封闭功率流来增加变速箱效率，研究一个初始解。
By means of two separate phases of operation, an original solution is studied that allows an increase in the transmission efficiency through the generation of a flow without recirculation of power.
线路普遍存在的功率因数偏低现象，一方面会增加电网无功电流，另一方面会使电气设备运行效率降低。
The line exits power factor lower phenomenon that may increase virtual current and decrease operation efficiency of equipment.
针对此类功率放大器的不足，探讨了一种改进措施，给出了设计原理图，有望在不增加系统复杂性的基础上，显著提高前馈法的效率。
Because of the shortage of this amplifier, we develop a new measurement which can improve the power efficiency remarkably without adding the complexity of the system.
因此，在这样激光功率条件下，为提高原子激发效率而增加激光谱线宽度的做法并不是必要的。
So it is not necessary to use a broad-band laser to guarantee excitation efficiency for an atom with hyperfine split levels.
电石炉运行时，很低的功率因数使得损耗增加效率降低，产生的谐波使电网电能质量降低。
Low power coefficient may result in loss increased, efficiency decreased and the harmonic makes the power quality down-grade when a submerged arc furnace was operating.
用热回收装置引进新风后基本没有改变空调器的输入功率，相同环境条件下的制冷量增加，EER值增大，焓差热回收效率最高可达到34.12%。
The input power isn't changed much when the heat recovery device is running, on the contrary the EER value becomes bigger and the enthalpy difference heat recovery efficiency reaches 34.12%.
因此，在高功率输出时，增加踏频并不会降低骑行效率。
Therefore, at higher power outputs, increases in cadence may not always decrease cycling efficiency.
当输入功率大于一定数值时，臭氧产生效率随输入功率的增加而降低；
The efficiency of generating ozone decreases with the increase of input power.
在硬开关状态下，PWM功率变换器的致命弱点是开关管开关损耗随开关频率成正比增加，不利于系统的集成和转换效率的提高。
The shortcoming of hard switch is that the power loss of power devices increases with the switching frequency, which is no good for system integration and improvement of conversion efficiency.
数值模拟结果表明，太阳能烟囱的输出功率及能量转换效率随集热棚面积和烟囱高度的增加而增加。
The results of simulation show that the output power and energy conversion efficiency of the said chimney increase along with increasing the area of heat-collecting shed and the height of the chimney.
它允许使用非常低的直流电阻(DCR)功率电感(0.3米？)通过增强电流检测信号的SNR最大化变换器效率和增加功率密度。
It enables the use of very low DC resistance (DCR) power inductors (0.3m?) by enhancing the SNR of the current sense signal to maximise converter efficiency and increase power density.
在稳定工作区范围内，不同的含气量条件下，随着排出压头的增加，混合液总量稍有下降，轴功率直线上升，效率呈抛物线变化。
In this range of air-water ratio the flow rate of mixture slightly decreased, the axial power increased linearly and the pump efficiency increased parabolically with a rise in effective head.
在实验上研究连续掺铬氟化锂锶铝激光器输出功率与泵浦功率的关系，发现转换效率随着泵浦功率的增加而下降。
The relation between the output power and pump power for CW the cr: LiSAF laser is experimentally studied, and that the transform efficiency decreases with pump power is discovered.
电机长期工作在低负荷时的效率和功率因数均较低，降低了空调机组的性能系数COP，增加了空调机组的能耗。
The property coefficient COP of air conditioner system reduced and its consumption increased when the electrical motor operated at lower load.
适当增加铁心长度可以有效提高电机效率和功率因数，但会导致启动转矩倍数和最大转矩倍数减小。
Increasing core length properly can raise motor efficiency and power factor, but it will reduce locked-rotor torque ratio and breakdown torque ratio.
适当增加铁心长度可以有效提高电机效率和功率因数，但会导致启动转矩倍数和最大转矩倍数减小。
Increasing core length properly can raise motor efficiency and power factor, but it will reduce locked-rotor torque ratio and breakdown torque ratio.
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