The effects of changing the inlet and/or outlet conditions of the suction line heat exchanger used in a refrigerating system on evaporator size, compressor power and COP of the refrigerating system have been investigated by analyzing the thermodynamics process occurring in each thermal component and by redesigning the evaporator.
通过对制冷系统中回热器、蒸发器和压缩机工作过程的理论分析以及对蒸发器的热设计,定量地讨论了回热器出入口条件的改变对蒸发器尺寸、压缩机功率以及制冷系统成绩系数等的影响。
For a split type air source heat pump, compares and analyses variation of the parameters such as compressor shaft power, suction and discharge pressures under normal defrosting and false defrosting conditions.
对比分析了误除霜和正常除霜时压缩机的轴功率和吸、排气压力等除霜特性参数的变化,发现误除霜时压缩机轴功率高和排气压力高的根本原因是室外换热器表面无霜和室外风机停机。
And the existing thermal model and theory of power compression are amended.
总结了扬声器的热效应问题研究的进展,并对已有的热模型和功率压缩理论提出修正。
Theory of power compression of moving-coil loudspeaker is introduced.
介绍了动圈扬声器功率压缩的原理,提出了计算功率压缩的无热阻计算公式,在理论上研究了电学品质因数的温度漂移,对多个扬声器在不同输入功率条件进行了测量,实验表明理论和实测数据吻合。
The paper uses this technique for the diagnosis of three different drivers,compares measured and predicted distortion,investigates the thermal power compression and discusses the impact on the perceived sound quality.
将该技术用于3个不同单元的诊断,比较了测量的和预报的失真,研究了热功率压缩并讨论了对感知音质的影响。
Study of Varying Frequency and Guard against Gasping on High Power Compression Engine
变频控制的大功率压缩机防喘振研究
Limits of sound power level for noise emitted by air compressors (for power source use) and diaphragm compressors
GB7786-1987动力用空气压缩机和隔膜压缩机噪声声功率级限值
Power Factor Correction of the DC-inverter Compressor Driver
直流变频压缩机驱动器的功率因数校正
Calculation of Input Power of Pump Body of Rolling Piston Type Rotary Compressor
滚动转子式压缩机泵体输入功率的计算
Evaluation of Right Ventricle Postsystolic Shortening in Pulmonary Artery Hypertension Patients by Strain Rate Imaging
应变率显像技术评估肺动脉高压患者右心室功能及收缩后收缩
highest useful compression ratio
最高有效压缩比最有用的压缩率
Allowing a high compression ratio, direct fuel injection ensures maximum output of 327 kW (445 PS).
支持较高的压缩比，直接燃油喷射确保最大功率输出高达327 kW (445 PS)。
Determination of sound power level for noise emitted by displacement compressors--Survey method
GB/T7022-1986容积式压缩机噪声声功率级的测定简易法
Determination of sound power level for noise emitted by displacement compressors--Engineering method
GB/T4980-1985容积式压缩机噪声声功率级的测定--工程法
Improve Test Compression Ratio and Reduce Test Power of EFDR Codes by Scan Chain Reconfiguration
用扫描链重构来提高EFDR编码的测试压缩率和降低测试功耗
reduction in area
(挤压后) 断面减缩率
(electricity) the act of increasing voltage or power or current.
（电学）电压、功率、电流增加。
transformer-coupled power amplifier
变压器耦合功率放大器
hydraulic power take-off
液压驱动功率输出轴
"COMPRESSION RATIO The compression ratio of an engine is a measurement of how much the air-fuel charges are compressed in the engine cylinders,"
压缩比率:发动机的压缩比率是计算发动机气缸所压缩的混合油气量。
Adjust the estimated compression ratio for which drive?
要调整哪个驱动器的预估压缩比率?
It will be seen that the higher the compression ratio, the higher the efficiency.
可知压缩比愈大效率愈高。
Research of Grey Algorithm of Low Rate Speech Compression Based on DSP;
基于DSP低速率语音压缩灰色算法研究