| 1. | Double - freguency quenching unit and heat treatment process for cold - rolling work rolls
共昌冷轧工作辊双频淬火设备及工艺技术探讨 |
| 2. | Main factors exploration of influence water pump with speed governor by freguency modulator on energy saving effects
影响水泵变频调速节能效果的主要因素探讨 |
| 3. | Application of derrick high freguency fine screen in production capacity expansion , energy saving and consumption reduction of iron concentrator
德瑞克高频细筛在铁选厂扩产和节能降耗的应用 |
| 4. | The cable is applicable for radio freguency signal transmission of radio communica tion and felative electronic equipments
适用于无线电通讯、广播和有关电子设备中传输射频信号和实芯聚乙烯同轴和对称型射频电缆。 |
| 5. | The cable is applicable for radio freguency signal transmission of radio communica tion and relative electronic equipments
适用于无线电通讯，广播和有关电子设备中传输射频信号和实芯聚乙烯同轴和对称型射频电缆。 |
| 6. | Controls to hydro - generator is include manipulation of the rotational speed or freguency , output active power from hydraulic turbine , generator terminal voltage and the reactive power exporting from the generator
对水轮发电机组的控制包括机组转速即频率、水轮机输出功率、机端电压和发电机输出无功功率等的控制。 |
| 7. | Basde on further , analysis of formula d = 1 - af , this paper points out the conflict when using instantaneous limit and jadging positire and negative feedbavk byusing the depth of peedbavk , range of middle freguency of pnegative feedback amp circuit can also appear self - conflitct
摘要通过对公式d = 1 - af的进一步分析，指出用瞬时极性法与用反馈深度判定正负反馈时所出现的矛盾，说明负反馈放大电路的中频段也会出现自激的情况。 |
