低频电流,low frequency currents
1)low frequency currents低频电流
1.Effects oflow frequency currents on Rheum tanguticum Maxim seeds germination and activities低频电流对唐古特大黄种子萌发及活力的影响
2.By introducing orthogonal optimized experiment method,Tanggula rhubarb seeds were processed withlow frequency currents combined with gibberellin,and their germination and activity are studied.采用正交设计研究低频电流和赤霉素相结合对唐古特大黄种子萌发及活力的影响。
英文短句/例句
1.ringdown signaling低频监察信号 -用低频电流传送监察信号
2.Resrach of Apple Impedance Monitoring System under Low Frequncy Current-Source;低频电流激励下苹果电阻抗检测系统的研究
3.Effects of low frequency currents on Rheum tanguticum Maxim seeds germination and activities低频电流对唐古特大黄种子萌发及活力的影响
4.The Electromagnetic Characteristic Study of Brain Impedance under a Low Frequency Current-Source;低频电流激励下脑电阻抗的电磁特性及应用研究
5.low frequency AC coded track circuit低频交流电码轨道电路
6.CMOS Current-Mode Radio Frequency Low Noise AmplifierCMOS电流模式射频低噪声放大器
7.Research and Implementation on Low-frequency Sine Wave Current Source for Testing测试用低频正弦电流源的研究与制作
8.Study on High Intensity Discharge Lamp Electronic Ballasts with Low-Frequency Square-Wave低频方波高强度气体放电灯电子镇流器研究
9.Applications： Low Voltage, High Frequency Inverters, and Polarity Protection Applications.主要用途：低电压整流，高频转换开关和极性保护。
10.Research on Low-frequency Square-wave Electronic Ballast for HID Lamp;低频方波HID灯电子镇流器关键技术研究
11.Research on Low-frequency Sine Waveform Exciting Mode for Electromagnetic Flowmeter;电磁流量计低频正弦波励磁方法的研究
12.Research on Low-frequency Three-value Trapezoidal Waveform Exciting Mode for Electromagnetic Flowmeter;电磁流量计低频三值梯形波励磁方法的研究
13.Coordinated Stabilized Control of Low-Frequency Oscillation of AC/DC Hybrid Power System;交直流混合电力系统低频振荡协调稳定控制
14.Low-frequency high-precision PLL based on optical current transducer基于光学电流互感器的低频高精度锁相环
15.Continuous Current Circuit Applied to Improving Low Frequency Characteristic of Stepping Motor改善步进电机低频特性的续流回路方法
16.The influence of tie-line power flow on low-frequency mode in interconnected power system联络线潮流对互联电网低频振荡模式的影响
17.Simulation Study on Low Frequency Power Swing Suppressing with HVDC Transmission高压直流输电对低频振荡抑制作用的仿真研究
18.At low frequencies, the DC resistance of a given conductor is essentially the same as its AC resistance.在低频情况下，给定的导体的直流电阻实际上与其交流电阻一样。
相关短句/例句
Low frequency current field低频电流场
3)low frequency time-harmonic current低频时谐电流
4)Low-frequency current trealmenl低频电流处理
5)low frequency a.c. generator低频交流发电机
6)Low-frequency sine wave current source低频正弦电流源
延伸阅读
低频1.指应用于某一技术领域中的最低频率范围。例如，无线电波段中，将30～300千赫范围内的频率称低频;电子放大电路中，将接近音频(20赫兹～2万赫兹)的频率称为低频。
