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- Based on Proca equations, some far-reaching implications from massive photon, such as the frequency dependence of the speed of light, the deviations of static electromagnetic field(additional Yukawa potential), the longitudinal electromagnetic radiation. 根据Proca 方程组,具有非零质量的光子将导致很多新的现象:如光速将与频率有关、静电场将发生偏差(附加了汤川势)、电磁波的纵向分量将不为零。
- The frequency dependence of dielectric constant ~ (f 1 x 10~? x 106 LIz)and dielectric loss tan5 (f = lxi 02 ?1 x 1 O5Hz) follow a power law respectively and all show decreasing trends as frequency raised. 薄膜的介电频率关系(f=1×10~3-1×10~6Hz)和损耗频率关系(f=1×10~2-1×10~5Hz)均服从指数规律,随频率的增大而减小;
- XRD, SEM, temperature and frequency dependence of dielectric constant, and hysteresis loop were measured to investigate and study structure, microstructure, dielectric and ferroelectric properties of Barium Titanate dielectric ceramics. 应用X光衍射谱、扫描电子显微镜、介电率的温度与频率依存关系以及电滞回线测量,调查和研究所制备的钛酸钡陶瓷的结构、微结构、介电和铁电性质。
- Frequency dependence of impedance and ESR 阻抗和ESR与频率的典型曲线
- This allows for "adaptive" interrupts that vary in frequency depending on the net's burst volume. 这就允许依据网上脉冲数量多少而不断改变频率的“自适应”中断。
- frequency dependence of resistance 阻力的频率依赖性
- Amplifier self-oscillates at a frequency depending on the velocity of the fluid. 放大器自激振荡的频率就取决于流体的速度。
- This allows for "adaptive" interrupts that vary in frequency depending on the net's burst volume. 这就允许依据网上脉冲数量多少而不断改变频率的“自适应”中断。
- The swing is a pendulum with a single natural frequency depending on its length. 秋千是只有一个固有频率的摆,此频率决定于它的长度。
- The amplitude (DAD Amp),coupling interval (DAD C),and the mean rate of rise (DAD dv/dt ) of DAD were frequency dependent. 心室肌细胞诱发的DAD幅度(DAD-Amp)、DAD偶联间期(DAD-C)和DAD升支上升速率(DAD-dv/dt)呈明显的频率依赖性,即刺激频率愈快,DAD-Amp愈高、DAD-dv/dt愈快,DAD-C则愈短。
- Mealtime frequency depends on the age, size, and activity level of your dog.Ask your veterinarian how often you should feed your dog. 每天喂几次要根据你狗狗的年龄、体型以及活动类型决定。
- The dynamics in the yaw movement of self-steering EEF bogie is similar to that of the pendulum whose natural frequency depends on the tread gradient of equilibrium position. 自调节独立车轮轮副的摇头运动类似于单摆,其频率取决于接触点的踏面锥度。
- Frequency dependence of surface tension of a surface acoustic wave 低频液体表面张力与频率关系研究
- He varied the transmission frequency. 他变换了无线电传送的频率。
- The frequency dependences of both amplitude and phase-shift of the first harmonic of the ring-down signal are measured by a lock-in amplifier in a phase-shift cavity ring-down technique (PS-CRD). 分析了相移光腔衰荡技术中由锁相放大器探测光腔输出信号一次谐波的振幅和相位随调制频率的变化曲线。
- The converter is self-oscillating, operating at switching frequencies depending on the input voltage, load, and external components. 该转换器为自振荡型,其工作的开关频率取决于输入电压、负载和外部元件。
- A unit of frequency equal to one cycle per second. 赫兹频率的单位,等于每秒一周
- Thus, ferrites exhibit low energy losses, are efficient, and function at many frequencies depending on the permeability. 因此,陶铁磁体展现低的能源损失,是有效率的,而且在许多频率动作仰赖浸透性。
- Performance Comparing of PAM and PPM under UWB Frequency Dependence Channel 超宽带频率依赖性信道模型下的PAM和PPM性能比较
- Fatal accidents have decreased in frequency over recent years. 近年来死亡事故发生的频率已经下降。