pulse top

According to the Newton's second law of motion, the law of conservation of mass, and Bingham plastic flow equation of slurry, as well as under top cement pulsation, the mathematical models of one dimensional pressure pulse propagation downwards in the cement column was established.

文中根据牛顿定律、质量守恒定律及水泥浆的宾汉塑性流变性，在顶部水泥脉冲振动作用下，建立了水泥浆中，一维压力传播的波动方程的数学模型。

The extraction methods of pulse signal envelope feature using the complex wavelet transform and Hilbert transform are discussed in the article, by which we extract the rising edge, falling edge, envelope top drop and pulse width as the final feature values.

研究了对脉冲信号包络特征的提取方法，利用复小波变换和希尔伯特变换获取稳态信号包络，提取上升沿、下降沿、包络顶降以及脉宽等参数作为稳态特征。

Life started from the top, from a continuous pulse a winding in oozy and subtle.

感悟生命不由从连绵上浮起，从一脉一络中渗出，隐于细微。

The top ten symptoms of diabetes were: dark tongue, dry mouth, fatigue, polydipsia, greasy fur, wiry pulse, pale tongue, blurred vision, red tongue, thready pulse.

患者症状、舌脉象的频数及发生率前十位分别为：舌暗、口干、疲倦乏力、多饮、苔腻、脉弦、舌淡、视物模糊、舌红、脉细。

The square triple-pulses generator has an output voltage up to 250 kV, a pulsed current of 10 kA, pulse power of 2.5 GW, a repetition rate of 1 MHz, a pulse risetime of 40 ns, and a pulse flat top of 50 ns.

方波三脉冲源输出指标达到了电压250kV，脉冲电流10kA，峰值功率2.5GW，重复率1MHz，脉冲上升时间约40ns，脉冲平顶宽度50ns。