反向脉冲谐波显像 Pulse-inversion harmonic ; PIH
脉冲谐波显像 Pulse Inversion Harmonic Imaging ; Pulse-inversion harmonic ; PIH
反向脉冲谐波成像 PIHI ; pulse inversion harmonic imaging
反向脉冲谐波 Pulse-inversion harmonic ; PIH
应用反向脉冲谐波显像 Pulse-inversion harmonic ; PIH ; pulse inversion harmonic imaging
结合反向脉冲谐波显像 pulse-inversion harmonic imaging ; PIH
编码反相脉冲谐波 Code PI Harmonic
脉冲反向谐波成像 pulse inversion harmonic imaging ; PIHI ; PIH
脉冲反相谐波显像 pulse inversion harmonic imaging ; PIHI
脉冲反向谐波技术 PTHI
反向脉冲谐波成像；
目的探讨不同肝局灶性病变在超声造影反向脉冲谐波显像时的动态灌注过程及其特征。
Objective To characterize the dynamic contrast enhancement in focal hepatic lesions with pulse inversion harmonic (PIH) ultrasonographic imaging.
结果显示，超短脉冲谐波辐射过程中电子获得动能的量子路径偏离主要量子路径，而且该偏离效应受载波包络相位的影响。
The results show that the quantum path through which the electron gains kinetic energy deviates the dominant quantum path. In addition, the deviation is effected of the carrier-envelope phase.
应用推荐