Objective To discuss the value of second harmonic imaging in diagnosing pancreatic masses.
目的探讨二次谐波技术对胰腺肿块的诊断价值。
Objective To investigate the application of SonoVuecontrast-enhanced ultrasound and second harmonic imaging in liver hemangioma.
目的探讨超声造影二次谐波成像技术在肝血管瘤中的应用。
Superharmonic imaging is made for biological tissues and compared with the results from fundamental and second harmonic imaging.
对生物组织进行了超谐波成像，并与基波、二次谐波图像对比。
Methods Observation were done in 30 old patients who successfully underwent myocardial contrast imaging using second harmonic imaging technology.
方法对行超声二次谐波心肌造影的30例患者进行观察。
Detecting visualization of segmental renal trauma on both second harmonic imaging(SHI)and color Doppler energy imaging(CDEI)before and after enhanced ultrasonography.
分别用二次谐波显像及彩色能量多普勒成像，观察造影前后局部损伤的位置、范围及回声。
Objective: to have an acoustic densitometry (AD) analysis about the relationship between doses and effects in experiment rabbit liver with second harmonic contrast imaging.
目的：利用实验性兔肝对二次谐波成像中的剂量-效应关系进行声学定量分析。
Objective: to have an acoustic densitometry (AD) analysis about the relationship between doses and effects in experiment rabbit liver with second harmonic contrast imaging.
目的：利用实验性兔肝对二次谐波成像中的剂量-效应关系进行声学定量分析。
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