Pulse inversion harmonic imaging;
反向脉冲谐波成像；
Objective:To evaluate the applicable value of coded harmonic imaging(CHI)in thyroid mass.
目的：探讨编码谐频成像技术在甲状腺占位性病变中的应用价值。
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。
By taking power Doppler harmonic imaging, 16 segments for semi quantitative scoring were chosed.
采用能量谐波方法显像，16节段半定量记分法目测评分。
Objective To evaluate the application of tissue harmonic imaging in diagnosis of ureteral calculi.
目的探讨组织谐波显像对输尿管结石的诊断价值。
Purpose To investigate the applied value of tissue harmonic imaging (THI) in peri-ampulla obstruction.
目的探讨组织谐波成像技术在壶腹周围梗阻的应用价值。
Objective To evaluate the role of Native Tissue Harmonic Imaging (NTHI) in the diagnosing of hepatic cancer.
目的评价自然组织谐波成像在肝癌诊断中的价值。
Objective To study the clinical value of applying native tissue harmonic imaging (NTHI) technique in abdomen.
目的研究自然组织谐频成像(nthi)技术在腹部应用的临床价值。
Purpose: To assess the efficacy of native tissue harmonic imaging (NTHI) in the delineation of carotid plaque.
目的：评价自然组织谐波成像(nth I)对显示颈动脉粥样硬化斑块结构清晰度的影响。
Objective: To evaluate the clinical application of power harmonic imaging in the liver space occupying lesions.
目的：了解能量谐波成像对肝脏占位病变的应用价值。
Objective To explore the value of tissue harmonic imaging (THI) in the diagnosis of acute myocardial infarction.
目的探讨组织谐波成像(THI)技术在急性心肌梗死诊断中的应用价值。
Objective: To evaluate the effect of the tissue harmonic imaging (THI) on image quality and construction measurement.
目的：探讨组织谐波成像技术(THI)对图像质量及结构测量值的影响。
Objective To explore the value of native tissue harmonic imaging (NTHI) in the diagnosis of calculus in pelvic ureter.
目的探讨组织自然谐频成像在盆段输尿管结石诊断中的价值。
Objective:To investigate wather native tissue harmonic imaging(NTHI) can improve sonograph and increase diagnosis rate.
目的：研究自然组织谐波成像技术对超声图像的影响，旨在提高诊断率。
Objective To assess the perfusion of acute myocardial ischemia with ultrasound contrast agent by intermittent harmonic imaging.
目的采用二次谐波触发显像超声造影评价急性缺血心肌血流灌注。
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。
Objective:To evaluate the application of contrast enhanced power harmonic imaging in hepatic artery embolization of hepatocellular carcinoma.
目的：探讨能量谐波成像声学造影在肝动脉栓塞治疗肝癌中的应用价值。
Methods The image quality of ureter in 169 patients with ureteral calculi was compared between tissue harmonic imaging and fundamental imaging.
方法对169例输尿管结石患者进行基波显像和组织谐波显像对比观察。
Objective: to assess the value of the Acoustic Densitometry (AD) in evaluating the normal liver contrast with the intermittent harmonic imaging.
目的：探讨声学密度定量评价间歇谐波显像在正常肝脏声学造影中的价值。
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。
Objective:To study integrated backscatter(IBS)by tissue harmonic imaging(THI)to assess myocardial viability in patients with old myocardial infarction(OMI).
目的：探讨组织谐波成像（THI）后应用超声背向散射积分（IBS）评价陈旧性心肌梗塞（OMI）心肌残存收缩能力的优点。
Objective: To evaluate the diagnostic importance of Tissue Harmonic Imaging (THI), Color Doppler Energy (CDE) and Zoom function for Renal Angiomyolipomas (RAL).
目的：探讨组织谐波成像技术(THI)、彩色能量多普勒血流图(CDE)及放大功能在肾错构瘤(RAL)诊断中的应用。
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。
Conclusions the tissue harmonic imaging evidently improves the contrast and imaging quality, so that the positive rate and diagnostic accuracy of calculus would be upgraded.
结论组织谐波显像能明显提高图象的反差及对比度，改善图象质量，使泌尿系结石的阳性显示率和诊断准确性明显提高。
Conclusions:Tissue harmonic imaging by left side perflurocarbon contrast echocardiography can enhance left side heart chamber opacification brightness and obtain higher quality image.
组织谐波成像技术能增强左室腔显影亮度获得更好的显影图像。
Objective: Compared to fundamental imaging (FI), we used native tissue harmonic imaging (NTHI) to improve image quality on regional wall movement of left ventricle in coronary disease.
目的：通过与基波成像(FI)的对比，研究自然组织谐波成像(nthi)对冠心病节段运动观察的改善情况。
In the past 20 years, the imaging technique of ultrasound imaging equipment has made much progress in harmonic imaging, coherent imaging, Doppler imaging and frequency spectra analysis.
近20年来，超声成像设备在电脑超声成像技术，谐波成像技术，相干处理成像技术，多普勒频移成像技术，回波频谱分析技术等方面取得了重大进展。
Objective To study the method of how to improve the quality of sonograms and increase sonograms reveal rate by comparative observation between tissue harmonic imaging(THI)and fundamental imaging (FI).
目的探讨组织谐频成像（THI）与常规基频成像（FI）的对比观察，研究THI改善声像图质量，增强图像的显现力。
Regional LV function was analyzed with the use of harmonic phase imaging.
使用谐波相位成像来分析区域性左室功能。
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