注药后肌瘤内血流信号明显减少。
The blood flow signals in hysteromyomaswas significantly decreased.
彩色多普勒血流成像示血流信号不明显。
闭塞时，血流信号消失。
彩色多普勤血流显像显示胎盘剥离区无血流信号。
No signals of blood flow was shown the abruption area of placenta by color Doppler flow image.
彩色多普勒显示肾内血流信号减少或无明显异常。
Renal contusion detected by Color Doppler reflected decreased or normal blood flow signal.
经放、化疗治疗后，血流信号减少，血流阻力指数增高。
Both after chemotherapy and radiotherapy, resistance index increases and detectable intratumoural blood flow signal decreases.
目的：研究鼻咽癌颈转移淋巴结的彩色多普勒血流信号特征。
Purpose: To study the characteristics of Color Doppler flow signal in cervical lymph nodes with metastasis from nasopharyngeal carcinoma.
彩色多普勒血流成像检查，后脱离的玻璃体上均无血流信号。
There were no flow signal in the vitreous detachment body in color Doppler.
目的研究在不同胎盘缺血情况下胎羊脐带动静脉血流信号的变化。
Objective To study the cord artery and vein blood flow change during different placenta ischemic states.
常规超声检查观察肾占位大小、回声、边界、有无彩色血流信号。
The size, echo, boundary and color flow signals of renal lesions were observed by conventional US.
目的探讨经静脉声学造影剂对下肢动脉彩色血流信号的增强作用。
Objective To investigate the enhancement of color Doppler signals in lower limb arteries by intravenous ultrasound contrast agent.
目的研究在彩色多普勒超声造影中肝实质性占位血流信号的改变。
Objective To evaluate the hemodynamic changes of the vascularity in hepatic focal lesions by color Doppler flow imaging techniques after intravenous injection of Levovist.
这种高速血流信号可能为动一静脉瘘引起，对乳癌的诊断有特异性的价值。
These high velocity flow signals might be caused by arteriovenous shunting, and had a specific value for diagnosis of the breast cancer.
彩色多普勒表现视网膜中央动脉(CRA)红色血流信号进入肿瘤内呈分支状。
Color Doppler imaging suggested red blood flow signal of central retinal artery (CRA) branched into tumor.
结果两者间甲状腺血流明显不同，单纯性甲肿血流信号正常，甲亢血流明显增加。
The results that normal signal of blood flow in simple goiter and distinct increase of blood flow in hyperthyroidism were found.
同时彩色多普勒检出的血流信号丰富与否也是关键，恶性肿瘤均可检出丰富血流信号。
It is also critical whether plenty of blood flow signals could be received from the color Doppler.
在信号的几何域特征提取方面，给出了利用分形方法分析超声多普勒血流信号的例子。
The fractal method used for Doppler blood flow signals analysis is an example in geometry domain.
提出一种基于全局优化的动态规划算法以进行超声多普勒血流信号最大频率曲线的提取。
A dynamic programming algorithm based on the global optimization is presented to extract the maximum frequency waveform of the Doppler ultrasound blood flow signal.
结论经静脉超声造影剂能够显著增强下肢动脉彩色血流信号，有助于下肢血管病变的诊断。
Conclusions Intravenous ultrasound contrast agent could give rise color Doppler signals in lower limb arteries, and help to make lower limb artery disease diagnosis to a more accurate extent.
结论：表面活性剂类声学造影剂经外周静脉注射后血流信号增强效果显著，值得进一步研究。
Conclusions: the surfactant contrast agent is capable of obvious enhancement of flow Doppler signal by intravenous injections, it would be researched further.
所有病人二维超声心动图显示三尖瓣区无瓣叶活动，CDFI显示右房室连接处无血流信号。
Echocardiography in all patients showed tricuspid area without movement of the leaflets, no CDFI signal over the right atrioventricular junction.
彩色多普勒显示病变区呈蓝红相间的彩色血流信号，脉冲多普勒显示连续带状门脉血流频谱。
Pulsed Doppler spectra showed image of smooth continuous bands in the honeycomb or snaky black areas.
目的：用“分数维”彩色血流信号定量法来探讨肾脏内部彩色血流信号与肾脏结构及功能的关系。
Objective: To discuss the relationships of the color Doppler signals and the structures and functions of the kidney by Fractal Dimension.
超声多普勒血流信号声谱图包络是声谱参数提取的基础，能为临床心血管疾病的诊断提供重要信息。
The spectrogram envelop of Doppler ultrasound blood flow signals from which spectrogram parameters can be estimated is important to clinical diagnosis of cardiovascular diseases.
结果：甲亢组与亚甲低组甲状腺体积均不同程度增大，内部回声增粗，甲状腺内血流信号明显增多；
Results:In both of HT and SHT, the thyroids were enlarged with rough echo and abundent flow signals.
多普勒超声血流信号是一个非平稳的高斯随机过程，其时频分布与血流的速度及其变化有密切的关系。
The Doppler blood flow signal is inherently a nonstationary Gaussian random process whose time-frequency representation associates with the time-varying velocity of blood flow and its variations.
病变的基底部可探及较丰富的血流信号，表面可探及点状、带状血流信号，病变内部无异常血流信号。
Spot blood flow signals were present on the surface of the lesion. There was no abnormal blood flow signal in the mass.
根据超声多普勒血流信号和血管壁搏动信号的统计特性，提出了一种基于主元分析的非线性滤波方法。
A nonlinear filtering method based on principle component analysis (PCA) was proposed according to the statistical characteristics of the Doppler ultrasound blood flow signal and wall thump signal.
结论分数维定量参数可以准确反映彩色血流信号的丰富程度，该软件的临床应用价值值得进一步研究。
Conclusions Fractal dimensions can reflect the amount of color Doppler signals. The clinical value of this software is worthy of further researches.
结论分数维定量参数可以准确反映彩色血流信号的丰富程度，该软件的临床应用价值值得进一步研究。
Conclusions Fractal dimensions can reflect the amount of color Doppler signals. The clinical value of this software is worthy of further researches.
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