There was no obvious blood flow signal on CDFI.
彩色多普勒血流成像示血流信号不明显。
The blood flow signal disappeared in vessel occlusion.
闭塞时，血流信号消失。
The flow signal of electromagnetic flowmeter is based on fluid criterion.
电磁流量计的流量信号是以流体为基准的。
There were no flow signal in the vitreous detachment body in color Doppler.
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。
The positive instantaneous flow signal were transmited by absolute value circuit.
用绝对值电路输出正极性瞬时流量信号。
Renal contusion detected by Color Doppler reflected decreased or normal blood flow signal.
彩色多普勒显示肾内血流信号减少或无明显异常。
Color Doppler imaging suggested red blood flow signal of central retinal artery (CRA) branched into tumor.
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。
Spot blood flow signals were present on the surface of the lesion. There was no abnormal blood flow signal in the mass.
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。
Both after chemotherapy and radiotherapy, resistance index increases and detectable intratumoural blood flow signal decreases.
经放、化疗治疗后，血流信号减少，血流阻力指数增高。
This paper states a mechanical rotating pulsating flow signal generator and its working principle and structural characteristics.
本文介绍了作者研制的机械旋转式脉动流量信号发生器的基本工作原理和结构特点。
Purpose: To study the characteristics of Color Doppler flow signal in cervical lymph nodes with metastasis from nasopharyngeal carcinoma.
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。
Color Doppler ultrasound revealed small amount of dotted blood flow signal in 55 nodes (80.9%), with no obvious blood flow signal around nodes.
彩色多普勒血流显像发现55个(80.9%)结节内少量点状血流信号，结节周边无明显血流信号。
For example, the flow estimate may be utilized to trigger expiratory pressure relief during a patient's expiration as detected with the estimated flow signal.
例如，可以按照用所估计的流量信号所检测的，利用流量估计值在患者呼气过程中触发呼气减压。
In this paper, using computer science technology, automation control theory, and medical physic diagnose technology to analysis blood-flow signal and image data.
本文综合应用计算机科学技术、自动控制理论和医学物理诊断技术，研究肢体血流图信号处理和肢体血流图像数据的分析方法。
A dynamic programming algorithm based on the global optimization is presented to extract the maximum frequency waveform of the Doppler ultrasound blood flow signal.
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。
RESULTS: Hemodynamics of CV could be divided into 4 types: high velocity type (27%), normal velocity type (22%), low velocity type (48%) and blood flow signal absence (2%).
结果：颈性眩晕血流动力学可分为4型：高流型(27%)、正流型(22%)、低流型(48%)、血流信号消失型(2%)。
Even if the sampling rate is high, the method makes part of a low blood flow signal clearly visible in frequency domain, and more detailed blood flow sonogram can be obtained.
该方法可以在高采样频率条件下实现低流速血流信号的局部可视化，同时由于局部范围内采样分辨率的提高，将获得更细致的血流声谱图。
Some advantages of high pulsating frequency and good ability against interference of this flow signal generator are shown in the steady and dynamic experimental research on it.
所进行的各种稳态和动态试验研究表明，该脉动流量信号发生器具有较高的脉动频率和明显的抗干扰能力等优点。
Validated by the experiments, AR model spectrum estimation method is a good way to process flow signal and the results of it is more accuracy than the results that gain by count method.
通过实验验证，AR模型谱估计可以作为一种较好的方法，用来处理流量计的输出信号，并且此方法得出的结果比计数方法得出的结果精度高。
The traditional signal processing methods that amplify, filter, rectify signal and count, which are used in vortex flowmeter now, has shortage in extracting real flow signal from noise.
目前涡街流量计所采用的放大、滤波、整形、计数的处理方式，在从噪声中提取流量信号方面存在较大的局限性，只能采用限制量程比、不测小流量等方法来抑制噪声。
Methods: tube flow phantoms which simulating the cerebral blood flow were established. Flow signal intensity of the steady flow in tubes was measured by MR phase-contrast cine technique.
方法：用磁共振相位对比电影法测定模拟脑血液流动的管状模型稳态流动下流体信号强度，并与相应的速率进行相关性分析后分别得出相应的转换函数关系。
Result There were rare color flow signal on the circumference and inside benign tumors (77.4%). There were rich color flow signal on the circumference and inside malignant tumors (82.1%).
结果1良性甲状腺肿块周边部及内部常显示稀少的彩色血流信号(77.4%)，而恶性甲状腺肿块周边部及中央部多显示丰富的彩色血流信号(82 . 1 %)。
Result: Left lower limb DVT was more than right one apparently and the main manifestations were echo of DVT, incompressibility of the vein with probe pressure, absence of flow signal, and so on.
结果：下肢DVT左侧明显多于右侧，主要表现为静脉腔内血栓回声，探头加压时静脉不被压瘪或部分压瘪，血栓部位无血流信号等。
From the flow signal generated by orifice to the display on flow totalizer, the multiple conversions of signals are dissected directly perceived through four quadrants signal conversion diagram.
从流体经过孔板产生信号出发，到在流量积算仪上显示流量，用四象限信号转换图直观地剖析了信号的多次转换，重点阐明了其中的非线性转换。
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.
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。
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.
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。
Color Doppler showed bidirectional multicoloured shunt flow signal through ventricular septal, and for those with pulmonary stenosis, it showed multicoloured jet flow signal through pulmonary artery.
彩色多普勒血流显像显示过室间隔双向五彩镶嵌分流束血流信号；有肺动脉狭窄患者显示过肺动脉五彩镶嵌射流束血流信号。
In this way, a lack of flow in a conversation may signal that our relationship is not as solid as we thought it was.
在这种情况下，对话中缺乏流畅性可能意味着我们的关系并不像我们想的那样稳固。
To speed up the flow of data, electrons need to be turned into photons "as close as possible to where the signal is processed", explains Bert Offrein of IBM Research.
IBM研究所的波特·奥弗林(Bert Offrein)解释说，为了加速传输数据流需要在信息处理之后就近将电子转换成光子。
To speed up the flow of data, electrons need to be turned into photons "as close as possible to where the signal is processed", explains Bert Offrein of IBM Research.
IBM研究所的波特·奥弗林(Bert Offrein)解释说，为了加速传输数据流需要在信息处理之后就近将电子转换成光子。
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