Results: the existence of the phenomenon of the deficiency in both blood and oxygen of the fetus when the irregular image of the fetus umbilical artery blood flow spectrum curve emerged.
结果：胎儿脐动脉血流频谱曲线出现不规则图像时，有可能提示胎儿已有供血供氧不足的现象存在。
Conclusion: The color Doppler flow spectrum have high applicated value in early diagnosis of small mammary cancer.
结论：彩色多普勒血流频谱形态在小乳腺癌早期诊断中具有较高的应用价值。
One of the important steps concerning data interpretation of impulse oxygen activation water-flow logging was to accurately locate the peak position in the time spectrum.
脉冲氧活化水流速度测井解释的关键是准确求解时间谱上水流信号的峰位。
Objective To evaluate the clinical value of tissue Doppler imaging(TDI) and pulmonary venous flow spectrum in the assessment of left ventricular diastolic function by E/A ratio.
目的通过组织速度图舒张时间、肺静脉频谱及二尖瓣环E/A比值评价冠心病患者左室舒张功能。
Spectrum analysis and phase method were used for the boiling two phase flow studying in this paper.
采用频域和相空间方法分析沸腾两相流系统。
Wave spectrum of disturbance is analyzed in spherical barotropic atmosphere with basic flow.
本文对球面上有基流的正压大气小扰动进行了波谱分析。
Spectrum Doppler showed increased blood flow velocity in the proximal stenosis, and distal flow reduction.
频谱多普勒显示狭窄近段血流速度增高，远段流速减低。
The methods of acquisition and tracking of spread spectrum(SS) signals, hardware design and software flow, are discussed in detail.
文中较详细地讨论了扩频信号的捕获跟踪方法、硬件设计及软件流程。
Objective To learn changes in cerebral hemodynamics and characteristics of blood flow frequency spectrum of neonates with hypoxic-ischemic encephalopathy (HIE) and their clinical significance.
目的：研究缺氧缺血性脑病(HIE)患儿脑血流动力学变化及血流频谱特点，并探讨其临床意义。
Results : There were 19 cases of lymph node micrometastases in 15 patients with the rich in color Doppler and morphological changes in blood flow , and 12 patients were arterial flow spectrum .
结果 ：在回顾分析有淋巴结微转移的19例患者的彩色多普勒成像中，15例得到丰富的形态学改变或血流显示，且有12例获得动脉血流频谱。
Moreover, proposes a generalized flow cytometer, a system device that can realize living cells in electromagnetic spectrum analysis experiment.
并且提出“广义流式细胞仪”这样一个可实现电磁生物研究中对活体细胞进行电磁波谱分析的仪器系统。
Studied two conditions of acoustic signals when it was single-phase gas and two-phase flow in the pipeline from sound spectrum, acoustic energy, peak frequency and amplitude.
分别从声波频谱，声波能量，峰值频率，以及幅值等方面对管道内为单相气体和两相流体两种状态下的声波信号进行了研究。
Objective To investigate the influence of simulated heart motion on the Doppler spectrum velocity - time integral (VTI) of simulated blood flow measurements through an in vitro model.
目的探讨体外模拟心脏运动对多普勒血流流速曲线速度时间积分(VTI)测定的影响。
The vortex shedding frequency spectrum characteristics on a heated circular cylinder in water cross flow was investigated experimentally.
本研究对水平液体绕流热圆柱体的旋涡脱落特性进行了研究。
Blood flow showed more signal, star or dot in shape, and arterial spectrum.
血流信号较多，星点状，血流频谱为动脉频谱。
Blood flow showed more signal, star or dot in shape, and arterial spectrum.
血流信号较多，星点状，血流频谱为动脉频谱。
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