Objective To explore clinical value of color Doppler flow imaging(CDFI) for diagnosis of abruptio placentae.

目的探讨彩超诊断胎盘早剥的临床价值。

To evaluate the value of color Doppler ultrasound to muscular veniplex thrombosis of calf.

评估彩色多普勒超声检测小腿肌肉静脉丛血栓的应用价值。

Objective To evaluate the accuracy and security of color-Doppler guided coarse needle bioptic histopathology in diagnosis of thyroid nodules.

目的评价彩超引导下结节粗针穿刺组织学检查的准确性和安全性。

Using Doppler radar data, an algorithm for precipitation nowcast is set up by applying an improved cross-correlation extrapolation method (COTREC).

摘要利用多普勒雷达资料，采用一种改进后的交叉相关法(COTREC)建立一种降水临近预报方法。

Objective To compare the uterogestation of endametrium alteration and uterine arteria blood flow with ectopic pregnancy using color Doppler ultrasonography.

目的彩超对宫内早孕子宫内膜改变和子宫动脉血流测值与异位妊娠进行比较。

Results Color Doppler echocardiography showed that the embryocardia ductus arterious flow had a bright shunt from the pulmonary to descending aorta.

24%的胎生理性三尖瓣返流,肺动脉阻力普遍较高,胎动脉导管血流单向自肺动脉流向降主动脉,显色明亮。

The energy centrobaric method is made use of correcting the Doppler spectrum, the simulation predicted value of the target velocity is obtained.

用能量重校正法对多普勒频移校正，进而得到物体的运动速度的模拟计算值。

The showcase, by running a small train, displays Doppler speed testing, materials detection, noise monitoring, supersonic distance testing, track weighing, and photoreader, etc.

该展台用一个小火车运行来展示多普勒测速、材料探测、噪声检测、超声测距、轨道称重秤、光电计次等等。

Dual light path Laser Doppler Vibrameter System that can meet the out-of-plane vibration measurement for the slope plane and any curved surfaces is first proposed.

首次提出双路激光多普勒系统，它能适应倾斜平面、任意曲面的离面振动测量。

Objective To observe pulsative index (PI), resistant index (RI) of placental helicine arteries by colour Doppler, analyses relation between PI, RI and developing of pregnant hypertension.

目的本研究采用彩色多普勒检测孕妇子宫胎盘床螺旋动脉搏动指数（PI），阻力指数（RI），预测妊高征的发生、发展及预后。

Deep phlebothrombosis was found in 6 of the 10 cases who were performed color Doppler ultrasonography on the lower extremity while valve dysfunction was found in one case.

10例行下肢静脉彩色多普勒超声检查，6例发现深静脉血栓，1例瓣膜功能不全。