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- Doppler ultrasonic measurement 多普勒超声测量
- Methods 28 cases suffered of portal vein disease under color Doppler ultrasonic examination and portography. 方法将28例门静脉疾病患者行彩色多普勒超声检查并行手术及造影证实。
- Conclusion: Doppler ultrasonic can be used in latent period as a screen test to predic the fetus distress. 两组比较,宫缩期及间歇期各项指标有差别,为诊断胎儿窘迫的筛选方法。
- Objective:To evaluate the character of Color Doppler ultrasonic of senile degenarative heart valvular desease. 目的探讨老年退行性心脏瓣膜病的彩色多普勒超声特征。
- To evaluate the character of Color Doppler ultrasonic of senile degenarative heart valvular desease. 目的探讨老年退行性心脏瓣膜病的彩色多普勒超声特征。
- A system design for ultrasonic measurement of high-rangeability tube caliber and gas flow is introduced. 摘要研究了一种针对管径和流量变化范围大的气体的超声流量测量系统的设计。
- Method We examined the suspicious cases with color doppler ultrasonic cardiogram(CFM),and compared with the results of autopsies. 方法对可疑病例予彩色多普勒超声心动图(CFM)检查,死亡病例尸解。
- Objecctive To study the diagnostic value of ultrasonic image and color Doppler ultrasonic examination used in ec-topic debouch of ureteral orifice. 目的探讨超声显像和彩色多普勒技术在输尿管异位开口中的诊断价值。
- The parameters such as obstetric conjugata,BPD and clavicula had no significant difference between ultrasonic measurement and actual measurement. 骨盆入口前后径、胎儿双顶径、单侧锁骨长等参数的超声测值与实际测值有良好的临床符合性;
- Conclusion: Doppler ultrasonic technique can be used to observe the injury and reparation of rat carotid artery after de-endothelialization. 结论:超声指标能够无创动态观察大鼠颈总动脉损伤及修复过程。
- Objectives:To study the change of cerebral haemodynamic of patients with hypertension by transcranial Doppler ultrasonic technique. 目的:利用经颅多普勒超声技术研究高血压病脑血液动力学的变化。
- For example, reaction electric potential measurement, microwave measurement, capacitance measurement, ultrasonic measurement, laser measurement, etc. 比如感应电势法、微波法、电容法、超声法、激光法等等。
- It is a general method to apply the correlation technique to dealing with the signal data acquired in the ultrasonic measurement system. 在超声波测量系统中,利用相关技术来处理采集所得数据信号是一种非常普遍的方法。
- MethodTo adopt the color Doppler ultrasonic wave the conduct the contrast normal pregnant women and PIH women of post-pregnancy 30 cases respectively. 方法运用彩色多普勒超声对正常妇女、正常孕妇和妊高征患者三组各30例的胫后动脉血流指数改变的对照研究。
- Objective:To evaluate the significance of high-frequency color Doppler ultrason ography in diagnosis of the salivary gland neoplasm. 目的:探讨高频彩色多普勒超声对涎腺肿瘤的诊断价值。
- Method: Copper needle was placed into the tumor tissue under the guide of colored Doppler ultrasonic angiograph with a probe of 70MHZ. 方法:在探头频率为70MHZ彩色多普勒超声引导下留置铜针于瘤体内。
- Results The parameters such as obstetric conjugata,BPD and clavicula had no significant difference between ultrasonic measurement and actual measurement. 结果骨盆入口前后径、胎儿双顶径、单侧锁骨长等参数的超声测值与实际测值有良好的临床符合性;
- To develop new technique in ultrasonic measurement, the experiment setup in this thesis is to use ultrasound pulser instrument for generating pulse waves to excite the transducer. 为了在超音波量测中发展一些新的技术,本论文中采用的实验设备是使用超音波产生机产生脉波讯号来驱动超音波探头。
- Objective:To observe and compare the outcomes of hypertension of all stages by transcranial Doppler ultrasonic examination(TCD),electroencephalography(EEG) and skull CT (CT). 目的:观察高血压各期经颅多普勒(TCD)改变,并与脑电图(EEG)、头颅CT进行对比研究。
- To satisfy the actual need for monitoring the pantograph slipper s abrasion,a test equipment based on ultrasonic measurement and TMS320LF2407A DSP chip is proposed. 针对受电弓滑板磨耗现场监测的需要,提出一种基于超声波测量及TMS320LF2407A型DSP芯片的试验装置,并讨论了该装置的工作原理,给出了其硬件系统及软件系统的设计。