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- 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。
- 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;
- 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。
- 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。
- 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。
- The discrimination of sugar type through acoustic parameter and density was also compared, and it was found that ultrasonic measurement was better for sugar type discrim... 探讨了声特性与糖分子结构以及糖分子与水分子的水合作用与超声参量之间的关系,表明超声参量可用于对糖溶液物化特性的研究。
- Methods Study of relationship between ultrasonic measurement of fetal biparietal diameter (BPD),femur length (FL),ante-posterior trunk diameter (APTD) and transversal trunk diameter (TTD) and neonatal birthweight in 945 cases. 方法应用B型超声对919例孕妇的945例胎儿进行双顶径、股骨长、躯干前后径和横径测量,并根据其指标计算出所估计体重。
- Methods: (1) Study the relationship between ultrasonic measurement of the fetal biparietal diameter (BPD), head circumference (HC), femur length(FL), abdominal circumference(AC) and neonatal birth weight in 280 cases. 方法 :( 1)应用B超对 2 80例胎儿的双顶径 (BPD)、头围 (HC)、股骨长 (FL)以及腹围 (AC)进行测量 ,并与新生儿实际出生体重进行相关分析 ,经回归分析得出预测胎儿体重新的方程式 ;
- B-mode ultrasonic measurements of BPD and cervicosacral diameter(CSD)for l000 fetal cas-es were analysed. 本文分析1000例正常胎儿双顶径（BPD）和脊柱颈骶径（CSD）的B型超声测值。
- Principles of Ultrasonic Measurement 超声波检测原理
- ultrasonic measurement of fetal biparietal diameter 超声波测量胎头双顶径
- Ultrasonic measurement of distance 超声波测距
- The doctors gave him an ultrasonic brain scan. 医生给他做了脑部超声波扫描检查。
- Ultrasonic Measurement of Acoustics 声学超声测量
- Methods: (1) Study of the relationship between ultrasonic measurements of fetal biparietal diameter (BPD), cerebellar diameter (CD), femur length (FL) and abdominal circumference (AC) and neonatal birthweight in 300 cases. 方法：（1）应用B型超声对300例胎儿的腹围、小脑横径、双顶径、股骨长进行测量，并与新生儿出生体重的关系进行分析。 经单元线性回归得出腹围预测胎儿体重的单元方程式。
- High-Rangeability Ultrasonic Measurement of Gas Flow 宽量程的气体超声测量
- Scientific measurement of the head. 头测量学，头测量学，测颅学头颅的科学测量
- Measurement of the depth of large bodies of water. 海洋测深学，海洋测深术测量大水域的深度
