用于确定管道粗糙度的方法和超声仪系统。
A method and ultrasonic meter system for determining pipe roughness.
方法：用不同功率和频率的超声仪提取及加热回流提取样品液。
Method: Sample solution were extracted by ultrasonic in different power and frequency and by reflux.
所述超声仪构造成，基于在第一对换能器之间传输的声信号来确定诊断数据。
The ultrasonic meter is configured to determine diagnostic data based on acoustic signals transmitted between the first transducer pair.
如果使用在重症监护室和综合剧院通常都配备的便携式超声仪，可能更有帮助。
This may be facilitated by the greater availability of limited bedside echocardiography within critical care units and theatre complexes.
目的：观察联合应用镍钛根扩仪和根管超声仪在治疗后磨牙弯曲根管的临床效果。
Objective: To observe the clinical effect of endodontic treatment on curved root canal of molar with Niti rotary instrument enlargement and ultrasonic root canal irrigation.
通过RS-232C实现PC机和单片机的串口通信，进而实现了控制器对超声仪的控制功能。
PC and MCU communicates through serial port RS-232C, and more the control to ultrasound instrument is accomplished.
方法采用彩色多普勒腹腔镜超声仪对80例胆囊结石患者行l C术中实时肝外胆道系统扫描。
Methods 80 patients with gallstone receiving LC had real - time color Doppler LUS of the extrahepatic biliary system.
应用经食管彩色多普勒超声仪研究49例心内直视术期间左肾动脉（LRA）的血流动力学变化。
The left arteriorenal(LRA) hemodynamics changes in 49 cases during intracardiac operation under direct vision were studied by transesophageal color Doppler imaging.
方法采用超声仪检测3 6例胆囊切除术后患者的肝内外胆管， 测量胆管内径，观察管腔内回声。
Methods The ultrasonic features of 36 cases with biliary duct disease post Cholecystectomy were analysed. The biliary duct diameter and the echo characteristics inside duct were examined.
使用美国HP5500型超声仪，由同一技术人员操作，测量肝门静脉、脾静脉内径及平均血流速度。
American HP5500 ultrasound instrument was used to determine the diameters and average velocities of portal vein and splenic vein.
方法：应用彩色多普勒超声仪，检测ESWL治疗60例单侧肾结石病人过程中结石旁小血管阻力指数。
Methods: the intrarenal vascular resistance index in 60 patients was measured with Doppler ultrasound techniques before and after ESWL in the treated and contralateral kidneys.
方法对30例因高危因素就诊的孕妇，利用三维超声仪对孕中期胎儿进行三维超声检查，并随访产后结果。
Methods to check 30 cases due to risk factors among pregnant women attending, use the three-dimensional ultrasound to check the mid-pregnancy fetal, And post-natal follow-up results.
首先从超声探头技术、超声诊断系统与超声治疗仪三个方面介绍了近年来医学超声仪器中的新技术与新方法。
Recent advances in medical ultrasonic instrumentation are introduced in this review, including the progresses in transducer, diagnostic and therapeutic applications.
方法：采用超声仪探查23例患儿病变区的位置、大小形态和内部回声情况，并将结果与手术及病理发现相比较。
Methods 23 cases were examined by ultrasound to assess the location, extension and internal echo structure of the lesion. The results of ultrasonography were compared with those of surgery findings.
目的探讨应用高分辨率、高灵敏度彩色多普勒超声仪探测胆囊动脉对慢性非结石性胆囊炎诊断及鉴别诊断的可行性及其意义。
Objective To survey the diagnostic feasibility and significance of the Color Dopple Ultrasonography with high definition and high sensitivity in chronic acalculous cholecystitis.
在VUTS界面上，鼠标即超声仪按钮和探头，具有强大的交互性和可视化，为直接在计算机上培训超声检测人员提供了手段。
On the interface of VUTS, mouse served as ut instrument button and probe, its powerful interaction and visualization provided direct training and evaluation on computer for ut personnel.
方法应用实时三维超声仪对10164例孕妇、共10236个胎儿面部行二维和实时三维超声检查，统计并比较超声诊断与产后诊断的符合率。
Methods:Totally 10164 subjects, including 10236 fetuses were scanned on faces with 2-D and real-time 3-D ultrasonic image in our study.
方法应用实时三维超声仪对10164例孕妇、共10236个胎儿面部行二维和实时三维超声检查，统计并比较超声诊断与产后诊断的符合率。
Methods:Totally 10164 subjects, including 10236 fetuses were scanned on faces with 2-D and real-time 3-D ultrasonic image in our study.
应用推荐