分析部分病例声导抗峰压值的结果。
The peak pressure of acoustic immittance in part cases was also considered.
介绍了超声导波检测埋地管道的特点和应用。
Ultrasonic guided wave testing is widely used for the inspection of buried pipelines at present.
声导抗无明显异常。
No abnormality were found in acoustic immittance audiometry.
声导抗测听是近年新开展的一种耳功能检测方法。
Acoustic immittance measurement is a new developed method of ear examining recently.
本文在理论上探讨了地球磁层中哨声导管的物理特征。
The physical characteristics of whistler ducts in Earth's magnetosphere is inquired theoretically.
目的探讨新型超声导管体外消融血栓的可行性和疗效。
Objective To assess the efficacy of new ultrasonic catheter for thrombus dissolution in vitro.
方法对外伤性聋进行客观声导抗测试和主观纯音测试。
Methods to check on objective acoustic impedance and subjective pure tone audiometry.
喷管声导纳的数值计算结果与实验测得的结果非常吻合。
Numerial results of nozzle acoustic admittance is in found to be in good agreement with experiment results.
扭转模态是管道中超声导波的模态之一，可以检测各类缺陷。
Torsional mode is one of the types of ultrasonic guided waves in pipes and it can be used to detect different kinds of defects.
从根本上说，他们认为电阻和晶体管的噪声导致了这种结果。
Fundamentally, they find that the device noise from resistors and transistors creeps into the results.
分析高频纵向轴对称超声导波在全长黏结型锚杆中传播的特性。
Propagation characteristics of high frequency longitudinal axisymmetric modes in full-length-bonding bolt are studied.
从理论上分析高频纵向超声导波在埋于无限大介质中钢杆传播的特性。
Propagation characteristics of longitudinal ultrasonic guided waves of steel rod embedded in infinite medium are studied in theory.
吸声导流锥是利用泡沫塑料作吸声体，降低二次噪声，并有导流作用。
The sound absorption guiding cone is made of foam material, which can reduce the secondary noise and guide the flow.
结论TEOAE对中耳病变的诊断较纯音听阈测试、声导抗测试敏感。
Conclusion TEOAE is more sensitive than audiogram and acoustic immittance in the diagnosis of middle ear disorders.
实践证明采用超声导波技术检测小径管，定位准确，速度快，成本低。
The guided wave transducers are developed and used for NDT of the economizer in fossil plant, which have feature of quick inspection and low cost.
研究了带有粘弹性包覆层管道中超声导波扭转模态的频散及其衰减特性。
Dispersion and attenuation characteristics of torsional modes of ultrasonic guided wave in pipe with viscoelastic coating are investigated.
而沿着纤维方向的超声导波比垂直于纤维方向的超声导波传播速度更快。
However, the velocities of the ultrasonic waves propagating parallel to the fiber direction are faster than those propagating perpendicular to the fiber direction.
本文对超声导波技术应用于工业管道缺陷无损检测进行了理论和实验研究。
In this paper, industry pipeline defects NDT using ultrasonic guided waves was carried out theoretically and experimentally.
目的观察彩色多普勒超声导向肝肾穿刺注射无水酒精治疗肝肾囊肿的疗效。
Objective To observe the therapeutic effect with absolute alcohol treatment on hepatic and renal cyst by percutaneous puncture under the guidance of color Doppler flow imaging (CDFI).
声导抗鼓室图全部正常，45耳镫骨肌反射消失，仅1耳引出且反射阈升高。
The tympanograms are normal. 45 ears lost acoustic reflex. 1 ear increased acoustic reflex threshold.
利用两种能够引导甚低频电磁波的导管模式，求得哨声导管中磁场和电流的分布。
By using two kinds of model of ducts in which the VLF electromagnetic waves are guided, we obtain the distributions of magnetic field and current in the whistler duets.
摘要：简述了计算机控制的超声导波检测技术在管道腐蚀缺陷检测中的重要意义。
Abstract: : Summarize the significance of computer control ultrasonic guided waves technique to the detection of oil pipeline erosion defects.
两种信号处理方法的超声导波应用研究为以后导波信号的处理提供了新的实现依据。
The investigation about application of the two signal processing methods to guided wave inspection signals supplies new realization basis for the signal processing of guided wave inspection.
对超声导波检测技术在天然气集输站场的管道检测中遇到的一些情况进行了分析总结。
All that involved in the paper are analysis and summary of some operation situations of the said pipeline detection with the ultrasonic guided wave process.
利用有限元法(FEM)对板状金属材料中脉冲激光激发的超声导波进行了理论研究。
A theoretical study on ultrasonic guide waves generated by a pulsed laser was presented, using the finite element method (FEM).
利用有限元法(FEM)对板状金属材料中脉冲激光激发的超声导波进行了理论研究。
A theoretical study on ultrasonic guide waves generated by a pulsed laser was presented, using the finite element method (FEM).
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