3) conventional ultrasound
常规超声
1.
Methods: analysis the characteristic of conventional ultrasound and elastosonography in 42 patients(63 nodules), tissue elasticity was scored from one (greatest elastic strain) to five (no strain) in elastosonography, perform an analysis according to the histological results.
方法分析42例病人(63个结节)的常规超声及超声弹性成像表现,将弹性图分为1-5级,参照病理结果进行分析。
2.
Objective To explore the value of contrast-enhanced ultrasonography(CEUS) with SonoVue in the diagnosis of residual trophoblastic tissue as compared with conventional ultrasound(CUS).
目的与常规超声比较,探讨超声造影对宫内组织物残留的诊断价值。
4) abnormal noise
异常声响
1.
After putting into operation, abnormal noise is existing in varying degrees, and fracture phenomena of bolts on the jointed face of big toothed wheel have frequently occurred.
洛阳石化总厂热电站配有4台MG 290/470钢球磨煤机,投入运行后,不同程度地存在异常声响,并多次出现了大牙轮合口螺栓断裂现象。
5) abnormal noise
异常噪声
1.
The impact of abnormal noises to prestack mutichannel processing;
异常噪声对叠前多道处理效果的影响
2.
The work principle and abnormal noise test method of hind vehicle hydraulic shock absorber are analyzed, Based on experiment data and signal character analyse ,a test method is found to distinguish the abnormal noise of rear hydraulic shock absorber.
对车辆液力双筒减振器的工作原理和异常噪声检测方法进行了分析,在大量试验数据和信号特征分析的基础上,提出了液力双筒减振器异常噪声的时域波形衰减量鉴别方法,经对大量的车辆液力双筒后减振器异常噪声的实际验证,鉴别成功率达到98。
3.
The abnormal noise of air conditioner has serious negative influence on the acoustic environment of consumers.
通过频谱分析中的CPB和FFT分析方法,确定空调室内机异常噪声的来源和频谱特性与压缩机相关,再通过声强分析,对近场噪声源进行准确定位,测定室内异常噪声源分布,在室内机面板蒸发器表面,特别是铜管弯曲处。
6) abnormal voice
异常响声
补充资料：超声
超声
UltrasofliCS
是指超出人耳听力范围的高频声(频率超过20000Hz）。超声具有与一般声音共同的物理性质，还具有一些其他重要的物理特性，如能够成束发射，直线传导，方向性好。传导过程中遇有声阻抗不同的反射界面时产生反射、折射、聚焦和散焦等现象。用于临床诊断的超声频率一般为2～7.5MHz。频率越高，对组织结构的分辨力越强，但远场声能容易被组织吸收、衰减，不易穿透较深的层次。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条