次声学

计算机仿真表明，MMLC算法能有效克服窄带主动噪声控制系统次声学路径建模的窄带信号影响，具有较高的建模精度。

Computer simulations confirm that using this novel secondary path modeling technique , the impact of the narrowband signals can be overcome effectively as to attain higher modeling accuracy .

目的观察兔肝脏VX2肿瘤在二次谐波声学造影中的增强效果及动态变化时相。

Objective To assess the dynamic contrast enhancement of hepatic VX 2 tumor using second harmonic imaging .

经静脉二次谐波声学造影诊断肝血管瘤的研究

Diagnostic Investigation of Hepatic Hemangioma by Using Intravenous Second Harmonic Imaging

正常肝脏间歇二次谐波声学造影的初步研究

The primary investigation of intermittent second harmonic contrast imaging in normal liver

二次谐波声学造影诊断先天性肝动脉：门静脉瘘的初步探讨

The initial investigation of second harmonic contrast imaging in diagnosis of congenital intrahepatic arterial-portal fistula

正常兔肝脏二次谐波声学造影剂量与效应关系的声学定量分析

The acoustic densitometry analysis about doses and effects in normal rabbit liver with second harmonic contrast imaging

二次谐波声学造影与多普勒能量图对移植肾血流灌注的对比研究

Comparative study on second harmonic contrast imaging with power Doppler sonography for quantification of the renal allografts microcirculation

目的应用经静脉二次谐波声学造影方法探讨转移性肝癌血供特点。

Objective To investigate the characteristics of blood supply in metastatic liver cancer ( MLC ) with intravenous second harmonic contrast imaging ( ISHCI ) .

目的：探讨经静脉二次谐波声学造影诊断先天性肝动脉-门静脉瘘的可行性。

Objective : To investigate the possibility of intravenous second harmonic contrast imaging ( ISHCI ) in the diagnosis of congenital intrahepatic arterial-portal fistula ( CIAPF ) .

方法23例原发性肝癌行间歇二次谐频声学造影，间歇成像由心电图R波触发，触发间隔为1～2个心动周期。

Methods Twenty three cases of HCC were examined with intermittent second harmonic contrast imaging ( ISHCI ), the intermittent imaging were triggered by R wave of electrocardiogram ( ECG ) in the interval of 1 or 2 cardiac cycles .

超声二次谐波心肌声学造影评价心肌的血流灌注

Detection of Myocardial Perfusion Evaluated by Second Harmonic Myocardial Contrast Echocardiography with Intravenous Injection of Microbubbles

目的探讨间歇二次谐波成像声学造影在肝肿瘤鉴别诊断中的作用。

Objective To investigate the application of intermittent second harmonic contrast imaging ( ISHCI ) to differential diagnosis of liver tumors .

方法对3只健康成年犬经下肢静脉团注0.02ml/kg的脂氟显进行9次实时心脏声学造影。

Methods : Three healthy adult canines underwent real time contrast echocardiography through lower limb via intravenous bolus injection of the contrast agent in a dose of 0.02 ml / kg , Each canine was contrasted three times .

二次谐波触发显像声学造影评价急性心肌缺血的实验研究

Assessment of Acute Myocardial Ischemia Contrast Ultrasonography by Intermittent Harmonic Imaging

该方法第一次结合光学和声学的方法用于荧光粒子的快速检测。（7）首次在微流体芯片上构建基于声波激发的细胞膜光散射检测器件。

This method is firstly proposed to combine acoustic and optical methods for high-speed detection of fluorescent particles . ( 7 ) It the first time to achieve the light scattering detection on the cell membranes caused by surface acoustic waves in microfluidic devices .