Objective To develop a computer-assisted multiangular guiding system for interventional ultrasound.

建立应用于介入性超声的计算机辅助多角度穿刺系统。

In the period of ectatic cataract,mature cataract or hypermature cataract,the relevant ratio of ultrasonography is 100%.

膨胀期、成熟期、过熟期超声的检出率可达到100%。

Conclusion It is simp1e and safe to skeletonize die internal mammary artery using the ultrasonic seaiw1.

结论超声刀的应用使乳内动脉的骨骼化采取变得安全、简单。

By isualization the phased array pulse with a strobed photoelastic system the real picture can be seen.

使相控阵脉冲和光弹系统同步，而可以看到超声脉冲传播的真实照片。

53 patients with SHP were examined by ultrasond and compared with the ultrasounogram of parathyroidal hyperplasia,nodosity thyroncus andlymphadenectasis.

比较继发与结节性状腺肿、肿大淋巴结的超声图像。

The mantid ear -- a single slit -- is sensitive to the ultrasonic "pings" emitted by hunting bats.

螳螂的耳朵只有一条裂缝，对于蝙蝠发出的超声波非敏感。

Objective: To evaluate the value of ultrasonograph in trauma of the scrotum with high trequency ultrasound.

应用高频超声评价阴囊及内容物外伤的超声表现。

The experimental results of low temperature ablator (beeswax and camphor) tests in the hypersonic wind Tunnel are presented in this paper.

本文给出了低温材料的高超声速风实验研究的结果。

Applies the algorithm defined by JPEG standard to digital compression of ultrasonic televiewer images according to the features of logging image.

根据测井图象的特点，将JPEG标准算法用于超声电视测井图象的压缩，取得了良好效果。

The CV values of the cathodal foils after electrochemical dip-coating and after ultrasonic dip-coating are similar to that after dip-coating stilly.

电化学浸胶中阴极箔和超声浸胶的CV值与静置浸胶相差2％之内。

Methods The size,echo intensity on 2-DUS and blood flow on CDFI in sternocleidomastoid mascle(SCM) masses in 46 infants were examined,measured and analysed.

方法总结分析46例胸锁乳突肌(SCM)肿块的超声检查资料,分析其大小、内部回声及多普勒血流信号。

It is greatly senseful to study nonlinear phenomenon of transducer for understanding the active state of transducer exactly and increasing the acoustic-electric index.

本文以实验研究为主，对大功率压电超声换能器的非线性进行了初步研究，以期对实际生产应用提供有益帮助。

One of the 3 athletes agreed to detrain for 12 weeks, which showed resolution of electrocardiography and echocardiographic changes confirming physiologic left ventricular hypertrophy.

这3名运动员中的一人同意停止训练12周后,心电图和超声心动图的改变即慢慢消失,这证实了是生理性的左心室肥厚.

Objective To study the effect of Amrinone on hemodynamics,blood gas analysis and respiratory function in patients with pulmonary hypertension of chronic obstructive pulmonary disease(COPD).

目的研究氨力农对COPD患者肺动脉高压时血流动力学、血气分析和肺功能的作用。方法测定COPD患者肺动脉高压时静滴氨力农治疗前后的超声心动图、血气分析和肺功能的作用。

Conculsion The level of the abnormal MBF reserve in stenosed coronary artery may be the mainly physiopathologic basis of dipyridamole stress echocardiography in detecting coronary stenosis.

结论狭窄冠脉MBF储备的异程度可能是双嘧达莫负荷超声评价冠脉狭窄的主要病理生理基础。

Conclusion:NTHI is a new technology in ultrasound diagnosis which can enhance tissue resolution,improving sonograph quality by reducing artifact and cultter,thereby it is useful to increase ultraso...

自然组织谐波技术是一项新的超声诊断技术,它可以提高组织的分辨能力,减少干扰及伪像,改善图像质量,从而提高诊断水平。