| 1. | Ultrasonic sounds are such as are inaudible to the human ear
超声的声音是人类的耳朵听不到的那种声音。 |
| 2. | Detection of imaging difference in different tissues with sonoluminescence of focusing ultrasound
利用聚焦超声的声致发光技术检测不同组织的成像差异 |
| 3. | Principle and testing method of laser - generated ultrasonic and its applications are introduced
介绍了激光超声的机理、光激超声波信号的检测方法及其应用。 |
| 4. | Measurement and characterisation of ultrasonic fields using hydrophones in the frequency range 0 , 5 mhz to 15 mhz ; amendment 1
使用0 . 5 - 15mh水听器对超声的测量和表征.修改件1 |
| 5. | " this new technique reflects the new prominent role of bedside ultrasound in emergency medicine , " he added
研究人员称“这一技术反映了床旁超声的另一个较大的临床应用价值” 。 |
| 6. | The theory of the optical heterodyne measurement system is expounded and the principle and merit of ultrasound pulse generated by a laser pulse are analyzed
对光外差系统的测量原理进行了说明,分析了由激光脉冲激励超声的原理和优点。 |
| 7. | The sonographic findings are nonspecific and include a well - circumscribed hypoechoic , heterogeneous lesion with substantial color doppler arterial flow
超声的表现是非特异性的，包括病变边界清晰、低回声、不均质，彩色多普勒显示确实存在动脉血流。 |
| 8. | A case series of pancreatic and renal masses is presented to illustrate the usefulness of contrast - enhanced ultrasound with sonovue in the visualization of these lesions
我们讲举一系列应用声诺维后病灶清晰可见的胰腺和肾脏肿瘤的病例来说明比增强超声的实用性。 |
| 9. | Firstly , this paper introduces the principles of laser ultrasonic generation , thermoelastic excitation theory and the ablation excitation theory . besides , it briefly presents the other excitation theories in solids
本文首先阐述了激光超声的热弹激发机理和烧蚀激发机理，并分析和比较了激光超声各种波形的特点。 |
| 10. | And the field emission measurement was carried out at a pressure of 10 - 4pa . diamond powders coated with sliver are deposited on ito glass using electrophoresis coating method , through a solution of powders in isopropyl alcohol
利用葡萄糖的还原性将银盐中的银还原出来,在超声的条件下,还原出的银将包覆在分散于溶液中的金刚石颗粒上。 |
