منابع مشابه
Ultrasonic diagnosis of urethral diverticulum.
A urethral diverticulum was diagnosed on pelvic ultrasonography. Its ultrasonic features and differential diagnosis are discussed. An awareness of the ultrasonic appearance should result in more frequent recognition of this lesion.
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This study was undertaken to establish a method for diagnosing pericardial effusions quickly, simply, and accurately without danger to the patient. Ultrasound examination that was used in this study employed the B mode (cross-sectional representation) in which the vertical deflections of the A scan are turned on end and make a line of dots on the cathode ray tube. These, at the appropriate time...
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We present here a new ultrasonic diagnosis technique in natural, porous rocks. This method, based on the ultrasonic velocity changes, allows us to measure the transient spacial distribution of two liquids (water and oil) in a sandstone.
متن کاملModel-based Diagnosis for Sandwiched Ultrasonic Transducers
The overall performance of sandwiched ultrasonic transducers can be substantially degraded due to defects. Model-based diagnosis can be an attractive technique for monitoring the performance of sandwiched ultrasonic transducers. Using electromechanical models of the transducer, most parameters of the system can be determined based on measurements of electrical input quantities only. This contri...
متن کاملAntenatal diagnosis of fetal duodenal atresia by ultrasonic scan.
immunosuppressive treatment allowed such an infection to become disseminated. From the start of her illness the patient was thought to have contracted an infection from one of her cats. She admitted to close contact with them and her previous ringworm was further evidence of this. But the puzzling fact remains that Sooty's antibody profile was suggestive of a subgroup A infection while the pati...
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ژورنال
عنوان ژورنال: Journal of the Japan Society for Precision Engineering
سال: 1987
ISSN: 1882-675X,0912-0289
DOI: 10.2493/jjspe.53.522