Results 201 to 210 of about 20,262 (266)
On demand controlling of cavitation bubble collapse and jet formation through a free and rigid boundary arrangement. [PDF]
Ultrason SonochemSun Y, Fan Y, Yao Z, Wang F, Ohl CD.
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Obstetrical & Gynecological Survey, 1972
In recent years a high accuracy in measuring the biparietal diameter by ultrasonography has been achieved. As this is only one parameter in forecasting cephalo‐pelvic disproportion a study was made to determine whether the true conjugate can be measured by utrasound with approximately the same reliability as the biparietal diameter.
A, Kratochwil, N, Zeibekis
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In recent years a high accuracy in measuring the biparietal diameter by ultrasonography has been achieved. As this is only one parameter in forecasting cephalo‐pelvic disproportion a study was made to determine whether the true conjugate can be measured by utrasound with approximately the same reliability as the biparietal diameter.
A, Kratochwil, N, Zeibekis
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Ultrasonic Tomography by Means of an Ultrasonic Fiberendoscope
Endoscopy, 1980The diagnositc value of ultrasonic tomography of the upper abdominal organs is sometimes limited by bones and gas. Endoscopic ultrasonography (EUST) combines the advantages of the direct visualization of the upper GI tube and the ultrasonic imaging of adjacent organs.
W D, Strohm +3 more
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Aesthetic Plastic Surgery, 1992
The author describes a revolutionary body contouring technique based on the surgical use of ultrasonic energy. It allows the selective destruction of only excess adipose tissue. The technique is based on three fundamental steps: (1) preparation of the areas to be treated with a large infiltration of a special solution, (2) treatment of the areas with ...
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The author describes a revolutionary body contouring technique based on the surgical use of ultrasonic energy. It allows the selective destruction of only excess adipose tissue. The technique is based on three fundamental steps: (1) preparation of the areas to be treated with a large infiltration of a special solution, (2) treatment of the areas with ...
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Australian Dental Journal, 1974
Abstract— A review of the uses and limitations of ultrasonic scaling is presented. Two instruments are described and procedures to be followed in the use of the method are given.
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Abstract— A review of the uses and limitations of ultrasonic scaling is presented. Two instruments are described and procedures to be followed in the use of the method are given.
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Electronics and Power, 1963
Ultrasonics has been used in medicine for about a decade. Progress in the subject is reviewed and discussed, particular stress being laid on physical aspects. The physics of ultrasonic fields, and their production and measurement, are briefly described. The main part of the review gives a critical description of the use of high intensity ultrasound for
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Ultrasonics has been used in medicine for about a decade. Progress in the subject is reviewed and discussed, particular stress being laid on physical aspects. The physics of ultrasonic fields, and their production and measurement, are briefly described. The main part of the review gives a critical description of the use of high intensity ultrasound for
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The Journal of Prosthetic Dentistry, 1956
PPROXIMATELY ONE HUNDRED YEARS ago, it was learned that certain crystal A elements contracted in a magnetic field. Shortly thereafter a similar property was discovered in certain metals which, if rod-shaped, contracted in the direction of their long axes.
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PPROXIMATELY ONE HUNDRED YEARS ago, it was learned that certain crystal A elements contracted in a magnetic field. Shortly thereafter a similar property was discovered in certain metals which, if rod-shaped, contracted in the direction of their long axes.
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Journal of Neural Engineering, 2016
Ultrasonic waves can be non-invasively steered and focused into mm-scale regions across the human body and brain, and their application in generating controlled artificial modulation of neuronal activity could therefore potentially have profound implications for neural science and engineering.
Omer, Naor, Steve, Krupa, Shy, Shoham
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Ultrasonic waves can be non-invasively steered and focused into mm-scale regions across the human body and brain, and their application in generating controlled artificial modulation of neuronal activity could therefore potentially have profound implications for neural science and engineering.
Omer, Naor, Steve, Krupa, Shy, Shoham
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The Journal of the Acoustical Society of America, 2012
A ultrasonic transducer of the invention comprises: a transducer cell including a first electrode and a second electrode disposed separated from the first electrode by an air gap portion; and an electret for applying a potential difference between the first electrode and the second electrode.
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A ultrasonic transducer of the invention comprises: a transducer cell including a first electrode and a second electrode disposed separated from the first electrode by an air gap portion; and an electret for applying a potential difference between the first electrode and the second electrode.
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