Results 321 to 330 of about 589,315 (370)
Some of the next articles are maybe not open access.
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
openaire +4 more sources
Three-dimensional imaging of biological cells with picosecond ultrasonics
, 2015We use picosecond ultrasonics to image animal cells in vitro—a bovine aortic endothelial cell and a mouse adipose cell—fixed to Ti-coated sapphire.
S. Danworaphong +9 more
semanticscholar +1 more source
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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Retreatodontics and ultrasonics
Journal of Endodontics, 1988Retreatment of endodontically failing teeth is commonin most endodontic practices today. Two case reports are presented in which ultrasonics was used for retreatment. It is suggested that ultrasound can ease and, to some extent, simplify retreatment of some endodontic failures.
David E. Stamos +2 more
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Ultrasonics without a source: thermal fluctuation correlations at MHz frequencies.
Physical Review Letters, 2001Noise generated in an ultrasonic receiver circuit consisting of transducer and amplifier is usually ignored, or treated as a nuisance. Here it is argued that acoustic thermal fluctuations, with displacement amplitudes of 3 fm, contain substantial ...
R. Weaver, O. Lobkis
semanticscholar +1 more source
, 2013
The picosecond ultrasonics technique is used to investigate the viscoelastic properties of nucleus of fixed single osteoblast progenitor cells adhering on a titanium alloy substrate.
M. Ducousso +6 more
semanticscholar +1 more source
The picosecond ultrasonics technique is used to investigate the viscoelastic properties of nucleus of fixed single osteoblast progenitor cells adhering on a titanium alloy substrate.
M. Ducousso +6 more
semanticscholar +1 more source
, 2013
The power of ultrasonic vibrations has been harnessed in the field of dentistry—evolving in its use and purpose—for just over 60 years. The first section of this review describes the evolution and various applications of ultrasound in dentistry, and ...
E. Park
semanticscholar +1 more source
The power of ultrasonic vibrations has been harnessed in the field of dentistry—evolving in its use and purpose—for just over 60 years. The first section of this review describes the evolution and various applications of ultrasound in dentistry, and ...
E. Park
semanticscholar +1 more source
Ultrasonic probe and ultrasonic diagnosing system using ultrasonic probe
The Journal of the Acoustical Society of America, 1995An ultrasonic diagnosing system includes a probe having an vibrator made of a plurality of spaced piezoelectric; material elements arranged in a matrix, first electrodes arranged on one surface of the vibrator in an array of rows parallel to each other, and second electrodes arranged on another surface of the vibrator in an array of rows parallel to ...
Shiroh Saitoh +2 more
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Ultrasonic probe, ultrasonic imaging apparatus and ultrasonic imaging method
The Journal of the Acoustical Society of America, 2007An ultrasonic probe is disclosed for reducing the influence of electromagnetic wave leakage to a magnetic resonance imaging (MRI) device even when the probe is inside the MRI gantry. The ultrasonic probe includes a piezoelectric material, an acoustic matching layer provided on the ultrasonic radiation side of the piezoelectric material, and backing ...
Takashi Azuma, Shin-ichiro Umemura
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, 2007
The paper describes a new method 1 for determining the velocity vector of a remotely sensed object using either sound or electromagnetic radiat ion.
J. Jensen, P. Munk
semanticscholar +1 more source
The paper describes a new method 1 for determining the velocity vector of a remotely sensed object using either sound or electromagnetic radiat ion.
J. Jensen, P. Munk
semanticscholar +1 more source