Results 11 to 20 of about 837,361 (340)
Piezoelectric microphone via a digital light processing 3D printing process
Materials & Design, 2019 In nature sensors possess complex interlocking 3D structures and extremely localized material properties that allow processing of incredibly complex information in a small space.
Benjamin Tiller +6 more
doaj +1 more source
Development of an ultrasonic resonator for ballast water disinfection [PDF]
, 2016 Ultrasonic disinfection involves the application of low-frequency acoustic energy in a water body to induce cavitation. The implosion of cavitation bubbles generates high speed microjets >1 km/s, intense shock wave >1 GPa, localized hot spots > ...
Balasubramaniam, Prakash +3 more
core +1 more source
A local defect resonance for linear and nonlinear ultrasonic thermography [PDF]
, 2014 An efficient wave-defect interaction is the key to a high thermal response of flaws in ultrasonic thermography. To selectively enhance defect vibrations a concept of local defect resonance is developed and applied to ultrasonic activation of defects ...
Solodov, I., Rahammer, M., Busse, G.
core +1 more source
On the Security of Ultrasound as Out-of-band Channel [PDF]
, 2007 Ultrasound has been proposed as out-of-band channel for authentication of peer devices in wireless ad hoc networks. Ultrasound can implicitly contribute to secure communication based on inherent limitations in signal propagation, and can additionally be ...
Gellersen, Hans, Mayrhofer, Rene
core +1 more source
Design and implementation of an ultrasonic sensor for rapid monitoring of industrial malolactic fermentation of wines [PDF]
, 2017 Ultrasound is an emerging technology that can be applied to monitor food processes. However, ultrasonic techniques are usually limited to research activities within a laboratory environment and they are not extensively used in industrial processes.
Amer Boixareu, Miguel Ángel +6 more
core +2 more sources
Indian Journal of Radiology and Imaging, 2017 Here, we report a fetus with a rare aortic arch anomaly with left aortic arch and right ductus arteriosus, which has not been reported so far. In this condition, the aorta extends to the left of the trachea as in normal, while the ductus arteriosus ...
S Boopathy Vijayaraghavan +2 more
doaj +1 more source
Sensors, 2020 In this paper, the perspectives of using the features of acoustic wave propagation to design rotation rate sensors (RRS) are discussed. The possibility of developing the solid-state sensitive elements (SE) of RRS on acoustic waves of circular ...
Michail Shevelko +5 more
doaj +1 more source
Technology in Cancer Research & Treatment, 2021 Background: Long noncoding RNAs have been demonstrated to play important roles in different kinds of human malignancy. The purpose of this study was to evaluate the diagnostic and prognostic value of long intergenic non-protein coding RNA 1232 (LINC01232)
Wenyan Du MM +4 more
doaj +1 more source
Laser Ultrasound Inspection Based on Wavelet Transform and Data Clustering for Defect Estimation in Metallic Samples [PDF]
, 2019 Laser-generated ultrasound is a modern non-destructive testing technique. It has been investigated over recent years as an alternative to classical ultrasonic methods, mainly in industrial maintenance and quality control procedures.
Cojocaru, Crina +4 more
core +2 more sources
The application of ultrasonic NDT techniques in tribology [PDF]
, 2005 The use of ultrasonic reflection is emerging as a technique for studying tribological contacts. Ultrasonic waves can be transmitted non-destructively through machine components and their behaviour at an interface describes the characteristics of that ...
Anderson W. +12 more
core +1 more source