Results 231 to 240 of about 3,974,952 (312)

Ultrasonic investigation of strongly weathered mudstone subjected to coupled drying-wetting cycles and vibration loading. [PDF]

PLoS One
Zhang L, Bai H, Cui H, Zhang S, Li Y, Liu C, Xu P.   +6 more
europepmc   +1 more source

Special issue on ultrasonic instrumentation. Ultrasonic transducer.

Journal of The Society of Instrument and Control Engineers, 1989
openaire   +1 more source

Comparative evaluation of irrigant activation devices for removal of calcium hydroxide from artificial isthmuses connecting curved canals in 3D-printed resin molar models. [PDF]

BMC Oral Health
Cagay Sevencan G, Akça S.
europepmc   +1 more source

The Digital Ultrasonic Instrument [PDF]

, 1983
In order to provide a capability for performing advanced signal processing on ultrasonic and acoustic emission signals at speeds that are sufficient for practical applications, a high speed Digital Ultrasonic Instrument (DUI) has been developed. The DUI performs its processing entirely digitally and therefore can do the phase- and frequency-sensitive ...
R. Elsley
semanticscholar   +5 more sources

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Ultrasonic Logging Instrument for Shaft Sinking by Drilling

Measurement: Journal of the International Measurement Confederation, 2019
Shaft sinking by drilling is widely used in mining, construction and coal industry. Measuring the shaft borehole accurately, is of great importance to the quality in these projects among other factors.
Maoyong Cao
exaly   +2 more sources

Ultrasonic Instrument for Measuring Bolt Stress

Ultrasonics, 1984
S G Joshi
exaly   +2 more sources

Comparison of Post Space Volume Changes Following Fiber Post Removal Using Er,Cr:YSGG Laser Vs. Ultrasonic Instrument.

Journal of Prosthodontics, 2021
PURPOSE The purpose of this in vitro study was to compare the post space volume changes following removal of glass fiber posts in endodontically treated teeth by using erbium, chromium:yttrium-scandium-gallium-garnet (Er,Cr:YSGG) laser to the ...
Juyeon Cho, J. Liu, Esraa Bukhari, Feng-Yuan Zheng, Do-Gyoon Kim, Damian J. Lee   +5 more
semanticscholar   +1 more source

Development of a Ultrasonic Instrument for the Sealed Container's Liquid Level Measurement

World Congress on Intelligent Control and Automation, 2006
Lei Chen, X. Dong, Jie Han, Ping Ye
exaly   +2 more sources

Disinfection and shaping of Vertucci class II root canals after preparation with two instrument systems and supplementary ultrasonic activation of sodium hypochlorite.

Journal of Endodontics, 2023
INTRODUCTION This study compared disinfection and shaping after root canal preparation with either XP-endo Shaper or TruNatomy instrument systems, supplemented by ultrasonic activation of sodium hypochlorite (NaOCl) with either stainless-steel (SS) or ...
Simone C. Loyola-Fonseca, A. Campello, R. Rodrigues, Flávio Rodrigues Ferreira Alves, Sabrina C. Brasil, C. Vilela, L. S. Gonçalves, J. Provenzano, J. F. Siqueira, I. N. Rôças   +9 more
semanticscholar   +1 more source

Comparison of three irrigation methods: SWEEPS, Ultrasonic, and Traditional irrigation, in smear layer and debris removal abilities in the root canal, beyond the fractured instrument.

Photodiagnosis and Photodynamic Therapy, 2021
BACKGROUND This study compared the effectiveness of three irrigation methods in removing smear layer and debris in the presence of the fractured instrument.
M. Vatanpour, S. Toursavadkouhi, S. Sajjad   +2 more
semanticscholar   +1 more source