Search Results - "Gan, T H"
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1
Identification of failure modes in glass/polypropylene composites by means of the primary frequency content of the acoustic emission event
Published in Composites science and technology (01-09-2004)“…Tensile test were carried out on glass/polypropylene specimens made in-home, and acoustic emissions were recorded from these tests. Fibre orientation of each…”
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2
Vestas V90-3MW Wind Turbine Gearbox Health Assessment Using a Vibration-Based Condition Monitoring System
Published in Shock and vibration (01-01-2016)“…Reliable monitoring for the early fault diagnosis of gearbox faults is of great concern for the wind industry. This paper presents a novel approach for health…”
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3
Air-coupled ultrasonic evaluation of food materials
Published in Ultrasonics (01-02-2009)“…This research was performed with the aim of detecting foreign bodies and additives within food products, and to measure selected acoustic properties, without…”
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4
Ghrelin improves burn-induced delayed gastrointestinal transit in rats
Published in American journal of physiology. Regulatory, integrative and comparative physiology (01-01-2007)“…Delayed gastrointestinal transit is common in patients with severe burn. Ghrelin is a potent prokinetic peptide. We aimed at testing the effect of ghrelin on…”
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5
The use of broadband acoustic transducers and pulse-compression techniques for air-coupled ultrasonic imaging
Published in Ultrasonics (01-04-2001)“…A pulse-compression technique has been applied to air-coupled testing of solid materials. Capacitance transducers were used to generate wide bandwidth…”
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6
Hybrid active focusing with adaptive dispersion for higher defect sensitivity in guided wave inspection of cylindrical structures
Published in Nondestructive testing and evaluation (02-07-2016)“…Ultrasonic guided wave inspection is widely used for scanning prismatic structures such as pipes for metal loss. Recent research has investigated focusing the…”
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7
Near-Infrared (NIR) Technique for Imaging Food Materials
Published in Journal of food science (2009)“…The results of imaging experiments in food materials are presented, using near-infrared wavelengths. The technique uses a modulated source and a lock-in…”
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8
Noncontact ultrasonic diagnostics in concrete: A preliminary investigation
Published in Cement and concrete research (01-07-2004)“…The use of ultrasonics is well-established in concrete diagnostics. Most current systems use narrow-bandwidth piezoelectric transducers, which must be in…”
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9
High-resolution, air-coupled ultrasonic imaging of thin materials
Published in IEEE transactions on ultrasonics, ferroelectrics, and frequency control (01-11-2003)“…This paper describes the use of a focused air-coupled capacitance transducer combined with pulse compression techniques to form high-resolution images of thin…”
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10
Characteristics of submarine engine diesel particulates in the maritime environment
Published in Journal of aerosol science (2010)“…Measurements of diesel particulate emissions from maritime sources are rare, although this form of transportation causes significant air pollution. However,…”
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Occupational exposure to airborne isocyanates during brush/roller application of 2-pack polyurethane paints in a tropical climate
Published in Journal of Coatings Technology and Research (01-03-2010)“…Shipboard and laboratory trials were conducted to determine airborne occupational exposure to isocyanates by brush/roller application of 2-pack polyurethane…”
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12
Preliminary studies of a novel air-coupled ultrasonic inspection system for food containers
Published in Journal of food engineering (01-08-2002)“…Air-coupled ultrasound has been used to perform measurements on liquids and starch-based materials, within containers similar to those used in the food…”
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13
Selective Detection of Alkanolamine Vapors by Ion Mobility Spectrometry with Ketone Reagent Gases
Published in Analytical chemistry (Washington) (15-02-2000)“…The ion mobility (IMS) spectra of the alkanolamines, monoethanolamine (MEA), 3-amino-1-propanol (PRA), 4-amino-1-butanol (BUA), and 5-amino-1-pentanol (PEA)…”
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14
Characteristics of Small Intestinal Diseases on Single-Balloon Enteroscopy: A Single-Center Study Conducted Over 6 Years in China
Published in Medicine (Baltimore) (01-10-2015)“…The small intestine has been considered inaccessible for a long term. The development of single-balloon endoscopy has greatly improved the diagnosis and…”
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15
Through-transmission imaging of solids in air using ultrasonic gas-jet waveguides
Published in IEEE transactions on ultrasonics, ferroelectrics, and frequency control (01-11-2003)“…An ultrasonic waveguide has been produced in air by using a gas jet. This uses the fact that a lower acoustic velocity can be produced within the jet, relative…”
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16
A swept frequency multiplication technique for air-coupled ultrasonic NDE
Published in IEEE transactions on ultrasonics, ferroelectrics, and frequency control (01-10-2004)“…A new technique has been investigated for improving the signals that can be obtained in air-coupled nondestruction evaluation (NDE). This relies on the wide…”
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17
Elliptical-Tukey Chirp Signal for High-Resolution, Air-Coupled Ultrasonic Imaging
Published in IEEE transactions on ultrasonics, ferroelectrics, and frequency control (01-08-2007)“…A new signal processing method, which uses a modified chirp signal for air-coupled ultrasonic imaging, is described. A combination of the elliptical and Tukey…”
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18
Portable Automated Radio-Frequency Scanner for Non-destructive Testing of Carbon-Fibre-Reinforced Polymer Composites
Published in Journal of nondestructive evaluation (01-06-2016)“…A portable automated scanner for non-destructive testing of carbon-fibre-reinforced polymer (CFRP) composites has been developed. Measurement head has been…”
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19
Ultrasonic tomographic imaging of an encased, highly attenuating solid medium
Published in Research in nondestructive evaluation (01-09-2001)“…Ultrasonic tomographic imaging has been performed on a highly attenuating, filled, hydroxyl-terminated polybutadiene, cast into a steel case. The detection of…”
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20
Differentiation between intestinal tuberculosis and Crohn’s disease in endoscopic biopsy specimens by polymerase chain reaction
Published in The American journal of gastroenterology (2002)“…OBJECTIVES: It is difficult to differentiate intestinal tuberculosis from Crohn’s disease because of similar clinical, pathological, radiological, and…”
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