Results 101 to 110 of about 8,799 (301)

Gut Mycobiota‐Associated Tryptophan Catabolites Protect Against Metabolic Dysfunction‐Associated Steatotic Liver Disease

open access: yesAdvanced Science, EarlyView.
ABSTRACT Accumulating evidence suggests that the intestinal microbiota participates in the progression of metabolic dysfunction‐associated steatotic liver disease (MASLD) through microbiota‐host interaction. However, the beneficial role of commensal mycobiota in MASLD progression remains poorly understood.
Shuping Qiao   +11 more
wiley   +1 more source

The application of air-coupled ultrasonic systems and signal processing to the interrogation of concrete [PDF]

open access: yes
This thesis describes the application of ultrasound to the interrogation of concrete for the retrieval of quantitative information. In particular the use of air-coupled ultrasound is applied for the first time with recent improvement in ultrasonic ...
Berriman, James Robert Stockwell
core  

Overcoming the Trade‐Off Between Magnetic Coupling and Electrical Insulation in Soft Magnetic Materials via Nanochain Engineering

open access: yesAdvanced Science, EarlyView.
This study employs a nanochain engineering approach combined with an in situ oxidation strategy to fabricate self‐insulating iron‐based magnetic nanochains, addressing the challenge of balancing magnetic coupling and electrical insulation in soft magnetic materials.
Dingrong Zuo   +8 more
wiley   +1 more source

Effects of the pipe-joints on acoustic emission wave propagation velocity

open access: yes, 2008
In jointed-pipes, a variety of different acoustic emission (AE) waves can be generated by way of mode conversion, wave reflection and wave transmission from a joint. This can lead to interference waves as resulting complicated signals propagate along the
Wichaidit, W, Au, YHJ
core  

Experimental self-location vehicle based on ultrasonic wave guided system

open access: yes, 1993
Experimental self-location vehicle based on an ultrasonic wave-guided system This paper describes the design and implementation of an automated guided vehicle, based on a microcomputer-controlled ultrasonic self-location system.
Harootyun Sh. Habib   +5 more
core   +1 more source

RESEARCH OF DETECTING DEFECTS IN POLYUREA ANTI-CORROSIVE PIPES BY USING ULTRASONIC GUIDED WAVES (MT)

open access: yesJixie qiangdu, 2023
In recent years, as a new type of anti-corrosion material, polyurea coatings have been widely applied to the protection of internal and external walls for pipes. In order to overcome the shortage of traditional ultrasonic testing with low efficiency, the
LIANG HaoRan   +5 more
doaj  

Effect of Alkyl Chain Length on the Bandgap, Ferroelectric, and Photoelectric Properties of Lead‐Based Molecular Ferroelectrics

open access: yesAdvanced Science, EarlyView.
This study develops a novel 2D molecular ferroelectric [C6N2H18]PbI4 with polarization enhanced photovoltaics. It systematically investigates the effect of alkylamine spacer cation chain lengths on the band gap, ferroelectric, and photoelectric properties, offering new design strategies.
Ganghua Zhang   +7 more
wiley   +1 more source

Plastic Pipe Crack Detection Using Ultrasonic Guided Wave Method [PDF]

open access: yes, 2014
The basic components of a plastic material made it very sensitive to damage, which requires techniques for detecting damage reliable and efficient. Ultrasonic guided wave is a sensitive method for damage detection.
Wan Sofian, Wan Hamat   +3 more
core  

Microscale Mapping of Fiber Strain and Damage in Composite Wrinkled Laminates Using Computed Tomography Assisted Wide‐Angle X‐Ray Scattering

open access: yesAdvanced Science, EarlyView.
This study combines full‐field tomography with diffraction mapping to quantify radial (ε002$\varepsilon _{002}$) and axial (ε100$\varepsilon _{100}$) lattice strain in wrinkled carbon‐fiber specimens for the first time. Radial microstrain gradients (−14.5 µεMPa$\varepsilon \mathrm{MPa}$−1) are found to signal damage‐prone zones ahead of failure, which ...
Hoang Minh Luong   +7 more
wiley   +1 more source

Pulsed-electromagnet EMAT for high temperature applications [PDF]

open access: yes
This thesis is concerned with the design and implementation of an Electromagnetic Acoustic Transducer (EMAT) intended for high temperature ultrasonic applications; which benefits from a novel approach using a pulsed current electromagnet (PE) and a ...
Hernández Valle, José Francisco
core  

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