Results 221 to 230 of about 74,643 (325)

Inferring cumulative crack widths in reinforced concrete structures using Coda Wave Interferometry of ultrasound

open access: yesStructural Concrete, EarlyView.
Abstract Whether concrete structures are cracked, how wide these cracks are, and whether they must be regarded as damaging, is a central issue in structural health monitoring. Ultrasonic measurements evaluated with the sensitive Coda Wave Interferometry (CWI) have the potential to detect cracks early—long before they become visible. This paper presents
Felix Clauß   +3 more
wiley   +1 more source

Illicit Drug‐Derived Volatile Organic Compounds as Markers for Application in Noncontact Detection Technology

open access: yesThe Chemical Record, EarlyView.
This review highlights the characteristic odor markers of illicit drugs, emphasizing volatile markers from both natural and synthetic sources, and explores the shift from canine‐based detection to emerging noncontact sensing technologies. Illicit drug use remains a global concern, requiring effective detection methods to counter evolving concealment ...
Minwoo Kim   +4 more
wiley   +1 more source

Hydrogen Embrittlement Detection Technology Using Nondestructive Testing for Realizing a Hydrogen Society. [PDF]

open access: yesMaterials (Basel)
Abiru Y   +6 more
europepmc   +1 more source

Evaluation of Nondestructive Examination Responses from Chloride-Induced Stress Corrosion Cracks: Fabrication of Base Metal Test Specimens

open access: green, 2019
Ryan M. Meyer   +6 more
openalex   +2 more sources

Novel nondestructive testing applications in old automotive engine [PDF]

open access: diamond, 2017
Shi Changliang   +3 more
openalex   +1 more source

PM2.5 Chemical Composition and Geographic Origin of Air Masses in Mabopane, South Africa

open access: yesX-Ray Spectrometry, EarlyView.
ABSTRACT Air pollution is a major global threat to health. The study aimed to analyze the chemical composition of PM2.5 in Mabopane, South Africa, and to identify the contribution of transported particulate pollution sources using backward air transport cluster analysis.
Mandla Bhuda   +4 more
wiley   +1 more source

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