Results 141 to 150 of about 2,340,427 (274)

X-ray Computed Microtomography for the Inspection of Flexible Risers

open access: yesBrazilian Journal of Radiation Sciences
The integrity of flexible risers, essential for transporting oil from wells to platforms, is often compromised by residual gases such as CO2 and H2S, which cause fatigue through corrosion.
Adriana José da Penha Moreira   +4 more
doaj   +1 more source

Microstructure Evolution and Material Flow of Steel in Semi-solid Forming Process [PDF]

open access: yes, 2011
The present study aims to identify and characterize the development of microstructure and deformation characteristics of steel grades in semi-solid state which is affected by the change in morphologies of microstructure at high temperature ...
BECKER, Eric   +4 more
core   +2 more sources

Polarization vision and the physiological basis for trichromatic vision in Philaenus spumarius: Understanding host‐seeking behaviour in insect vectors for Xylella fastidiosa control

open access: yesAnnals of Applied Biology, Volume 188, Issue 2, Page 503-519, March 2026.
We investigated the role of vision in host‐seeking behaviour by Philaenus spumarius, the main European vector of Xylella fastidiosa, through an integrated anatomical, optical, physiological, and behavioural study. Our data highlight that the spittlebug uses visual cues, including polarized light, which may aid in detecting the polarized reflections ...
Domen Lazar   +4 more
wiley   +1 more source

Morphology of Graphite Agglomerates Obtained by Spherical Agglomeration via Propagation-Based X-Ray Microtomography

open access: yesImage Analysis and Stereology
The aim of this work was to develop a novel method for studying the 3D morphology of agglomerates obtained by spherical agglomeration. It has been found, that the combination of shock-freezing the samples in a mixture of ethanol and dry ice followed by ...
Julia Schreier, Ulrich Bröckel
doaj   +1 more source

Injecting nerves with radiological contrast as a novel method of studying the peripheral nervous system

open access: yesJournal of Anatomy, Volume 248, Issue 3, Page 490-500, March 2026.
We present a method of injecting peripheral nerves with radiopaque contrast and subsequent CT scanning that produces excellent 3D models of the nerves, leaving the specimens intact and ready for further analysis (e.g., for micro‐CT or histology). Abstract The peripheral nervous system has been the subject of various studies on topics ranging from the ...
Radosław Rzepliński   +4 more
wiley   +1 more source

Evaluation of the effect of varying the workability in concrete pore structure by using X-ray microtomography

open access: yesRevista IBRACON de Estruturas e Materiais
The useful life of concrete is associated with the penetrative ability of aggressive agents on their structures. Structural parameters such as porosity, pore distribution and connectivity have great influence on the properties of mass transport in porous
E. E. Bernardes   +3 more
doaj   +1 more source

Effect of pH on the solubility and volumetric change of ready-to-use Bio-C Repair bioceramic material

open access: yesBrazilian Oral Research
Acidic pH can modify the properties of repair cements. In this study, volumetric change and solubility of the ready-to-use bioceramic repair cement Bio-C Repair (BCR, Angelus, Londrina, PR, Brazil) were evaluated after immersion in phosphate-buffered ...
Luana Raphael da SILVA   +3 more
doaj   +1 more source

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