Results 71 to 80 of about 38,586 (263)

Diffraction microtomography with sample rotation: influence of a missing apple core in the recorded frequency space

open access: yes, 2008
Diffraction microtomography in coherent light is foreseen as a promising technique to image transparent living samples in three dimensions without staining.
A. C. Kak   +14 more
core   +3 more sources

The morphology of the oval window in Paranthropus robustus compared to humans and other modern primates

open access: yesThe Anatomical Record, EarlyView.
Abstract The oval window (OW) is an opening connecting the inner and middle ear. Its area has been shown to consistently scale with body mass (BM) in primates, and has been used alongside semi‐circular canal (SCC) size to differentiate Homo sapiens and fossil hominins, including Paranthropus robustus.
Ruy Fernandez, José Braga
wiley   +1 more source

Internal Morphological Variations of 150 Lower Premolars: Three-Dimensional Multianalytical Study

open access: yesJournal of the California Dental Association, 2023
Aim The aim of this study was to investigate variations in the root canal morphology of human mandibular premolars using micro-computed tomography (micro-CT).Methods Three-dimensional images of 150 extract mandibular premolars were obtained using micro ...
Pedro Torres Dantas   +7 more
doaj   +1 more source

Challenges in imaging and predictive modeling of rhizosphere processes [PDF]

open access: yes, 2016
Background Plant-soil interaction is central to human food production and ecosystem function. Thus, it is essential to not only understand, but also to develop predictive mathematical models which can be used to assess how climate and soil management ...
Carminati, A.   +6 more
core   +5 more sources

The tiger salamander as a promising alternative model organism to the axolotl for fracture healing and regenerative biology research

open access: yesThe Anatomical Record, EarlyView.
Abstract Scientists have been captivated by the ability to regenerate, focusing on uncovering the mechanisms of epimorphic regeneration and applying them to human medicine. The axolotl (Ambystoma mexicanum) has become the most intensively studied model in tetrapod regeneration research, particularly concerning limb regeneration.
Vivien Bothe, Nadia Fröbisch
wiley   +1 more source

Quantitative characterization of pore structure of several biochars with 3D imaging

open access: yes, 2017
Pore space characteristics of biochars may vary depending on the used raw material and processing technology. Pore structure has significant effects on the water retention properties of biochar amended soils.
Hannula, Markus   +5 more
core   +1 more source

Evaluation of properties of cast metal foams with irregular inner structure [PDF]

open access: yes, 2018
Internal structure of metal foams is one of the most important factors that determine its mechanical properties. There exists a number of methods for studying the nature of the inner porous structure.
Hendrych, Jakub   +4 more
core   +1 more source

“Dead Lithium” Formation and Mitigation Strategies in Anode‐Free Li‐Metal Batteries

open access: yesBatteries &Supercaps, Volume 8, Issue 3, March 2025.
Anode‐free lithium metal batteries, though promising due to their high energy density, face challenges from dead lithium formation. “Dead lithium”, disconnected from the anode, causes capacity loss, increased resistance, and safety risks. This review explores the origins of dead lithium, its impact on battery performance, and potential strategies for ...
Mozaffar Abdollahifar, Andrea Paolella
wiley   +1 more source

Comparison of Methods to Segment Variable-Contrast XCT Images of Methane-Bearing Sand Using U-Nets Trained on Single Dataset Sub-Volumes

open access: yesMethane, 2022
Methane (CH4) hydrate dissociation and CH4 release are potential geohazards currently investigated using X-ray computed tomography (XCT). Image segmentation is an important data processing step for this type of research.
Fernando J. Alvarez-Borges   +5 more
doaj   +1 more source

Using small-angle X-ray scattering to investigate the compaction behaviour of a granulated clay [PDF]

open access: yes, 2015
The compaction behaviour of a commercial granulated clay (magnesium aluminium smectite, gMgSm) was investigated using macroscopic pressure-density measurements, X-ray diffraction (XRD), scanning electron microscopy (SEM), X-ray microtomography (XμT) and ...
Aguzzi   +59 more
core   +1 more source

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