نتایج جستجو برای: microstructural characteristics
تعداد نتایج: 673675 فیلتر نتایج به سال:
The tooth microstructure of Metoposaurus krasiejowensis was studied to observe external morphology, internal (comprising dentine structure and directional porosity as possible predatory adaptations) enamel/enameloid mineral composition. Scanning electron microscopy (SEM) observation thin-section inspection by light microscope enabled us recognize a in the cross-sections, interpreted here part l...
•DTI can provide information on microstructural white matter integrity.•White matter microstructural integrity is not related to cognitive decline in SVD.•These results are in contrast with cross-sectional findings.•Other factors than white matter microstructural damage underlie this cognitive decline.
Investigation of the enhanced mechanical response of treated soils through microbially induced calcite precipitation requires extensive understanding of the pore structure. Depending on the applied treatment conditions, the resultant material exhibits distinct changes in the solid phase. In this paper, the focus is on the microstructural characteristics of bio-cemented soils derived from differ...
BACKGROUND Diffusion tensor imaging measures of white matter (WM) microstructural integrity appear to provide earlier indication of WM injury than WM hyperintensities; however, risk factors for poor WM microstructural integrity have not been established. Our study quantifies the association between vascular risk factors in midlife and late life with measures of late-life WM microstructural inte...
Disruptive behavior disorders (DBD) are among the most commonly diagnosed mental disorders in children and adolescents. Some important characteristics of DBD vary based on the presence or absence of comorbid attention-deficit/hyperactivity disorder (ADHD), which may affect the understanding of and treatment decision-making related to the disorders. Thus, identifying neurobiological characterist...
PURPOSE The aim of this in vitro study was to evaluate the mechanical properties (bending strength and hardness) of seven different fiber reinforced composite posts, in relation to their microstructural characteristics. MATERIALS AND METHODS Two hundred eighty posts were divided into seven groups of 40, one group for each type of post analyzed. Within each group, 15 posts were subjected to th...
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