Results 11 to 20 of about 77,621 (292)
How to Calculate Tortuosity Easily? [PDF]
AIP Conference Proceedings, 2012 Tortuosity is one of the key parameters describing the geometry and transport properties of porous media. It is defined either as an average elongation of fluid paths or as a retardation factor that measures the resistance of a porous medium to the flow.
Koza, Zbigniew, Matyka, Maciej
core +2 more sources
Hypertension (Dallas, Tex. : 1979), 2019 Item does not contain ...
Ciurică, Simina +8 more
openaire +6 more sources
Arterial tortuosity syndrome [PDF]
BMJ Case Reports, 2016 An infant exhibited weight faltering and failure to thrive after birth. She was born full term via an uncomplicated vaginal delivery to healthy, non-consanguineous parents. The mother received prenatal care and standard screening tests were reportedly normal throughout pregnancy. There was no family history of disease.
Erfan, Mehrabi +2 more
openaire +2 more sources
Ecosphere, 2023 Accurate measurements of travel distance and the corresponding speed are crucial for the analysis of animal movements. Particularly, the trajectories of ants were used in numerous behavioral studies.
Jibeom Choi +4 more
doaj +1 more source
Mathematics, 2023 The tortuosity of retinal blood vessels is an important phenomenon, and it can act as a biomarker in the diagnosis of several eye diseases. The study of abnormalities in the tortuosity of retinal arteries and veins provides ophthalmologists with ...
Sufian A. Badawi +6 more
doaj +1 more source
A mathematical model of tortuosity in soil considering particle arrangement
Vadose Zone Journal, 2020 Tortuosity is an important parameter for studying the permeability of soil. Existing studies of soil tortuosity are usually of empirical nature and attempt to relate tortuosity to soil porosity alone.
Sheng Zhang +3 more
doaj +1 more source
Metals, 2022 Iron ore pellet reduction experiments were performed with pure hydrogen (H2) and mixtures with carbon monoxide (CO) at different ratios. For direct reduction processes that switch dynamically between reformed natural gas and hydrogen as the reductant, it
Amogh Meshram +4 more
doaj +1 more source
The Vertebral Artery: A Systematic Review and a Meta-Analysis of the Current Literature
Diagnostics, 2023 (1) Background. The anatomical variations of the vertebral arteries (VAs) have a significant impact both in neurosurgery and forensic pathology. The purpose of this study was to evaluate the variational anatomy of the vertebral artery.
Răzvan Costin Tudose +2 more
doaj +1 more source
Arterial Tortuosity Syndrome [PDF]
, 2021 A rare autosomal recessive condition, Arterial tortuosity syndrome (ATS) presents with ectactic blood vessels, cutaneous laxity, and bowel rupture. We report a case of an asymptomatic infant with arterial tortuosity syndrome who presented with left ventricular hypertrophy without any obvious obstruction to the outflow tract.
PRIYADARSHINI ARUNAKUMAR +3 more
openaire +2 more sources
U-Net Segmented Adjacent Angle Detection (USAAD) for Automatic Analysis of Corneal Nerve Structures
Data, 2020 Measurement of corneal nerve tortuosity is associated with dry eye disease, diabetic retinopathy, and a range of other conditions. However, clinicians measure tortuosity on very different grading scales that are inherently subjective.
Philip Mehrgardt +5 more
doaj +1 more source