Calibration‐free image analysis method for grain‐size distribution of small natural sand samples
Sign Up to like & getrecommendations! Published in 2024 at "Earth Surface Processes and Landforms"
DOI: 10.1002/esp.5884
Abstract: Natural sand samples collected from bedload or suspension transport can be too small to be sieved. However, related transported mass to sediment size is crucial to calibrate sediment transport models. Image analysis technique can be… read more here.
Keywords: size; sand samples; natural sand; sand ... See more keywords
A laboratory study of complex resistivity spectra for predictions of reservoir properties in clear sands and shaly sands
Sign Up to like & getrecommendations! Published in 2019 at "Journal of Petroleum Science and Engineering"
DOI: 10.1016/j.petrol.2019.01.061
Abstract: Abstract To investigate the effect of the application of complex resistivity logging in sand-shale reservoirs, measurements of complex resistivity are performed on core plugs obtained from artificial clear sand samples and shaly sand samples with… read more here.
Keywords: resistivity; study; complex resistivity; model ... See more keywords
Laboratory modeling and measurement of the electrical resistivity of hydrate-bearing sand samples
Sign Up to like & getrecommendations! Published in 2017 at "Russian Geology and Geophysics"
DOI: 10.1016/j.rgg.2017.04.005
Abstract: Abstract In this paper, we describe a setup for modeling hydrate-bearing rock samples and measuring their electrical resistivity at different pressures and temperatures using an AMNB cylindrical four-electrode probe. Methods for modeling hydrate-bearing rock samples… read more here.
Keywords: resistivity; sand samples; hydrate; hydrate bearing ... See more keywords
Hazardous parameters associated with natural radioactivity exposure from black sand
Sign Up to like & getrecommendations! Published in 2018 at "Regulatory Toxicology and Pharmacology"
DOI: 10.1016/j.yrtph.2017.12.014
Abstract: ABSTRACT Black sand samples collected from Baltim beaches (Kafr El‐Sheikh governorate) in Egypt on the Mediterranean Sea shore were analyzed radiometrically and evaluated using a nondestructive gamma ray spectroscopic techniques. The natural radionuclides of 226Ra,… read more here.
Keywords: 226ra 232th; sand; hazardous parameters; sand samples ... See more keywords
Gamma Ray Spectrometric Analysis of Sand Samples from Selected Beaches along Kenyan Coastline
Sign Up to like & getrecommendations! Published in 2021 at "The Scientific World Journal"
DOI: 10.1155/2021/6621645
Abstract: In this study, the activity concentration levels of 238U, 232Th, and 40K in sand samples collected from Shanzu, Nyali, Kenyatta, Tiwi, Shelly, and Diani beaches selected along the Kenyan coastline were determined using a gamma… read more here.
Keywords: sand; gamma ray; kenyan coastline; sand samples ... See more keywords
Evaluation of Transmission Near the Christiansen Wavelength for Dynamic Sand Samples
Sign Up to like & getrecommendations! Published in 2024 at "Applied Spectroscopy"
DOI: 10.1177/00037028241238782
Abstract: Many optical applications, including free-space optical communications, lidar, and astronomical measurements, are impacted by the presence of light-scattering particles also known as obscurants. Scattering from particles consisting of sand, dust, dirt, and other substances can… read more here.
Keywords: transmission; dynamic sand; sand samples; sand ... See more keywords