Academic literature on the topic 'Sediments homogeneity'

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Journal articles on the topic "Sediments homogeneity"

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Truckenbrodt, D., and J. Einax. "Sampling representativity and homogeneity of river sediments." Fresenius' Journal of Analytical Chemistry 352, no. 5 (1995): 437–43. http://dx.doi.org/10.1007/bf00323363.

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Bashir, Tabish, Shabistan Fatma Taiyabi, and Khursid Alam Ansari. "Importance of Examination of Rasūb (Sediments) in Uroscopy." International Journal of Research and Review 11, no. 1 (2024): 41–46. http://dx.doi.org/10.52403/ijrr.20240106.

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Uroscopy is the macroscopic examination of urine, and it is an important diagnostic tool in Unani medicine. The findings of uroscopy are linked with the humoral theory of medicine. Human Urine is the first fluid that was examined for medical purposes. There are seven parameters in uroscopy, each parameter is studied in detail and then the conclusion is drawn based on the findings of all. Examination of urinary sediments is one of the parameters in uroscopy. In urine, sediment is a denser and differentiable component from the watery constituent. The features of urinary sediment vary a lot in di
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Harasimiuk, Andrzej, Bogumił Wicik, and Tomasz Grabowski. "The lake deposits in Płock Basin (case studies of Lakes Rakutowskie and Żłoby)." Limnological Review 10, no. 1 (2010): 23–28. http://dx.doi.org/10.2478/v10194-011-0003-7.

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The lake deposits in Płock Basin (case studies of Lakes Rakutowskie and Żłoby)Reconstruction of development of Lakes Rakutowskie and Żłoby in the late Pleistocene and Holocene was the aim of this research. Analysis of content of calcium carbonate, organic matter and C14 datings (7 samples) were done for two cores of sediments of 750 cm long. An average rate of accumulation was counted. Sediments of Lake Rakutowskie show homogeneity along the core which indicates similarity of sedimentation conditions. Sediments of Lake Żłoby were diversified and show variety related to cyclic changes. A common
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Oreščanin, Višnja, Karlo Nađ, Anamarija Bartolinčić, and Vladivoj Valković. "Chemical Profile of Plomin Bay Sediments." Archives of Industrial Hygiene and Toxicology 60, no. 3 (2009): 281–87. http://dx.doi.org/10.2478/10004-1254-60-2009-1919.

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Chemical Profile of Plomin Bay SedimentsGranulometric, chemical, and leaching properties of sediments dredged in the Plomin Bay (Northern Adriatic Sea, Croatia) were investigated in order to asses the risk of remobilisation of heavy metals into the water column. In total 65 samples from 65 sampling sites were taken from different sediment depths within the bay. Analysis of variance confirmed the homogeneity of granulometric and elemental composition of the investigated sediment throughout its volume. Granulometric analysis showed that all samples corresponded to a pelitic fraction (<0.063 m
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Alieva, Eliza, Rakhat Abdykadyrova, and Nurzat Totubaeva. "Assessment of Contamination and Accumulation of Heavy Metals in Sediments of Lake Issyk-Kul." Grassroots Journal of Natural Resources 8, no. 1 (2025): 873–93. https://doi.org/10.33002/nr2581.6853.080137.

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Issyk-Kul is one of the largest continental highland lakes, known for its considerable depth and unique water homogeneity. Due to its rich history, favourable environmental conditions and unique geographical location, the lake is of significant value for Kyrgyzstan. The present study assessed the levels of heavy metal pollution and their accumulation processes in the bottom sediments of the lake. Sediment samples were collected from six locations around the lake: Balykchy, Chok-Tal, Cholpon-Ata, Bosteri, Tyup and Ottuk. The concentrations of 16 heavy metals were analyzed using ICP-OES. Polluti
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Festus-Amadi, Ijeoma, O. Destiny Erhabor, Christiana E. Ogwuche, and Obruche K. Erienu. "Characterization of Contaminated Sediments Containing Polycyclic Aromatic Hydrocarbons from Three Rivers in the Niger Delta Region of Nigeria." Chemistry Research Journal 6, no. 3 (2021): 1–12. https://doi.org/10.5281/zenodo.11653922.

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<strong>Abstract </strong>In this study, 16 priority polycyclic aromatic hydrocarbons (PAHs) were determined in sediment samples in three Rivers (i.e. Orashi River, Aluu River and Woji River) in Port Harcourt, River State Nigeria. Pretreatment of the samples were performed to increase the homogeneity of the soil and to increase the extractability of the analytes in the sediment was carried out using dichloromethane. The samples were extracted using the soxhlet extractor and clean-up by Solid phase extraction (SPE) clean up, using a 12- port vacuum manifold from SUPELCO with 6 mL Supelco C18 SP
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Lemière, Bruno, Valérie Laperche, Arjan Wijdeveld, et al. "On-Site Analyses as a Decision Support Tool for Dredging and Sustainable Sediment Management." Land 11, no. 2 (2022): 274. http://dx.doi.org/10.3390/land11020274.

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Beneficial use of dredged sediments, either in harbours or waterways, is based on their potential as alternative resources. Such sediments can be considered as bulk materials for industrial needs, which is predicated on their current waste status or meeting end-of-waste constraints. They also can be an integral part of beneficial use projects using sediments as a bulk component, including civil engineering and landscaping. This is particularly important for beneficial use projects focusing on climate change effects mitigation, such as flood protection works, coastline defence or littoral urban
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Woronko, Barbara, Paweł Zieliński, and Robert Jan Sokołowski. "Climate evolution during the Pleniglacial and Late Glacial as recorded in quartz grain morphoscopy of fluvial to aeolian successions of the European Sand Belt." Geologos 21, no. 2 (2015): 89–103. http://dx.doi.org/10.1515/logos-2015-0005.

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Abstract We present results of research into fluvial to aeolian successions at four sites in the foreland of the Last Glacial Maximum, i.e., the central part of the “European Sand Belt”. These sites include dune fields on higher-lying river terraces and alluvial fans. Sediments were subjected to detailed lithofacies analyses and sampling for morphoscopic assessment of quartz grains. Based on these results, three units were identified in the sedimentary succession: fluvial, fluvio-aeolian and aeolian. Material with traces of aeolian origin predominate in these sediments and this enabled conclus
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Hussein, H. Karim* Safaa J. Wadaa. "GEOTECHNICAL STUDY OF BAGHDAD SOIL." Global Journal of Engineering Science and Research Management 4, no. 9 (2017): 92–106. https://doi.org/10.5281/zenodo.897742.

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This paper comprises the study and analysis of Baghdad soil for 23 geotechnical properties which were extracted from field tests of 630 boreholes with depth taken to 30m and representing 200 sites. Soil investigation reports are collected from different laboratory tests. The soil layers were divided into each 2m, which means 15 studied layers and the soil properties values were adopted and submitted in tables and digital maps to represent the variation of soil properties values with depth and relationships between the properties values. Different softwares and tools were implemented for digita
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Christidis, G. E., V. Perdikatsis, and Ch Apostolaki. "MINERALOGY OF THE SAHARAN AEOLIAN DUST IN CRETE: EXAMPLES FROM THE PERIOD 2004-2009." Bulletin of the Geological Society of Greece 43, no. 5 (2017): 2570. http://dx.doi.org/10.12681/bgsg.11664.

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Aeolian dust sediments, which were deposited by spring rainstorms or directly by the dust cloud were collected in the Technical University of Crete during the interval 2004-2009. The samples display remarkable mineralogical homogeneity and consist of illite, quartz, calcite, albite, kaolinite, palygorskite and dolomite. Chlorite or/and smectite is present in samples collected in 2006 and 2009. Gypsum is present in the collected from the airborne dust in 2009, but not from the sample which precipitated from rain in the same day. Mirabilite was traced in the sediment collected in 2005. The prese
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Book chapters on the topic "Sediments homogeneity"

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Djoukbala, Omar, Mahmoud Hasbaia, Oussama Benselama, Boutaghane Hamouda, Salim Djerbouai, and Ahmed Ferhati. "Water Erosion and Sediment Transport in an Ungauged Semiarid Area: The Case of Hodna Basin in Algeria." In Natural Disaster Science and Mitigation Engineering: DPRI reports. Springer Singapore, 2021. http://dx.doi.org/10.1007/978-981-16-2904-4_17.

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AbstractThis study aims to estimate the eroded and transported sediment yields from the The Hodna basin (26,000 km2) situated in central Algeria by two approaches. In the first model, the data of the gauged subbasins are extrapolated to the ungauged areas based on the homogeneity of factors that influence the water erosion-sediment transport process. In this approach, the specific eroded and transported sediment yield in the Hodna basin is estimated to be 425 t/km2/yr. In an alternative approach, the eroded yield is estimated by mapping erosion using the (RUSLE) in a GIS environment. The obtai
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LaBrecque, J. J., and P. A. Rosales. "The Homogeneity of Fe, Sr and Zr in SL-3/Lake Sediment Standard Reference Material by Radioisotope Induced X-Ray Emission." In Advances in X-Ray Analysis. Springer US, 1989. http://dx.doi.org/10.1007/978-1-4757-9110-5_24.

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Fakeye, Attah, Olusegun Ige, and Olufemi Ogunsanwo. "Multivariate Assessment of California Bearing Ratio with Contrasted Geotechnical Properties of Soils in Ilorin-Lokoja Highway." In Engineering Geology. IntechOpen, 2021. http://dx.doi.org/10.5772/intechopen.93523.

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California Bearing Ratio (CBR) is an important parameter used in designing pavement layers in road construction but testing this parameter requires time, labor, and huge cost. The study therefore applies multivariate approach to evaluate CBR based on contrasted geotechnical parameters along Ilorin-Lokoja highway. The results obtained showed that the migmatite-gneiss-derived soils are slightly more fines (&lt; 0.075 mm; 7.4–59.6%), more plastic (PI; 1.6–39%), and have low strength (MDD = 1.8 mg/m3; CBR = 29.0%) than the metasediments (11–57.7%, 2.0–30%, 1.6 mg/m3, 23.6%) and older granite soils
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Conference papers on the topic "Sediments homogeneity"

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Hussain, Mazhar, Daniel Levacher, Nathalie Leblanc, Hafida Zmamou, Irini Djeran Maigre, and Andry Razakamanantsoa. "Influence of Palm Oil Fibers Length Variation on Mechanical Properties of Reinforced Crude Bricks." In 4th International Conference on Bio-Based Building Materials. Trans Tech Publications Ltd, 2022. http://dx.doi.org/10.4028/www.scientific.net/cta.1.707.

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Crude bricks are composite materials manufactured with sediments and natural fibers. Natural fibers are waste materials and used in construction materials for reinforcement. Their reuse in manufacturing reinforced crude bricks is eco-friendly and improves mechanical and thermal characteristics of crude bricks. Factors such as type of fibers, percentage of fibers, length of fibers and distribution of fibers inside the bricks have significant effect on mechanical, physical and thermal properties of biobased composite materials. It can be observed by tests such as indirect tensile strength, compr
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Qubaisi, Khalid, Mohamed Haceb, Haitham Ahmed, and Caroline Magnier. "Reservoir Characterization Utilizing Advanced Geochemical Measurements Acquired at Surface." In ADIPEC. SPE, 2023. http://dx.doi.org/10.2118/216780-ms.

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Abstract Surface technologies and mud logging services are evolving tools that contribute today to unlocking complex geological settings, which will successfully define oil and gas potentials in a petroleum province. The paper aims to demonstrate the utilization of advanced cuttings analysis and microscopic observations to characterize chemical compositions of reservoirs, describe source rocks, confirm hydrocarbon potential and outline strategies for optimized well placement. Returned mud brings cuttings to the surface which are usually collected near the well shaker. Acquired rock samples can
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Pischinger, S., and M. Umierski. "Impact of Fuel Preparation System on Combustion Process and Exhaust Emissions." In ASME 2003 Internal Combustion Engine Division Spring Technical Conference. ASMEDC, 2003. http://dx.doi.org/10.1115/ices2003-0574.

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In the past decade, the quality of Heavy Fuel Oil (HFO) has not improved or even declined in general. The progress in refinery techniques allowed to use a higher percentage of the crude oil for light fuels and other components. Therefore, the concentration of heavy components and agglomerates in the residual fuel increased. On the other hand, a better exhaust quality without compromising the superior fuel consumption of HFO-fuelled engines can only be gained by improved fuel injection. High injection pressures, rate shaping and electronic control of injection timing as well as new injection te
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Reports on the topic "Sediments homogeneity"

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McDonald, Jacob, and Wendy Wright. Wadeable stream habitat monitoring at Horseshoe Bend National Military Park: 2019 baseline report. National Park Service, 2020. https://doi.org/10.36967/2271740.

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The Southeast Coast Network (SECN) stream habitat monitoring protocol collects data to give park resource managers insight into the status of and trends in stream and near-channel habitat conditions (McDonald et al. 2018a). Wadeable stream assessments are currently implemented at the five SECN inland parks with wadeable streams: Horseshoe Bend National Military Park (HOBE), Kennesaw Mountain National Battlefield Park (KEMO), Ocmulgee Mounds National Historical Park (OCMU), Chattahoochee River National Recreation Area (CHAT), and Congaree National Park (CONG). Streams chosen for assessment were
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