Gotowe bibliografie tematyczne / Sedimentation Yield

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Gotowa bibliografia na temat „Sedimentation Yield”

Autor: Grafiati

Data publikacji: 3 czerwca 2025

Data aktualizacji: 31 lipca 2025

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Artykuły w czasopismach na temat "Sedimentation Yield"

Wasson, RJ, and RW Galloway. "Sediment Yield in the Barrier Range Before and After European Settlement." Rangeland Journal 8, no. 2 (1986): 79. http://dx.doi.org/10.1071/rj9860079.

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Sediment yield has been estimated for the catchment of Umberumberka Creek, just west of Broken Hill in far western New South Wales, for two periods before European settlement and for three periods after settlement. The approach is stratigraphic whereby pre-settlement yields have been estimated from a radiocarbon-dated alluvial fan while post-settlement yields have been calculated from surveys of sedimentation in Umberumberka Reservoir. The average post-settlement yield of 1.9 m3 ha-' yr-' is about 50 times greater than the average yield for the 3000 years preceding settlement. The highest reco

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Mulemgera, Mathew K. "Sediment Yield Prediction in Tanzania:Case study of Dodoma District Catchments." Tanzania Journal of Engineering and Technology 31, no. 1 (2008): 63–71. http://dx.doi.org/10.52339/tjet.v31i1.417.

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Soil erosion and sedimentation is serious and is resulting in rapid sedimentation of streams and reservoirs in Tanzania. This makes sediment yield modeling important before undertaking water resources development projects, although it has so far not been done in the country. At present sediment yield prediction can be done using physically based models,empirical soil erosion and sediment yield models, and sediment rating curves. The physically based models contain numerous parameters that are difficult to measure or estimate, making them inappropriate in developing countries like Tanzania. The

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Ovarlez, Guillaume, François Bertrand, Philippe Coussot, and Xavier Chateau. "Shear-induced sedimentation in yield stress fluids." Journal of Non-Newtonian Fluid Mechanics 177-178 (June 2012): 19–28. http://dx.doi.org/10.1016/j.jnnfm.2012.03.013.

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Kaplan Evlice, Asuman, Şule Keskin, Aliye Pehlivan, et al. "Yield and quality characteristics of durum wheat genotypes under rainfed conditions in central anatolia region." Genetika 55, no. 2 (2023): 759–73. http://dx.doi.org/10.2298/gensr2302759e.

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The study aimed to investigate the possibility of integrated assessment of durum wheat genotypes in multi-environmental trials for grain quality and yield. The most important selection parameters for durum wheat grain quality were analysed: kernel weight, test weight, kernel diameter, hardness index, kernel vitreousness, colour L, a, b values, grain protein content, SDS sedimentation, and modified SDS sedimentation. A wide variation was observed for all quality characteristics as well as grain yield. Variations in test weight and grain yield in different environments were significantly higher

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Campos, Jody, Iran Eduardo Lima Neto, Ticiana Marinho Studart, and José Nilson Beserra Campos. "Influence of sediment distribution on the relationships among reservoir yield, spill, and evaporation losses." Engenharia Sanitaria e Ambiental 23, no. 5 (2018): 849–56. http://dx.doi.org/10.1590/s1413-41522018177058.

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ABSTRACT This study shows how the sedimentation process in reservoirs affects the yield-spill-evaporation losses in reservoirs of Ceará State, Brazilian Northeast. Reservoirs are assumed to have, initially, inverted conical shape. Three forms of sedimentation were investigated: type 1, with deposition occurring parallel to the wetted perimeter; type 2, deposition distributed proportionally to the water depth; and, type 3, deposition concentrated in the reservoir bottom. These sedimentation patterns were found in many reservoirs in Ceará, with capacity ranging from about 0.5 to 100 hm3. Neverth

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Maharani, Elliza Tri, Dong-Hoon Lee, Young-Jun Kim, Jong-Seok Oh, and Seung-Bok Choi. "The Actuating Characteristics of Magnetorheological Fluids Subjected to Particle Sedimentation and Temperature Variation." Actuators 13, no. 8 (2024): 277. http://dx.doi.org/10.3390/act13080277.

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Magnetorheological (MR) fluids are known for their controllable characteristics under the influence of magnetic fields and, hence, widely used as semi-active actuators for vibration control. Regardless of advantages such as fast response time and reversible property, MR fluids inevitably experience sedimentation caused by significant density mismatches between magnetic particles and carrier liquids. Moreover, the effect of the temperature on actuating characteristics is also one of the problems to be resolved for practical implementation. This study experimentally investigates the sedimentatio

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Savasli, Erdinc, Oğuz Önder, Yaşar Karaduman, et al. "Ekmeklik Buğdayda (Triticum aestivum L.) Başaklanma Döneminde Toprak ve Yapraktan Uygulanan Ürenin Tane Verimi ve Kalite Özellikleri Üzerine Etkisi." Turkish Journal of Agriculture - Food Science and Technology 7, no. 11 (2019): 1928. http://dx.doi.org/10.24925/turjaf.v7i11.1928-1936.2897.

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This study was conducted during two crop seasons to investigate the effect of nitrogen fertilizer quantity and application form on grain yield and quality in Eskisehir Transitional Zone Agricultural Research Institute by using seven bread wheat cultivars in rainfed and eight in irrigated conditions. In the study, urea as a source of nitrogen was applied in heading time (Zadoks 59) in granular and foliar form. In all treatments grain yield, some technological quality characteristics were determined of the genotypes. In both conditions while sedimentation value, protein content, aggregation ener

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Stanmore, B. R., and D. W. Page. "Yield stresses and sedimentation in dense flyash slurries." Powder Technology 72, no. 2 (1992): 167–75. http://dx.doi.org/10.1016/0032-5910(92)88023-b.

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Obukhova, M. V., E. I. Vialkova, L. V. Belova, A. M. Fugaeva, E. S. Korshikova, and A. D. Lapina. "Microwave Radiation in Wastewater Treatment and Sedimentations Treatment Technologies." Ecology and Industry of Russia 28, no. 7 (2024): 4–9. http://dx.doi.org/10.18412/1816-0395-2024-7-4-9.

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The main results of research on the use of microwave radiation in wastewater treatment and treatment of their sedimentations, as well as water treatment waste, are presented. The thermal influence of microwaves on the water and sedimentations properties is considered. The experimental data obtained by foreign and domestic specialists for the following processes using microwaves are shown: degradation of organic substances, de-emulsification of oil-containing wastewater, removal of metals, disinfection, intensification of biogas yield, sediments pyrolysis, modification of the absorbents, intens

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Kovalenko, Vadym, Anastasiia Borysenko, Valerii Kotok, Rovil Nafeev, Volodymyr Verbitskiy, and Olena Melnyk. "Determination of technological parameters of Zn-Al layered double hydroxides, as a matrix for functional anions intercalation, under different synthesis conditions." Eastern-European Journal of Enterprise Technologies 2, no. 6 (116) (2022): 25–32. http://dx.doi.org/10.15587/1729-4061.2022.254496.

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Layered double hydroxides, especially Zn-Al, are valuable bases for intercalating various functional anions: dyes, drugs, food additives, etc. For purposeful development and optimization of the synthesis technology of functional materials based on Zn-Al layered double hydroxides, the technological parameters of Zn-Al nitrate layered double hydroxide samples (Zn:Al=4:1) synthesized at solution flow rates of 0.8 and 1.6 l/h, pH=7, 8, 9, 10 and t=10, 20, 30, 40, 50 and 60 °C were determined. The yield values of the samples were determined by the gravimetric method. The sedimentation rate was stud

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Rozprawy doktorskie na temat "Sedimentation Yield"

Shah, Bashir Hussain. "Land use optimization and sediment yield model for Siran Watershed (Pakistan)." Diss., The University of Arizona, 1985. http://hdl.handle.net/10150/191104.

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The main objective of this study is an assessment of the potential of applying land use optimization methods for minimizing the sediment yield from catchments. The study area is the Siran watershed, a subwatershed of the Tarbela watershed in Pakistan which drains directly into the Tarbela reservoir. It has an area of 4Ub sq. miles and receives 47.82 inches annual average precipitation. The main land use practices on the Siran Watershed are agriculture, rangeland grazing and forestry. A stochastic model for simulating daily precipitation and another for simulating daily maximum temperatures are

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White, Susan Mary. "Sediment yield estimation from limited data sets : a Philippines case study." Thesis, University of Exeter, 1992. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.332300.

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Msadala, V. P. "Sediment yield prediction based on analytical methods and mathematical modelling." Thesis, Stellenbosch : University of Stellenbosch, 2009. http://hdl.handle.net/10019.1/2863.

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Thesis (MScEng (Civil Engineering)--University of Stellenbosch, 2009.<br>ENGLISH ABSTRACT: A study of the state of reservoir sedimentation in South Africa based on reservoir sediment deposit data, has shown that a considerable number of reservoirs have serious sedimentation problems. The analysis of the reservoir sediment deposit data showed that almost 25% of the total number of reservoirs have lost between 10 to 30% of their original storage capacity. The average storage loss due to sedimentation in South African reservoirs is approximately 0.3% per year while the average annual storag

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Hamilton, Doann M. "Sediment Yield Analysis of Reservoir #1, Bull Run Watershed, West Cascade Mountains, Oregon." PDXScholar, 1994. https://pdxscholar.library.pdx.edu/open_access_etds/4838.

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Bull Run Watershed was set aside in late the 1800s as the water supply source for the City of Portland. Other than two dams being constructed, Reservoir #1 (1929) and Reservoir #2 (1962), development of the land had been minimal as public access was restricted. In the early 1960s, land management changed with increased road building and timber removal raising concerns about increased sediment discharge into the reservoirs. The objective of this study is to evaluate how much and how fast the sediment has accumulated in Reservoir #1, and to determine if the rate of sediment accumulation has chan

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CHUTACHINDAKATE, CHADIN. "INTEGRATED SEDIMENT APPROACH AND IMPACTS OF CLIMATE CHANGE ON RESERVOIR SEDIMENTATION." 京都大学 (Kyoto University), 2009. http://hdl.handle.net/2433/85392.

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Nowadays the sediment becomes one significant problem to reservoir watershed and it is effect and related to reservoir operation system. As the research topic, an integrated sediment approach and impacts of climate change on reservoir sedimentation, there are three main parts demonstrated in this research that all parts are related together with sediment point of view. Annual sediment depositing volume in reservoir was estimated by general soil loss equation but the efficiency was not acceptable. The first part of this study shows that the efficiency is improved by using general soil loss equa

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Ahamed, Aakash. "Geomorphic and Land Use Controls on Sediment Yield in Eastern USA." Thesis, Boston College, 2014. http://hdl.handle.net/2345/bc-ir:103788.

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Thesis advisor: Noah P. Snyder<br>Thesis advisor: Gabrielle C. David<br>The Reservoir Sedimentation Database (ResSed), a catalogue of reservoirs and depositional data that has recently become publicly available, allows for rapid calculation of sedimentation and capacity-loss rates over short (annual to decadal) timescales. This study is a statistical investigation of factors controlling average sediment yield (Y) in eastern United States watersheds. I develop an ArcGIS-based model that delineates watersheds upstream of ResSed dams and calculate drainage areas to determine Y for 191 eastern US

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Lopes, Vicente Lucio 1952. "A numerical model of watershed erosion and sediment yield." Diss., The University of Arizona, 1987. http://hdl.handle.net/10150/191125.

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A physically based, distributed parameter, event oriented, nonlinear, numerical model of watershed response is developed to accommodate the spatial changes in topography, surface roughness, soil properties, concentrated flow patterns and geometry, and land use conditions. The Green and Ampt equation with the ponding time calculation for an unsteady rain is used to compute rainfall excess rates. The kinematic wave equations are used to describe the unsteady one-dimensional overland and channel flow. The unsteady and spatially varying erosion/deposition process on hillslopes and channel systems

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Wang, Yung-Chieh (Becky). "Effects of physical properties and rheological characteristics on critical shear stress of fine sediments." Diss., Georgia Institute of Technology, 2013. http://hdl.handle.net/1853/51723.

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During high flow rates, the acceleration of flow and turbulence around bridge foundations lead to scouring, defined as the removal of bed sediments. Due to the interparticle physico-chemical forces of clay particles, erodibility and transport mechanisms for fine sediments are different from those for coarse sediments, and the capability to predict the erosion resistance of fine sediments is still in question. In this study, silt-clay soil mixtures with different kaolin contents were prepared by mixing ground silica and Georgia kaolin with tap water. Geotechnical tests were carried out to obtai

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Lima, Yuri Castro Ponciano. "AnÃlise do Assoreamento de um Pequeno ReservatÃrio: Estudo de caso AÃude BoqueirÃo, Aiuaba, CE." Universidade Federal do CearÃ, 2010. http://www.teses.ufc.br/tde_busca/arquivo.php?codArquivo=5275.

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Conselho Nacional de Desenvolvimento CientÃfico e TecnolÃgico<br>A multiplicaÃÃo da quantidade de pequenos reservatÃrios no semiÃrido nordestino provoca um impacto considerÃvel na disponibilidade hÃdrica das mÃdias e grandes bacias hidrogrÃficas, tornando-se assim, um impeditivo no bom gerenciamento deste recurso. Por outro lado, a pequena aÃudagem tem um importante papel com a retenÃÃo de sedimentos oriundos da erosÃo da bacia hidrogrÃfica, fazendo com que haja a minimizaÃÃo dos impactos causados com o acumulo de sedimento nos reservatÃrios estratÃgicos, causadora da conseqÃente reduÃÃo na di

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Hughes, Andrew Owen Physical Environmental &amp Mathematical Sciences Australian Defence Force Academy UNSW. "An assessment of recent changes in catchment sediment sources and sinks, central Queensland, Australia." Awarded by:University of New South Wales - Australian Defence Force Academy. Physical, Environmental & Mathematical Sciences, 2009. http://handle.unsw.edu.au/1959.4/43622.

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Spatial and temporal information on catchment sediment sources and sinks can provide an improved understanding of catchment response to human-induced disturbances. This is essential for the implementation of well-targeted catchment-management decisions. This thesis investigates the nature and timing of catchment response to human activities by examining changes in sediment sources and sinks in a dry-tropical subcatchment of the Great Barrier Reef (GBR) catchment area, in northeastern Australia. Changes in catchment sediment sources, both in terms of spatial provenance and erosion type,

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Książki na temat "Sedimentation Yield"

Costa, John E. Evolution of sediment yield from Mount St. Helens, Washington, 1980-93. U.S. Geological Survey, 1994.

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Lawson, Daniel E. Glaciohydrologic and glaciohydraulic effects on runoff and sediment yield in glacierized basins. US Army Corps of Engineers, Cold Regions Research & Engineering Laboratory, 1993.

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Pringle, Ada W. Causes and effects of changes in fluvial sediment yield to the North-East Queensland coast, Australia. Dept. of Geography, James Cook University of North Queensland, 1986.

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Madej, Mary Ann. An evaluation of land use, hydrology, and sediment yield in the Mill Creek watershed, northern California. Redwood National Park, Arcata Office, 1986.

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Kusumandari, Ambar. Estimation of erosion and sediment yield in forest and agroforestry areas in Citarum, West Java, Indonesia: Application of the AGNPS model. University Consortium of the Environment, 1994.

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Thomas, Robert B. Piecewise SALT sampling for estimating suspended sediment yields. U.S. Dept. of Agriculture, Forest Service, Pacific Southwest Forest and Range Experiment Station, 1989.

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Hill, Catherine L. Effects of land-management practices on sediment yields in northeastern Guilford County, North Carolina. U.S. Dept. of the Interior, U.S. Geological Survey, 1991.

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Hill, Catherine L. Effects of land-management practices on sediment yields in northeastern Guilford County, North Carolina. U.S. Dept. of the Interior, U.S. Geological Survey, 1991.

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Hill, Catherine L. Effects of land-management practices on sediment yields in northeastern Guilford County, North Carolina. U.S. Dept. of the Interior, U.S. Geological Survey, 1991.

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Hill, Catherine L. Effects of land-management practices on sediment yields in northeastern Guilford County, North Carolina. U.S. Dept. of the Interior, U.S. Geological Survey, 1991.

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Części książek na temat "Sedimentation Yield"

Bhattacharyya, Kumkum, and Vijay P. Singh. "Sediment Yield." In Reservoir Sedimentation. CRC Press, 2019. http://dx.doi.org/10.1201/9781351027502-5.

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Borah, Deva K., Edward C. Krug, and Daniel Yoder. "Watershed Sediment Yield." In Sedimentation Engineering. American Society of Civil Engineers, 2008. http://dx.doi.org/10.1061/9780784408148.ch17.

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Saber, Mohamed, Sameh A. Kantoush, Tetsuya Sumi, et al. "Integrated Study of Flash Floods in Wadi Basins Considering Sedimentation and Climate Change: An International Collaboration Project." In Natural Disaster Science and Mitigation Engineering: DPRI reports. Springer Singapore, 2021. http://dx.doi.org/10.1007/978-981-16-2904-4_15.

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AbstractRecently, Wadi flash floods (WFFs) have happened frequently in arid environments, resulting in great damage the society and the environment. In Oman, severe WFFs have occurred repeatedly within the last 10 years causing a huge impact on human lives and properties. This paper aims at introducing the framework of an international collaboration project between Japan and Oman for WFF management considering sediment dynamics and climate changes. Four research groups were established: climate change (G1), rainfall-runoff modeling (G2), sediment yield and transport (G3), and sedimentation and

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Dimri, Tripti, Shamshad Ahmad, and Mohammad Sharif. "Sediment Yield Estimation and Reservoir Sedimentation Assessment Using Geospatial Tools: A Case Study of Tehri Dam Reservoir." In Lecture Notes in Civil Engineering. Springer Singapore, 2021. http://dx.doi.org/10.1007/978-981-16-6140-2_6.

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"Chapter 5 Estimation of Sediment Yield." In Reservoir Sedimentation. Elsevier, 1987. http://dx.doi.org/10.1016/s0167-5648(08)71108-0.

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Kuksina, L. V., and N. I. Alexeevsky. "Suspended sediment yield transportation by rivers of the Kamchatsky Krai into the Pacific Ocean." In River Sedimentation. CRC Press, 2016. http://dx.doi.org/10.1201/9781315623207-9.

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Gupta, Avijit. "Accelerated Erosion and Sedimentation in Southeast Asia." In The Physical Geography of Southeast Asia. Oxford University Press, 2005. http://dx.doi.org/10.1093/oso/9780199248025.003.0026.

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Periodic attempts to plot global distribution of erosion and sedimentation usually attribute most of Southeast Asia with a very high sediment yield (Milliman and Meade 1983). The erosion rates and sediment yield figures are especially high for maritime Southeast Asia. Milliman and Syvitski (1992), for example, listed 3000 t km−2 yr−1 for the archipelagos and peninsulas of Southeast Asia. They provided a number of natural explanations for the high erosion rate: location near active plate margins, pyroclastic eruptions, steep slopes, and mass movements. This is also a region with considerable an

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Luyten, H., W. Kloek, and T. Van Vliet. "The sedimentation of a single particle in xanthangalactomannan gum mixtures." In Gums and stabilisers for the Food industry 6. Oxford University PressOxford, 1992. http://dx.doi.org/10.1093/oso/9780199632848.003.0029.

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Abstract A combination of xanthan with a galactomannan can give a dispersion an (apparent) yield stress. The measured viscosity of such systems at stresses higher than the yield stress depended on the method used. We observed that at the same stresses, the Stokes’ sedimentation viscosity was much larger than the viscosity measured with an apparatus (table 1 and (1)). Differences could be up to a few orders of magnitude.

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Knapp Haraldsen, Trond. "Flood Damage on Agricultural Land and Methods for Restoration of Agricultural Soils after Catastrophic Floods in Cold Areas." In Floods - Understanding Existing and Emerging Risk Drivers in a Climate Change Context [Working Title]. IntechOpen, 2022. http://dx.doi.org/10.5772/intechopen.109111.

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Catastrophic floods have large effect on agricultural land both in short and long term. In this chapter, examples of impact of floods of different size in cold regions with glaziers have been presented. The largest floods occur as combination of heavy rainfall and melting and snow and ice in the mountainous areas. Periods of waterlogging by cold running water resulted in decreased yields, but N-fertilization after the soil no longer was water saturated could reduce the yield loss considerably. Although the floods cause severe erosion and sedimentation, results show that it is possible to find

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Wereley, Norman M., and Young Choi. "Review of Magnetorheological Fluids as Smart Materials." In Fundamentals of Smart Materials. The Royal Society of Chemistry, 2020. http://dx.doi.org/10.1039/bk9781782626459-00107.

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Chapter 10 reviews magnetorheological fluids (MRFs), which are suspensions of micron-sized magnetic particles such as iron carbonyl powder in a host liquid which is usually a type of oil with some additives to minimize particle sedimentation and particle wear and tear. When the MRF suspension is placed in a magnetic field, the suspended colloidal particles reconfigure to form chains in the direction of the magnetic flux and make the solution more solid-like than liquid. This new particle configuration, which shows some microstructure within the suspension sharply increases the apparent viscosi

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Streszczenia konferencji na temat "Sedimentation Yield"

Feneuil, Blandine, Bjørnar Lund, and Ragnhild Skorpa. "Laboratory-Scale Experiments to Predict Barite Sedimentation in Drilling Fluids in Wells." In ASME 2023 42nd International Conference on Ocean, Offshore and Arctic Engineering. American Society of Mechanical Engineers, 2023. http://dx.doi.org/10.1115/omae2023-104790.

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Abstract Barite sedimentation in drilling fluids at rest is a challenge for plugging and abandonment operations (P&A) of oil wells. On the one hand, the barite sediments can complicate the operations by preventing casing removal. On the other hand, they could be used as a barrier material. Therefore, it is essential to be able to understand the sedimentation process in order to predict the sealing properties of the sedimented material. As in-situ measurements can be difficult and time-consuming, it would be helpful to be able to predict the sedimentation properties of a drilling fluid from

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Abdelaal, Ahmed, Salaheldin Elkatatny, and Ahmed Abd El Fattah. "The Path to Sustainable Cementing: Embracing a Non-Portland Cement Solution for Oil and Gas Wells." In ADIPEC. SPE, 2023. http://dx.doi.org/10.2118/216038-ms.

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Abstract Geopolymer cement shows great promise as an alternative to Ordinary Portland cement (OPC) in the oil and gas industry due to OPC's environmental concerns and high energy consumption during manufacturing. While geopolymer cement is already widely used in the construction sector, its full-scale application in the petroleum industry is yet to be realized. One critical area where geopolymer cement can play a significant role is in high-pressure well cementing applications. To replace heavy-weight Portland cement slurries in these applications, the development of high-density geopolymer ce

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Jonsdottir, Fjola, Ketill H. Gudmundsson, Freygardur Thorsteinsson, and Oliver Gutfleisch. "Bidisperse Perfluorinated Polyether (PFPE)-Based Magneto-Rheological Fluids in a Prosthetic Knee." In ASME 2009 Conference on Smart Materials, Adaptive Structures and Intelligent Systems. ASMEDC, 2009. http://dx.doi.org/10.1115/smasis2009-1239.

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Regaining biomechanical function, comfort and quality of life is a prime consideration when designing prosthetic limbs. Recently, microprocessor-controlled prosthetic knees, which rely on magneto-rheological (MR) technology, have become available and have the potential to meet these needs. One of these promising products is a prosthetic knee manufactured by the company Ossur Inc. The knee is a synergy of artificial intelligence, advanced sensors and MR actuator technology. A critical factor in the success of the prosthetic knee is the composition of the MR fluid. In the prosthetic actuator, th

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Коробкова, В. А., А. Г. Черноок, М. Г. Дивашук, А. В. Архипов, А. С. Яновский, and А. Д. Воропаева. "PROSPECTS FOR THE USE OF MOLECULAR MARKERS TO DETECT 1BL/1RS TRANSLOCATION IN WHEAT." In Биотехнология в растениеводстве, животноводстве и сельскохозяйственной микробиологии. Crossref, 2021. http://dx.doi.org/10.48397/arriab.2021.21.xxi.031.

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Один из подходов к увеличению генетического разнообразия пшеницы основан на интрогрессивной гибридизации, обеспечивающей перенос новых генов в геном пшеницы. Этот способ использовался для получения высоко адаптивных линий пшеницы с 1BL/1RS замещением от ржи. 1RS фрагмент хромосомы ржи несет гены устойчивости к бурой ржавчине (Lr26), стеблевой ржавчине (Sr31), мучнистой росе (Рm8), а также жёлтой ржавчине (Yr9), вирусу полосатой мозаики (Wsm) и тле (Gbr) [1, 2]. Данный тип транслокации может не только способствовать устойчивости сортов пшеницы к комплексу болезней, но и увеличению массы зёрен,

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Rigoulet, Hana, Silvie Brozova, Jaromir Drapala, and Ales Sliva. "HYDROMETALLURGICAL METHODS OF GALVANIC SLUDGE RECYCLING." In 22nd SGEM International Multidisciplinary Scientific GeoConference 2022. STEF92 Technology, 2022. http://dx.doi.org/10.5593/sgem2022/4.1/s18.25.

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The paper deals with the possibility of obtaining zinc and iron from waste galvanic sludge, which arises during galvanic plating. Galvanic sludges, which contain more significant amounts of heavy metals, form wastes that are suitable for recycling. These arise during the treatment of wastewater from the operation of the electroplating plant. It is a mixture of metal hydroxides, mainly iron, zinc, chromium, and others. The sludge is sedimented in the reaction wells and, after sedimentation, is pumped into the sludge sump. From there, they are drained in a sludge press by a sludge pump. Subseque

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Karvinen, T., and R. Karvinen. "Two-Objective Shape Optimization of Sewers." In ASME 2008 Fluids Engineering Division Summer Meeting collocated with the Heat Transfer, Energy Sustainability, and 3rd Energy Nanotechnology Conferences. ASMEDC, 2008. http://dx.doi.org/10.1115/fedsm2008-55259.

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Hydraulic characteristics of different sewer shapes are studied. The sewer must carry a very large flow rate for example in storm conditions, but most of the time there is very little flow at the bottom. This causes sedimentation of particles, which is avoided by having a high flow velocity. These are contradicting objectives in sewer design and therefore yield a multi-objective optimization problem. It is shown using a shape optimization procedure, that hydraulic characteristics of existing sewers can be improved. Using the optimization scheme, the Pareto-optimal solution of a shape optimizat

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Bhuiyan, Mohammad Hossain, Ragnhild Skorpa, and Anna Magdalena Stroisz. "Evolution of P-Wave Velocity in Settling Drilling Fluids." In ASME 2021 40th International Conference on Ocean, Offshore and Arctic Engineering. American Society of Mechanical Engineers, 2021. http://dx.doi.org/10.1115/omae2021-65117.

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Abstract Drilling and completion fluids (muds) are complex suspensions that typically contain weight material (such as barite) to increase the density, and clay particles to increase the viscosity and provide yield stress. In a static column of fluid, barite will inevitably settle. The density of the mud column gradually increases, from free fluid at the top to a compact, and possible gas tight solid at the bottom. The separation mechanism into different phases is complex, thus detailed, systematic fluid experiments is needed to fully understand the properties of settled barite. Wave velocity,

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Hayashi, Yoshikazu, Gordon Yip, Yoon Jo Kim, and Jong-Hoon Kim. "Metallic Nanoemulsion for Microchannel Heat-Sink." In ASME 2016 14th International Conference on Nanochannels, Microchannels, and Minichannels collocated with the ASME 2016 Heat Transfer Summer Conference and the ASME 2016 Fluids Engineering Division Summer Meeting. American Society of Mechanical Engineers, 2016. http://dx.doi.org/10.1115/icnmm2016-8010.

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Galinstan is a eutectic alloy of gallium, indium, and tin, of which thermal conductivity is ∼27 times higher than that of water, while the dynamic viscosity is only twice. Thus, heat transfer coefficient can be remarkably enhanced with a small penalty of pumping power. However, the direct use of galinstan can suffer from practical issues such as oxidation and low specific heat. Therefore, galinstan is mixed with a coolant as an additive to form a colloidal fluid; i.e., dispersion of nanoscale galinstan droplets in a coolant to enhance the thermal conductivity. It is expected that this “metalli

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Elgaddafi, R. M., M. T. Al Saba, R. Ahmed, M. Omar, B. Biltayib, and A. Almarshad. "Application of Machine Learning Method for Modeling Settling Behavior of a Spherical Particle in Fibrous Drilling Fluids." In SPE Conference at Oman Petroleum & Energy Show. SPE, 2024. http://dx.doi.org/10.2118/218631-ms.

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Abstract In the oil and gas industry, several challenges are possibly encountered during drilling operations which can lead to an increase in the non-productive time. One of these problems is the wellbore cleanout process in extended horizontal wells. Counting on the adjustment of fluid properties to robust the wellbore cleanout becomes a privileged solution while drilling in depleted and deep formations. Fibrous sweep fluid has been exploited to effectively clean the horizontal segment of the wellbore. Understanding the settling of cuttings in drilling fluid is a crucial factor for successful

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Xie, Yonggang, XuHao Fan, Changjing Zhou, et al. "Study on Fracture Initiation and Expansion of Coal Rock by CO2 Foam Fracturing." In 58th U.S. Rock Mechanics/Geomechanics Symposium. ARMA, 2024. http://dx.doi.org/10.56952/arma-2024-1023.

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ABSTRACT: To investigate the crack initiation and propagation mechanism of CO2 foam fracturing coal rock. In this study, experiments were conducted on CO2 foam fracturing of coal rock using custom-designed indoor quasi-triaxial and true-triaxial fracturing equipment. The resulting fracture parameters (fracture area, width, fractal dimension) were quantitatively analyzed through CT scanning and topography scanning. The research investigated the influence of varying foam quality, temperature, and flow rate on the initiation and propagation of fractures in coal rock. The results indicate that wit

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Raporty organizacyjne na temat "Sedimentation Yield"

Wilkins, Justin, Alexandria Barkman, Alexi Meltel, Burton Suedel, and Robert Richmond. Effects of sedimentation on three Hawaiian coral species under laboratory conditions. Engineer Research and Development Center (U.S.), 2023. http://dx.doi.org/10.21079/11681/47541.

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Sedimentation can occur near a dredge operation in pulses over days, and potentially impact coral reefs occurring in close proximity. To improve the ability to predict the effects of dredging on corals, the effects of sedimentation in two 18-day experiments were studied for three common coral species representing different morphologies. In a laboratory setting, coral fragments were exposed to four sedimentation concentrations dosed every four days ranging from 0 to 60 mg cm-2. Separate experiments were performed in series, once with fine grain sediment and repeated with a coarse grain sediment

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Martinez, Melissa. Lab Basics: Mini Centrifuges. ConductScience, 2022. http://dx.doi.org/10.55157/cs20220601.

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Mini centrifuges are compact benchtop centrifuges designed to meet the centrifugation needs of laboratories with limited space. Primarily used for quick spin-downs, they are particularly suitable for microfuge and PCR tubes. Operating on the principle of sedimentation, mini centrifuges separate molecular lab samples based on density. They find applications in various fields like environmental, chemical, molecular biology, and biomedical research, including mixing PCR master mix and microfiltration. Despite their advantages of space efficiency and ease of use, they are not well-suited for high-

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