Academic literature on the topic 'Sieving ratio'

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Journal articles on the topic "Sieving ratio"

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Shi, Jun, Ya Yu Huang, Shi Chang Han, Bin Xing Hu, and Guo Wei Xie. "Fitting Method Research of Sieving Parameters of Vibration Screen and Sieving Efficiency Based on DEM." Advanced Materials Research 655-657 (January 2013): 20–23. http://dx.doi.org/10.4028/www.scientific.net/amr.655-657.20.

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Nowadays, many scholars attach importance to how sieving parameters of vibration screen influence sieving efficiency. The traditional research of screening theory and technology depended on the screening test that consumed a lot of human labour, material resources and money.DEM software EDEM was used to establish the simulation model of screening in this paper. Five simulation particle shapes were built base on real shapes of stone particle. After completing 20 groups simulation, sieving efficiency were calculated based on ratio of undersize in feeding and undersize. The formula of sieving par
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Krakover, Shaul, and Andrea Corsale. "Sieving tourism destinations: Decision-making processes and destination choice implications." Journal of Tourism, Heritage & Services Marketing 7, no. 1 (2021): 33–43. https://doi.org/10.5281/zenodo.4518923.

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<strong><em>Purpose</em></strong><em>: To introduce and define the concept of sieving tourism destinations as an umbrella term representing faster decision-making processes compared to destination choice models, and to demonstrate its usefulness for both sides of consumption and production of tourism attractions.</em> <strong><em>Methods</em></strong><em>: Fast decision at the consumers&rsquo; demand side is demonstrated via an exploratory graphic model. Producers&rsquo; supply side sieving is measured by observing data elimination on two public serving internet platforms compared to a baselin
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Ur Rehman, Waheed, Amin Ur Rehman, Faridullah Khan, Amir Muhammad, and Mohammad Younas. "Studies on Beneficiation of Manganese Ore through High Intensity Magnetic Separator." Advances in Sciences and Engineering 12, no. 1 (2020): 21–27. http://dx.doi.org/10.32732/ase.2020.12.1.21.

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Upgradation techniques like wet sieving and magnetic separation were used to evaluate the beneficiation potential of manganese ore. During wet sieving, manganese content in raw ore was upgraded from 27% to a maximum value of 38% in the concentrate with a recovery of 30%. Size classification was found to have no measurable effect on manganese grade in magnetic separation. In the unsieved ground ore, manganese content of 45% was achieved with a recovery of 23% and Mn/Fe ratio of 19% at a magnetic intensity of 8500 Gauss. At the same operating conditions, SiO2 was reduced from 56% in the raw ore
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Wei, Dao Xin, Li Bian, and Bao Lin Zhu. "Research on High Blending Ratio of RAP Hot Recycling Plant." Applied Mechanics and Materials 361-363 (August 2013): 1645–49. http://dx.doi.org/10.4028/www.scientific.net/amm.361-363.1645.

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Analyze two problems why blending ratio of plant-mixed RAP generally cannot be more than 40% to 50%. Prove pre-heating and sieving of RAP is a key technology to solve the problems. Design a high blending ratio of RAP recycling plant. Through construction of high blending ratio of RAP Hot recycling plant and testing pavement proved that applied ratio of RAP in hot plant mixed recycled can be increased to more than 70%.
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Bian, Li, Bao Lin Zhu, Tong Wang, and Dao Xin Wei. "Optimized Design of Plant-Mixed Recycled Materials with High Blending Ratio of RAP." Advanced Materials Research 779-780 (September 2013): 151–55. http://dx.doi.org/10.4028/www.scientific.net/amr.779-780.151.

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Analyze two problems why blending ratio of plant-mixed RAP generally cannot be more than 40% to 50%. Prove pre-heating and sieving of RAP is a key technology to solve the problems. The test of blending ratio and construction of testing road has proved that applied ratio of RAP in hot recycling plant can be increased to more than 70%.
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Avrampos, Panagiotis, and George-Christopher Vosniakos. "A Simulation Study on Sieving as a Powder Deposition Method in Powder Bed Fusion Processes." Materials 17, no. 14 (2024): 3382. http://dx.doi.org/10.3390/ma17143382.

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Powder deposition of even and homogeneous layers is a major aspect of every powder bed fusion process. Powder sieving is commonly performed to powder batches outside of the PBF machine, prior to the part manufacturing stage. In this work, sieving is examined as a method of powder deposition rather than a method to solely filter out agglomerates and oversized particles. Initially, a DEM powder model that has been validated experimentally is implemented, and the sieving process is modelled. The sieving process is optimized in order to maximize mass flow, duration of its linear stage and total ma
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Lau, A. H., K. Pyle, N. O. Kronfol, and C. R. Libertin. "Removal of Cephalosporins by Continuous Arteriovenous Ultrafiltration (CAVU) and Hemofiltration (CAVH)." International Journal of Artificial Organs 12, no. 6 (1989): 379–83. http://dx.doi.org/10.1177/039139888901200606.

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Cephalosporins are used with increasing frequency for sepsis treatment in patients receiving CAVU and CAVH. The different cephalosporins share the same basic molecular structure, yet they exhibit varied extent of plasma protein binding. Different amounts of the antibiotics may be removed by the ultrafiltration procedure because of these variations of physicochemical properties. We evaluated the sieving of eight new cephalosporins across the hemofilter membrane using an in vitro model. Bovine blood was perfused through polysulfone membranes at blood and ultrafiltrate flow rates of 100 and 20 ml
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Ikechukwu, Ijeoma, Bethrand Nwankwojike, and Ibiam Abam. "Economic viability assessment of Bambara nut milling-sieving machine." Poljoprivredna tehnika 47, no. 1 (2022): 79–88. http://dx.doi.org/10.5937/poljteh2201090i.

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A novel continuous process milling-sieving machine specially developed recently for processing Bambara nut to flour was assessed for economic viability in this study with multi-criteria cost-benefit analysis measures in order to advance its acceptance and commercialization. This involved determination and assessment of its payback period, accounting rate of return, net present value and benefit cost ratio using the prevailing economic indicators/market prices of materials in Abia State of Nigeria between January and December, 2020. The decision measures applied include that the payback period
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Bartley, Paul C., Brian E. Jackson, and William C. Fonteno. "Effect of particle length to width ratio on sieving accuracy and precision." Powder Technology 355 (October 2019): 349–54. http://dx.doi.org/10.1016/j.powtec.2019.07.016.

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Chen, Zhiquan, Xin Tong, and Zhanfu Li. "Numerical Investigation on the Sieving Performance of Elliptical Vibrating Screen." Processes 8, no. 9 (2020): 1151. http://dx.doi.org/10.3390/pr8091151.

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Screening techniques have been widely deployed in industrial production for the size-separation of granular materials such as coal. The elliptical vibrating screen has been regarded as an excellent screening apparatus in terms of its high screening efficiency and large processing capacity. However, its fundamental mechanisms and operational principles remain poorly understood. In this paper, the sieving process of an elliptical vibrating screen was numerically simulated based on the discrete element method (DEM), and an approach coupling the DEM and the finite element method (DEM–FEM) was intr
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Book chapters on the topic "Sieving ratio"

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Crook, Tim. "Radio Drama and the Avant-Garde: Lance Sieveking 1934, the Second Manifesto." In Palgrave Studies in Sound. Springer Singapore, 2020. http://dx.doi.org/10.1007/978-981-15-8241-7_3.

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Fonseca Joana, Reyes-Aldasoro Constantino Carlos, and Wils Laure. "Three-dimensional quantification of the morphology and intragranular void ratio of a shelly carbonate sand." In Advances in Soil Mechanics and Geotechnical Engineering. IOS Press, 2015. https://doi.org/10.3233/978-1-61499-601-9-551.

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Shelly carbonate sands represent an extreme soil type in terms of their mechanical behavior which derives from the bioclastic nature of the constituent grains. In their uncemented form, these deposits exhibit very high compressibility, which has posed a number of geotechnical engineering problems; in most cases related to the reduction in the bearing capacities of both shallow and deep foundations. Remarkable features of these carbonate sands include the complex shape and the structural weakness of the grains and the high inter and intra granular porosity. Previous studies, have quoted the int
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"5.7 Lance Sieveking: from The Stuff of Radio." In Early Radio. Edinburgh University Press, 2023. http://dx.doi.org/10.1515/9781474485166-061.

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"A Theatre for the Ear." In Early Radio, edited by Emilie Morin, translated by Emilie Morin, Marielle Sutherland, and Nicoletta Asciuto. Edinburgh University Press, 2023. http://dx.doi.org/10.3366/edinburgh/9781474485142.003.0006.

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Part Five, ‘A Theatre for the Ear,’ focuses on radio drama – a genre developed by design as well as accident. The texts included in Part Five discuss how radio might move away from the broadcast play taken from the theatre repertory, and broadcast without fundamental modifications to its form, towards dramatic forms created especially for the microphone, able to take into account the listeners’ needs and radio’s technical limitations. The authors include George Bernard Shaw, Augustin Habaru, René Christauflour, R. E. Jeffrey, Rolf Gunold, Gabriel Germinet, Lance Sieveking, Tristan Bernard, Han
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Conference papers on the topic "Sieving ratio"

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Abdelaal, Ahmed, Salaheldin Elkatatny, and Ahmed M. Abd El Fattah. "A Non-Portland Cement System: A Step Forward Towards Sustainability of Oil Well Cementing." In SPE Annual Technical Conference and Exhibition. SPE, 2023. http://dx.doi.org/10.2118/214788-ms.

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Abstract Although ordinary Portland cement (OPC) is widely used in oil well cementing for different applications such as zonal isolation and plugging, it does have technical and environmental drawbacks. Portland cement is responsible for approximately 8% of the global carbon dioxide (CO2) emissions and consumes massive energy while manufacturing. Geopolymer cements, which are made from non-traditional, nonOPC ingredients, have garnered attention as potential candidates for oil well cementing due to their low CO2 footprint, and less energy consumption. This work introduces a proposed non-Portla
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Pinti, Marie, and Shaurya Prakash. "Fabrication of Hybrid Micro-Nanofluidic Devices With Centimeter Long Ultra-Low Aspect Ratio Nanochannels." In ASME 2013 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2013. http://dx.doi.org/10.1115/imece2013-65763.

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Hybrid microfluidic and nanofluidic devices have a variety of applications including water desalination, molecular gates and DNA sieving among several other lab-on-chip uses. Most microfluidic and nanofluidic devices currently are fabricated in glass, silicon, polydimethylsiloxane (PDMS), or with a combination of these materials. In order to impart functionality, metals, polymers or auxiliary components are often integrated with these devices. Ultra-low aspect ratio channels have several advantages including critical dimensions on the nanoscale but increased throughput compared to higher aspec
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Humplik, Thomas, Tahar Laoui, and Evelyn N. Wang. "Transport Across Sub-Nanometer Zeolite Pores for Water Desalination." In ASME 2010 8th International Conference on Nanochannels, Microchannels, and Minichannels collocated with 3rd Joint US-European Fluids Engineering Summer Meeting. ASMEDC, 2010. http://dx.doi.org/10.1115/fedsm-icnmm2010-30836.

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The molecular sieving capability of zeolites, alumino-silicate minerals with 3–8 Å diameter pores, promises an efficient method to remove salt from seawater. In this work, we synthesized and characterized MFI zeolites with a nominal pore diameter of 5.6 Å with varying Si/Al ratio from 23 to infinity to alter the wetting properties. We subsequently performed pressure infiltration tests with the synthesized zeolites suspended in water to investigate the effect of wetting properties on water transport in the pores. Water sorption isotherms were obtained that show distinct infiltration stages of w
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Lores, Asier, Naiara Azurmendi, Iñaki Leizaola, and Iñigo Agote. "Zero Waste Binder Jetting Process: Study Of The Reusability Of The Rejected Part Powder." In Euro Powder Metallurgy 2023 Congress & Exhibition. EPMA, 2023. http://dx.doi.org/10.59499/ep235764981.

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Binder Jetting Additive Manufacturing is renowned for its high powder reusability ratio, reaching near 100 % for certain alloys. This technology offers an advantage over thermal-based methods, such as laser or electron beams, which can degrade or sinter the surrounding powder particles, diminishing the reusability ratio. However, during the setup and production of parts, defects may occur, leading to the direct rejection of certain printed components. The objective of this work is to investigate the feasibility and impact of reusing powder from rejected parts, aiming to achieve zero waste and
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Seong, B. G., S. Y. Hwang, and J. M. Park. "Sialon Coating from Sintered Mixtures of Silicon Nitride and Oxides." In ITSC2003, edited by Basil R. Marple and Christian Moreau. ASM International, 2003. http://dx.doi.org/10.31399/asm.cp.itsc2003p0719.

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Abstract Silicon nitride and sialons are very attractive materials for thermal spaying, but the high temperatures of spray processes lead to their decomposition instead of melting. Therefore, the use of these materials as protective coatings has been very restricted. Nevertheless, researchers have tried to provide silicon nitride-based coatings using metallic or oxide binders. Oxide binder additions to silicon nitride have been quite successful. In this paper, mixtures of silicon nitride and oxides were prepared for the thermal spraying of silicon nitride-based materials by using a detonation
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Brennan, D. A., T. W. Bacha, Ü. Tiitma, F. M. Haas, and J. F. Stanzione. "Systematic Study of the Effects of Powder Preconditioning on Flowability and Deposition in Polymer Cold Spray." In ITSC2022. DVS Media GmbH, 2022. http://dx.doi.org/10.31399/asm.cp.itsc2022p0683.

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Abstract The cold spray process is sensitive to variations in feedstock and requires consistent powder properties, particularly flowability, to produce uniform structures. Poor powder flow causes a cascade of effects arising from erratic feeding including deposits with void spaces and inconsistent geometries. These issues result in deposits which are not suitable for testing and prevent sample replication, hindering experimental evaluation of deposits. Powder flowability is largely affected by the material preconditioning and storage conditions; with flowability directly affecting the deposit
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