Academic literature on the topic 'From packing'

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Journal articles on the topic "From packing"

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A., K. Mishra, Rai Sudhir, and S. Aithal P. "Affection from Packing on Impulsive Buying." International Journal of Management, Technology, and Social Sciences (IJMTS) 8, no. 3 (2023): 229–39. https://doi.org/10.5281/zenodo.8245655.

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<strong>Purpose: </strong><em>Buyers may purchase instantly during changing social construct considering the viability of time except for priority purchases.&nbsp; Emotions, desires, and the immediate visual appeal of a product as packaging can leverage these psychological triggers by utilizing captivating colors, typography, imagery, and other design elements that elicit strong emotional responses from consumers. Several theories have justified the high significance of packing influence though under changing social and technical condition its influence on impulsive buying behaviour is not stu
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Specht, Eckard. "A precise algorithm to detect voids in polydisperse circle packings." Proceedings of the Royal Society A: Mathematical, Physical and Engineering Sciences 471, no. 2182 (2015): 20150421. http://dx.doi.org/10.1098/rspa.2015.0421.

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Computer simulations are the primary tool for studying polydisperse particle packings quanti- tatively. For the problem of packing N unequal circles in a larger container circle, nothing is known a priori about the optimal packing (i.e. the packing with the highest packing fraction). Simulations usually start from a random initial configuration with the aim to finish with a dense final packing. Unfortunately, smaller circles often get stuck in trapped positions and prevent the rest of the packing from growing larger. Hence, the knowledge of the structure of unoccupied areas or holes inside a p
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Arias, Jeanine Concepcion H., and Manuel Joseph C. Loquias. "Similarity isometries of point packings." Acta Crystallographica Section A Foundations and Advances 76, no. 6 (2020): 677–86. http://dx.doi.org/10.1107/s2053273320011547.

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A linear isometry R of {\bb R}^{d} is called a similarity isometry of a lattice \Gamma\subseteq{\bb R}^{d} if there exists a positive real number β such that βRΓ is a sublattice of (finite index in) Γ. The set βRΓ is referred to as a similar sublattice of Γ. A (crystallographic) point packing generated by a lattice Γ is a union of Γ with finitely many shifted copies of Γ. In this study, the notion of similarity isometries is extended to point packings. A characterization for the similarity isometries of point packings is provided and the corresponding similar subpackings are identified. Planar
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Khirevich, Siarhei, Alexandra Höltzel, and Ulrich Tallarek. "Validation of Pore-Scale Simulations of Hydrodynamic Dispersion in Random Sphere Packings." Communications in Computational Physics 13, no. 3 (2013): 801–22. http://dx.doi.org/10.4208/cicp.361011.260112s.

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AbstractWe employ the lattice Boltzmann method and random walk particle tracking to simulate the time evolution of hydrodynamic dispersion in bulk, random, monodisperse, hard-sphere packings with bed porosities (interparticle void volume fractions) between the random-close and the random-loose packing limit. Using Jodrey-Tory and Monte Carlo-based algorithms and a systematic variation of the packing protocols we generate a portfolio of packings, whose microstructures differ in their degree of heterogeneity (DoH). Because the DoH quantifies the heterogeneity of the void space distribution in a
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Doroshenko, A., Chen Guangming, K. Shestopalov, and O. Khlieva. "Heat and mass transfer at cooling of gases and liquids in ceramic evaporative cooler. Part I." Physics of Aerodisperse Systems, no. 50 (March 20, 2013): 43–53. http://dx.doi.org/10.18524/0367-1631.2013.50.160299.

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In this part of paper, a method for the determination of the efficiency and limitations of the evaporative cooling process is presented. Ceramic is employed as a packing material in the evaporative equipment. It is shown that the experimental efficiency of the ceramic packing is 10-20% higher as compared to packings made from aluminum foil and multichannel polycarbonate plates because of the absence of traditional liquid film on the packing surface, and due to the absolute wettability of the ceramic packing.
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Giammona, James, and Otger Campàs. "Physical constraints on early blastomere packings." PLOS Computational Biology 17, no. 1 (2021): e1007994. http://dx.doi.org/10.1371/journal.pcbi.1007994.

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At very early embryonic stages, when embryos are composed of just a few cells, establishing the correct packing arrangements (contacts) between cells is essential for the proper development of the organism. As early as the 4-cell stage, the observed cellular packings in different species are distinct and, in many cases, differ from the equilibrium packings expected for simple adherent and deformable particles. It is unclear what are the specific roles that different physical parameters, such as the forces between blastomeres, their division times, orientation of cell division and embryonic con
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Puscaselu (Gheorghita), Roxana, Traian Lucian Severin, and Sonia Amariei. "Use of Biopolymers in Designing Edible Packaging Materials for Food Industry Development of statistical models." Materiale Plastice 56, no. 1 (2019): 198–204. http://dx.doi.org/10.37358/mp.19.1.5151.

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This study aims to develop biodegradable and edible materials based on hydrocolloids and to analyze their physical and mechanical properties for use as food packaging. Edible packings were obtained from a hydrocolloid matrix (agar, starch, sodium alginate), plasticized with glycerol in different proportions (33.33% and 16.7% from the total amount of polysaccharides used). The physical and mechanical properties were analyzed. The best results were obtained with agar- sodium alginate packing, plasticized with the highest amount of glycerol.
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Ramkrishnan, Ramkumar, and Ragupathy Arumugam. "Experimental study of cooling tower performance using ceramic tile packing." Processing and Application of Ceramics 7, no. 1 (2013): 21–27. http://dx.doi.org/10.2298/pac1301021r.

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Deterioration of the packing material is a major problem in cooling towers. In this experimental study ceramic tiles were used as a packing material. The packing material is a long life burnt clay, which is normally used as a roofing material. It prevents a common problem of the cooling tower resulting from corrosion and water quality of the tower. In this study, we investigate the use of three different types of ceramic packings and evaluate their heat and mass transfer coefficients. A simple comparison of packing behaviour is performed with all three types of packing materials. The experimen
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Burda, Y., A. Cherednik, I. Redko, and Y. Pivnenko. "Improving the efficiency of cleaning gas emissions from foundry." Ventilation, Illumination and Heat Gas Supply 35 (December 27, 2020): 21–25. http://dx.doi.org/10.32347/2409-2606.2020.35.21-25.

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The work is devoted to the topical problem of increasing the efficiency of cleaning process of gases in packed-type scrubbers in order to reduce emissions of harmful substances and solid impurities into the atmosphere and improve the technical and economic indicators of wet gas cleaning systems. For this, a triangular cross-cut packing has been developed. Due to the size of the holes and their specific shape, the triangular packing provides longer contact of the packaging with water, which reduces water consumption. The packing is made of alloy steel AISI 316, so it can be used even in the mos
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Ravil Mustafin and Igor Karpilov. "Effect of the Catalyst Shapes and the Packed Bed Structure on the Efficiency of Steam Methane Reforming." Journal of Advanced Research in Fluid Mechanics and Thermal Sciences 104, no. 1 (2023): 124–40. http://dx.doi.org/10.37934/arfmts.104.1.124140.

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One of the promising technologies for on-board hydrogen production is methane steam reforming in reactor with packed bed. The study of the effect of various catalytic packing arrangements on the steam methane reforming process is of considerable interest. The present article analyses the influence of catalyst shapes and packing arrangement on steam methane reforming reactions efficiency. The reformer tube contains several packings with a changing relative position; additionally, two forms of catalysts, a ball and a cylinder, are also used. The pressure drop depending on the packing location, m
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Dissertations / Theses on the topic "From packing"

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Bruneau, Awen. "From packing to consolidation : a numerical model to generate and consolidate random packing of thermoplastic." Electronic Thesis or Diss., Ecole centrale de Nantes, 2025. http://www.theses.fr/2025ECDN0001.

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Le procédé de recyclage Thermosaïc® transforme des patchs discrets en panneaux recyclés. Les patchs sont déposés demanière aléatoire sur un tapis roulant et transportés sous deux presses chauffantes consécutives. Un modèle de dépose est développé pour prédire la géométrie des empilements aléatoires après la dépose. Ce modèle utilise le moteur physique Bullet pour résoudre les équations de contact. Des métriques quantitatives appelées descripteurs d'empilement sont présentées pourdiscriminer et évaluer la qualité des empilements aléatoires. Un dispositif expérimental dédié est construit et prés
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Nieuwoudt, Tania. "Packaging of table grapes for exports from SA : a comparative study." Thesis, Stellenbosch : Stellenbosch University, 2015. http://hdl.handle.net/10019.1/96846.

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Thesis (MComm)--Stellenbosch University, 2015.<br>ENGLISH ABSTRACT: Table grapes are the second-largest contributor to the perishable product export in South Africa. The table grape industry also experienced considerable growth in the past ten years. The industry contributes toward employment in South Africa. The South African table grape industry experiences quality-related problems with exporting table grapes to the European market. Examples of quality related problems can range from chemical damage, chilling injury/freezing damage, heavy bruising and decay. A great amount of table gra
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Muluneh, Melaku. "Soft Colloids from p(NIPAm-co-AAc): Packing Dynamics and Structure." Thesis, Harvard University, 2012. http://dissertations.umi.com/gsas.harvard:10454.

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Traditionally, the experimental model of choice for studying the structure and dynamics of glasses or crystals are hard-sphere colloids. An analogy with molecular or atomic materials is often drawn, in which each colloidal particle represents an atom or a molecule. Making the individual particles deformable allows an even wider range of phenomena to be observed. In this thesis, I report the three-dimensional confocal microscopic study of the structure and dynamics of aqueous suspensions of fluorescently labeled poly(N-Isopropylacrylamide)-co-(Acrylic Acid), or p(NIPAm-co-AAc), microgel particl
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Lamas, Fernandez Carlos. "From archaeology to 3D printing : packing problems in the three dimensions." Thesis, University of Southampton, 2018. https://eprints.soton.ac.uk/423469/.

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This thesis is a study on three cutting and packing problems involving irregular items. These problems are highly relevant in areas such as transportation, additive manufacturing or the garment industry. We investigate a special type of one-dimensional bin packing problem appearing in the industry; a novel problem in two dimensions entailing irregular shapes and free rotations; and an open dimension problem in three dimensions. Our aims are to find strategies to deal with irregular shapes, particularly geometric tools, and solution methods for problems with unusual constraints. In the first pa
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Sakthivel, A. "Crystal structures of cellulose II derived from packing energy minimization by A Sakthivel." Diss., Georgia Institute of Technology, 1987. http://hdl.handle.net/1853/16464.

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Olsson, Jonas. "Solving a highly constrained multi-level container loading problem from practice." Thesis, Linköpings universitet, Optimeringslära, 2017. http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-134430.

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The container loading problem considered in this thesis is to determine placements of a set of packages within one or multiple shipping containers. Smaller packages are consolidated on pallets prior to being loaded in the shipping containers together with larger packages. There are multiple objectives which may be summarized as fitting all the packages while achieving good stability of the cargo as well as the shipping containers themselves. According to recent literature reviews, previous research in the field have to large extent been neglecting issues relevant in practice. Our real-world ap
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Горобець, Б. С., Володимир Альбінович Марцинковський, Владимир Альбинович Марцинковский та Volodymyr Albinovych Martsynkovskyi. "Аналіз осьових коливань торцевого сальникового ущільнення". Thesis, Сумський державний університет, 2016. http://essuir.sumdu.edu.ua/handle/123456789/47161.

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Аксіально-рухома втулка ущільнення разом з кільцем сальникової набивки і пружними елементами є коливальною ланкою і може здійснювати малі осьові коливання щодо положення статичної рівноваги. Тому при певних умовах можуть виникнути коливання аксіально-рухомої втулки ущільнення, які можуть вплинути на вібраційний стан насоса в цілому. Тож метою даної роботи є динамічний розрахунок торцевого сальникового ущільнення, який зводитися до визначення амплітудних і фазових частотних характеристик аксіально-рухомої втулки ущільнення.
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Dai, Weijing. "THERMAL CONDUCTION IN GRANULAR MEDIA: FROM INTERFACE, TOPOLOGY TO EFFECTIVE PROPERTY." Thesis, The University of Sydney, 2018. http://hdl.handle.net/2123/19838.

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Granular media are particulate substance featured by their unique discrete structure, which are commonly seen in daily life and extensively used in industry. Differently from those continuum materials whose properties are mostly defined by their chemical formulas and status, granular media further require clarification about the effects of their topology on their properties. Therefore, effective properties are used to emphasise this distinction in measuring and describing granular media. In this study, we focus on the effective thermal conductivity of generalised gas-filled granular media, whi
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Устименко, М. С., Павло Володимирович Руденко, Павел Владимирович Руденко та Pavlo Volodymyrovych Rudenko. "Комплексный подход в подборе материалов и метода упрочнения основных узлов сальникового уплотнения кислородного компрессора". Thesis, Сумский государственный университет, 2016. http://essuir.sumdu.edu.ua/handle/123456789/46045.

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Fu, Wenjun. "From the conventional MIMO to massive MIMO systems : performance analysis and energy efficiency optimization." Thesis, University of Edinburgh, 2017. http://hdl.handle.net/1842/25672.

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The main topic of this thesis is based on multiple-input multiple-output (MIMO) wireless communications, which is a novel technology that has attracted great interest in the last twenty years. Conventional MIMO systems using up to eight antennas play a vital role in the urban cellular network, where the deployment of multiple antennas have significantly enhanced the throughput without taking extra spectrum or power resources. The massive MIMO systems “scales” up the benefits that offered by the conventional MIMO systems. Using sixty four or more antennas at the BS not only improves the spectru
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Books on the topic "From packing"

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United States International Trade Commission. Molded pulp egg filler flats from Canada: View on remand in investigation no. 731-TA-201 (final). U.S. International Trade Commission, 1988.

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Cavey, Joseph F. Solid wood packing material from China. Animal and Plant Health Inspection Service, U.S. Dept. of Agriculture, 1998.

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Gerardus Joannes Maria Van Wee. Covering codes, perfect codes, and codes from algebraic curves. Wibro Dissertatiedrukkerij, 1991.

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Painter, Rodger. Alaska oysters: Maintaining quality from harvest to half shell : a quality assurance manual for Alaska oyster growers. The Association, 1993.

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Dobree-Carey, P. J. From High School to Uni. 3rd ed. FeedARead.com, 2022.

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Pressure Vessels and Piping Conference (1990 Nashville, Tenn.). Regulatory philosophy and intent of radioactive material transport: Including transport of components from decommissioned nuclear facilities : presented at the 1990 Pressure Vessels and Piping Conference, Nashville, Tennessee, June 17-21, 1990. American Society of Mechanical Engineers, 1990.

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Germany) International Seminar on Radioactive Waste Products (4th 2002 Würzburg. Radioactive waste products 2002: Proceedings of the 4th International Seminar on Radioactive Waste Products held in Würzburg, Germany from 22 to 26 September 2002. Edited by Odoj Reinhard and Forschungszentrum Jülich. Institut für Sicherheitsforschung und Reaktortechnik. Forschungszentrum Jülich, 2003.

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International Seminar on Radioactive Waste Products (3rd 1997 Würzburg, Germany). Radioactive waste products 1997: Proceedings of the 3rd International Seminar on Radioactive Waste Products held in Würzburg, Germany from 23 to 26 June 1997. Edited by Odoj Reinhard. Forschungszentrum Jülich, 1998.

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United States. Congress. House. Committee on Government Operations. Employment and Housing Subcommittee. OSHA's new plan to protect meatpacking workers from repetitive motion hazards: Hearing before the Employment and Housing Subcommittee of the Committee on Government Operations, House of Representatives, One Hundred Second Congress, first session, March 20, 1991. U.S. G.P.O., 1991.

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Katan, L. L. Migration from food contact materials. Springer, 2012.

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Book chapters on the topic "From packing"

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Persltein, Jerry. "Introduction to Packing Patterns and Packing Energetics of Crystalline Self-Assembled Structures." In Crystal Engineering: From Molecules and Crystals to Materials. Springer Netherlands, 1999. http://dx.doi.org/10.1007/978-94-011-4505-3_2.

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Turner, Bruce R. "Packing a Pistol in the Mailroom." In Rising from the Mailroom to the Boardroom. CRC Press, 2021. http://dx.doi.org/10.1201/9781003096047-1.

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Burke, E. K., M. R. Hyde, and G. Kendall. "Evolving Bin Packing Heuristics with Genetic Programming." In Parallel Problem Solving from Nature - PPSN IX. Springer Berlin Heidelberg, 2006. http://dx.doi.org/10.1007/11844297_87.

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Rohde*, Steffen. "Oded Schramm: From Circle Packing to SLE." In Selected Works of Oded Schramm. Springer New York, 2011. http://dx.doi.org/10.1007/978-1-4419-9675-6_1.

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Steurer, Walter, and Sofia Deloudi. "Cluster Packing from a Higher Dimensional Perspective." In Science of Crystal Structures. Springer International Publishing, 2015. http://dx.doi.org/10.1007/978-3-319-19827-9_18.

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Burke, Edmund K., Qiang Guo, and Graham Kendall. "A Hyper-Heuristic Approach to Strip Packing Problems." In Parallel Problem Solving from Nature, PPSN XI. Springer Berlin Heidelberg, 2010. http://dx.doi.org/10.1007/978-3-642-15844-5_47.

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Gómez-Meneses, Pedro, and Marcus Randall. "A Hybrid Extremal Optimisation Approach for the Bin Packing Problem." In Artificial Life: Borrowing from Biology. Springer Berlin Heidelberg, 2009. http://dx.doi.org/10.1007/978-3-642-10427-5_24.

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Biran, Paul. "From Symplectic Packing to Algebraic Geometry and Back." In European Congress of Mathematics. Birkhäuser Basel, 2001. http://dx.doi.org/10.1007/978-3-0348-8266-8_44.

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Renold Elsen, S., R. Bharanidaran, and S. Surendarnath. "Biodegradable Composites from Leaf Wastes for Packing Applications." In Lecture Notes in Mechanical Engineering. Springer Singapore, 2019. http://dx.doi.org/10.1007/978-981-13-6374-0_28.

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Niinemets, Ülo, and Niels P. R. Anten. "Packing the Photosynthetic Machinery: From Leaf to Canopy." In Photosynthesis in silico. Springer Netherlands, 2009. http://dx.doi.org/10.1007/978-1-4020-9237-4_16.

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Conference papers on the topic "From packing"

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Santos, André, Nuno Ferreira Duarte, Atabak Dehban, and José Santos-Victor. "Learning the Sequence of Packing Irregular Objects from Human Demonstrations: Towards Autonomous Packing Robots." In 2024 10th IEEE RAS/EMBS International Conference for Biomedical Robotics and Biomechatronics (BioRob). IEEE, 2024. http://dx.doi.org/10.1109/biorob60516.2024.10719974.

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Li, Guohua, and Randy Dinata. "Achieving Stable Hydrogen Deliveries from Renewable Sources in Pipelines." In CONFERENCE 2024. AMPP, 2024. https://doi.org/10.5006/c2024-20942.

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Abstract Hydrogen production from a renewable energy source (e.g., solar and wind farms) via electrolysis can fluctuate significantly due to power variability. However, a stable hydrogen delivery is crucial for processes requiring hydrogen as a feedstock such as ammonia synthesis plants. Ensuring a steady hydrogen flow into these chemical plants via a pipeline can be a challenge. Hydraulic transient models can be utilized to design a pipeline system promoting stable delivery flows. Three example cases representing fluctuating renewable power sources of solar, wind, and combined solar and wind
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Balslev, Ivar, and Ren‰ D. Eriksen. "From belt picking to bin packing." In Optomechatronic Systems III, edited by Toru Yoshizawa. SPIE, 2002. http://dx.doi.org/10.1117/12.467380.

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Yang, Jian, Qiuwang Wang, and Min Zeng. "Numerical Study of Flow and Heat Transfer in Novel Structure Packed Beds." In ASME 2009 Heat Transfer Summer Conference collocated with the InterPACK09 and 3rd Energy Sustainability Conferences. ASMEDC, 2009. http://dx.doi.org/10.1115/ht2009-88145.

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A forced convection heat transfer inside micro pores of structure packed beds with spherical or ellipsoidal particles are numerically studied in this paper. Three-dimensional Navier-Stokes equations and RNG k-ε turbulence model with scalable wall function are adopted for present computations. The effects of packing form and particle shape are carefully studied and the flow and heat transfer performances in uniform and nonuniform packed beds are also compared in detail. The macroscopic hydrodynamic and heat transfer results are obtained from micro pore cells by using integrating method. The res
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Aste, T., G. Delaney, and T. Di Matteo. "Understanding complex matter from simple packing models." In Microelectronics, MEMS, and Nanotechnology, edited by Derek Abbott, Tomaso Aste, Murray Batchelor, Robert Dewar, Tiziana Di Matteo, and Tony Guttmann. SPIE, 2007. http://dx.doi.org/10.1117/12.759030.

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Zaleski, T. E., and J. F. Donovan. "Gravel Packing Operations From a Floating Vessel." In SPE Formation Damage Control Symposium. Society of Petroleum Engineers, 1986. http://dx.doi.org/10.2118/14816-ms.

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Koring, Reinhard. "Industrial Application of Research Results of Packings on Safety Relevant Valves in Nuclear Power Plants." In ASME 2006 Pressure Vessels and Piping/ICPVT-11 Conference. ASMEDC, 2006. http://dx.doi.org/10.1115/pvp2006-icpvt-11-93700.

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In a NPP approximately 380 safety relevant valves are installed. The main requirements are the safety and operational availability as well as a adequate leak tightness of the sealings and stem packings. Based upon the research results of the MPA-Stuttgart, Germany on packing features specific procedures for handling, assembly and maintenance of packings and analytical inputs for the design calculation have been developed. Depending on the valve size, especially on the stem diameter, the packing influences the necessary stem force for the closing and opening function due to the amount of fricti
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Garcia, André F., Jose C. Veiga, Luiz P. Romano, and Carlos D. Girão. "Evaluation of Packing Drag on Knife Valves for Actuator Sizing." In ASME 2015 Pressure Vessels and Piping Conference. American Society of Mechanical Engineers, 2015. http://dx.doi.org/10.1115/pvp2015-45773.

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Knife Gate Valves (KGV) are one of many types of valves available in the fluid control industry. Initially used for handling slurry, KGV gradually became popular in many other engineering applications. Most of these valves are characterized by a particular stuffing box shape that require a rectangular packing installation, not so conventional in valve sealing designs where packings are installed around a cylindrical stem. The actuation methods used with KGV’s are many, from purely mechanical to pneumatic and electrically actuated. The design of those actuators is most dependent of the friction
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Corrales-Díaz, Rogelio, and Luis A. Gutierrez-Rodriguez. "Lagrangian approach for optimization problems in bin packing." In MOL2NET'22, Conference on Molecular, Biomedical & Computational Sciences and Engineering, 8th ed. - MOL2NET: FROM MOLECULES TO NETWORKS. MDPI, 2022. http://dx.doi.org/10.3390/mol2net-08-13886.

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Utrera, Gladys, Montse Farreras, and Jordi Fornes. "Task Packing: Getting the Best from MPI Unbalanced Applications." In 2017 25th Euromicro International Conference on Parallel, Distributed and Network-based Processing (PDP). IEEE, 2017. http://dx.doi.org/10.1109/pdp.2017.51.

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Reports on the topic "From packing"

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Smith, R. A. Volatile Components from Packing Matrials, Rev. 2. Office of Scientific and Technical Information (OSTI), 2006. http://dx.doi.org/10.2172/974247.

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Chirachanchai, Suwabun. A Novel ion extraction material derived from silica surface modified silybenzoxazine derivatives via host-guest properties. Chulalongkorn University, 2001. https://doi.org/10.58837/chula.res.2001.81.

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Silylbenzoxazine derivatives with different bulky group on benzene ring are synthesized employing aminosilane as a primary amine. The silylbenzoxazine derivatives with more bulky group exhibit low ion extraction percentage due to the difficulty of molecular assembly formation as a result of the bulky group repulsion combining with the long alkyl chain of silane. Silica surface modified benzoxazines are successfully achieved via silylbenzoxazine derivatives and show the ion extraction property for various alkali and alkaline earth metal ions. When silane is coupled onto silica, the benzoxazine
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Johnson, Derek, and Nigel Clark. PR-746-22602-R01 In-situ Cost-Effective Detection and Quantification of Emission from Vents. Pipeline Research Council International, Inc. (PRCI), 2023. http://dx.doi.org/10.55274/r0000039.

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The Pipeline Research Council International, Inc. (PRCI) seeks to reduce greenhouse gas (GHG) from leaks and equipment emissions from all parts of the hydrocarbon transport and storage infrastructure. Specifically, there is a need to identify and compare cost-effective technologies that can detect and quantify leaks or emissions from compressor rod packing and seals, scrubber dumps, and blowdown valves. Furthermore, regulations are increasingly prescriptive and are moving from conventional leak detection and repair (LDAR) programs to direct quantification and/or period/continuous monitoring of
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Evens, Tim, Pol Vanwersch, Sylvie Castagne, and Albert Van Bael. Material selection for injection molding hollow microneedles. Universidad de los Andes, 2024. https://doi.org/10.51573/andes.pps39.gs.im.4.

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Hollow microneedles are designed to perform intradermal medical substance delivery or fluid extraction, with polymers standing out as cost-effective materials for mass production via injection molding. However, existing research lacks a comparative analysis of different polymers in terms of processability and performance in skin penetration tests. This study addresses this gap by evaluating hollow microneedles fabricated from five biocompatible thermoplastic materials: polycarbonate (PC), polybutylene terephthalate (PBT), polylactic acid (PLA), polyamide 12 (PA12), and glass-fiber reinforced p
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Johnson, Derek, and Nigel Clark. PR-746-22204-R01 Review of Technologies to Enable In-situ Valve Service to Reduce Methane Emissions. Pipeline Research Council International, Inc. (PRCI), 2024. http://dx.doi.org/10.55274/r0000058.

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Leaking gas industry valve stem seals are recognized as a substantial source of atmospheric methane, which is a greenhouse gas. Newly proposed regulations include methane alongside volatile organic compound emissions, with leak detection and repair requirements. If a leak is identified a first attempt at repair must occur no later than five calendar days after identification, or else be justifiably delayed. The objective of this report is to review valve technology and methods used to address in-situ valve stem leak repair that offers an economical solution with reduced service disruption. A w
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Coulson, Wendy, and James McCarthy. PR-312-16202-R02 GHG Emission Factor Development for Natural Gas Compressors. Pipeline Research Council International, Inc. (PRCI), 2018. http://dx.doi.org/10.55274/r0011488.

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The U.S. EPA Greenhouse Gas (GHG) Reporting Program (GHGRP) requires compressor stations and underground storage facilities to measure compressor vent, rod packing, and seal emissions for facilities subject to 40 CFR, Part 98, Subpart W. The objective of the project is to gather and evaluate 2011 - 2016 Subpart W compressor vent and seal methane emissions data from site measurements, and present final results of an analysis to develop methane Emission Factors (EFs) based on these data. The EFs and analysis of relative contribution from different sources can be used: (1) as alternatives to curr
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Hilhorst, Marieke, Sara Caliari, Wouter Post, Lambertus J. Kuijpers, and Fresia Alvarado Chacon. Thin films from modified Poly(glycolic acid) with excellent water vapor barrier. Universidad de los Andes, 2024. https://doi.org/10.51573/andes.pps39.gs.farp.1.

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Commercial biodegradable polymers that combine high oxygen and water vapor barrier properties are scarce. In the packaging industry multilayer materials are usually used to achieve the barrier requirements, however they are usually not recyclable and will not biodegrade when discarded. The outstanding barrier properties of poly(glycolic acid) (PGA) make it an excellent candidate for a biodegradable oxygen and water vapor barrier packaging material. At the same time, its processability into films using standard converting equipment is a major challenge. Low melt strength, high processing temper
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Lembert, Michael, Kristi Cooper-Pabros, Warren Comerford, et al. IMPLEMENTATION AND SOLUTIONS OVERVIEW FROM A PACKAGING PERSPECTIVE. BioPhorum, 2021. http://dx.doi.org/10.46220/2021ff001.

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Fråne, Anna, Åsa Stenmarck, Søren Løkke, Malin zu Castell Rüdenhausen, Hanne L. Raadal, and Margareta Wahlström. Guidelines to increased collection of plastic packaging waste from households. Nordic Council of Ministers, 2015. http://dx.doi.org/10.6027/anp2015-712.

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Lembert, Michael, Kristi Cooper-Pabros, Warren Comerford, et al. Electronic product information Implementation and solutions overview from a packaging perspective. BioPhorum, 2021. http://dx.doi.org/10.46220/2021ff003.

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