Academic literature on the topic 'Direction de transport de sédiment'

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Journal articles on the topic "Direction de transport de sédiment"

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Alla, Amani Jonas, N’Goran Jean Paul Yao, Diby Ferdinand Yao, and Zéli Bruno Digbehi. "Caractérisation Lithologique, Hydrosédimentaire Et Cartographie des Aquifères par la Méthode des Indices d’Évolution : Cas de la Recharge des Aquifères de Bonoua (Sud-Est Côte d’Ivoire)." European Scientific Journal, ESJ 20, no. 9 (2024): 214. http://dx.doi.org/10.19044/esj.2024.v20n9p214.

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Ce travail avait pour objectif de déterminer la typologie et la source probable de recharge des aquifères rencontrés à Bonoua en vue d’une meilleure gestion de ceux-ci. Les travaux ont utilisé des échantillons de forages prélevés à Bonoua au Sud-Est de la Côte d’Ivoire. L’étude lithologique a révélé des sables, des argiles sableuses et des argiles bariolées. Les sables constituent l’essentiel des aquifères. La détermination des indices d’évolution totale (Nt) et segmentaire (Ns) a illustré trois aquifères. La variation de ces indices a révélé une direction NW-SE des paléocourants. Les indices
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Mudroch, A., and S. R. Joshi. "Géochimie et distribution de métaux à l'intérieur de carottes de sédiment prises du lac Saint-Louis (fleuve Saint-Laurent) et datées par radioactivité." Revue des sciences de l'eau 4, no. 1 (2005): 1–17. http://dx.doi.org/10.7202/705087ar.

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La distribution de la grosseur des particules, la composition géochimique et la concentration en métaux (Cu, Cr, Pb, Co, V, Ni, Hg et Zn) furent déterminés dans des carottes datées (à l'aide de matériel radioactif) provenant du lac Saint-Louis et du fleuve Saint-Laurent. Environ 20 cm de sédiments fins se sont accumulés durant les 30 dernières années à deux endroits situés à proximité du centre du lac. Par contre, une couche de sédiment de 20 cm d'épaisseur s'est déposée pendant les cinq dernières années à deux différents endroits de la partie sud du lac. Les profils de concentration des éléme
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Toure, Mamadou, Aby Atsé Mathurin Saimon, and Yao Alexis N’Guessan. "Dynamique du Littoral de Vridi-Port-Bouët (Abidjan, Côte d’Ivoire) : Caractérisation Géomorphologique et Sédimentologique." European Scientific Journal, ESJ 19, no. 30 (2023): 200. http://dx.doi.org/10.19044/esj.2023.v19n30p200.

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Cette étude porte sur la caractérisation géomorphologique et sédimentologique du secteur littoral de Vridi-Port-Bouët pour une révision des connaissances acquises en vue d’une meilleure compréhension des réponses morphologiques dans un contexte mondial de changement climatique sur un domaine littoral fortement dynamique. Pour ce faire, trois campagnes bimestrielles de levés topographiques de 7 profils cross shore de plage ont été réalisées à l’aide d’un niveau de chantier. Des sédiments ont été prélevés sur 4 profils à différents niveaux de l’estran (haut, mi et bas estran) dans le but de déte
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Bouheniche, Salaheddine, and Bénina Touaibia. "Modélisation numérique du transport solide du système « barrage - cours d’eau, transport - déposition » : cas du barrage de Sidi Mohamed Ben Aouda (SMBA) sur l’oued Mina, en zone semi-aride." Revue des sciences de l’eau 26, no. 1 (2013): 21–31. http://dx.doi.org/10.7202/1014916ar.

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Résumé Les besoins en eau, en perpétuelle croissance, nécessitent une mobilisation des eaux de surface. La construction de barrages, menacés par un envasement précoce, nécessite une exploitation rationnelle, moyennant des outils d’aide à la quantification et à la prédiction des dépôts de sédiments. Ainsi, le comblement des retenues peut être simulé pour différentes périodes d’exploitation. La maîtrise du processus transport-déposition des sédiments, constitue un centre d’intérêt vers lequel convergent plusieurs approches : prédiction, modélisation stochastique et modélisations mathématique et
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Es-Sette, Btissame, Youssef Ajdor, Fatiha Zidane, Abdelbassit Fakhraddine, and Ali Foutlane. "Évolution des métaux traces dans les eaux de l'oued Sebou en période humide — Approche par modélisation mathématique." Water Quality Research Journal 40, no. 2 (2005): 222–32. http://dx.doi.org/10.2166/wqrj.2005.025.

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Abstract Cet article présente les résultats d'un modèle de transport des métaux traces développé pour l’étude de la pollution par le chrome et le nickel dans l'oued Sebou. Ce modèle, associé à un modèle hydrodynamique unidimensionnel, est représenté par un schéma conceptuel tenant compte des phénomènes physiques et chimiques dans l'eau et le sédiment, tels que l'adsorptiondésorption, la sédimentation, la remise en suspension, la sédimentation profonde et la diffusion. Ces processus sont traduits en équations mathématiques faisant appel à des schémas numériques minimisant la dispersion numériqu
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Alexander, Ian, and Phil Mcmanus. "A New Direction for Perth Transport?" Urban Policy and Research 10, no. 4 (1992): 6–13. http://dx.doi.org/10.1080/08111149208551528.

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Stout, John E. "Detecting patterns of aeolian transport direction." Journal of Arid Environments 107 (August 2014): 18–25. http://dx.doi.org/10.1016/j.jaridenv.2014.04.001.

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Zhang, W., T. Zhu, W. Yang, et al. "Aircraft measurements of gases pollutants and particles during CAREBeijing-2008: distributions, characteristics and influencing factors." Atmospheric Chemistry and Physics Discussions 13, no. 1 (2013): 2877–912. http://dx.doi.org/10.5194/acpd-13-2877-2013.

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Abstract. Measurements of gaseous pollutants, including ozone (O3), sulfur dioxide (SO2), nitrogen oxides (NOx = NO + NO2), carbon monoxide (CO), particle number concentrations (5.6–560 nm and 0.47–30 μm), and meteorological parameters (T, RH, P) were conducted during the Program of Campaigns of Air Quality Research in Beijing and Surrounding Region (CAREBeijing) from 27 August through 13 October 2008. The data of total 18 flights (70 h flight time) from the ground to 2100 m were obtained by a Yun-12 aircraft in the southern surrounded areas of Beijing (38° N–40° N, 114° E–118° E). This measur
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Ren, Shi Wei. "The Spin Transport of the Coblt Dimers with Different Directions." Applied Mechanics and Materials 543-547 (March 2014): 3947–50. http://dx.doi.org/10.4028/www.scientific.net/amm.543-547.3947.

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In this paper, the spin transport properties of the coblt dimers parrallel to the transport direction and perpendicular to ransprot direction are investigated by using the first principle analysis. Calculation shows that both the coblt dimers parrallel to the transport direction and perpendicular to ransprot direction give obvious spin polarized density of states and current. It is found that the dimer parrallel to the transport direction have larger spin polarization current.The spin polarized efficiency for the parrallel dimer increase steadily with the increase of the bias voltage. But the
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Narayana, A. C., and K. Pandarinath. "Sediment Transport Direction Derived from Grain-Size Statistics on the Continental Shelf Off Mangalore, West Coast of India." Journal Geological Society of India 38, no. 3 (1991): 293–98. http://dx.doi.org/10.17491/jgsi/1991/380306.

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Abstract Grain-size statistics are employed in sediment transport studies. The alongshore transport of sediment in shallow regions (30-50m depth) and deeper regions (>l50m depth) is in north and south directions, whereas in the depth range of 50-75m, the sediment transport direction is towards the south. The onshore-offshore sediment transport study reveals that the sediment transport direction is towards onshore where fluvial influence is absent and the direction is towards both onshore and offshore where the fluvial influence is prevalent. The studies further reveal the different ener
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Dissertations / Theses on the topic "Direction de transport de sédiment"

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Baville, Paul. "Stratigraphic correlation uncertainty : On the impact of the sediment transport direction in computer-assisted multi-well correlation." Electronic Thesis or Diss., Université de Lorraine, 2022. http://www.theses.fr/2022LORR0111.

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La modélisation du sous-sol est un moyen de prédire la structure et la connectivité des unités stratigraphiques en honorant les observations de subsurface. Ces observations sont en général échantillonées le long de puits à grande échelle horizontale (kilomètre) mais à petite échelle verticale (mètre). Il y a deux types de données de puits : (1) les diagraphies, qui correspondent à des acquisitions géophysiques quasi-continus (échatillonage régulier) le long du puits (e.g., gamma ray, sonic, porosité neutron), et (2) les régions, qui correspondent à des propriétés réservoir discrètes définies p
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Tran, Thu Tam. "Modélisation numérique de l'interaction houle-courant-sédiment." Université Joseph Fourier (Grenoble), 1995. http://www.theses.fr/1995GRE10210.

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Le frottement exerce par l'ecoulement sur un fond plat lisse est calcule a l'aide d'un modele de fermeture turbulente de type k-l en 1dv. Les resultats generalises sous une forme parametrique permettent de calculer rapidement les frottements maximum et moyen pour toutes les combinaisons d'un courant et d'une houle colineaires ou obliques. La distribution verticale et la variation temporelle de sediment en suspension sur un fond rugueux sont examinees par une autre version de ce meme modele. Les comparaisons intensives avec les experiences montrent les limites et les applications possibles de c
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Nagel, Tim. "Étude numérique des interactions multi-échelles écoulement-sédiment-structure par une approche multiphasique." Thesis, Université Grenoble Alpes (ComUE), 2018. http://www.theses.fr/2018GREAI050/document.

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Le travail réalisé dans cette thèse a consisté en le développement et l'utilisation des modèles numériques pour étudier les interactions multi-échelles entre une éolienne offshore et la dynamique locale océanique et sédimentaire. Dans une première partie, les interactions entre le système couplé océan-sédiment et le sillage atmosphérique généré par une turbine éolienne offshore sont étudiées à l'aide d'un modèle numérique 2D développé au cours de la thèse et écrit en fortran. Ce modèle résout les équations de Barré-De-Saint-Venant pour l'océan et l'équation d'Exner pour le sédiment. Dans un se
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Wissocq, Aubéry. "Etude du transport réactif de Sr et Cs dans un sédiment gréso-argileux carbonaté du site de Cadarache." Thesis, Université Paris-Saclay (ComUE), 2017. http://www.theses.fr/2017SACLE027/document.

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Dans le cadre du suivi environnemental de ses installations en conditions nominales d’exploitation ou en situation accidentelle, le CEA doit assurer la mise en place de méthodes et d’outils opérationnels permettant de mesurer, contrôler et prédire les rejets de ses installations dans l’atmosphère, les sols et les nappes. Cette thèse s’inscrit ainsi dans la mise en place d’un outil de transport réactif permettant de prédire la migration de radionucléides en concentration trace tels que 90Sr et 137Cs, les principaux radionucléides d’intérêt, dans les sols et les roches. L’objectif de cette thèse
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Morgane, Houssais. "Étude expérimentale du transport en rivière par charriage d'un sédiment bimodal : vers un modèle général du transport à plusieurs tailles de grains." Phd thesis, Institut de physique du globe de paris - IPGP, 2013. http://tel.archives-ouvertes.fr/tel-00880876.

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Malgré les nombreux travaux menés sur le transport par charriage depuis le siècle dernier, comprendre l'effet de l'interaction des différentes tailles de grains composant le lit des rivières reste une gageure. Au cours de ces travaux nous étudions par l'approche expérimentale l'influence de la distribution des tailles de grains sur le transport par charriage dans la configuration simple d'une lit de sédiment composé de deux tailles de grains uniquement. Ces grains sont en quartz et respectivement de tailles D1 = 0.7 ± 0.1mm and D2 = 2.2 ± 0.4mm. Les expériences ont été réalisées dans un canal
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Houssais, Morgane. "Etude expérimentale du transport en rivière par charriage d'un sédiment bimodal : vers un modèle général du transport à plusieurs tailles de grains." Paris 7, 2013. http://www.theses.fr/2013PA077074.

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Malgré les nombreux travaux menés sur le transport par charriage depuis le siècle dernier, comprendre l'effet de l'interaction des différentes tailles de grains composant le lit des rivières reste une gageure. Au cours de ces travaux nous étudions par l'approche expérimentale l'influence de la distribution des tailles de grains sur le transport par charriage dans la configuration simple d'une lit de sédiment composé de deux tailles de grains uniquement. Ces grains sont en quartz et respectivement de tailles Di = 0. 7 ± 0. 1mm and D2 = 2. 2 ± 0. 4mm. Les expériences ont été réalisées dans un ca
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Van, Do Lan Anh. "Modélisation du transport de sédiments mixtes sable-vase et application à la morphodynamique de l'estuaire de la Gironde (France)." Phd thesis, Université Paris-Est, 2012. http://pastel.archives-ouvertes.fr/pastel-00862365.

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Cette étude tente de modéliser les taux de transport de sédiments et l'évolution du lit dans un milieu estuarien complexe : l'estuaire de la Gironde, caractérisé par une grande hétérogénéité dans la composition des sédiments de lit, avec la présence de sédiments cohésifs et non-cohésifs ainsi que des mélanges sablo-vaseux. Notre objectif principal est d'étendre un modèle morphodynamique 2D développé par Huybrechts et al. (2012b) pour les sédiments non-cohésifs, afin de tenir compte de la présence de la vase et d'établir une étape préliminaire pour un modèle morphodynamique de sédiment mixte. N
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Nguyen, Duc Hau. "Interaction fluides-particules solides à l'interface eau-sédiment : Une approche de modélisation diphasique : Une approche de modélisation diphasique." Caen, 2011. http://www.theses.fr/2011CAEN2085.

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Ce travail est consacré à l'étude de l'interaction fluide-particule à l'interface eau-sédiment par une approche de modélisation diphasique. La Décomposition Orthogonale aux valeurs Propres (POD) est utilisée pour l'analyse des résultats numériques. L'approche diphasique diffère de l'approche dite classique en résolvant les équations de conservation de la masse, de quantité de mouvement et de transport pour l'énergie cinétique turbulente séparément pour chaque phase. Les interactions entre le fluide et les particules sont alors représentées par des termes de transfert entre les deux phases. Deu
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Bleau, Daniel Alexandre. "Transport de sédiments en rivière graveleuse affectée par des couverts de glace." Mémoire, Université de Sherbrooke, 2017. http://hdl.handle.net/11143/11093.

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La présente génération sera confrontée à des changements climatiques importants et nous devrons vivre avec leurs impacts sur les phénomènes naturels, dont les régimes d’écoulement en rivière ainsi que le cycle de la glace fluviale. Ces impacts vont à leur tour engendrer d’autres conséquences sur les cours d’eau, comme les modifications à la géomorphologie des rivières et les impacts sur les patrons de sédimentation et d’érosion des cours d’eau. Dans ce contexte, deux biefs de la rivière Stoke, un cours d’eau a lit de gravier, situés respectivement au rang 11 et au rang 12 de la ville de Stok
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Raus, David. "Transport sédimentaire sur rugosités immobiles : de l'hydrodynamique locale à la morphodynamique." Phd thesis, Toulouse, INPT, 2018. http://oatao.univ-toulouse.fr/23587/1/Raus_David.pdf.

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Cette étude, en partenariat avec l'AFB (Agence Française pour la Biodiversité), a pour objectif decomprendre le devenir des sédiments qui ont été bloqués dans des barrages hydrauliques. Lorsdes « chasses » (lâchers massifs d’eau) réalisées pour assurer la continuité écologique des coursd'eau avec retenues, une certaine quantité de sédiments est relarguée en aval de la retenue, cessédiments sont ensuite transportés sur un fond de rugosités immobiles à différentes échelles(gravier, galets, rochers). L'objectif de cette thèse est donc d'étudier comment la présence degrains grossiers et immobiles
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Books on the topic "Direction de transport de sédiment"

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Bell, Sandra. Accessible transport in East London: Moving in the right direction. CILT, 1998.

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Adesanya, Adesoji. Declining fortunes of rail transport in Nigeria: Response and direction of policy. Nigerian Institute of Social and Economic Research, 2002.

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Agency, European Environment, ed. Are we moving in the right direction?: Indicators on transport and environment integration in the EU. European Environment Agency, 2000.

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Carlzon, Jan. Renversons la pyramide [pour une nouvelle répartition des rôles dans l'entreprise]. InterÉditions, 1986.

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Carlzon, Jan. Renversons la pyramide. InterÉditions, 1986.

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Mitrohin, Nikolay, and Aleksey Pavlov. Repair and disposal of land transport-technological means. INFRA-M Academic Publishing LLC., 2020. http://dx.doi.org/10.12737/1009392.

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In the textbook the definition and classification ground transport-technological means, the fundamentals of the organization of repair and considered in detail processes of repair, recovery and disposal of parts of land transport-technological means.
 Meets the requirements of Federal state educational standards of higher education of the last generation.
 For undergraduate students in areas of training "Exploitation of transport and technological machines and complexes" and "engineering", as well as to students of specialist degrees in the direction of training "Ground transport-tec
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Evstaf'ev, Andrey, Aleksandr Maznev, Dmitriy Pegov, Anton Sychugov, and Vitaliy Vasil'ev. Structures and electrical equipment for high-speed ground transport. INFRA-M Academic Publishing LLC., 2021. http://dx.doi.org/10.12737/1012744.

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The issues of the history of the development of high-speed transport, the principles of operation and the device of mechanical and electrical equipment, the features of maintenance and operation of modern high-speed trains are considered.
 Meets the requirements of the federal state educational standards of higher education of the latest generation.
 It is intended for students of railway transport universities studying in the specialty "Rolling Stock of railways" and the direction "Electric power and electrical Engineering", and can also be useful for engineering and technical worke
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Harlamova, Yuliya. The struggle for Eurasia in the focus of transport geostrategies. INFRA-M Academic Publishing LLC., 2021. http://dx.doi.org/10.12737/1243826.

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The monograph examines the problems that play an important role in the processes of constructing transport geostrategies on the Eurasian continent. In the processes of redrawing the world's spaces, the transport sphere (along with financial and information) often acts as a catalyst for modern transformations. It is emphasized that thanks to transport networks, the economy on a global scale is structured in a completely specific way. To increase the potential of any state and society (the peoples living in it), the creation of conditions for communication community (in the broadest sense) is an
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Limited, Fleet Technology. A question of energy : significance of marine transportation and future directions in marine R&D =: Une question d'énergie : rapport final portée du transport maritime et direction de la recherche et du développement à l'avenir. Canadian Coast Guard Fisheries and Oceans = Garde Côtière Canadienne, Pêche et Océans, 1999.

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Vallejo Maldonado, Pablo Ramon, and Nikolay Chaynov. Kinematics and dynamics of automobile piston engines. INFRA-M Academic Publishing LLC., 2019. http://dx.doi.org/10.12737/989072.

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The fundamentals of kinematics and dynamics of transport piston internal combustion engines made using different layout schemes are presented. Along with the traditional in-line, V-shaped, including oppositional, arrangement of cylinders, schemes with "staggered" arrangement of cylinders in the block at the displaced connecting rod necks of the crankshaft of the engine are considered. The kinematics of the coaxial crank mechanism is considered in detail. The questions of dynamics with reduction of calculated dependences of forces, moments, a choice of a rational order of work of cylinders in r
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Book chapters on the topic "Direction de transport de sédiment"

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Shiraishi, Naoto. "Direction of Transport." In Fundamental Theories of Physics. Springer Nature Singapore, 2023. http://dx.doi.org/10.1007/978-981-19-8186-9_13.

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Bonavia, Michael R. "Reversing Direction: The 1953 Act." In The Nationalisation of British Transport. Palgrave Macmillan UK, 1987. http://dx.doi.org/10.1007/978-1-349-08793-8_17.

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Campo, Alexandre, Shervin Nouyan, Mauro Birattari, Roderich Groß, and Marco Dorigo. "Negotiation of Goal Direction for Cooperative Transport." In Ant Colony Optimization and Swarm Intelligence. Springer Berlin Heidelberg, 2006. http://dx.doi.org/10.1007/11839088_17.

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Abeyratne, Ruwantissa. "Legal Legitimacy of ICAO and Direction to Be Taken." In Regulation of Commercial Space Transport. Springer International Publishing, 2014. http://dx.doi.org/10.1007/978-3-319-12925-9_6.

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Cooper, Kevin, and P. M. Prenter. "Multi-Boundary Alternating Direction Collocation Schemes for Computing Ideal Flows over Bodies of Arbitrary Shape Using Cartesian Coordinates." In Transport Theory. CRC Press, 2023. http://dx.doi.org/10.1201/9781003420064-25.

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Wu, Tingting, Shuming Huang, Shaoquan Ni, and Rong Kuang. "Connotation and Direction of Urban Rail Transport Integration." In Advances in Smart Vehicular Technology, Transportation, Communication and Applications. Springer International Publishing, 2018. http://dx.doi.org/10.1007/978-3-030-04582-1_34.

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Zonn, Igor S., and Aleksander V. Semenov. "Iranian Direction of Hydrocarbon Transport: Present State and Difficulties." In Oil and Gas Pipelines in the Black-Caspian Seas Region. Springer International Publishing, 2015. http://dx.doi.org/10.1007/698_2015_385.

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Deng, Jun Jie, and Hong-In Cheng. "Push and Pull Workload Due to Delivery Trolley and Transport Direction." In Springer Series in Design and Innovation. Springer Nature Singapore, 2025. https://doi.org/10.1007/978-981-96-8904-0_56.

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Ashabranner, L. B., E. K. Tripsanas, and R. C. Shipp. "Multi-direction Flow in a Mass-Transport Deposit, Santos Basin, Offshore Brazil." In Submarine Mass Movements and Their Consequences. Springer Netherlands, 2010. http://dx.doi.org/10.1007/978-90-481-3071-9_20.

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Rakhmangulov, Aleksandr, Aleksander Sładkowski, Nikita Osintsev, Olesya Kopylova, and Natalja Dyorina. "Sustainable Development of Transport Systems for Cargo Flows on the East-West Direction." In Transport Systems and Delivery of Cargo on East–West Routes. Springer International Publishing, 2018. http://dx.doi.org/10.1007/978-3-319-78295-9_1.

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Conference papers on the topic "Direction de transport de sédiment"

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Myskiv, Galyna, and Оlesya Irshak. "Development of Hydrogen Transport as a Direction for Decarbonizing the Transportation System." In Transport Means. KTU leidykla "Technologija„, 2024. https://doi.org/10.5755/e01.2351-7034.2024.p484-487.

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Taguchi, Hirokazu, Akihisa Koga, Yuta Murakami, Joji Nasu, and Hiroki Tsuchiura. "Field-direction Dependence of Majorana-mediated Spin Transport." In Proceedings of the 29th International Conference on Low Temperature Physics (LT29). Journal of the Physical Society of Japan, 2023. http://dx.doi.org/10.7566/jpscp.38.011152.

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Piton, Guillaume. "Prise en compte des blocs rocheux et du tri granulométrique pour une analyse plus réaliste des risques torrentiels." In Fachtagung Wildbäche 2024: Modellierung von Wildbachprozessen. Swiss Federal Institute for Forest, Snow and Landscape Research, WSL, 2024. http://dx.doi.org/10.55419/wsl:37773.

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Les crues torrentielles sont caractérisées par un transport très intense de sédiment et d’éventuels blocs rocheux par charriage ou lors d’épisodes de laves torrentielles. L’obs­truction des ouvrages par les blocs est difficile à prédire mais peut avoir des effets significatifs sur la répartition spatiale des dépôts. Ce court article décrit synthéti­quement un nouvel outil accessible en ligne (sur le site platrisk.ige.inrae.fr), nommé MCB³ (Modeling of Clo­gging by Boulders of Barriers and Bridges – Modélisa­tion de l’obstruction par les blocs des barrages et ponts). Cet outil permet des modéli
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Sellan, Daniel P., Joseph E. Turney, Eric S. Landry, Alan J. H. McGaughey, and Cristina H. Amon. "Phonon Transport in Thin Films: A Lattice Dynamics/Boltzmann Transport Equation Study." In 2010 14th International Heat Transfer Conference. ASMEDC, 2010. http://dx.doi.org/10.1115/ihtc14-22623.

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The cross-plane and in-plane phonon thermal conductivities of Stillinger-Weber (SW) silicon thin films are predicted using the Boltzmann transport equation under the relaxation time approximation. We model the thin films using bulk phonon properties obtained from harmonic and anharmonic lattice dynamics calculations. The cross-plane and in-plane thermal conductivities are reduced from the corresponding bulk value. This reduction is more severe for the cross-plane direction than for the in-plane direction. For the in-plane direction, we find that the predicted reduction in thermal conductivity
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Vladimirov, R. L., and V. I. Vargunin. "APPLICATION OF EXOSKELETONS AS A FUTURE DIRECTION OF TRANSPORT DEVELOPMENT." In II International Conference "Innovations and development patterns in Technical and Natural Sciences". Premier Publishing s.r.o., 2018. http://dx.doi.org/10.29013/ii-conf-innov-pp-2-58-63.

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Koppensteiner, Gottfried, Munir Merdan, Ingo Hegny, and Gabriel Weidenhausen. "A change-direction-algorithm for distributed multi-agent transport systems." In 2008 IEEE International Conference on Mechatronics and Automation (ICMA) (Formerly ICIMA). IEEE, 2008. http://dx.doi.org/10.1109/icma.2008.4798900.

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Roberts, N. A., and D. G. Walker. "Phonon Transport in Asymmetric Sawtooth Nanowires." In ASME/JSME 2011 8th Thermal Engineering Joint Conference. ASMEDC, 2011. http://dx.doi.org/10.1115/ajtec2011-44341.

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Thermal transport in asymmetric sawtooth nanowires was investigated. The boundaries reflect phonons differently depending on the frequency and momentum of the phonon. These systems show thermally rectifying behavior when the boundary reflections are a function of both the direction the phonon is traveling and the frequency of the phonon. This rectifying effect could be useful for thermal management applications at all size scales, but would have to be built up from the nanoscale because of a strong dependence on the device aspect ratio and the Knudsen number of the system. Monte Carlo simulati
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Fang, Xiaopeng, Yimin Xuan, and Qiang Li. "Anisotropic Thermal Transport in Magnetic Fluids." In ASME 2009 Second International Conference on Micro/Nanoscale Heat and Mass Transfer. ASMEDC, 2009. http://dx.doi.org/10.1115/mnhmt2009-18254.

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The inhomogeneous morphology of magnetic fluid may appear in the presence of an external magnetic field, which shows the structure controllability of magnetic fluid and will lead to anisotropic thermal transport inside the magnetic fluid. Based on the microstructure of magnetic fluid and considering the effect of nanolayer, a model for the thermal conductivity of the magnetic fluid has been developed. The anisotropic thermal transport inside the magnetic fluid is investigated by the present method. The results show that in the presence of an external magnetic field the particles form chainlike
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Mitra, Toorban, and Krushna Mohan Pattanaik. "LINKING LEADERSHIP INTEGRITY - DEPRESSION, ANXIETY AND STRESS (DAS) AMONG SAILING INDIAN MARINE ENGINEERS DURING COVID-19." In Maritime Transport Conference. Universitat Politècnica de Catalunya. Iniciativa Digital Politècnica, 2024. http://dx.doi.org/10.5821/mt.12832.

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Modern-day leadership demands competencies to embrace challenges and uncertainties as a part of a working career. Uncertainties bring in many unknown outcomes and a loss of direction to any team. This is much acknowledged when the unknown outcomes are affecting the team spirit and, in turn, organisational sustainability. Leadership integrity is a watershed to handle such uncertainties with positive outcomes. Like in any other business domain, uncertainties are part of the business in shipping. However, there are specific instances in the nature of COVID-19 that came with many challenges, like
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Keanini, Russell. "Particle Transport in Quasistatic Stokes Flow." In ASME 1999 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 1999. http://dx.doi.org/10.1115/imece1999-1217.

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Abstract Particle transport associated with quasistatic second-order streaming flow in wavy-walled channels is theoretically investigated. Small amplitude tangential oscillations of both walls drive steady second-order streaming, while superposed, large-amplitude oscillations of one wall produce the time-dependent, quasisteady flows of interest. Short-time transport is characterized by collective particle motion in the direction of large-scale boundary displacement and by filamentary motion in the opposite direction, both consistent with transport in traveling waves [E. Moses and V. Steinburg,
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Reports on the topic "Direction de transport de sédiment"

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Jury, William A., and David Russo. Characterization of Field-Scale Solute Transport in Spatially Variable Unsaturated Field Soils. United States Department of Agriculture, 1994. http://dx.doi.org/10.32747/1994.7568772.bard.

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This report describes activity conducted in several lines of research associated with field-scale water and solute processes. A major effort was put forth developing a stochastic continuum analysis for an important class of problems involving flow of reactive and non reactive chemicals under steady unsaturated flow. The field-scale velocity covariance tensor has been derived from local soil properties and their variability, producing a large-scale description of the medium that embodies all of the local variability in a statistical sense. Special cases of anisotropic medium properties not alig
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ROCHEVA, OLGA, RIMMA ZARIPOVA та IRINA MOROZOVA. СОВРЕМЕННОЕ РАЗВИТИЕ СЕВЕРНОГО МОРСКОГО ПУТИ И ЕГО ЗНАЧИМОСТЬ ДЛЯ ЭКОНОМИКИ РОССИИ. Science and Innovation Center Publishing House, 2019. http://dx.doi.org/10.12731/2070-7568-2020-4-4-208-214.

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Foreign transport structures are currently interested in transit and fuel transportation in the North. However this direction doesn’t get the development due to imperfection of the normative-legal base regulating this process and insufficient state support of the mainline work. Another important obstacle is the lack of consistency of domestic norms with the standards of international maritime law and low level of shipping safety, typical of our country.
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Watkins, Graham George. Approaches to the Assessment and Implementation of Sustainable Infrastructure Projects in Latin American and the Caribbean. Inter-American Development Bank, 2014. http://dx.doi.org/10.18235/0009232.

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This paper discusses innovative approaches to implementing the Bank's Sustainable Infrastructure Strategy in the region. It describes the challenge of infrastructure in LAC, overviews approaches to sustainable infrastructure, describes Bank sustainable infrastructure activities, and begins the process of describing an integrated approach to sustainable infrastructure. This paper does not enter into the details of indicators and metrics for sustainable infrastructure, but it does look at criteria across the energy, transport, and water and sanitation sectors in both urban and non-urban contexts
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Rice, J. M., M. Ross, H E Campbell, R. C. Paulen, and M. B. McClenaghan. Net evolution of subglacial sediment transport in the Quebec-Labrador Sector of the Laurentide Ice Sheet, Quebec and Newfoundland and Labrador. Natural Resources Canada/CMSS/Information Management, 2023. http://dx.doi.org/10.4095/332151.

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The interior of the Laurentide Ice Sheet (LIS) had a dynamic polythermal base. However, the subglacial thermal organization of the LIS and its evolution throughout glaciation are poorly constrained. Specifically, the net effect of ice divide migration on subglacial processes and the resulting landforms and sediments remains poorly understood. The results of a regional-scale till sampling program within the interior of the Quebec-Labrador sector of the LIS were used to explore dispersal patterns across a region known to have experienced ice divide migration. Indicator mineral and clast litholog
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Bulmer-Thomas, Victor. Belize's Regional Integration Options: Guatemala and Mexico. Inter-American Development Bank, 2017. http://dx.doi.org/10.18235/0009368.

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Export-led growth is the most sustainable way for Belize to raise its long-run rate of growth of GDP per head to meet the aspirations of its people and to put external debt servicing on a more secure basis. Expanding exports of goods and services to Guatemala and Mexico would be a useful step in this direction. This can be done by emphasizing tourism and non-travel services to Guatemala and Mexico which could help to increase the value of exports. Other services, such as transport, business outsourcing and finance, also have potential for expansion. Key recommendations to promote trade with Gu
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Hynd, David, Caroline Wallbank, Jonathan Kent, et al. Costs and Benefits of Electronic Stability Control in Selected G20 Countries. TRL, 2020. http://dx.doi.org/10.58446/lsrg3377.

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This report, commissioned by Bloomberg Philanthropies, finds that 42,000 lives could be saved and 150,000 serious injuries prevented by 2030 if all new cars in seven G20 countries were required to be equipped with an inexpensive crash avoidance technology starting in 2020. Thirteen G20 counties currently adhere to United Nations regulations on electronic stability control (ESC). If the seven remaining countries—Argentina, Brazil, China, India, Indonesia, Mexico and South Africa—also mandated ESC in 2020, the report estimates $21.5 billion in economic benefit to those countries from the prevent
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Nelli, Linnea, Maria Enrica Virgillito, and Marco Vivarelli. A Twin Transition or a policy flagship? Emergent constellations and dominant blocks in green and digital technologies. UNU-MERIT, 2025. https://doi.org/10.53330/bfvc9329.

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The aim of this paper is to understand whether what has been labelled as “twin transition”, at first as a policy flagship, endogenously emerges as a new technological trajectory stemming by the convergence of the green and digital technologies. Embracing an evolutionary approach to technology, we first identify the set of relevant technologies defined as “green”, analyse their evolution in terms of dominant blocks within the green technologies and concurrences with digital technologies, drawing on 560,720 granted patents by the US Patent Office from 1976 to 2024. Three dominant blocks emerge a
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Ziegler, Nancy, Nicholas Webb, Adrian Chappell, and Sandra LeGrand. Scale invariance of albedo-based wind friction velocity. Engineer Research and Development Center (U.S.), 2021. http://dx.doi.org/10.21079/11681/40499.

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Obtaining reliable estimates of aerodynamic roughness is necessary to interpret and accurately predict aeolian sediment transport dynamics. However, inherent uncertainties in field measurements and models of surface aerodynamic properties continue to undermine aeolian research, monitoring, and dust modeling. A new relation between aerodynamic shelter and land surface shadow has been established at the wind tunnel scale, enabling the potential for estimates of wind erosion and dust emission to be obtained across scales from albedo data. Here, we compare estimates of wind friction velocity (u*)
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Bhushan, Shanti, Greg Burgreen, Wesley Brewer, and Ian Dettwiller. Assessment of neural network augmented Reynolds averaged Navier Stokes turbulence model in extrapolation modes. Engineer Research and Development Center (U.S.), 2025. https://doi.org/10.21079/11681/49702.

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A machine-learned model enhances the accuracy of turbulence transport equations of RANS solver and applied for periodic hill test case. The accuracy is investigated in extrapolation modes. A parametric study is also performed to understand the effect of network hyperparameters on training and model accuracy and to quantify the uncertainty in model accuracy due to the non-deterministic nature of the neural network training. For any network, less than optimal mini-batch size results in overfitting, and larger than optimal reduces accuracy. Data clustering is an efficient approach to prevent the
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Hollick, Rosemary J., Michelle Stevenson, Michael Parker, et al. Mapping for Better Care: Supporting service planning for people with rheumatic and musculoskeletal conditions. RHEUMAPS study / University of Aberdeen, 2025. https://doi.org/10.57064/2164/25119.

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Rheumatic and musculoskeletal disorders (RMDs) affect approximately one-third of the UK population, yet access to timely and equitable care remains inconsistent. National audits have highlighted significant variations in service provision and health outcomes, shaped by individual socio-demographic characteristics and place-based factors. Rural populations, comprising around 20% of the UK, face unique challenges due to geographic remoteness, centralised specialist services, and an ageing demographic. Workforce constraints and service accessibility further exacerbate these disparities, limiting
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