Academic literature on the topic 'Alliages de fer'

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Journal articles on the topic "Alliages de fer"

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Marcon, G., and S. Lay. "Lacune de miscibilité du système Fe-NiAl en relation avec les propriétés physiques des alliages. II. Alliages riches en fer." Revue de Métallurgie 96, no. 2 (February 1999): 155–62. http://dx.doi.org/10.1051/metal/199996020155.

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Randrianantoandro, N., E. Jedryka, J. M. Greneche, A. Slawska-Waniesk, and H. K. Lachowicz. "Etude par spectrométrie Mossbauer de phase nanocristalline dans des alliages de fer-amorphe." Revue de Métallurgie 90, no. 9 (September 1993): 1197. http://dx.doi.org/10.1051/metal/199390091197.

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MATHON, M. H., F. MAURY, A. BARBU, N. SMETNIANSKY, N. LORENZELLI, C. H. DE NOVION, and F. BOUE. "Etude de la précipitation du cuivre sous irradiation électronique dans des alliages dilués à base de fer." Le Journal de Physique IV 04, no. C3 (February 1994): C3–193—C3–197. http://dx.doi.org/10.1051/jp4:1994327.

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Coudurien, Lucien, Didier Pique, and Nicolas Eustathopoulos. "Étude expérimentale et théorique de la mouillabilité du fer solide par des alliages de brasure à base d’argent." Journal de Chimie Physique 84 (1987): 205–7. http://dx.doi.org/10.1051/jcp/1987840205.

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Belkebir, A., and A. Kobylanski. "Lois de Comportement à chaud avec Recristallisation Dynamique. Application au cas des Alliages à Base de Fer Pur." Le Journal de Physique IV 05, no. C3 (April 1995): C3–165—C3–175. http://dx.doi.org/10.1051/jp4:1995314.

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Bezut, Alex, Benjamin Jagou, Patrice Herbin, Virginie Pilard, and Denis Gaillard. "L’atelier métallurgique gallo-romain de la route de Crèvecœur à Cambrai : une attestation du travail conjoint des alliages cuivreux et du fer." Revue du Nord 433, no. 5 (2019): 73. http://dx.doi.org/10.3917/rdn.433.0073.

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Berthod, Patrice, Ahmed Dia, Moussa Ba, Pierre Lemoine, and Pascal Villeger. "Microstructures et duretés d’alliages ternaires de type M-30%CR-0 à 5%C contenant une quantité croissante de carbures de chrome. partie 2 : alliages à base de fer." Annales de chimie Science des Matériaux 36, no. 1 (February 28, 2011): 27–36. http://dx.doi.org/10.3166/acsm.36.27-36.

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GAFFET, E., G. DELUZE, G. MARTIN, and J. M. PELLETIER. "ETUDE MICROSTRUCTURALE DE L'AMORPHISATION SUPERFICIELLE D'UN ALLIAGE BASE FER, IRRADIE PAR LASER CO2CONTINU." Le Journal de Physique Colloques 48, no. C7 (December 1987): C7–131—C7–134. http://dx.doi.org/10.1051/jphyscol:1987723.

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Pontevichi, S., F. Bosselet, O. Dezellus, M. Peronnet, D. Rouby, and J. C. Viala. "Chimie d'interface du couple fer/alliage Al-Si (13,5 % Si) : aspects théoriques et appliqués." Journal de Physique IV (Proceedings) 122 (December 2004): 75–80. http://dx.doi.org/10.1051/jp4:2004122011.

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Bleijerveld, Jeroen F. J., Dwayne D. Gremler, and Jos G. A. M. Lemmink. "Service alliances between unequals: the apple does not fall far from the better tree." Journal of Service Management 26, no. 5 (October 19, 2015): 807–22. http://dx.doi.org/10.1108/josm-06-2015-0183.

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Purpose – Brand alliances take various forms, yet academic research has not investigated how value spillovers differ between partners. The purpose of this paper is to address psychological mechanisms to uncover consumers’ perceptions of a service alliance when a strong service brand partners with a weak one. Design/methodology/approach – An experiment used a 2 (perceived value of parent brand X: high vs low)×2 (perceived value of parent brand Y: high vs low)×2 (alliance contribution: equal vs unequal) full-factorial between-subjects design. Findings – Service alliance value is maximal when both parent brands have high perceived value but is lowest when both are of low perceived value. When their perceived value varies, the alliance value approximates the higher rather than the lower value parent. This effect increases with the relative size of a parent brand’s contribution to the alliance service. Alliances also enhance perceptions of the value of each parent brand. Practical implications – In an alliance between a strong and a weak service brand, the strong brand lifts the alliance, and consumers perceive high value. Companies should avoid service alliances with weaker brands that make major contributions. Originality/value – This study investigates how value spillovers vary across different forms of service alliances. Moreover most alliance research focusses on products while services (such as education) are more involved in alliances than ever.
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Dissertations / Theses on the topic "Alliages de fer"

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Bicha-Benkirat, Dalila. "Pouvoir thermoélectrique du fer et des alliages fer-azote et fer-carbone." Lyon, INSA, 1985. http://www.theses.fr/1985ISAL0062.

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Le but de l’étude était de déterminer les relations entre les variations du pouvoir thermoélectrique (PTE), mesuré à 20°C ou en fonction de la température, et l’état microstructure du fer et des alliages fer-azote et fer-carbone. La première partie concerne f’effet de l’écroussiage du der pur, de la restauration et de la recristallisation, ainsi que l’influence du carbone et de l’azote en solution solide : les dislocations et les atomes interstitiels réduisent essentiellement la composante de réseau du PTE. La deuxième partie porte sur les cinétiques de précipitation des nitrures et carbures de fer. Pour interpréter les variations du PTE on considère que cette propriété est sensible essentiellement à la teneur résiduelle en azote ou en carbone en solution solide ; Différentes techniques complémentaires sont utilisées : frottement intérieur, résistivité, microscopie électronique. Les différents stades de précipitation sont mis en évidence : - formation de Fe₁₆N₂ puis Fe₄N dans le fer-azote, - formation de la phase ε puis de Fe₃C dans le fer-carbone, un stade inital précédent la formation de la phase ε semble confirmé par nos résultats.
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Benkirat, Dalila. "Pouvoir thermoélectrique du fer et des alliages fer-azote et fer-carbone." Grenoble : ANRT, 1985. http://catalogue.bnf.fr/ark:/12148/cb37594492m.

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Laurent, Christophe. "Contribution à l'étude de nanocomposites à matrice céramique. Alumine-alliages fer-chrome et alumine-zircone-fer et alliages fer-chrome." Toulouse 3, 1994. http://www.theses.fr/1994TOU30017.

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Les nanocomposites alumine-metal, dans lesquels les particules metalliques nanometriques sont dispersees dans la matrice ceramique possedent des proprietes mecaniques superieures a celles de l'alumine pure ou renforcee par des particules metalliques micrometriques. L'elaboration de poudres nanocomposites alumine-fer, alumine-chrome et alumine-alliages fer-chrome a ete realisee par calcination puis reduction selective sous hydrogene de solutions solides d'oxydes obtenues par decomposition de precurseurs oxaliques mixtes. Une etude de l'influence des temperatures de calcination et de reduction sur la formation des nanocomposites alumine-fer a ete menee, notamment par spectroscopie mossbauer, mettant en evidence plusieurs modes de formation du fer metallique. Cette etude a ete etendue aux alliages fer-chrome, et il est montre que les particules metalliques les plus petites sont les plus riches en chrome. La localisation des nanoparticules metalliques, intragranulaire ou en surface des grains d'alumine, a ete mise en evidence par thermogravimetrie et correlee a la teneur en metal. Des composites massifs ont ete prepares par frittage sous charge des poudres nanocomposites. Les meilleures proprietes mecaniques (charge a rupture et tenacite) sont obtenues pour des composites hybrides ou la phase metallique est dispersee a la fois sous forme de particules nanometriques a l'interieur des grains d'alumine et sous forme de particules micrometriques situees aux joints de grains de la matrice. Le choix approprie des temperatures de calcination et de reduction des poudres permet d'optimiser les caracteristiques mecaniques. L'oxydation sous air de ces materiaux est negligeable jusqu'a 1000c; au-dela, les nanocomposites contenant du chrome sont plus stables que les nanocomposites alumine-fer. Des composites hybrides alumine-zircone-fer et alumine-zircone-alliages fer-chrome ont ete elabores par quatre methodes. Suivant la microstructure obtenue, il y a amelioration des proprietes mecaniques par rapport a celles des nanocomposites alumine-metal, ou bien annihilation partielle des differents mecanismes de renforcement
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Bertoncini, Patricia. "Structure et propriétés magnétiques de couches minces de fer et d'alliages de fer-cobalt épitaxiées sur Si(001)." Mulhouse, 2000. http://www.theses.fr/2000MULH0622.

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Nous étudions la structure et les propriétés magnétiques de couches minces de Fe et d'alliages Fe-Co déposées sur Si(001) par épitaxie par jets moléculaires. L'épitaxie de films de Fe est réalisée à température ambiante (TA) en utilisant une couche tampon FeSi2 ou CoSi2. La diffraction de photoélectron, la diffraction d'électrons lents, la diffraction d'électrons d'énergie moyenne diffusés inélastiquement et la microscopie électronique en transmission montrent que le fer adopte une structure cubique centrée (cc) contrainte. Les films relaxent progressivement lorsque l'épaisseur augmente. Les mesures de photoémission et de diffusion d'ions indiquent qu'un siliciure de stoechiométrie Fe3Si se forme à l'interface avec la couche tampon. Du fer pratiquement pur croît par dessus, avec une faible ségrégation de silicium jusqu'à 40 monocouches (MC). Des mesures de susceptibilité et de magnétométrie SQUID montrent que les films de 3 MC ont une température de Curie de 75 K et une aimantation hors du plan. A TA, les films sont ferromagnétiques à partir de 4 MC. Ceux de plus de 4 MC, évaporés à la normale, ont leur aimantation dans le plan et une anisotropie de symétrie quatre. La constante d'anisotropie effective est mesurée par effet Kerr magnéto-optique en fonction de l'épaisseur. Elle devient négative en dessous d'une épaisseur critique de l'ordre de 20 MC. Avec le modèle d'interaction de paires de Néel, l'origine de ce comportement a été attribuée à la contrainte compressive biaxiale dans le plan existant dans le film pour des épaisseurs ≤20 MC. Finalement, des films d'alliage Fe1−xCox ont été préparés par co-évaporation sur Si(001) en utilisant la technique de la couche tampon. En plus des films stables (x ≤ 0,75), des alliages métastables cc (0,75 ≤ x ≤ 1) sont stabilisés en dessous d'une épaisseur dépendant de la composition. Pour 10 MC et plus, ces films d'alliage sont ferromagnétiques à TA pour toutes les stoechiométries.
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Suéry, Michel. "Métallurgie et rhéologie des alliages superplastiques biphasés." Metz : Université Metz, 2008. ftp://ftp.scd.univ-metz.fr/pub/Theses/1979/Suery.Michel.SMZ7903.pdf.

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Nyassi, Abdelhamid. "Contribution à l'étude du comportement d'un alliage ferritique dans des milieux gazeux complexes (oxydant-sulfurant) à haute température." Dijon, 1985. http://www.theses.fr/1985DIJOS030.

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Analyse du comportement d'un alliage ferritique Fe-22,5 Cr-4,5 al dans différents milieux corrosifs à haute temperature. Etude cinétique et morphologique et détermination du mécanisme de corrosion en fonction de l'atmosphère gazeuse
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Benkaddour, Abdelkhalek. "Proprietes des defauts d'irradiation dans des alliages austenitiques fer-chrome-nickel et des alliages ferritiques fer-chrome : influence de la teneur en chrome." Paris 6, 1987. http://www.theses.fr/1987PA066144.

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Etude par mesure de resistivite electrique, de l'influence de la teneur en chrome sur la production et la migration des defauts ponctuels dans les alliages fe-25%ni-8 a 16%cr(% en poids) et fe-5 a 15%atcr soumis a une irradiation par electrons a 21k. Influence d'un recuit sur ces defauts d'irradiation. Interpretation des resultats par un modele de restauration
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Benkaddour, Abdelkhalek. "Propriétés des défauts d'irradiation dans des alliages austénitiques fer-chrome-nickel et des alliages ferritiques fer-chrome influence de la teneur en chrome /." Grenoble 2 : ANRT, 1987. http://catalogue.bnf.fr/ark:/12148/cb37602846c.

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Rubianes, José Manuel. "Etude des phénomènes de relaxation des alliages fer-carbone dilues." Lyon, INSA, 1990. http://www.theses.fr/1990ISAL0064.

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Nous avons étudié les phénomènes de relaxation liés à la présence de carbone dans le fer de haute pureté contenant différents concentrations de carbone (effet Snoek , effet Snoek en présence de dislocations -DESE - et effet Snoek-Koster). Des expériences de frottement intérieur, de recouvrance et de microfluage et des observations de MET ont été effectuées. L'analyse des résultats expérimentaux montre une dependence importante de l'intensité de la relaxation Snoek avec la texture et a permis le calcul de ses paramètres d'activation. D'autre part, nos résultats montrent que le DESE est un pic de relaxation et qu ' il fait participer les atomes interstitiels de carbone et les dislocations non - vis. C'est le modèle d'Ogurtani et Seeger du DESE qui rend le mieux compte de ses caractéristiques expérimentales : la relaxation serait due à la réorientation des dipôles élastiques de carbone induite par le champ de contraintes des dislocations non-vis. L'instabilité de la relaxation Snoek - Koster lors de la première montée en température peut être expliquée par la précipitation de la phase epsilon , sa reversion et par la précipitation de cémentite
[The relaxation phenomena connected with carbon in high purity iron containing different carbon concentrations has been reported ( Snoek effect, Dis1ocation - Enhanced Snoek Effect 7- DESE- and Snoek -Koster effed) internal, friction, recovery and micro-creep experiments and TEM observations has been carried out. Analysis of the experimental results shwed a important dependence of Snoek relaxation intensity with texture. The activation parameters has been calculated. Results suggest that DESE is a relaxation peak and that carbon interstitial atoms and edge (71 degrees) dislocations contribute to this relaxation. The DESE model of Ogurtani and Seeger is specially able to explain experimental behaviour of the DESE : relaxation is attributed to sort range migration of carbon elastic dipoles induced by the stredd field of edge (71 degrees) dislocations. Snoek - Koster instability in the first warm-up can by understand in terms of epsilon precipitation and reversion, and cementite precipitation. ]
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Fernandez, Rivera Catalina. "Stabilité thermique de la microstructure et des propriétés mécaniques des alliages Al3Cr1Ce et Al3Cr(1V,2Si) (% at) rapidement solidifiés." Vandoeuvre-les-Nancy, INPL, 1990. http://www.theses.fr/1990INPL083N.

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Les alliages d'aluminium-métaux de transition sont durcis par des composés inte-rmétalliques thermiquement stables car les métaux de transition sont peu solubles dans une matrice d'aluminium et ils y ont une faible diffusivité. Cependant ce durcissement ne peut être obtenu qu'avec des précipites suffisamment petits; ceux-ci ne peuvent être obtenus que par solidification rapide. Nous avons préparé des poudres d'alliages Al3Cr1Ce et Al3Cr(2Si,1V) (% at. ) par pulvérisation centrifuge. Ces poudres ont été dégazées et mises en conteneur sous vide puis compactées par extrusion à chaud. Nous avons mesuré la micro-dureté et les propriétés mécaniques en traction à la température ordinaire des alliages compactes bruts d'extrusion et après maintien à haute température de différentes durées. L’alliage Al3Cr1Ce est durci par le composé inter-métallique Al20CrCe. Le niveau de la limite élastique et de la résistance mécanique à la température ordinaire est moyen; la stabilité thermique de ce compose permet de garder un bon niveau des propriétés mécaniques de l'alliage jusqu'a 400oc. Dans l'alliage Al3Cr(2Si,1V) les précipites Al13(Cr,V)2 sont responsables du durcissement à la température ordinaire. Les valeurs de la limite élastique et de la résistance mécanique à l'état brut d'extrusion sont intéressantes. L'alliage présente une bonne stabilité thermique jusqu'a 300oc; au-delà la réaction du silicium avec le compose Al13(Cr,V)2 pour former le composé Al13(Cr,V)4Si4 est accompagnée d'une baisse des propriétés mécaniques
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Books on the topic "Alliages de fer"

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Blandin, André. "Fer noir" d'Afrique de l'ouest: Avec 40 pages de complément sur les "Bronzes et autres alliages". Marignane, France: A. Blandin, 1992.

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Murry, Guy. Me tallurgie: Me taux, alliages, proprie te s. 2nd ed. Paris: Dunod, 2010.

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Cirkel, Fritz. Report on the chrome iron ore deposits in the Eastern Townships, province of Quebec. Ottawa: Govt. Print. Bureau, 1997.

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Rohrig, K. Ni-Hard material data and applications. [Toronto]: Nickel Development Institute, 1996.

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Moeller, R. H. Corrosion performance of Ni-Cr-Fe alloys in geothermal hypersaline brines. Toronto, Ont: Nickel Institute, 1998.

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Tou shi qi ye lian meng neng li: Ji yu dong tai neng li de S-IPL fen xi kuang jia. Beijing: Zhongguo she hui ke xue chu ban she, 2007.

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Incorporated, Action Health, ed. Building alliances for sexuality education: The Community Advocacy Project. Lagos: Action Health Inc., 2002.

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Accountability, Florida Office of Program Policy Analysis and Government. Review of the status of Community Health Purchasing Alliances in Florida. [Tallahassee, Fla.]: The Office, 1996.

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Guan xi wang luo zhi du jie gou yu jing ji ji xiao: Yi xiang guan kai qi ye ji qun de jing ji she hui xue fen xi. Chengdou Shi: Sichuan da xue chu ban she, 2009.

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Friendship and faith: The wisdom of women creating alliances for peace. Canton, Mich: Read the Spirit Books, 2010.

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Book chapters on the topic "Alliages de fer"

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Hermanni, Alfred-Joachim. "Alliances." In Business Guide for Strategic Management, 1–5. Wiesbaden: Springer Fachmedien Wiesbaden, 2023. http://dx.doi.org/10.1007/978-3-658-41367-5_1.

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Kunert-Diallo, Agnieszka. "Airline alliances." In Harmonising Regulatory and Antitrust Regimes for International Air Transport, 74–87. Abingdon, Oxon ; New York, NY : Routledge, 2019. | Series: Routledge research in competition law: Routledge, 2018. http://dx.doi.org/10.4324/9781351134910-7.

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Cheng, Tyrone. "Working Alliances." In Case Examples in Child Welfare and Family Services for Social Workers, 59–64. London: Routledge, 2022. http://dx.doi.org/10.4324/9781003316688-5.

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Berlie, Laurence Schwesinger. "General Introduction." In Alliances for Sustainable Development, 1–5. London: Palgrave Macmillan UK, 2010. http://dx.doi.org/10.1057/9780230278066_1.

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Berlie, Laurence Schwesinger. "Corporate-NGO Alliances: Essentially Strategic Choices." In Alliances for Sustainable Development, 9–22. London: Palgrave Macmillan UK, 2010. http://dx.doi.org/10.1057/9780230278066_2.

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Berlie, Laurence Schwesinger. "Alliance Motivations." In Alliances for Sustainable Development, 23–45. London: Palgrave Macmillan UK, 2010. http://dx.doi.org/10.1057/9780230278066_3.

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Berlie, Laurence Schwesinger. "Typologies of Allies and Alliances." In Alliances for Sustainable Development, 46–61. London: Palgrave Macmillan UK, 2010. http://dx.doi.org/10.1057/9780230278066_4.

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Berlie, Laurence Schwesinger. "Symmetries versus Asymmetries in Corporate-NGO Alliances." In Alliances for Sustainable Development, 69–85. London: Palgrave Macmillan UK, 2010. http://dx.doi.org/10.1057/9780230278066_5.

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Berlie, Laurence Schwesinger. "Building Alliance Capacities." In Alliances for Sustainable Development, 86–110. London: Palgrave Macmillan UK, 2010. http://dx.doi.org/10.1057/9780230278066_6.

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Berlie, Laurence Schwesinger. "Stakeholder Involvement." In Alliances for Sustainable Development, 111–39. London: Palgrave Macmillan UK, 2010. http://dx.doi.org/10.1057/9780230278066_7.

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Conference papers on the topic "Alliages de fer"

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Bouncken, Ricarda, and Thorsten Teichert. "Modularity in Innovation Alliances." In 2006 Technology Management for the Global Future - PICMET 2006 Conference. IEEE, 2006. http://dx.doi.org/10.1109/picmet.2006.296610.

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Inelmen, Erol. "Mapping `Strategic Alliances' with `Learning Technologies' Appropriately." In 2006 Technology Management for the Global Future - PICMET 2006 Conference. IEEE, 2006. http://dx.doi.org/10.1109/picmet.2006.296576.

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Kukaev, I. S., C. JF Candido, and A. M. Makarov. "Opportunity Costs, Leadership, and Cooperation in Strategic Alliances." In International Scientific Conference "Far East Con" (ISCFEC 2020). Paris, France: Atlantis Press, 2020. http://dx.doi.org/10.2991/aebmr.k.200312.342.

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Musarra, Giuseppe, Constantine S. Katsikeas, and Mathew Robson. "INTERACTION EFFECT OF MONITORING ON INTERNATIONAL STRATEGIC ALLIANCES’ PERFORMANCE." In Bridging Asia and the World: Global Platform for Interface between Marketing and Management. Global Alliance of Marketing & Management Associations, 2016. http://dx.doi.org/10.15444/gmc2016.07.05.03.

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Gresko, A. A., E. N. Likhosherst, and K. S. Solodukhin. "Analysis of the Impact of Strategic Alliances on Relations with Stakeholders." In International Scientific Conference "Far East Con" (ISCFEC 2020). Paris, France: Atlantis Press, 2020. http://dx.doi.org/10.2991/aebmr.k.200312.351.

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Khamseh, Hamid, and Dominique Jolly. "Identifying and Classifying the Determinant Factors of Knowledge Transfer in Strategic Alliances." In 2006 Technology Management for the Global Future - PICMET 2006 Conference. IEEE, 2006. http://dx.doi.org/10.1109/picmet.2006.296575.

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Wen, Ya-lan, and Ching-chih Wen. "Factors Impact on e-Business Alliances Establishing Stage in Taiwan." In 2006 International Conference on Computational Inteligence for Modelling Control and Automation and International Conference on Intelligent Agents Web Technologies and International Commerce (CIMCA'06). IEEE, 2006. http://dx.doi.org/10.1109/cimca.2006.96.

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Malone, Thomas C., and Worth D. Nowlin. "GOOS regional alliances and the development of the coastal module of GOOS." In 2006 IEEE US/EU Baltic International Symposium on Integrated Ocean Observation Syst. for Managing Global & Regional Ecosys.Marine Resch. IEEE, 2006. http://dx.doi.org/10.1109/baltic.2006.7266144.

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Hawking, Paul, Brendan McCarthy, and Susan Foster. "Teaching eBusiness Concepts using SAP's OnLine Store." In 2002 Informing Science + IT Education Conference. Informing Science Institute, 2002. http://dx.doi.org/10.28945/2500.

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Many universities around the world have formed strategic alliances with Enterprise Resource Planning (ERP) systems vendors to incorporate these types of systems into their curriculum. Over the past few years the sharing of curriculum resources between universities has facilitated this process. Universities are now struggling with the concept of how to develop e-business curriculum incorporating their existing ERP system. Universities are faced with firstly having to implement the available functionality and then develop the appropriate curriculum. This paper describes a student centric method to assist universities with this curriculum delivery. Students at Victoria University have implemented and documented the implementation process of SAP’s OnLine Store. This documentation will be freely distributed to other universities to assist them with their implementation. Staff at the University are in the process of developing ebusiness curriculum based on the OnLine Store which will also be distributed to other universities.
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Filofteia, Repez. "E-LEARNING INSTRUMENTS IN SECURITY STUDIES." In eLSE 2013. Carol I National Defence University Publishing House, 2013. http://dx.doi.org/10.12753/2066-026x-13-060.

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: Security means the absence of risks, threats and vulnerabilities, the absence of fear or insecurity. Any human group, or state, indifferently its wideness, placement, form of organization, etc. can develop only under the conditions of relative security of its members. How security is practically provided it is a matter of strategy, respectively priorities settlements in regard to a geopolitical context, resources, alliances, loyalty to the allies, planning and management (the conductment experience). In order to fulfil its security strategy, each government assumes its security policy (legislative, institutional, material and human resources etc. systems) able to satisfy the entire range of issues in the national security field. Often, we have wonder if it really exist total security? The answer is far from positive. Different threats, vulnerabilities or risks are at every step. Still, a part of risks, threats or vulnerabilities against security can be diminished or extincted by education and self-education. As this concern, E-learning instruments can contribute to the understanding and thoroughness of security studies and assess the continuous changing security environment. The use of E-learning instruments will lead to shifting the accent from a learning environment in security studies centered on teacher, to one centered on student wherein teachers are not anymore the key-source of information and knowledge delivery, but they become colaborators of students and students are not anymore only pasive receivers of information but they are actively involved in their own education. Starting from these considerations, our paper intends to highlight that in security studies can be used E-learning instruments as methods of learning and lessons? delivery.
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Reports on the topic "Alliages de fer"

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Donaldson, E. M. Quelques méthodes instrumentales destinées au dosage des éléments traces et mineurs dans le fer, l'acier et les métaux et alliages non-ferreux. Natural Resources Canada/ESS/Scientific and Technical Publishing Services, 1985. http://dx.doi.org/10.4095/308045.

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Tavis, Lee, Audra Jones, Ezequiel Reficco, Adrian Hodges, Ana María Majano, Rosa María Fischer, Amy Heinecke, et al. Alliances for Development. Inter-American Development Bank, December 2002. http://dx.doi.org/10.18235/0006597.

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Yalch, Teale, Jo Lofthouse, and Stella Nordhagen. Creating alliances and fostering innovations to reduce postharvest food loss: Experiences from GAIN’s Postharvest Loss Alliances for Nutrition. Global Alliance for Improved Nutrition (GAIN), September 2020. http://dx.doi.org/10.36072/wp.9.

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Newell, Peter, Roz Price, and Freddie Daley. Landscapes of (In)justice: Reflecting on Voices, Spaces, and Alliances for Just Transition. Institute of Development Studies, September 2023. http://dx.doi.org/10.19088/ids.2023.047.

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Just transitions seek to ameliorate the social and economic impacts of the global energy transitions that are essential to building an equitable low-carbon economy in the coming decades. Diverse groups of citizens need to be engaged in the design and implementation of transition policies across all scales and sectors for them to succeed and be socially acceptable. But how? And what lessons can we take from emerging practice to guide future action? This paper identifies insights from these experiences and struggles as they might pertain to contemporary attempts to ensure transitions are more socially just by drawing on a broad body of work on: (i) just transitions, energy justice, and energy transitions; (ii) contentious resource politics and attempts to democratise them; and (iii) social movement struggles for justice in the settings on which our project focuses. We focus on issues of voice (representation), spaces (for participation), and alliances (for change), paying particular attention to the three countries at the centre of this work: Colombia, Mozambique, and Nigeria.
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Santos, Danielle, Sanjay Goel, John Costanzo, Debbie Sagen, and Patty Buddelmeyer. A roadmap for successful regional alliances and multistakeholder partnerships to build the cybersecurity workforce. Gaithersburg, MD: National Institute of Standards and Technology, February 2020. http://dx.doi.org/10.6028/nist.ir.8287.

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Evans, Julie, Kendra Sikes, and Jamie Ratchford. Vegetation classification at Lake Mead National Recreation Area, Mojave National Preserve, Castle Mountains National Monument, and Death Valley National Park: Final report (Revised with Cost Estimate). National Park Service, October 2020. http://dx.doi.org/10.36967/nrr-2279201.

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Vegetation inventory and mapping is a process to document the composition, distribution and abundance of vegetation types across the landscape. The National Park Service’s (NPS) Inventory and Monitoring (I&M) program has determined vegetation inventory and mapping to be an important resource for parks; it is one of 12 baseline inventories of natural resources to be completed for all 270 national parks within the NPS I&M program. The Mojave Desert Network Inventory & Monitoring (MOJN I&M) began its process of vegetation inventory in 2009 for four park units as follows: Lake Mead National Recreation Area (LAKE), Mojave National Preserve (MOJA), Castle Mountains National Monument (CAMO), and Death Valley National Park (DEVA). Mapping is a multi-step and multi-year process involving skills and interactions of several parties, including NPS, with a field ecology team, a classification team, and a mapping team. This process allows for compiling existing vegetation data, collecting new data to fill in gaps, and analyzing the data to develop a classification that then informs the mapping. The final products of this process include a vegetation classification, ecological descriptions and field keys of the vegetation types, and geospatial vegetation maps based on the classification. In this report, we present the narrative and results of the sampling and classification effort. In three other associated reports (Evens et al. 2020a, 2020b, 2020c) are the ecological descriptions and field keys. The resulting products of the vegetation mapping efforts are, or will be, presented in separate reports: mapping at LAKE was completed in 2016, mapping at MOJA and CAMO will be completed in 2020, and mapping at DEVA will occur in 2021. The California Native Plant Society (CNPS) and NatureServe, the classification team, have completed the vegetation classification for these four park units, with field keys and descriptions of the vegetation types developed at the alliance level per the U.S. National Vegetation Classification (USNVC). We have compiled approximately 9,000 existing and new vegetation data records into digital databases in Microsoft Access. The resulting classification and descriptions include approximately 105 alliances and landform types, and over 240 associations. CNPS also has assisted the mapping teams during map reconnaissance visits, follow-up on interpreting vegetation patterns, and general support for the geospatial vegetation maps being produced. A variety of alliances and associations occur in the four park units. Per park, the classification represents approximately 50 alliances at LAKE, 65 at MOJA and CAMO, and 85 at DEVA. Several riparian alliances or associations that are somewhat rare (ranked globally as G3) include shrublands of Pluchea sericea, meadow associations with Distichlis spicata and Juncus cooperi, and woodland associations of Salix laevigata and Prosopis pubescens along playas, streams, and springs. Other rare to somewhat rare types (G2 to G3) include shrubland stands with Eriogonum heermannii, Buddleja utahensis, Mortonia utahensis, and Salvia funerea on rocky calcareous slopes that occur sporadically in LAKE to MOJA and DEVA. Types that are globally rare (G1) include the associations of Swallenia alexandrae on sand dunes and Hecastocleis shockleyi on rocky calcareous slopes in DEVA. Two USNVC vegetation groups hold the highest number of alliances: 1) Warm Semi-Desert Shrub & Herb Dry Wash & Colluvial Slope Group (G541) has nine alliances, and 2) Mojave Mid-Elevation Mixed Desert Scrub Group (G296) has thirteen alliances. These two groups contribute significantly to the diversity of vegetation along alluvial washes and mid-elevation transition zones.
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Haeussler, Carolin, and Matthew Higgins. Explaining Preferences for Control Rights in Strategic Alliances: A Property Rights and Capabilities Perspective Approach. Cambridge, MA: National Bureau of Economic Research, September 2012. http://dx.doi.org/10.3386/w18364.

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Imbrie, Andrew, Ryan Fedasiuk, Catherine Aiken, Tarun Chhabra, and Husanjot Chahal. Agile Alliances: How the United States and Its Allies Can Deliver a Democratic Way of AI. Center for Security and Emerging Technology, February 2020. http://dx.doi.org/10.51593/20190037.

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The United States must collaborate with its allies and partners to shape the trajectory of artificial intelligence, promoting liberal democratic values and protecting against efforts to wield AI for authoritarian ends.
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Ramm-Granberg, Tynan, F. Rocchio, Catharine Copass, Rachel Brunner, and Eric Nelsen. Revised vegetation classification for Mount Rainier, North Cascades, and Olympic national parks: Project summary report. National Park Service, February 2021. http://dx.doi.org/10.36967/nrr-2284511.

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Field crews recently collected more than 10 years of classification and mapping data in support of the North Coast and Cascades Inventory and Monitoring Network (NCCN) vegetation maps of Mount Rainier (MORA), Olympic (OLYM), and North Cascades (NOCA) National Parks. Synthesis and analysis of these 6000+ plots by Washington Natural Heritage Program (WNHP) and Institute for Natural Resources (INR) staff built on the foundation provided by the earlier classification work of Crawford et al. (2009). These analyses provided support for most of the provisional plant associations in Crawford et al. (2009), while also revealing previously undescribed vegetation types that were not represented in the United States National Vegetation Classification (USNVC). Both provisional and undescribed types have since been submitted to the USNVC by WNHP staff through a peer-reviewed process. NCCN plots were combined with statewide forest and wetland plot data from the US Forest Service (USFS) and other sources to create a comprehensive data set for Washington. Analyses incorporated Cluster Analysis, Nonmetric Multidimensional Scaling (NMS), Multi-Response Permutation Procedure (MRPP), and Indicator Species Analysis (ISA) to identify, vet, and describe USNVC group, alliance, and association distinctions. The resulting revised classification contains 321 plant associations in 99 alliances. A total of 54 upland associations were moved through the peer review process and are now part of the USNVC. Of those, 45 were provisional or preliminary types from Crawford et al. (2009), with 9 additional new associations that were originally identified by INR. WNHP also revised the concepts of 34 associations, wrote descriptions for 2 existing associations, eliminated/archived 2 associations, and created 4 new upland alliances. Finally, WNHP created 27 new wetland alliances and revised or clarified an additional 21 as part of this project (not all of those occur in the parks). This report and accompanying vegetation descriptions, keys and synoptic and environmental tables (all products available from the NPS Data Store project reference: https://irma.nps.gov/DataStore/Reference/Profile/2279907) present the fruit of these combined efforts: a comprehensive, up-to-date vegetation classification for the three major national parks of Washington State.
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Azevedo, Paulo F., Thiago Bernardino de Carvalho, Maria Clara de Azevedo Morgulis, Paula Sarita Bigio Schneider, Andresa Silva Neto Francischini, Maria Sylvia Saes, and Synthia Kariny Silva de Santana. Learning from Productive Development Agencies in Brazil: Policies for Technological Innovation. Inter-American Development Bank, December 2016. http://dx.doi.org/10.18235/0011775.

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This paper presents and comparatively analyzes three case studies of productive development agencies (PDAs) in Brazil: Embrapa, Finep, and ABC Foundation. Following a discussion of the main hypotheses and the methodology employed, the paper describes each case, the related counterfactual and an analysis of each PDA's capabilities. A subsequent section presents a comparative analysis of the PDAs, studying: i) the use of hybrid forms to assemble complementary capabilities: short-run effects on technological policy; ii) the effect of strategic alliances on building capabilities and dynamic effects; and iii) how industry structure and innovation should affect PDAs' strategies. Finally, the paper presents conclusions, summarizing results, methodological shortcomings and policy implications.
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