Letteratura scientifica selezionata sul tema "Basse densité"
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Articoli di riviste sul tema "Basse densité"
Castan, C., F. Montheillet e A. Perlade. "Recristallisation dynamique d’alliages à basse densité fer-aluminium". Revue de Métallurgie 108, n. 3 (marzo 2011): 141–53. http://dx.doi.org/10.1051/metal/2011050.
Testo completoMorgan, Debra G., e Norma J. Stewart. "High versus Low Density Special Care Units: Impact on the Behaviour of Elderly Residents with Dementia". Canadian Journal on Aging / La Revue canadienne du vieillissement 17, n. 2 (1998): 143–65. http://dx.doi.org/10.1017/s0714980800009235.
Testo completoChapman, John Martin, Maryse Guérin e Éric Bruckert. "Place des anomalies des lipoprotéines de basse densité (LDL) dans l’athérogénicité". Bulletin de l'Académie Nationale de Médecine 185, n. 1 (gennaio 2001): 35–39. http://dx.doi.org/10.1016/s0001-4079(19)34587-x.
Testo completoKumar, Shailendra, Ismita Nautiyal e Shikhar Shukla. "Some physical properties of delignified and compressed Melia dubia wood". BOIS & FORETS DES TROPIQUES 341 (20 luglio 2019): 71. http://dx.doi.org/10.19182/bft2019.341.a31758.
Testo completoBendaikha, T., N. Benmessaouda e F. Aberkane. "Étude du photogreffage de la N-vinyle pyrolidonne sur le polyéthylène basse densité". Journal de Physique IV (Proceedings) 124 (maggio 2005): 25–30. http://dx.doi.org/10.1051/jp4:2005124004.
Testo completoSahi, Samira, e Hocine Djidjelli. "Utilisation de l'amidon comme charge biodégradable dans les matériaux composites polyéthylène basse densité/amidon". Annales de chimie Science des Matériaux 38, n. 5-6 (28 dicembre 2013): 189–202. http://dx.doi.org/10.3166/acsm.38.189-202.
Testo completoBonnefont-Rousselot, D., J. Delattre, A. Galli, M. Gardès-Albert e C. Ferradini. "Péroxydation des lipoprotéines de basse densité (LDL) par divers radicaux libres oxygénés produits par radiolyse gamma". Journal de Chimie Physique 88 (1991): 913–25. http://dx.doi.org/10.1051/jcp/1991880913.
Testo completoMassama-Esso, Agbamaro. "Gestion des adventices dans deux agroécosystèmes maraîchers au sud Togo : cas du cordon littoral et de la basse vallée de Zio". Revue Ecosystèmes et Paysages 4, n. 2 (30 dicembre 2024): 1–16. https://doi.org/10.59384/recopays.tg4228.
Testo completoASSAD, R., e A. ARBAOUI. "Etude du phénomène de dépiégeage des ondes de densité de charge dans les systèmes de basse dimensionnalité". Annales de Chimie Science des Matériaux 24, n. 7 (luglio 1999): 481–86. http://dx.doi.org/10.1016/s0151-9107(00)88440-8.
Testo completoDagnachew, Shimelis, A. K. Sangwan e Getachew Abébé. "Epidémiologie de la trypanosomose bovine dans la région du bassin de l’Abay (Nil bleu), nord-ouest de l’Ethiopie". Revue d’élevage et de médecine vétérinaire des pays tropicaux 58, n. 3 (1 marzo 2005): 151. http://dx.doi.org/10.19182/remvt.9927.
Testo completoTesi sul tema "Basse densité"
Jacobs, Carolyn. "Etude du rayonnement d'un écoulement hypersonique à basse densité". Phd thesis, Châtenay-Malabry, Ecole centrale de Paris, 2011. http://tel.archives-ouvertes.fr/tel-00677439.
Testo completoPicard, Sylvie. "Oxydation des lipoprotéines de basse densité : effets de l'aminoguanidine". Lyon 1, 1995. http://www.theses.fr/1995LYO1T023.
Testo completoDarrigrand, Thierry. "Fractionnement du polyéthylène basse densité relations structure/ propriétés - structure / procédés". Pau, 1987. http://www.theses.fr/1987PAUU1007.
Testo completoShaker, Ramin, e Ramin Shaker. "Rotomoulage d'élastomères thermoplastiques à base de polyéthylène de basse densité et de caoutochouc naturel recyclé". Master's thesis, Université Laval, 2020. http://hdl.handle.net/20.500.11794/38277.
Testo completoCe travail porte sur la production d’élastomères thermoplastiques basés sur un polymère thermoplastique (le polyéthylène de basse densité, LDPE) et un caoutchouc naturel (NR) recyclé provenant de pneus usés (ground tire rubber : GTR). Les échantillons ont été moulés par rotomoulage en utilisant deux méthodes de mélange : à l'état fondu par une extrudeuse bi-vis et par un mélange à sec en utilisant un mélangeur haute intensité afin de comparer l’effet du cisaillement et de l’histoire thermo-mécanique sur les propriétés mécaniques et physiques des composés. De plus, deux types de caoutchouc naturel recyclé ont été utilisés. Le premier est une matière recyclée provenant directement des pneus hors-route (off-the-road, OTR) par réduction de taille et le second est le même matériel ayant subi un procédé de régénération à l’échelle industrielle. Dans chaque cas, trois concentrations de caoutchouc ont été utilisées (20, 35 et 50% en poids) pour comparer avec les propriétés de la matrice seule (0%). Le travail a permis de déterminer l’effet des paramètres de mise en oeuvre comme le temps de chauffage, la température du four, le rapport de vitesse et la taille des particules pour optimiser le procédé rotomoulage. À partir des échantillons obtenus, une caractérisation morphologique (microscopie), physique (densité et dureté) et mécanique (tension, flexion et impact) a été effectuée. Les résultats ont montré que l'augmentation de la concentration en caoutchouc diminuait la rigidité et la résistance mécanique, mais augmentait l'élasticité et la ductilité. Finalement, bien que le mélange à l'état fondu a donné des propriétés légèrement supérieures au mélange à sec, ce dernier est intéressant afin de limiter la dégradation thermo-mécanique et oxydative des matériaux tout en réduisant les coûts et le temps de fabrication.
This project focuses on the production and characterization of thermoplastic elastomers, based on a thermoplastic polymer (low density polyethylene, LDPE) and recycled natural rubber (NR), obtained from ground tire rubber (GTR). The samples were rotomolded by two blending techniques: melt blending by twin-screw extrusion, and dry blending using a high speed mixer to study the effect of shear and thermo-mechanical history on the physical and mechanical properties of the compounds. Also, two types of recycled natural rubber were used in this study. The first one is a recycled material, obtained from off-the-road (OTR) tires after size reduction. On other hand, the second one is the same material which underwent a regeneration process at industrial scale. In each case, three rubber concentrations (20, 35, 50 wt.%) were used to compare with the properties of the neat polymer. In addition, the effect of several parameters such as: heating time, oven temperature, speed ratio of the rotating arms, and particle size is studied to optimize the rotomolding process. Then, from the samples produced, morphological (optical and scanning electron microscopy), physical (density and hardness) and mechanical (tension, flexion and impact) characterizations were performed. Based on the results obtained, it was shown that increasing the rubber concentration led to lower rigidity and mechanical strength, but higher elasticity and ductility. Finally, although the melt blending method provides better properties than the dry blending one, the latter is interesting to limit the thermo-mechanical and oxidative degradation of the materials, as well as reducing the costs and manufacturing time.
This project focuses on the production and characterization of thermoplastic elastomers, based on a thermoplastic polymer (low density polyethylene, LDPE) and recycled natural rubber (NR), obtained from ground tire rubber (GTR). The samples were rotomolded by two blending techniques: melt blending by twin-screw extrusion, and dry blending using a high speed mixer to study the effect of shear and thermo-mechanical history on the physical and mechanical properties of the compounds. Also, two types of recycled natural rubber were used in this study. The first one is a recycled material, obtained from off-the-road (OTR) tires after size reduction. On other hand, the second one is the same material which underwent a regeneration process at industrial scale. In each case, three rubber concentrations (20, 35, 50 wt.%) were used to compare with the properties of the neat polymer. In addition, the effect of several parameters such as: heating time, oven temperature, speed ratio of the rotating arms, and particle size is studied to optimize the rotomolding process. Then, from the samples produced, morphological (optical and scanning electron microscopy), physical (density and hardness) and mechanical (tension, flexion and impact) characterizations were performed. Based on the results obtained, it was shown that increasing the rubber concentration led to lower rigidity and mechanical strength, but higher elasticity and ductility. Finally, although the melt blending method provides better properties than the dry blending one, the latter is interesting to limit the thermo-mechanical and oxidative degradation of the materials, as well as reducing the costs and manufacturing time.
Stanescu, Paul. "Architecture et comportement viscoélastique à l'état fondu de polyéthylènes basse densité". Saint-Etienne, 2005. http://www.theses.fr/2005STET4003.
Testo completoLow density polyethylene (LDPE) is one of the synthetic polymers most used and the prediction of its rheological behavior is an industrial stake. The difficulty lies in the complex architecture of the molecules. The number, the size and the position of the branches are random and these parameters have major effects on the rheological behavior. This work shows that the real structure of LDPE can be sketched by an irregular Cayley tree. The structural parameters can be determined from SEC measurements and from the kinetics of free radical polymerization. Based on this picture of the molecules, a molecular model is proposed to describe the dynamics of the LDPE in the case of a monodisperse samples and polydisperse samples. The linear viscoelastic behavior of our LDPE was correctly predicted. The strong link between structure and rheology enables to solve the inverse problem. Linear viscoelastic data contain all the structural information. The use of the molecular model and an algorithm of minimization leads to an average structural picture of the molecules very close to that obtained by SEC. This average structure was transformed into "pom-pom" structures that were used in an "pom-pom" multimode constitutive equation. The calculated transient viscosity of our LDPE agrees with experimental measurements both in shear and uniaxial elongational flow
Peiti, Christian. "Modification des propriétés rhéologiques des polymères branchés par traitement thermomécanique : application aux défauts d'extrusion des PEBD". Phd thesis, Ecole Nationale Supérieure des Mines de Paris, 2012. http://pastel.archives-ouvertes.fr/pastel-00820611.
Testo completoDelattre, Sophie. "Étude clinique, biologique et cellulaire de différents cas d'hypercholestérolémie". Lille 1, 1991. http://www.theses.fr/1991LIL10006.
Testo completoHuntosova, Veronika. "Vectorization of hypericin with low-density lipoproteins : dynamic studies of the complex and consequences on its intracellular distribution and photo induced activity". Paris 6, 2010. http://www.theses.fr/2010PA066290.
Testo completoPerrois, Frédéric. "Réactivité de segments artériels humains "in vitro" : effet des lipoprotéines de basse densité". Paris 5, 1992. http://www.theses.fr/1992PA05P182.
Testo completoPerez, Jean-Philippe. "Caractérisation de photodétecteurs quantiques d'ondes refroidis à base de Hg0. 7Cd0. 3Te : Etude du bruit électrique basse fréquence à l'obscurité et sous flux infrarouge". Montpellier 2, 2004. http://www.theses.fr/2004MON20062.
Testo completoLibri sul tema "Basse densité"
North Atlantic Treaty Organization. Advisory Group for Aerospace Research and Development. Techniques expérimentales liées à l'aérodynamique à basse densité. Neuilly-sur-Seine: AGARD, 1990.
Cerca il testo completoimmobiliers, Fédération française du bâtiment Union des constructeurs. L'habitat durable: Les logements collectifs basse consommation dans une densité réussie réalisés par des promoteurs immobiliers. Paris: Editions PC, 2010.
Cerca il testo completoFédération française du bâtiment. Union des constructeurs immobiliers. L'habitat durable: Les logements collectifs basse consommation dans une densité réussie réalisés par des promoteurs immobiliers. Paris: Editions PC, 2010.
Cerca il testo completoJ, Bernard J., Raffin M e North Atlantic Treaty Organization. Advisory Group for Aerospace Research and Development., a cura di. Techniques experimentales liees a l'aerodynamique a basse densite. Neuilly sur Seine, France: AGARD, 1990.
Cerca il testo completoUnited States. National Aeronautics and Space Administration., a cura di. Advanced chemical propulsion at NASA Lewis: Metallized and high energy density propellants. [Washington, DC]: National Aeronautics and Space Administration, 1991.
Cerca il testo completoUnited States. National Aeronautics and Space Administration., a cura di. A note on the wave action density of a viscous instability mode on a laminar free-shear flow. [Washington, DC]: National Aeronautics and Space Administration, 1994.
Cerca il testo completoR, Mackinnon Ian D., e United States. National Aeronautics and Space Administration., a cura di. Cometary evolution: Clues on physical properties from chondritic interplanetary dust particles. [Washington, DC: National Aeronautics and Space Administration, 1989.
Cerca il testo completoR, Mackinnon Ian D., e United States. National Aeronautics and Space Administration., a cura di. Cometary evolution: Clues on physical properties from chondritic interplanetary dust particles. [Washington, DC: National Aeronautics and Space Administration, 1989.
Cerca il testo completoR, Mackinnon Ian D., e United States. National Aeronautics and Space Administration., a cura di. Cometary evolution: Clues on physical properties from chondritic interplanetary dust particles. [Washington, DC: National Aeronautics and Space Administration, 1989.
Cerca il testo completoCholesterol metabolism, LDL, and the LDL receptor. San Diego: Academic Press, 1990.
Cerca il testo completoCapitoli di libri sul tema "Basse densité"
Pollington, Andrew D. "On the Density of B2-Bases". In Analytic Number Theory and Diophantine Problems, 317–20. Boston, MA: Birkhäuser Boston, 1987. http://dx.doi.org/10.1007/978-1-4612-4816-3_18.
Testo completovon Hahn, Walter. "Some ideas about density in knowledge bases". In Language and Discourse, 565. Amsterdam: John Benjamins Publishing Company, 1986. http://dx.doi.org/10.1075/llsee.19.37hah.
Testo completoStrauch, D. "BaSe: phonon dispersion relations, phonon density of states". In New Data and Updates for several IIa-VI Compounds (Structural Properties, Thermal and Thermodynamic Properties, and Lattice Properties), 46. Berlin, Heidelberg: Springer Berlin Heidelberg, 2014. http://dx.doi.org/10.1007/978-3-642-41461-9_22.
Testo completoTachikawa, Kyoji, Akihiro Kikuchi, Takashi Kinoshita e Seiki Komiya. "Enhanced Critical Current Density in the Tl-Base Oxides with Fluorine Addition". In Advances in Superconductivity VII, 461–64. Tokyo: Springer Japan, 1995. http://dx.doi.org/10.1007/978-4-431-68535-7_101.
Testo completoZhou, Xiaodong, Tienan Wang e Bowen Xu. "Experimental Investigation on the Factors Influencing the Shear Strength of Loess-Mudstone Composite Layer". In Lecture Notes in Civil Engineering, 301–14. Singapore: Springer Nature Singapore, 2023. http://dx.doi.org/10.1007/978-981-99-2532-2_25.
Testo completoOkamura, Mitsu, e Asri Nurani Sjafruddin. "LEAP-ASIA-2019 Centrifuge Test at Ehime University". In Model Tests and Numerical Simulations of Liquefaction and Lateral Spreading II, 177–86. Cham: Springer International Publishing, 2024. http://dx.doi.org/10.1007/978-3-031-48821-4_7.
Testo completoAntipov, V. V., O. G. Senatorova e N. F. Lukina. "Advanced Class of FML on the Base Al-Li Alloy 1441 with Lower Density". In ICAA13: 13th International Conference on Aluminum Alloys, 1023–31. Hoboken, NJ, USA: John Wiley & Sons, Inc., 2012. http://dx.doi.org/10.1002/9781118495292.ch153.
Testo completoAntipov, V. V., O. G. Senatorova e N. F. Lukina. "Advanced Class of FML on the Base Al-Li Alloy 1441 with Lower Density". In ICAA13 Pittsburgh, 1023–31. Cham: Springer International Publishing, 2012. http://dx.doi.org/10.1007/978-3-319-48761-8_153.
Testo completoIvanek, Lubomir, Stanislav Zajaczek, Václav Kolář, Jiri Ciganek e Stefan Hamacek. "Distribution of the Density of Current in the Base of Railway Traction Line Posts". In Advances in Intelligent Systems and Computing, 359–67. Cham: Springer International Publishing, 2014. http://dx.doi.org/10.1007/978-3-319-01854-6_37.
Testo completoDuan, Kai-Wen, Ji-Wei Shi e Wen-Quan Tao. "Thermal Design for the Passive Cooling System of Radio Base Station with High Power Density". In Advances in Heat Transfer and Thermal Engineering, 617–20. Singapore: Springer Singapore, 2021. http://dx.doi.org/10.1007/978-981-33-4765-6_106.
Testo completoAtti di convegni sul tema "Basse densité"
Liao, W. B., e Y. Zhang. "Processing and properties of Cu-base and Co-base amorphous wires". In High Density Packaging (ICEPT-HDP). IEEE, 2009. http://dx.doi.org/10.1109/icept.2009.5270553.
Testo completoWang, Zhao, Heming Zhao, Wenzhong Lou, Hanwei Li e Li Jin. "SMD reliability research base on Stolkarts fatigue model". In High Density Packaging (ICEPT-HDP). IEEE, 2011. http://dx.doi.org/10.1109/icept.2011.6066923.
Testo completoZhou, Hongjun, e Lei Han. "Local plastic zones of wirebond profiles inspection base on curvature estimation". In High Density Packaging (ICEPT-HDP). IEEE, 2009. http://dx.doi.org/10.1109/icept.2009.5270727.
Testo completoDeng, Baiqiao, e Christopher E. Heil. "Density of Gabor Schauder bases". In International Symposium on Optical Science and Technology, a cura di Akram Aldroubi, Andrew F. Laine e Michael A. Unser. SPIE, 2000. http://dx.doi.org/10.1117/12.408600.
Testo completoQin, Haichen, Jianzhou Quan, Bo Peng e Zhouping Yin. "Analysis and compensation of perpendicularity error for high speed and high precise IC assembly equipment base on coordinate transformation". In High Density Packaging (ICEPT-HDP). IEEE, 2009. http://dx.doi.org/10.1109/icept.2009.5270571.
Testo completoLadik, János. "Correlation corrected Hartree-Fock and density functional computations on nucleotide base stacks". In Density functional theory and its application to materials. AIP, 2001. http://dx.doi.org/10.1063/1.1390184.
Testo completoIlyin, V. P. "Thermoplastic Explosive Compositions on the Base of Hexanitrohexaazaisowurtzitane". In ZABABAKHIN SCIENTIFIC TALKS - 2005: International Conference on High Energy Density Physics. AIP, 2006. http://dx.doi.org/10.1063/1.2337192.
Testo completoBian, Xinhai, Hongyan Guo, Li Zhang, KH Tan e CM Lai. "Simulation and modeling of wafer level silicon-base spiral inductor". In 2012 13th International Conference on Electronic Packaging Technology & High Density Packaging (ICEPT-HDP). IEEE, 2012. http://dx.doi.org/10.1109/icept-hdp.2012.6474561.
Testo completoJianyuan Feng, Zhiyong Feng, Zhiqing Wei, Wei Li e Sumit Roy. "Optimal base station density in ultra-densification heterogeneous network". In 2015 IEEE Wireless Communications and Networking Conference (WCNC). IEEE, 2015. http://dx.doi.org/10.1109/wcnc.2015.7127682.
Testo completoKraus, Alex, Uwe Bach, Axel Jessner e Benjamin Winkel. "Checking the base of the flux density calibration scale". In 2015 1st URSI Atlantic Radio Science Conference (URSI AT-RASC). IEEE, 2015. http://dx.doi.org/10.1109/ursi-at-rasc.2015.7303194.
Testo completoRapporti di organizzazioni sul tema "Basse densité"
Carlos Daniel, Vecco Giove. Base de datos de nicho estructural, florístico y densidad. Repositorio Institucional de la Universidad Nacional de San Martín, agosto 2023. http://dx.doi.org/10.51252/11458/5259.
Testo completoVecco Giove, Carlos D. Base de datos de nicho estructural, florístico y densidad. Repositorio Institucional de la Universidad Nacional de San Martín, agosto 2023. http://dx.doi.org/10.51252/11458/5215.
Testo completoParrish, Tony, Scott Naylor, David Spencer, Mike Horne e Doug Blazer. Review of Depot and Base Levels for Low Density/High Reliability Items. Fort Belvoir, VA: Defense Technical Information Center, febbraio 2000. http://dx.doi.org/10.21236/ada376762.
Testo completoChung, H. M., T. M. Galvin e D. L. Smith. Density decrease in vanadium-base alloys irradiated in the dynamic helium charging experiment. Office of Scientific and Technical Information (OSTI), aprile 1996. http://dx.doi.org/10.2172/270428.
Testo completoChung, H. M., L. Nowicki e J. Gazda. Void structure and density change of vanadium-base alloys irradiated in the dynamic helium charging experiment. Office of Scientific and Technical Information (OSTI), aprile 1995. http://dx.doi.org/10.2172/115710.
Testo completoNallar, Melisa, e Amelia Gelina. Enhancing building thermal comfort : a review of phase change materials in concrete. Engineer Research and Development Center (U.S.), settembre 2023. http://dx.doi.org/10.21079/11681/47679.
Testo completoSanders, Suzanne, e Jessica Kirschbaum. Forest health monitoring at Mississippi National River and Recreation Area: 2022 field season. National Park Service, 2023. http://dx.doi.org/10.36967/2301407.
Testo completoMeloche, Jean-Philippe, Jérôme Dupras, Andrew Gonzales, Justin Leroux e François Vaillancourt. Étude sur la mise en œuvre d’outils d’écofiscalité au service de la conservation et de l’adaptation aux changements climatiques dans les basses-terres du Saint-Laurent. CIRANO, giugno 2023. http://dx.doi.org/10.54932/kgdx2810.
Testo completoMeloche, Jean-Philippe, Cédric Bourbonnais, Arnaud Dragicevic, Tejasvi Hora, Noémie Lacroix, Julie Lebert, Justin Leroux et al. Étude sur la mise en œuvre d’outils d’écofiscalité au service de la conservation et de l’adaptation aux changements climatiques dans les basses-terres du Saint-Laurent. CIRANO, giugno 2023. http://dx.doi.org/10.54932/momv7435.
Testo completoRahmani, Mehran, Xintong Ji e Sovann Reach Kiet. Damage Detection and Damage Localization in Bridges with Low-Density Instrumentations Using the Wave-Method: Application to a Shake-Table Tested Bridge. Mineta Transportation Institute, settembre 2022. http://dx.doi.org/10.31979/mti.2022.2033.
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