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Статті в журналах з теми "Colloïdes – Effets de la température":
Goldspiegel, Fabien, Philippe Michel, Jean-Baptiste Blumenfeld, Jean-Baptiste Oszenda, and Katia Mocellin. "Influence des effets dynamiques et thermiques sur l’assemblage par clouage." Matériaux & Techniques 106, no. 3 (2018): 305. http://dx.doi.org/10.1051/mattech/2018049.
El Bitar, N., and D. Le Bars. "Douleur et thermorégulation Les effets ambivalents de la morphine." Douleur et Analgésie 31, no. 1 (March 2018): 35–61. http://dx.doi.org/10.3166/dea-2018-0002.
Tang, Anh Minh, Neda Yavari, Van Tri Nguyen, Jean-Michel Pereira, and Ghazi Hassen. "Modélisation physique du comportement thermo-mécanique d’un pieu géothermique." Revue Française de Géotechnique, no. 166 (2021): 3. http://dx.doi.org/10.1051/geotech/2021004.
Faci, Djihade Nesrine, Saida Chouf, Mostepha Benchiheub, and Soliman Belkahla. "Effet du vieillissement thermique sur les propriétés structurales et microstructurales d’un alliage à mémoire de forme de type CuZnAl." Matériaux & Techniques 110, no. 5 (2022): 504. http://dx.doi.org/10.1051/mattech/2022036.
OUALI, A. "Conséquences des traitements technologiques sur la qualité de la viande." INRAE Productions Animales 4, no. 3 (July 31, 1991): 195–208. http://dx.doi.org/10.20870/productions-animales.1991.4.3.4334.
Mezrioui, N., and B. Baleux. "Effets de la température, du pH et du rayonnement solaire sur la survie de différentes bactéries d'intérêt sanitaire dans une eau usée épurée par lagunage." Revue des sciences de l'eau 5, no. 4 (April 12, 2005): 573–91. http://dx.doi.org/10.7202/705148ar.
Gillet, Marc. "Changement climatique et risques sanitaires : la France aussi est concernée." Questions de santé publique, no. 1 (March 2008): 1–4. http://dx.doi.org/10.1051/qsp/2008001.
Serratrice, Jean François. "Suivi des déformations du massif rocheux sous la fondation de la pile VII du Pont du Gard." Revue Française de Géotechnique, no. 164 (2020): 2. http://dx.doi.org/10.1051/geotech/2020023.
QUINIOU, N., D. RENAUDEAU, A. COLLIN, and J. NOBLET. "Effets de l’exposition au chaud sur les caractéristiques de la prise alimentaire du porc à différents stades physiologiques." INRAE Productions Animales 13, no. 4 (June 18, 2020): 233–45. http://dx.doi.org/10.20870/productions-animales.2000.13.4.3783.
Wiegers, Gerrie, Mari I. C. Boff, and Peter Smits. "Effect of storage time and temperature on infectivity, reproduction and development of Heterorhabditis megidis in Galleria mellonella." Nematology 2, no. 6 (2000): 635–44. http://dx.doi.org/10.1163/156854100509501.
Дисертації з теми "Colloïdes – Effets de la température":
Ould, Eleya Mohamed El Mustapha. "Analyse de la formation des gels acides de laits de vache, de chèvre et de brebis au moyen de la géométrie fractale : étude comparative." Vandoeuvre-les-Nancy, INPL, 1996. http://docnum.univ-lorraine.fr/public/INPL_T_1996_OULD_ELEYA_M_E_M.pdf.
Yin, Fang. "Copolymères multi-stimulables : effet de la composition et de la structure sur leurs propriétés en solution aqueuse." Thesis, Toulouse 3, 2021. http://www.theses.fr/2021TOU30230.
Stimulable polymers have attracted a lot of interest in recent years due to their ability to respond macroscopically, rapidly and reversibly to changes in their local environment, opening the way to multiple promising applications (controlled drug release, modifiable interfaces...). The objective of this thesis is to study the effect of composition, molar mass, architecture, concentration of copolymers on their transformations in aqueous solution triggered by a change of temperature and/or pH (modified by addition of base/acid or by bubbling CO2/N2). In this thesis, we are interested in three families of block or random copolymers carrying functions whose states are modulated by temperature or pH changes: (1) thermosensitive poly((N-vinyl caprolactam)-stat-(N-vinylpyrrolidone)) (P(VCL-stat-VP)) copolymers, (2) thermosensitive poly((n-butylacrylate)-co-(N-isopropylacrylamide)) (P(BA-co-NIPAM)) copolymers with different structures and compositions (diblock, triblock and random) and (3) copolymers sensitive to both stimuli (temperature and pH/CO2): poly((N-isopropylacrylamide)-block-(N-,N-diethylamino ethyl acrylamide)) (PNIPAM-b-PDEAEAM). Their syntheses, carried out by RAFT polymerization, are presented in the manuscript. In addition, we studied the response induced by stimuli on macromolecular parameters of these (co)polymers in water such as the conformation of the chains in solution, the modification of hydrophilicity and/or the ionic charge distributed along the (co)polymer chain. These modifications resulted in the modulations of solubility and influenced the formation of self-assemblies or hydrogels. Thus, after an introduction on the state of the art on stimulable polymers under stimuli of temperature, pH and CO2, the stabilization of colloidal solutions of gold nanoparticles by P(VCL-stat-VP) copolymers with different compositions was the subject of chapter II. The catalytic properties of nanohybrids on the reduction by sodium borohydride of p-nitrophenol to p-aminophenol was studied. The behavior of P(BA-co-NIPAM) with different morphologies (statistical, diblock and triblock) in dilute and concentrated solution under temperature changes was studied and compared in chapter III. This enables to highlight the modification of molecular interactions near critical temperatures. The densities of the formed hydrogels were also compared and a higher density in the case of triblock structures was evidenced. The behavior of PNIPAM-b-PDEAEAM with different compositions in water under change of pH by addition of acid or base and by bubbling CO2/N2 was detailed presented in chapters IV and V respectively. The modifications of the cloud points induced by pH changes as well as the different characteristics of the objects formed were studied. These changes are related to the modifications of the conformations of the (co)polymer chains and the interactions between polymer chains and water at the molecular level
Boire, Adeline. "Structure et dynamiques de dispersions de gliadines de blé : effet de la concentration en protéines et de la température du solvant." Thesis, Montpellier 2, 2014. http://www.theses.fr/2014MON20002/document.
A substantial body of theoretical and experimental studies has been conducted over the last 30 years to establish the link between protein interaction properties, phase transitions and self-assembly. Both colloidal and polymer physics provide a new framework for understanding the driving force for proteins phase behaviour. Such studies have been limited to health-related proteins and to a few food proteins, mainly animal proteins such as casein, whey proteins. This thesis aims to apply this approach to plant proteins to better understand their interactions properties, at the basis of their functional properties within grains and food matrices. This work was carried out on a wheat storage protein isolate mainly composed of the monomeric fraction: gliadins.The objective of this PhD thesis is to investigate the phase transitions of wheat proteins to develop our knowledge on their interaction properties and the associated structures. We organized our experimental approach in five steps. First, we developed an extraction procedure to work on a protein isolate of controlled composition with molecular weight ranging from 20 to 300 kg mol-1. Then, we investigated the phase behaviour of the protein isolate by decreasing the solvent quality, here the temperature. We determined the T-Φ phase diagram, where T is the temperature and Φv the protein volume fraction, that maps the phase and structural transitions of the proteins. This study showed the existence of a liquid-liquid phase separation in the system upon a temperature decrease. We evidenced two different behaviours among proteins as a function of their MWs and highlighted a critical protein size above which the molecular weight is the key determinant of the protein properties. From the phase diagram, two structural studies were conducted. The first one studied the kinetics of phase separation upon temperature decrease to characterize the local dynamics of phase separation and to identify the mechanisms that generate concentrated systems. Two main mechanisms of phase separation have been identified: nucleation-growth and spinodal decomposition. The second one studied the effect of protein concentration on the multi-scale structure of wheat gliadins in good solvent. The integration of all these results allowed us to build the phase diagram of wheat gliadins, integrating thermodynamic and structural data
Jaber, Ahmad. "Interfacial Viscoelastic moduli of bare, surfactant-laden and nanoparticle-laden interfaces oscillating in a weak gel." Electronic Thesis or Diss., Université de Lorraine, 2023. http://www.theses.fr/2023LORR0104.
We present a study implementing the oscillating drop method to probe the oil/water interface, modifiable by surfactants or nanoparticles, while surrounded by a continuous phase of controllable rheology. The key question posed in this work concerns the effect of the rheological properties of the continuous phase on the measurements of interfacial viscoelastic moduli extracted from the compression/expansion of an oscillating drop. With this in mind, the continuous phase consists of a thermo-reversible hydrogel K-carrageenan, selected for its interfacial inactivity but also for its hysteresis after the sol/gel transition which allows to have a gel or liquid at the same temperature according to the thermal history.In the case of a pure oil/water interface and under conditions where the KC solution is liquid, the elastic modulus of the interface remains weak. When the KC solution becomes a gel, even if it is weak to the point that the solution flows under its own weight, we witness the appearance of an elastic signature in interfacial viscoelastic measures attesting to the contribution of the rheology of the continuous phase being not negligible.The presence of a surfactant at the oil/water interface, generating an interfacial elastic modulus that increases with the concentration of surfactant in the case of a liquid surrounding medium. In the presence of a weak gel, the interfacial modulus decreases by despite that the modulus of the KC gel increases, this is attributed to a pseudo-localization of deformation at the interface. This phenomenon disappears in the case of an interface laden with solid nanoparticles (Pickering effect).All of this work reveals the importance of deconvoluting interfacial and volume contributions in an interfacial viscoelasticity test of the pendant drop
Reveron, Pojan Helen. "Colloi͏̈des de zircone cériée : synthèse et frittage à basse température." Limoges, 2000. http://www.theses.fr/2000LIMO0027.
Kataya, Zeinab. "Effets de température sur les nanoparticules de CoAg : structure et effets de ségrégation." Phd thesis, Université d'Orléans, 2013. http://tel.archives-ouvertes.fr/tel-01004367.
Mieusset, Roger. "Effets de la température sur les fonctions testiculaires et épididymaires." Paris 11, 1992. http://www.theses.fr/1992PA11T022.
Manel, Stéphanie. "Modélisation de la durée de développement pré-imaginal chez les poïkilothermes sous régime de températures variables." Lyon 1, 1995. http://www.theses.fr/1995LYO10277.
Foret, Lionel. "Effets de charges discrètes aux interfaces d'un électrolyte confiné." Bordeaux 1, 2003. http://www.theses.fr/2003BOR12720.
In an electrolyte film, if the lateral surface charge distance exceeds the screening length, the standard continuous approximation for the charge distribution fails. The discrete nature of the charge has to be taken into account. In interfacial geometries, screening of punctual charge is no longer exponential but algebraic ; the screening cloud charge density and the screened potential decay as r-3. As a consequence : (i) The screening cloud is spread along the interface and can reach a typical lateral length larger than the Debye length. (ii) There is a long-range interaction between the charges. We have shown that despite the r-3 law, this is not a dipolar interaction. If the discreteness of the charge is relavant, the disjoining pressure of the film deviates from that of homogeneously charged surfaces. The pressure is now due to the force created by each discrete charge and is thus, linear in surface charge density. The pressure of the discrete charges is strongly inhomogeneous and may deform "soft" interfaces. The deformations superposition induces an effective interaction of the surface charges. We have shown that the effective interaction of two charges on a liquid interface is repulsive. Thus, this force is not responsible for the charges attraction observed in recent experiments
Bacha, Elsy. "Développement par voie chimique à basse température de couches minces perovskite de titanates de baryum et de strontium." Nantes, 2010. http://archive.bu.univ-nantes.fr/pollux/show.action?id=a54e2d4c-9054-4414-a467-d4e9a15a7672.
The high-k character of ferroelectric materials allows their utilisation in electronic devices. The permittivity depends on intrinsic properties, film compactness, surface roughness, defects like oxygen vacancies in the case of a high temperature crystallization, etc. The present work aims to the development of dense and compact ferroelectric films at low temperatures. Two synthesis routes have been studied. The first is room temperature electrophoretic deposition of BaTiO3 and SrTiO3 nanoparticles, which were elaborated from inorganic precursors in an aqueous solution by a solvothermal route and stabilized in colloidal suspensions. X-Ray diffraction, SEM, TEM, IR and Raman spectroscopy, TGA / MS, density, and BET were employed in order to study composition and morphology of the nanoparticles as a function of the precursor nature and concentration and the thermal treatment. Photon correlation spectroscopy and zeta potential measurements allow determination of the nanoparticles sizes and the conditions for a stable colloidal solution. The second route is a low temperature solvothermal in-situ synthesis, directly from a titanium substrate. Dense and uniform BTO and STO films, slightly textured in the (001) direction, are obtained at temperatures below 200°C. The study of the dielectric properties indicates the existence of the BaTiO3 tetragonal phase. Dielectric losses may be related to space charges located at the grain boundaries which give rise to diffusion currents at low frequencies. The synthesis route developed may open the way for new applications and may also be adapted to other transition metal oxides
Книги з теми "Colloïdes – Effets de la température":
Gordon, Christopher J. Temperature and toxicology: An integrative, comparative, and environmental approach. Boca Raton, FL: Taylor & Francis, 2005.
Bureau de la sécurité des transports du Canada. CN Amérique du Nord train parti à la dérive point milliaire 175, subdivision Grande Cache Latornell (Alberta) 18 janvier 1994. Hull, Qué: Bureau de la sécurité des transports du Canada, 1995.
Stevens, R. A. The effect of wiping and spray wash temperature on bacterial retention of abraded domestic sink surface. Toronto, Ont: Nickel Development Institute, 1993.
Kaufman, J. G. Relational analysis: Guidelines for estimating the high- and low-temperature properties of metals. Materials Park, Ohio: ASM International, 2011.
Yutaka, Tochihara, Ohnaka Tadakatsu, and International Conference on Environmental Ergonomics (10th : 2002 : Fukuoka, Japan), eds. Environmental ergonomics: The ergonomics of human comfort, health, and performance in the thermal environment. Amsterdam: San Diego, CA, 2005.
S, Purohit S., ed. Hormonal regulation of plant growth and development. Dordrecht: M. Nijhoff/W. Junk, 1985.
International RILEM Workshop on Resistance of Concrete to Freezing and Thawing with or without De-icing Chemicals (1997 University of Essen). Frost resistance of concrete: Proceedings of the International RILEM Workshop on Resistance of Concrete to Freezing and Thawing with or without De-icing Chemicals, University of Essen, September 22-23, 1997. London: E & FN Spon, 1997.
McKinnon, L. M. The effects of soil temperature and site preparation on subalpine and boreal tree species: A bibliography. Victoria, B.C: Natural Resources Canada, Canadian Forest Service, Pacific Forestry Centre, 2002.
Clark, R. P. Man and his thermal environment. London: E. Arnold, 1985.
Metz, Bert. Controlling climate change. New York: Cambridge University Press, 2009.
Частини книг з теми "Colloïdes – Effets de la température":
"13 Effets de température." In Exercices de neutronique, 59–62. EDP Sciences, 2004. http://dx.doi.org/10.1051/978-2-7598-0161-9.c016.
"13 Effets de température." In Exercices de neutronique, 216–20. EDP Sciences, 2004. http://dx.doi.org/10.1051/978-2-7598-0161-9.c049.
"Chapitre 7. Effets neutroniques liés à la température." In Histoire et techniques des réacteurs nucléaires et de leurs combustibles, 237–50. EDP Sciences, 2020. http://dx.doi.org/10.1051/978-2-7598-2032-0-011.
"Chapitre 7. Effets neutroniques liés à la température." In Histoire et techniques des réacteurs nucléaires et de leurs combustibles, 237–50. EDP Sciences, 2020. http://dx.doi.org/10.1051/978-2-7598-2032-0.c011.
GAO, Kunshan, Wenyan ZHAO, and John BEARDALL. "Réponses futures des producteurs primaires marins aux changements environnementaux." In Planète bleue, photosynthèse rouge et verte, 277–308. ISTE Group, 2023. http://dx.doi.org/10.51926/iste.9082.ch9.