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Artykuły w czasopismach na temat "Taille des pores"
SULLIVAN, JOHN P., i CARL D. HOPKINS. "A new Stomatorhinus (Osteoglossomorpha: Mormyridae) from the Ivindo River, Gabon, West Central Africa". Zootaxa 847, nr 1 (1.02.2005): 1. http://dx.doi.org/10.11646/zootaxa.847.1.1.
Pełny tekst źródłaHattab, Mahdia, Soumia Bouziri-Adrouche i Jean-Marie Fleureau. "Évolution de la microtexture d’une matrice kaolinitique sur chemin triaxial axisymétrique". Canadian Geotechnical Journal 47, nr 1 (styczeń 2010): 34–48. http://dx.doi.org/10.1139/t09-098.
Pełny tekst źródłaFauchille, Anne-Laure, Bram van den Eijnden, Kevin Taylor i Peter David Lee. "Détermination de la taille et du nombre d’échantillons devant être analysés en laboratoire pour la caractérisation statistique de la microstructure d’une roche argileuse". Revue Française de Géotechnique, nr 165 (2020): 1. http://dx.doi.org/10.1051/geotech/2020024.
Pełny tekst źródłaZimmermann, Karen, i J. Mark Hipfner. "Egg Size, Eggshell Porosity, and Incubation Period in the Marine Bird Family Alcidae". Auk 124, nr 1 (1.01.2007): 307–15. http://dx.doi.org/10.1093/auk/124.1.307.
Pełny tekst źródłaDidier, Philippe, Dominique Perret, Yves Tardy i Daniel Nahon. "Equilibres entre kaolinites ferrifères, goethltes alumineuses et hématites alumineuses dans les systèmes cuirassés. Rôle de l'activité de l'eau et de la taille des pores / Equilibria between Fe-kaolinites, Al-goethites and Al-hematltes in ferricretes. Part of water activity and pore size". Sciences Géologiques. Bulletin 38, nr 4 (1985): 383–97. http://dx.doi.org/10.3406/sgeol.1985.1715.
Pełny tekst źródłaOssebi, Walter, Simplice Bosco Ayssiwede, Félix Nimbona, Richard Malou, Augustin Eric Djettin, Mariame Diop i Ayao Missohou. "Analyse zootechnique et économique des systèmes d’élevage de porcs en Casamance (Sénégal)". Revue d’élevage et de médecine vétérinaire des pays tropicaux 72, nr 1 (16.05.2019): 13. http://dx.doi.org/10.19182/remvt.31258.
Pełny tekst źródłaSosina, A. O., O. J. Babayemi i P. A. Adewuyi. "GIS mapping of pig population and distribution in the derived savannah, Oyo state, Nigeria". Nigerian Journal of Animal Production 49, nr 3 (9.06.2022): 198–205. http://dx.doi.org/10.51791/njap.v49i3.3550.
Pełny tekst źródłaDotché, Ignace Ogoudanan, Serge Gbênagnon Ahounou, Chakirath Folakè Arikè Salifou, Rodrigue Biobou, Pascal Sègbégnon Kiki, Benoit Govoeyi, Nicolas Antoine-Moussiaux i in. "Critères de choix et de réforme des reproducteurs mâles et femelles dans les élevages de porcs des départements de l’Ouémé et du Plateau au Bénin". Revue d’élevage et de médecine vétérinaire des pays tropicaux 71, nr 1-2 (9.09.2018): 47. http://dx.doi.org/10.19182/remvt.31224.
Pełny tekst źródłaAprilia, Dhea, Harliansyah i Nenden Lilis. "Sleep Pattern Factors on Premature Skin Aging in YARSI University Medical Students, Force of 2021". International Journal of Science and Society 6, nr 1 (5.01.2024): 82–88. http://dx.doi.org/10.54783/ijsoc.v6i1.997.
Pełny tekst źródłaPerwitasari-Farajallah, Dyah, Hana Intishar Sawitri, Silvy Thiyana, Tommy Langgeng Abimanyu, Entang Iskandar i Huda Shalahudin Darusman. "Analyses of Vegetation Used by Long-tailed Macaque (<i>Macaca fascicularis</i> Raffles 1821) in Tinjil Island". Journal of Tropical Biodiversity and Biotechnology 8, nr 1 (17.03.2023): 70739. http://dx.doi.org/10.22146/jtbb.70739.
Pełny tekst źródłaRozprawy doktorskie na temat "Taille des pores"
Mihindou-Koumba, Pierre-Claver. "Transformation du méthylcyclohexane sur zeolithes à taille de pores intermediaire". Poitiers, 2007. http://www.theses.fr/2007POIT2280.
Pełny tekst źródłaThis work refers to the catalytic cracking (FCC). The objective was to study, at 350° C, the transformation of methylcyclohexane, a model molecule of naphtene compounds over various intermediate pore size zeolites: MFI, EUO et MWW (Si/Al = 15) in order to determine the effect of the pore structure and acidity of zeolites. EUO zeolite is more active than MFI, as EUO possess a low amount of protonic acid sites and narrowest pores. This result can be attributed to a large crystallite size of MFI. Cracking is the predominant reaction of both zeolites, but coke formation is higher over EUO. MWW zeolite is also active than MFI while cracking selectivity is lower. This is certainly due to the presence of supercages and of external cups on MWW which make easier the diffusion of methylcyclohexane isomers and disadvantage this cracking. However, change in selectivity was observed during zeolite deactivation, isomers formation increases with time on stream. The explanation can be related to the particular pore structure of this zeolite. The internal porous system deactivates by coke formation increases the internal cups don’t favorise the retention of coke components. This reaction occurs preferentially in the internal cups when the methylcyclohexane isomers can be rapidly desorbed before their cracking
Largeot, Céline. "Développement de supercondensateurs carbone/carbone : relation entre la taille des ions de l'électrolyte et la taille des pores de la matière active". Toulouse 3, 2009. http://thesesups.ups-tlse.fr/529/.
Pełny tekst źródłaThe aim of this work is to study ion/porous carbon interactions in supercapacitor electrodes to improve their electrochemical performances. Titanium Carbide Derived Carbon (TiC-CDC) are microporous carbon with monodisperse porosity. They allowed us to finely study the interactions between electrolyte's ion size and active material pore size during the electrochemical double layer formation in two different kind of electrolyte (organic and ionic liquid). Unlike to traditional views, in order to maximise capacitance, carbon pore size must be close to electrolyte ions size. It was demonstrated that ions adsorbed on carbon's surface are at least partially desolvated. As carbon porosity is well adapted to electrolyte ions size, the capacity is improved of 40 % in acetonitrile and 60 % in ionic liquid. This corresponds respectively to an enhancement by two and by three of the energy of supercapacitors
Sirijarukul, Suksawat. "Elaboration de membranes à traces en poly(éthylènetéréphtalate) ayant un gradient linéaire de taille de pore et une porosité constante". Montpellier 2, 2007. http://www.theses.fr/2007MON20110.
Pełny tekst źródłaA new type of polymer track-etch membrane was produced with a gradient of pore size and another gradient of pore density along the large dimension of the membrane. Those gradients are independently very well controlled and obtained by simple procedures. In a first step, the pore density gradient is created by displacing the poly(ethyleneterephthalate) –PET- film in front of a swift heavy ions beam of varying flux. In a second step, the pore size is controlled by dipping progressively the previously ion beam exposed film into an aqueous solution of 2N NaOH at 50°C. The relationship between both gradients at any position along the membrane is predetermined before preparation: we have chosen to maintain porosity constant with a linear gradient of pore size. Scanning electron microscopy measurements allowed verification of the existence of a cylindrical pore through the whole thickness (13 µm) of the PET film after exposure to UV light centred around 312 nm. A theoretical model has been proposed which describes tangential filtration in a channel where one wall is such a membrane: the case of constant permeability leads to relatively simple analytical expressions contrary to the case of constant porosity. One cell was built up and characterized by electrical and hydraulic measurements. The membrane hydrophobic character is attenuated at high pH (10-2N NaOH) by ionization of the carboxylic groups. We showed also that varying etching time to obtain a gradient of pore size did not induce a wettability gradient provided that the material was previously exposed to UV radiation
Malvault, Guillaume. "Détermination expérimentale de la distribution de taille de pores d’un milieu poreux par l’injection d’un fluide à seuil ou analyse harmonique". Thesis, Paris, ENSAM, 2013. http://www.theses.fr/2013ENAM0040/document.
Pełny tekst źródłaTwo approaches to characterize porous media in terms of pore size distribution (PSD) are developed within our ECPS team. The aim of this study is to experimentally confirm their validity. Like the other methods using mercury intrusion, adsorption isotherm or thermoporometry, the first method consists in the use of a fluid flow threshold. Indeed, the use of flow of a yield-stress fluid like those of Herschel-Bulkley's, through a porous media, versus the pressure gradient, permits (using the analytical and numerical solutions of the inverse problem) to determine the distribution function of its PSD. The second method uses the complex admittance of a porous medium, measured from the flow rate response to a harmonic pressure gradient. As the frequency of the sollicitation is related to the pore radius through the hydrodynamic penetration depth, the admittance allows to determine the PSD using numerical solution of the associated inverse problem. Both techniques are based on the parallel capillaries bundle model, as used in most of similar studies. Our experiments use calibrated porous media. The application of these techniques to real porous media is currently lead in collaboration with the TREFLE (Bordeaux). Our experimental results clearly confirm the validity and the applicability of these methods for the characterization of the PSD. It is now possible to transfer them for an industrial use
Gassara, Sana. "Préparation des membranes à base de poly(étherimide) fonctionnalisées et à taille de pores contrôlée : application à la séparation sélective des ions et des acides aminés". Thesis, Montpellier 2, 2013. http://www.theses.fr/2013MON20131.
Pełny tekst źródłaFunctionalized poly(etherimide) (PEI) membranes with controlled pore size were prepared based on two steps : preparation of UF membranes with a molecular weight cut-Off (MWCO) of 120 ± 10 kDa by phase inversion induced by coagulation in water followed by a surface treatment with an aqueous solution containing amino oligomers. Modification with a commercial monoamine derivative, Jeffamine M-2070, gave membranes (PEG-PEI) coated with brushes of poly (ethylene glycol) short chains that made the membrane more hydrophilic and more resistant to fouling by BSA with a recovery flow rate of of 80 to 93 % (treatment of 1 to 3 h). The MWCO of PEG-PEI membranes treated more than 3 h became progressively larger and reached 500 kDa after 5 h of treatment. On the other hand, reaction with oligomers of poly (ethyleneimine) gave positively charged membranes (Cat-PEI) by narrowing the pore size yielding tight UF and NF membranes. Cat-PEI NF membranes with MWCO of about 300-500 Da are suitable for desalination with a retention order of decreasing simple salts CaCl2> NaCl> MgSO4> Na2SO4. The high retention of Ca2+ ions (more than 90%) make Cat-PEI effective membranes for softening water (reducing the hardness of tap water from 37 to 7 °F). In addition, Cat-PEI membranes showed a good retention of basic amino acids (more than 80% for arginine and lysine) at pH between 3 and 6. Thus, an experimental selectivity of about 20 was obtained for a glutamic acid and arginine mixture using Cat-PEI membranes with a MWCO between 500 and 750 Da
Letellier, Franck. "Influence de la taille des pores du support MCM-41 sur les propriétés catalytiques du platine en hydrogénation et hydrodesalkylation d'aromatiques". Paris 6, 2004. http://www.theses.fr/2004PA066206.
Pełny tekst źródłaMeynard, Joane. "Influence de la taille, de la morphologie et de la distribution spatiale des pores sur la conductivité thermique de céramiques UO2". Thesis, Aix-Marseille, 2019. http://www.theses.fr/2019AIXM0607.
Pełny tekst źródłaInside a nuclear reactor core, the behavior of fuels is largely controlled by thermal phenomena. That is why it is very important to model the thermal behavior of fuels very precisely.The objective of this study is to develop a model that indicates the influence of porosity on thermal conductivity at 50° that is representative of the thermal behavior of the UO2 fuels. UO2 fuels were manufactured and their microstructures were studied using optical microscopy, SEM-FIB and X-ray tomography. Two types of porosity were identified: 1) sealed and near-spherical pores which are located in UO2 aggregates, and 2) an interconnected "assembly" porosity located at the interfaces of aggregates. Several descriptive parameters were estimated by immersion measurements and image analysis. Studies based on analytical and numerical homogenization were conducted. Numerical calculations using the Fast Fourier Transform method were performed on images of slice planes obtained with imaging technologies or 3D simulated microstructures generated with an original morphological model reproducing some characteristics of the observed porosity networks. The significant impact of the spatial distribution and the interconnection of the assembly porosity on the thermal conductivity of manufactured UO2 fuels were highlighted. Finally, the proposed model was compared with experimental thermal diffusivity measurements obtained by the Flash method.Discrepancies between the model and the experimental measurements have been largely reduced with the proposed model compared with the standard models, which means that the developed model is more representative of the UO2 thermal behavior
Altinier, Maria Victoria. "Etude de la composition isotopique des eaux porales de l'argilite de Tournemire : inter-comparaison des méthodes de mesure et relations avec les paramètres pétrophysiques". Paris 11, 2006. http://www.theses.fr/2006PA112065.
Pełny tekst źródłaRodriguez, de Castro Antonio. "Flow experiments of yield stress fluids in porous media as a new porosimetry method". Thesis, Paris, ENSAM, 2014. http://www.theses.fr/2014ENAM0021/document.
Pełny tekst źródłaCurrent experimental methods used to determine pore size distributions (PSD)of porous media present several drawbacks such as toxicity of the employed fluids (e.g., mercury porosimetry). The theoretical basis of a new method to obtain the PSD by injecting yield stress fluids through porous media and measuring the flow rate Q at several pressure gradients ∇P was proposed in the literature. On the basis of these theoretical considerations,an intuitive approach to obtain PSD from Q(∇P) is presented in this work. It relies on considering the extra increment of Q when ∇P is increased, as a consequence of the pores of smaller radius newly incorporated to the flow. This procedure is first tested and validated on numerically generated experiments. Then, it is applied to exploit data coming from laboratory experiments and the obtained PSDs are compared to those deduced by mercury porosimetry and micro tomography
Ali, Imtiaz. "Contribution à l'étude du comportement mécanique des fibres recyclées. Applications aux supports fibreux". Phd thesis, Université de Grenoble, 2012. http://tel.archives-ouvertes.fr/tel-00872112.
Pełny tekst źródłaKsiążki na temat "Taille des pores"
Baltet, Charles. Culture du poirier: Comprenant la plantation, la taille, la mise à fruit et la description abrégée des cent meilleures poires. Adamant Media Corporation, 2001.
Znajdź pełny tekst źródłaCzęści książek na temat "Taille des pores"
Qi, Yue, Ruqing Zhong, Benjamin Kaiser, Long Nguyen, Hans Jakob Wagner, Alexander Verl i Achim Menges. "Working with Uncertainties: An Adaptive Fabrication Workflow for Bamboo Structures". W Proceedings of the 2020 DigitalFUTURES, 265–79. Singapore: Springer Singapore, 2021. http://dx.doi.org/10.1007/978-981-33-4400-6_25.
Pełny tekst źródłaElahi, Sepideh Hakim, i Isabel C. Escobar. "Investigation of the Effects of Thickness and Presence of Pore Formers on Tailor-Made Ultrafiltration Polysulfone Membranes". W ACS Symposium Series, 271–83. Washington, DC: American Chemical Society, 2011. http://dx.doi.org/10.1021/bk-2011-1078.ch016.
Pełny tekst źródłaBouwmeester –, W., E. Schlangen i van den Bos. "Influence of curing on the pore structure of concrete". W Tailor Made Concrete Structures, 40. CRC Press, 2008. http://dx.doi.org/10.1201/9781439828410.ch16.
Pełny tekst źródłaSwastic i Jegatha Nambi Krishnan. "Nanoporous Metallic Films". W Nanopores [Working Title]. IntechOpen, 2021. http://dx.doi.org/10.5772/intechopen.95933.
Pełny tekst źródłaWang, Chang Jiang, Kevin Hazlehurst, Arun Arjunan i Lida Shen. "Analysis of the Porous Structures from Laser Powder Bed Fusion Additive Manufacturing". W Advances in Transdisciplinary Engineering. IOS Press, 2021. http://dx.doi.org/10.3233/atde210019.
Pełny tekst źródłaEimeleus, K. B. E. E. "Skis as a Brake". W Skis in the Art of War, tłumaczy William D. Frank i E. John B. Allen, 70–72. Cornell University Press, 2019. http://dx.doi.org/10.7591/cornell/9781501747403.003.0020.
Pełny tekst źródłaMaraddi, A. S. "Polymer-Based Membranes". W Advanced Functional Membranes, 1–42. Materials Research Forum LLC, 2022. http://dx.doi.org/10.21741/9781644901816-1.
Pełny tekst źródłaRipmeester, John A., i L. S. Kotlyar. "2H NMR and Gel Formation of the Ultrafine Solids Fraction Associated with the Athabasca Oil Sands Fine Tails". W Nuclear Magnetic Resonance Spectroscopy in Environment Chemistry. Oxford University Press, 1997. http://dx.doi.org/10.1093/oso/9780195097511.003.0017.
Pełny tekst źródłaPeterson, Janine Larmon. "Methods of Contesting Authority". W Suspect Saints and Holy Heretics, 196–217. Cornell University Press, 2019. http://dx.doi.org/10.7591/cornell/9781501742347.003.0009.
Pełny tekst źródłaRosell, Frank, i Róisín Campbell-Palmer. "Territoriality, communication, and populations". W Beavers, 221–60. Oxford University Press, 2022. http://dx.doi.org/10.1093/oso/9780198835042.003.0007.
Pełny tekst źródłaStreszczenia konferencji na temat "Taille des pores"
Xie, H., G. J. Yang, C. X. Li i C. J. Li. "Multi-Scale Multi-Points Inter-Splat Connection Enhanced Sintering Model for Plasma-Sprayed Lamellar TBCs". W ITSC 2014, redaktorzy R. S. Lima, A. Agarwal, M. M. Hyland, Y. C. Lau, G. Mauer, A. McDonald i F. L. Toma. DVS Media GmbH, 2014. http://dx.doi.org/10.31399/asm.cp.itsc2014p0774.
Pełny tekst źródłaSchondel, J. Patrick, i Michael R. Robinson. "VECTOR Program Background and Plan". W ASME 1998 International Gas Turbine and Aeroengine Congress and Exhibition. American Society of Mechanical Engineers, 1998. http://dx.doi.org/10.1115/98-gt-145.
Pełny tekst źródłaEkberg, J., U. Klement, S. Creci i L. Nordstierna. "Porosity Measurements on Heat Treated Suspension Plasma Sprayed YSZ Coatings Using NMR Cryoporometry". W ITSC2017, redaktorzy A. Agarwal, G. Bolelli, A. Concustell, Y. C. Lau, A. McDonald, F. L. Toma, E. Turunen i C. A. Widener. DVS Media GmbH, 2017. http://dx.doi.org/10.31399/asm.cp.itsc2017p0308.
Pełny tekst źródłaJandhyala, Siva Rama Krishna, i Walmy Cuello Jimenez. "Design Tool to Tailor Properties of Cement for P&A Applications". W Offshore Technology Conference. OTC, 2023. http://dx.doi.org/10.4043/32624-ms.
Pełny tekst źródłaBroughton, Justin, i Yogendra Joshi. "A Numerical Investigation of Additive Manufactured Foam Structures for Single Phase Hotspot Thermal Management". W ASME 2019 International Technical Conference and Exhibition on Packaging and Integration of Electronic and Photonic Microsystems. American Society of Mechanical Engineers, 2019. http://dx.doi.org/10.1115/ipack2019-6519.
Pełny tekst źródłaGordeev, E. I. "Detecting near-tail current sheet formation using isotropic boundaries: lessons from global MHD." W Physics of Auroral Phenomena. FRC KSC RAS, 2020. http://dx.doi.org/10.37614/2588-0039.2020.43.002.
Pełny tekst źródłaHassaine Daoudji, Doriane Ibtissam, Quentin Struss, Amrid Amnache, Étienne Léveillé, Mahmood Reza Salim Shirazy i Luc G. Fréchette. "Impact of Micropillar Density Distribution on the Capillary Limit of Heat Pipes". W ASME 2020 Heat Transfer Summer Conference collocated with the ASME 2020 Fluids Engineering Division Summer Meeting and the ASME 2020 18th International Conference on Nanochannels, Microchannels, and Minichannels. American Society of Mechanical Engineers, 2020. http://dx.doi.org/10.1115/ht2020-9001.
Pełny tekst źródłaZhang, Yanna, Liangchuan Li, Fei Yan i Yucai Wang. "The Study and Application of Seepage Reconstruction for Water Plugging in High Permeability Sandstone Reservoirs". W SPE International Conference on Oilfield Chemistry. SPE, 2023. http://dx.doi.org/10.2118/213865-ms.
Pełny tekst źródłaLoghin, Adrian, Al Cerrone, Anjali Singhal i Ying Zhou. "Connecting Computed-Tomography-Assisted Discontinuity Detection in Ni-Base Superalloys to Engineering Simulation". W ASME Turbo Expo 2017: Turbomachinery Technical Conference and Exposition. American Society of Mechanical Engineers, 2017. http://dx.doi.org/10.1115/gt2017-65087.
Pełny tekst źródłaDonald A., Anschutz, Wildt Patrick J., Stribling K. Michelle, Craig Jim, Curimbaba Luiz R., Silva Pedro i Abou-sayed Ibrahim S. "An Advanced Proppant Depositional Study with Post-Production Flow Evaluation in a 10' X 20', Transverse Fracture, Slot Flow Configuration". W SPE Annual Technical Conference and Exhibition. SPE, 2021. http://dx.doi.org/10.2118/206212-ms.
Pełny tekst źródłaRaporty organizacyjne na temat "Taille des pores"
Peitz, David, i Naomi Reibold. White-tailed deer monitoring at Arkansas Post National Memorial, Arkansas: 2005–2020 trend report. Redaktor Tani Hubbard. National Park Service, kwiecień 2021. http://dx.doi.org/10.36967/nrr-2285087.
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