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Artykuły w czasopismach na temat "Instrumentation à faible coût"
Kambia-Chopin, Bidénam. "Coûts de l’autoprotection et équilibre d’un marché de l’assurance concurrentiel". Articles 79, nr 3 (25.01.2005): 327–47. http://dx.doi.org/10.7202/009903ar.
Pełny tekst źródłaCarpentier, Cécile, i Jean-Marc Suret. "Le coût du capital entrepreneurial". Revue internationale P.M.E. 24, nr 3-4 (24.01.2013): 103–36. http://dx.doi.org/10.7202/1013664ar.
Pełny tekst źródłaAmrani, M. El, i M. Benyahia. "Calcifications vasculaires de l’hémodialysé : bien dépister à faible coût". Néphrologie & Thérapeutique 11, nr 5 (wrzesień 2015): 314. http://dx.doi.org/10.1016/j.nephro.2015.07.134.
Pełny tekst źródłaAbekiri, Najib. "Laboratoire à faible coût pour l’enseignement pratique à distance". Projectics / Proyéctica / Projectique 33, nr 1 (29.12.2022): 65–73. http://dx.doi.org/10.3917/proj.033.0065.
Pełny tekst źródłaBerthier, Thierry, i Gérard de Boisboissel. "Robotique à faible coût : métriques de la dissémination, usages malveillants et LAD". Revue Défense Nationale N° 865, nr 10 (11.12.2023): 43–51. http://dx.doi.org/10.3917/rdna.865.0043.
Pełny tekst źródłaSahi, Samira, Hocine Djidjelli, Souad Touazi i Amar Boukerrou. "Valorisation des déchets ligno-cellulosiques pour la préparation d’un nouveau matériau composite PVC/farine des noyaux de dattes". Matériaux & Techniques 109, nr 1 (2021): 102. http://dx.doi.org/10.1051/mattech/2021014.
Pełny tekst źródłaDeclerck, Francis. "Volatilité des prix des matières premières et gestion de risques par les agro-industries". Économies et Sociétés. Systèmes agroalimentaires 42, nr 1130 (2008): 2285–95. http://dx.doi.org/10.3406/esag.2008.968.
Pełny tekst źródłaJenkyn, Krista Bray, Jeffrey S. Hoch i Mark Speechley. "How Much Are We Willing to Pay to Prevent A Fall? Cost-Effectiveness of a Multifactorial Falls Prevention Program for Community-Dwelling Older Adults". Canadian Journal on Aging / La Revue canadienne du vieillissement 31, nr 2 (24.05.2012): 121–37. http://dx.doi.org/10.1017/s0714980812000074.
Pełny tekst źródłaNiro, J., i O. Raspado. "Comment je fais… un dispositif monotrocart de cœlioscopie à faible coût". Gynécologie Obstétrique & Fertilité 43, nr 11 (listopad 2015): 748–50. http://dx.doi.org/10.1016/j.gyobfe.2015.08.006.
Pełny tekst źródłaBoujday, Souhir, i Michèle Salmain. "Nanoparticules d’or pour les biocapteurs : lecture optique de la reconnaissance moléculaire". Photoniques, nr 106 (styczeń 2021): 39–43. http://dx.doi.org/10.1051/photon/202110639.
Pełny tekst źródłaRozprawy doktorskie na temat "Instrumentation à faible coût"
Cesaro, Umberto. "Advanced instrumentation for smart monitoring and automatic diagnostics in industrial and health applications". Electronic Thesis or Diss., Amiens, 2020. http://www.theses.fr/2020AMIE0040.
Pełny tekst źródłaIn this thesis, the feasibility of a method to measure the quantity of drug administered transdermally by impedance spectroscopy is demonstrated. The thesis proves the relevance of the impedance measurement to assess the quantity of drug penetrated into the skin after transdermal administration. In particular, the measured quantity of drug depends linearly on the variation in amplitude of impedance normalized to the pretreated value. In this thesis, the feasibility of a method to measure the quantity of drug administered transdermally by impedance spectroscopy is demonstrated.This thesis is made up of several parts, briefly described below. The first chapter presents an overview of electrical impedance spectroscopy and its applications. The second chapter talks about transdermal administration. This chapter also shows the feasibility of a method to measure the amount of drug transported transdermally. Next, the Drug Under Skin Meter (DUSM), a general purpose bioimpedance device capable of determining the amount of drug transmitted transdermally, is proposed. In the thesis, the concept and physical design of the instrument, as well as details on its production and operation, are illustrated. In addition, the experimental results obtained are illustrated The results indicate that the quantity of drug delivered can be evaluated by reasonable metrological performance by a single measurement of the amplitude of the impedance at a single frequency. The prototyped device has been shown to be able to identify the amount of drug (ml) delivered to a test tissue, by measuring the impedance spectrum before and after administration. The volume of drug (ml) transported through the skin is evaluated by locally measuring the bioimpedance before and after childbirth. In therapeutic applications, the instrument can provide an inexpensive and clinically portable solution. Then, the metrological characterization, using the injection as reference subcutaneous transfer of a known volume of drug, is reported, in laboratory, in vitro on eggplants and ex vivo, on ear pigs. The results of resolution, short-term stability, interindividual tissue reproducibility, sensitivity, repeatability and linearity indicate remarkable scenarios of clinical applications for such a bioimpedance device. Chapter three shows how the DUSM could also be used to monitor insulin absorption: a transducer on a chip, to monitor insulin that is actually bio-available after administration in clinical diabetology, is proposed. Bioavailability after administration is assessed by monitoring the amount of insulin under the skin using a bioimpedance measurement. An individual model, specific to each person during each insulin injection is identified, characterized and validated, to manage the individual inter and intra differences. Ideas of concept, architecture and operation of the transducer, as well as details on its prototype, are illustrated. Then, metrological characterization and validation are reported in the laboratory, as well as in vitro on eggplants, using injection as a reference subcutaneous transfer of a known volume of insulin. The results of significant intra-individual reproducibility in vitro on eggplants indicate significant scenarios for assessing the bioavailability of insulin in clinical diabetology. As an important branch of this research, the possibility of studying failure conditions in industrial plants was explored in Chapter 4. Finally two collateral works developed during this study period are presented
Polonovski, Jean-Pierre. "Conversion numérique analogique à faible coût". Paris 11, 1985. http://www.theses.fr/1985PA112378.
Pełny tekst źródłaTwo D/A conversion techniques are discussed. The first one consists on averaging a digital signal of a given duty cycle. The second one uses two equal switched capacitors
Dehaese, Nicolas. "Etude et simulation d'un système sur puce radiofréquence pour les applications faible coût et faible consommation". Aix-Marseille 1, 2005. http://www.theses.fr/2005AIX11066.
Pełny tekst źródłaCamus, Manuel. "Architecture de réception RF très faible coût et très faible puissance : application aux réseaux de capteurs et au standard ZigBee". Phd thesis, Université Paul Sabatier - Toulouse III, 2008. http://tel.archives-ouvertes.fr/tel-00309926.
Pełny tekst źródłaDruga, Mirela. "Méthodologie de conception d’aérogénérateurs optimaux, à faible coût, à destination des sites isolés". Le Havre, 2011. http://www.theses.fr/2011LEHA0021.
Pełny tekst źródłaThe strong increase of the small wind turbine production requires the review of the existing technologies to suit the expanding need. This thesis develops a design and optimal sizing methodology of stand alone wind systems. The statistical profile of wind resource, the expected consumption and the specification targets are taken into account. Our choice of generator is based on PMSM, in order to maximize the efficiency of the wind energy conversion within economically viable topologies. This study highlights different possible scenarios to drive the system and predicts how to take into account the system control. The simulation using a recorded wind data allowed the validation of our models in real situations. Our software approach advantages are modularity and adaptability. By choosing the relevant settings for each system element and using our results as database, a multi-criteria constrained optimization method can be applied. Therefore a library of models depending on the site and its energy demand could be built in order to expand our approach. The developed code has the ability to generate optimal sizing, where the cost per kWh is taken into account, which is a critical point for manufacturers and users
David-Grignot, Stéphane. "Mesure de bruit de phase faible coût à l'aide de ressources de test numériques". Thesis, Montpellier, 2015. http://www.theses.fr/2015MONTS055/document.
Pełny tekst źródłaIn recent decades, the microelectronics industry has experienced a wide democratization of the use of telecommunication applications. The improved process design and manufacturing have produced complex and high performance analog, mixed and radio frequency circuits for these applications. However, the test cost of these integrated circuits still represents a large part of the manufacturing cost. Indeed, very often, analog testing is not just a functional test but needs measurements for specification validations. These measurements require the use of dedicated instruments expensive resources on standard industrial test equipment.One of the essential but costly specifications to validate in RF circuitry is the phase noise level. The currently used industrial technique consists in capturing the signal from the circuit under test using an RF tester channel equipped with a high performance analog to digital converter; a Fourier transform is then applied to the digitized signal and the phase noise is measured on the resulting spectrum.The approach proposed in this thesis is to achieve the phase noise measurement using solely digital low-cost resources. The basic idea is to perform 1-bit capture of the analog signal with a standard digital channel and develop post-processing algorithms dedicated for phase noise evaluation from the zero-crossings of the signal.Two methods are presented. The first method is based on an estimate of the instantaneous signal frequency and an analysis of their dispersion induced by phase noise. This method imposes a strong constraint on the sampling frequency to be used and proved to be sensitive to noise amplitude, limiting the range of possible measures. A second method is then proposed to overcome these limitations. From the binary capture of the analog signal, a reconstruction of the instantaneous phase of the signal is carried out, then filtered and characterized by a common tool of frequency stability assessment: the Allan variance. This technique, robust to amplitude noise and jitter, can be parametrized and enables efficient characterization of phase noise without fundamental constraint.In addition to the simulations, these techniques are subject to a stochastic study and are validated experimentally on different types of signals to be measured - artificially generated or from chips on the market - and with different measuring instruments - on oscilloscope or industrial tester, in laboratory and on a production line-. An On-chip implementation is also proposed and validated with a FPGA prototype
Troubat, Nicolas. "Régulation autonome du myocarde et activité métabolique lors de tâches à faible coût énergétique". Poitiers, 2009. http://www.theses.fr/2009POIT2295.
Pełny tekst źródłaThe main purpose of this work was to assess the impact of the low cost energy activities (physical and cognitive tasks) on energy metabolism through indirect calorimetry and of automatic regulation of the myocardium through measures of heart rate variability measures. The objective of the first study was to assess the effects of a psychological stress on the physiological responses. The result suggested a stimulation of the sympathetic nervous system with an unchanged of the parasympathetic system activity. Changes recorded in terms of energy substrate and sympathetic nervous system activity appeared to be due to the strong cognitive requirements of the proposed situation. Our second study was intended to test the effects of cold and a cognitive work on the physiological responses during a repetitive work. The results suggested that the combination of cold and cognitive task is responsible for strong cardio-respiratory, energy and muscle adaptations. Low energy cost activities (physical and cognitive tasks) resulted in significant variations of physiological functions which are closed from chronic stress. This project has opened new perspectives of research on the understanding of physiological phenomena governing cognitive activities and human adaptation to the multiplication of stress factors
Gaubert, Jean. "Contribution à l'étude d'interfaces analogiques hautes fréquences pour objets communicants à faible coût de fabrication". Habilitation à diriger des recherches, Université de Provence - Aix-Marseille I, 2007. http://tel.archives-ouvertes.fr/tel-00796512.
Pełny tekst źródłaDurand, Sylvain. "Commande faible coût pour une réduction de la consommation d'énergie dans les systèmes électroniques embarqués". Phd thesis, Université de Grenoble, 2011. http://tel.archives-ouvertes.fr/tel-00586620.
Pełny tekst źródłaAlrammouz, Rouba. "Conception et réalisation d’un système de détection de gaz à faible coût sur substrat flexible". Thesis, Montpellier, 2019. http://www.theses.fr/2019MONTS134.
Pełny tekst źródłaCurrent concerns for environmental protection and public health focus on air quality in industries, cities and households. Nowadays, paper-based gas sensors are of increasing interest due to their low cost, biodegradability, flexibility and applications in e-textiles, e-dressings and e-packaging.Graphene oxide is a derivative of graphene with exceptional electrical, mechanical and thermal properties. Graphène oxide is a promising material for the development of low-cost room temperature gas sensors.In this context, this thesis aims to integrate a graphene oxide sensing layer inside a porous paper substrate for humidity and ammonia detection. The first part of this work focuses on the fabrication, functionalization and optimization of capacitive porous gas sensors on paper. A new local reduction process of graphene oxide into electrodes is introduced. The process is hot-plating, a low cost technique compatible with large scale productionThe second part of this work studies the humidity and ammonia sensing capabilities of the sensors. Graphene oxide on paper exhibits a high sensitivity towards ammonia, with humidity as an interfering gas. The local reduction of graphène oxide into electrodes, and its functionalization with zinc oxide increased the sensitivity and selectivity of the device towards humidity. The fabricated sensors exhibit a good repeatability, reproducibility and flexibility
Części książek na temat "Instrumentation à faible coût"
"Le jeu faucon/colombe avec un faible coût de conflit". W La théorie des jeux en images, 104–8. EDP Sciences, 2020. http://dx.doi.org/10.1051/978-2-7598-2244-7-040.
Pełny tekst źródła"Le jeu faucon/colombe avec un faible coût de conflit". W La théorie des jeux en images, 104–8. EDP Sciences, 2020. http://dx.doi.org/10.1051/978-2-7598-2244-7.c040.
Pełny tekst źródłaPalier, Bruno. "Que sait‐on du travail ?" W Que sait‐on du travail ?, 160–75. Presses de Sciences Po, 2023. http://dx.doi.org/10.3917/scpo.colle.2023.01.0160.
Pełny tekst źródła"6. Bonne absorptivité, mauvais transport, faible coût : les cellules en couches minces, organiques, amorphes, pérovskites". W L'énergie solaire photovoltaïque, 83–92. EDP Sciences, 2023. http://dx.doi.org/10.1051/978-2-7598-2924-8.c010.
Pełny tekst źródła"5. Bon transport électronique et coût raisonnable, mais faible absorption optique : les cellules en silicium cristallin". W L'énergie solaire photovoltaïque, 67–82. EDP Sciences, 2023. http://dx.doi.org/10.1051/978-2-7598-2924-8.c009.
Pełny tekst źródłaKoné, Doulaye, Olufunke O. Cofie i Kara Nelson. "Options à faible coût pour la réduction des pathogènes et la récupération des éléments nutritifs des boues de vidange". W L'irrigation avec des eaux usées et la santé, 185–204. Presses de l'Université du Québec, 2011. http://dx.doi.org/10.2307/j.ctv18pgj60.18.
Pełny tekst źródłaOchoa-Zezzatti, Alberto, Tania Olivier, Raymundo Camarena, Guadalupe Gutiérrez, Daniel Axpeitia i Irving Vázque. "Intelligent Drones Improved With Algae Algorithm". W Handbook of Research on Emergent Applications of Optimization Algorithms, 279–97. IGI Global, 2018. http://dx.doi.org/10.4018/978-1-5225-2990-3.ch012.
Pełny tekst źródłaOchoa Ortiz-Zezzatti, Alberto, Tania Olivier, Raymundo Camarena, Guadalupe Gutiérrez, Daniel Axpeitia i Irving Vázque. "Intelligent Drones Improved With Algae Algorithm". W Unmanned Aerial Vehicles, 1–19. IGI Global, 2019. http://dx.doi.org/10.4018/978-1-5225-8365-3.ch001.
Pełny tekst źródłaStreszczenia konferencji na temat "Instrumentation à faible coût"
Levacher, Daniel, Salim Mezazigh, Eric Vasselin i Jean-Michel Sevin. "Instrumentation et comportement de pieux d'accostage sous faible charge horizontale". W Journées Nationales Génie Côtier - Génie Civil. Editions Paralia, 1996. http://dx.doi.org/10.5150/jngcgc.1996.040-l.
Pełny tekst źródłaBrown, Robert G. W. "Miniature Instrumentation for Photon Correlation Experiments". W Photon Correlation Techniques and Applications. Washington, D.C.: Optica Publishing Group, 1988. http://dx.doi.org/10.1364/pcta.1988.nit172.
Pełny tekst źródłaGrelle, Austin L., Young S. Park i Richard B. Vilim. "Development and Testing of Fault-Diagnosis Algorithms for Reactor Plant Systems". W 2016 24th International Conference on Nuclear Engineering. American Society of Mechanical Engineers, 2016. http://dx.doi.org/10.1115/icone24-61024.
Pełny tekst źródłaPfeifroth, E. M., M. Kubacki, A. Orth, J. P. D. da Silva, G. Hendrix i F. Gallinella. "An Intelligent Drive Solution to Simply Electrify Larger Subsea Valves Such as SSIV". W Offshore Technology Conference. OTC, 2024. http://dx.doi.org/10.4043/35045-ms.
Pełny tekst źródłaRaporty organizacyjne na temat "Instrumentation à faible coût"
Dufour, Quentin, David Pontille i Didier Torny. Contracter à l’heure de la publication en accès ouvert. Une analyse systématique des accords transformants. Ministère de l'enseignement supérieur et de la recherche, kwiecień 2021. http://dx.doi.org/10.52949/2.
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