Auswahl der wissenschaftlichen Literatur zum Thema „Sonde Platine“
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Zeitschriftenartikel zum Thema "Sonde Platine":
Villegas, Kevin, und Abel Gutarra. „FABRICACIÓN DE PUNTAS DE FIBRAS DE CARBONO PARA MICROSCOPÍA DE SONDA DE BARRIDO“. Revista Cientifica TECNIA 22, Nr. 1 (04.04.2017): 17. http://dx.doi.org/10.21754/tecnia.v22i1.86.
Steiger, James R., Patricia A. Saccone und Karen N. Watson. „Assessment of Objective Pulsatile Tinnitus in a Patient with Syringohydromyelia“. Journal of the American Academy of Audiology 18, Nr. 03 (März 2007): 197–205. http://dx.doi.org/10.3766/jaaa.18.3.2.
RENAOT, Éliane. „Incertitudes affectant l’étalonnage d’une sonde à résistance de platine longue tige selon l’EIT-90“. Mesures physiques, März 2016. http://dx.doi.org/10.51257/a-v2-r2512.
Silva, Wenderson R. F., Leonardo V. Freitas, Rafael O. R. R. Cunha und Joaquim B. S. Mendes. „Construção de um medidor de campo magnético para utilização em processos de geração e manipulação de correntes puras de spin“. Revista Brasileira de Ensino de Física 45 (2023). http://dx.doi.org/10.1590/1806-9126-rbef-2023-0105.
Benavides López, Yuleidy Mariví, María Isabel Zambrano Gutiérrez und Sofía Carolina Santorum Chiriboga. „Salud periodontal y embarazo; un acercamiento a la realidad de las mujeres gestantes de San Antonio de Ibarra“. Odontología 26, Nr. 1 (15.01.2024). http://dx.doi.org/10.29166/odontologia.vol26.n1.2024-e5119.
Dissertationen zum Thema "Sonde Platine":
Burckel, Hélène. „Synthèse et évaluation de molécules bifonctionnelles alkylantes de l’ADN et inhibitrices de la PARP pour la radiochimiothérapie concomitante“. Thesis, Strasbourg, 2012. http://www.theses.fr/2012STRAJ092.
The main topic of this work was the development and biological evaluation of dual molecules for concomitant chemoradiotherapy. To this end, new dual chemotherapeutic agents were designed by linking covalently two radiosensitizers: a PARP inhibitor and an alkylating agent (platinum complex or temozolomide). This study led to an efficient PARP inhibitor/platinum dual molecule. A complementary approach was to develop affinity probes to study PARP inhibitors by a chemical proteomic method. This study permitted to validate the selectivity of an affinity probe for PARP1 and PARP2. Finally, fluorescent PARP inhibitor probes were synthesised and evaluated for a PARP3 screening by fluorescence anisotropy
Kovchar, Jean. „Design, modeling, fabrication and characterization of a micro-device for the study of alternating flow - Application to energy harvesting and conversion“. Electronic Thesis or Diss., Bourgogne Franche-Comté, 2024. http://www.theses.fr/2024UBFCD009.
This thesis focuses on the study of alternating flows within milli- and sub-millimeter-sized channels. The aim is to contribute to the optimization of a miniature (sub-millimeter dimensions) low-temperature (T < 200 °C) energy recovery and conversion machine based on the Stirling cycle principle. This is in line with the recovery of waste heat which is still not exploited in many industrial environments. In Stirling-type engines, the working fluid flows in alternating directions. Although these flows are fairly well understood on a macroscopic scale, very little is known about them on milli and sub-millimeter scales. However, a good understanding of this type of flow at these scales is essential for engine dimensioning and design. In order to contribute to the characterization of alternating flows at these small scales, channels with dimensions close to those of the miniature machine were produced using microfabrication technology. The channels produced have a hydraulic diameter ranging from 200 µm to 1 mm, an aspect ratio between 0.1 and 1, and two different channel lengths (25 mm and 50 mm). Channels with bends were also built to study their influence on flow characteristics. These channels were then implemented on the experimental bench. Initially, the study focused on the characterization of permanent flows, in the Reynolds range from 15 to 510, whose results, in agreement with those from the literature, served as a reference for the study of alternating flows, carried out in a second step with a Womersley number ranging from 0.02 to 0.67. The characterization of alternating flows has shown that the aspect ratio and the hydraulic diameter of the channels affect the flow significantly. On the other hand, this thesis has shown that the influence of channel length and the presence of singularities (bends) on the flow characteristics do not appear to be as decisive as expected. Consequently, among the parameters tested in this thesis, the aspect ratio and hydraulic diameter of the channels are important parameters to take into account for the design of the micro Stirling machine, especially to avoid impacting considerably its efficiency
Langer, Götz. „Chemische Reaktion, Transport atomarer Sonden und PAC-Messungen an der polarisierbaren Metall-Oxid-Grenzfläche Pt/ZrO2(Y2O3)“. [S.l. : s.n.], 1998. http://deposit.ddb.de/cgi-bin/dokserv?idn=954824997.
Chatenet, Marian. „Cathode à air pour l’électrolyse chlore-soude“. Grenoble INPG, 2000. http://www.theses.fr/2000INPG0094.
This manuscript deals with a preliminary work on air-cathode use in the brine electrolysis process, the utilization of which would enable substantial energy savings. The oxygen transport parameters in industrial medium (11,1 M NaOH at 80 °C) and the studied catalysts (Pt/C, Ag/C, Ag-Pt/C) physical characteristics have firstly been measured. Then, their electrochemical behavior toward oxygen reduction has been determined. An order of the reaction equal to unity with respect to oxygen and a positive effect of the medium temperature have been confirmed. Otherwise, a soda concentration increase is favorable to silver but detrimental for platinum. In consequence, silver activity corrected from the oxygen solubility (70 times lower in industrial medium) improves sharply when both the medium temperature and concentration increase. Although it is 20 times lower in 1 M NaOH at 25 °C, it almost reaches those of platinum in industrial medium, which is interesting at an economic point of view. An explanation would be the increase of the inhibiting oxide coverage on platinum in concentrated soda solutions. Else, the catalysts ageing-behavior shows a larger particles aggregation for platinum than for the bimetallic catalyst, even more important under open-circuit voltage than in electrolysis conditions. Finally, newly-shaped gas diffusion-electrodes have been tested on our laboratory pilot-cell. The various trials performed, from the Design Of Experiments method use, led to a better knowledge of their optimal structure, whereas a numeric model allowed a better understanding of their behavior under operation
Kadjane, Pascal N'Guessan. „Sondes luminescentes à base de lanthanides solubles dans l'eau“. Strasbourg, 2009. https://publication-theses.unistra.fr/restreint/theses_doctorat/2009/KADJANE_Pascal_NGuessan_2009.pdf.
The high sensitivity of analytical methods based on fluorescence has led to the development of new fluorescent markers for biological analysis and imaging. However, the use of these dyes is limited by the selffluorescence of biological media and light scattering. The use of long-lived luminophores coupled to time-resolved detection of the signal allow to avoid these problems and to enhance the detection sensitivity. The lanthanide ion chelates, in particular of europium and terbium, proved to be good candidates due to their long-lived excited states lifetimes. In these complexes, the direct excitation of lanthanide being difficult to achieve, it is indirectly obtained through organic chromophores, absorbing in the UV, creating risks of photodegradation. This work was first based on the synthesis of organic ligands and platinum-based metalloligands allowing to study the displacement of the absorption properties of europium complexes toward the visible region. Then, we synthesised europium and terbium complexes from nonadentate ligands based on bispyrazolylpyridine and studied their spectroscopic properties (absorption, emission, luminescence quantum yield and lifetime). These complexes possess good complexation and luminescence properties and the synthetic methodology permits the introduction of a carboxylate function, potentially activable into NHS ester for biological labelling. Some europium chelates have been tested in cell imaging and others for their biphotonic absorption properties (allowing the excitation of the complexes in the red or infra-red region). For a water soluble ytterbium complex possessing a grafting function, the long-lived luminescence lifetime (1,6 ms) opens perspectives for time-resolved detection in the infra-red region
Blum, Ivan. „Diffusion et redistribution des dopants et du platine dans les siliciures de nickel sur silicium“. Aix-Marseille 3, 2010. http://www.theses.fr/2010AIX30061.
The objective of this study is to quantify the diffusion and solubility of As, B and Pt in Ni silicides in order to gain a better understanding of their redistribution during silicidation. Therefore, these elements were implanted in o-Ni2Si and NiSi thin films and their diffusion and solubility were studied using secondary ion mass spectroscopy (SIMS) and atom probe tomography (APT). Diffusion coefficients could be measured by comparing SIMS measurements and two dimensional diffusion simulations. APT analyses allowed to observe the precipitation of B above its solubility limit in NiSi. Then, B and Pt redistribution during silicidation were characterized by SIMS and APT. The previous data concerning their diffusion and solubility in the two silicides were used together to interpret these results. In addition, B redistribution was compared to redistribution simulations using a simple model
Zribi, Aymen. „Fluxmètre thermique : conception, modélisation, réalisation et caractérisation. Mesures de températures et de densités de flux thermiques“. Thesis, Besançon, 2016. http://www.theses.fr/2016BESA2085/document.
For future applications in the field of low-temperature energy have sting in microsystems, knowledge of wall heat transfer is of great importance. These measurements are carried out using specific sensors which makes possible to know the total heat flux exchanged between walls and the surrounding environment. This study concerns the development of a gradient heat flux sensor compliant with their requirements associated with thermal machines such as micrometric Stirling engines. Six types of heat flux sensor with resistance temperature detector have been developed from different materials, with various geometries and shapes of sensing elements. An electro thermal study, taking into account the self-heating effect, was carried out and experimentally validated. The fabrication and characterization techniques, mainly carried out in clean rooms, allowed to produce numerous thin-film sensors. Specific housings for these sensors have been developed. These heat flux sensors, whose resistances have been calibrated with a highly accurate reference probe, also allow measuring the temperature. To measure the heat flux density, two methods were tested. The first method is indirect : it consists in measuring the temperature gradient using two platinum resistance probes. The second method is direct : it is based on heat flux calibration. The calibration and measurement benches have been modeled. Then, the experimental and numerical results have been compared. Finally, the influence of the sensor intrusion on the thermal fluxes distribution in the investigated sample, with or without a specific housing, has been studied
Septiadi, Dedy. „Optical imaging and drug delivery using soft- and hard- nanomaterials“. Thesis, Strasbourg, 2015. http://www.theses.fr/2015STRAF036/document.
The work described in this thesis focuses on the development of soft- and hard-materials as well as their interaction with biological cells for applications in the field of theranostics covering imaging, sensing, and gene, and cancer therapy. In this context, we first investigated the use of phosphorescent self-assembled platinum(II) complexes as cellular probes. We extended the concept stimulated emission-based bioimaging by generating a laser-like emission coming from a single biological cell without using any conventional optical cavity. In addition, we successfully developed multifunctional nanocarriers based on porous hard materials, namely zeolites-L and mesoporous silica nanoparticles for drug and oligonucleotide delivery in vitro and they were tested to treat glioblastoma. Another nanovector, which is constructed from biodegradable silica, was also synthesized and its ability to encapsulate proteins and release them in living cells upon degradation of the structure in reductive environment was demonstrated. Finally, the use of novel plasmonic structures based on breakable silica-coated silver nanoparticles for detection of reducing agents was successfully investigated
Sinn, Stephan. „Pt(II) complexes as scaffolds in supramolecular assemblies“. Thesis, Strasbourg, 2017. http://www.theses.fr/2017STRAF015/document.
The presented thesis focused on the synthesis and photophysical investigation of luminescent Pt(II) complexes and their resulting assemblies that form upon aggregation. Multiple supramolecular motifs were utilized in order to gain control over the assembling behavior of the square-planar complexes. Crown-ether scaffolds were tethered with the phosphorescent metal complexes rendering a supramolecular switch that can be triggered by potassium cations. Moreover, alteration of the Pt(II)-stacking arrangement upon ligand coordination was exploited to realize a chemosensor that can be employed for of differential detection of aza-heterocycles. Furthermore, the installation of a H-bond motif to a luminescent Pt(II) complex was established, which resulted in a compound forming a two-dimensional organization on graphene. Finally, amphiphilic Pt(II) complexes were synthesized that self-assemble into highly luminescent aggregates in aqueous solutions. The series of water soluble neutral and negatively charged metal complexes were characterized with respect to their photophysical parameters and their interactions with virus coat proteins
Imbert, Bruno. „ETUDE DE LA FORMATION DU SILICIURE DE NICKEL-PLATINE INTEGRE DANS LA FABRICATION DE TRANSISTORS CMOS POUR LES TECHNOLOGIES 65 ET 45 NM“. Phd thesis, 2009. http://tel.archives-ouvertes.fr/tel-00421859.
Buchteile zum Thema "Sonde Platine":
Santamaría-Orozco, Demetrio, und Brian Horsfield. „Gas Generation Potential of Upper Jurassic (Tithonian) Source Rocks in the Sonda de Campeche, Mexico“. In The Circum-Gulf of Mexico and the CaribbeanHydrocarbon Habitats, Basin Formation and Plate Tectonics. American Association of Petroleum Geologists, 2003. http://dx.doi.org/10.1306/m79877c15.
Engelder, Terry, Jan Vermilye, Alfred Lacazette, Peter Geiser, Charles Sicking und John N. Hooker. „Seismic emissions reveal the mechanical stratigraphy of the Middle Paleozoic section under the Appalachian Plateau, Pennsylvania“. In From the Guajira Desert to the Apennines, and from Mediterranean Microplates to the Mexican Killer Asteroid: Honoring the Career of Walter Alvarez. Geological Society of America, 2022. http://dx.doi.org/10.1130/2022.2557(14).