@prefix dcat: <http://www.w3.org/ns/dcat#> .
@prefix dct: <http://purl.org/dc/terms/> .
@prefix foaf: <http://xmlns.com/foaf/0.1/> .
@prefix vcard: <http://www.w3.org/2006/vcard/ns#> .
@prefix xsd: <http://www.w3.org/2001/XMLSchema#> .

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    dct:description """
              The aim of this thesis work was to design, build and optimize a large volume multisamples DNP (Dynamic Nuclear Polarization) polarizer dedicated to Magnetic Resonance Spectroscopic Imaging applications. The experimental system is made up of a high magnetic field magnet (3,35T) in which takes place a cryogenic system with a pumped bath of liquid helium (4He) allowing temperatures lower than 1,2K. A set of inserts is used for the different steps of DNP : irradiation of the sample by a microwave field (f=94GHz and P=50mW), polarization measurement by Nuclear Magnetic Resonance. . . With this system, up to three samples of 1mL volume can be polarized to a rate of few percents. The system has a long autonomy of four hours, so it can be used for polarizing molecules with a long time constant of polarization. Finally, the possibility to get quasisimultaneously, after dissolution, several samples with a high rate of polarization opens the way of new applications in biomedical imaging
            """ ;
    dct:identifier "NNT: 2011LYO10014" ;
    dct:issued "2026-05-09T14:33:14.882816"^^xsd:dateTime ;
    dct:language "fr" ;
    dct:modified "2026-05-09T14:33:14.882820"^^xsd:dateTime ;
    dct:publisher <https://rec.harvest-normandie.data4citizen.com/organization/cce9db95-46d9-4dc2-84b6-764215d0a002> ;
    dct:title "Dynamic nuclear polarization at low temperature and high magnetic field for biomedical applications in magnetic resonance spectroscopic imaging" ;
    dcat:contactPoint [ a vcard:Organization ;
            vcard:fn "CCSD" ] ;
    dcat:distribution <https://rec.harvest-normandie.data4citizen.com/dataset/oai-hal-tel-00672305v2/resource/98498457-12b4-4378-8705-b6a4066d6413> ;
    dcat:keyword "13c-nucleus",
        "cryogenic-system",
        "dynamic-nuclear-polarization-dnp",
        "hyperpolarisation",
        "hyperpolarization",
        "infoeu-reposemanticsdoctoralthesis",
        "magnetic-resonance-spectroscopy-mrs",
        "melange-thermique",
        "millimeter-waves",
        "noyau-c13",
        "nuclear-magnetic-resonance-nmr",
        "ondes-millimetriques",
        "polarisation-dynamique-nucleaire-pdn",
        "resonance-magnetique-nucleaire-rmn",
        "sdvmheplife-sciences-q-biohuman-health-and-pathology",
        "spectroscopie-par-resonance-magnetique-srm",
        "systeme-cryogenique",
        "thermal-mixing",
        "theses" ;
    dcat:landingPage <https://theses.hal.science/tel-00672305> .

<https://rec.harvest-normandie.data4citizen.com/dataset/oai-hal-tel-00672305v2/resource/98498457-12b4-4378-8705-b6a4066d6413> a dcat:Distribution ;
    dct:format "HTML" ;
    dct:issued "2026-05-09T14:33:14.894516"^^xsd:dateTime ;
    dct:modified "2026-05-09T14:33:14.865011"^^xsd:dateTime ;
    dct:title "Dynamic nuclear polarization at low temperature and high magnetic field for biomedical applications in magnetic resonance spectroscopic imaging" ;
    dcat:accessURL <https://theses.hal.science/tel-00672305> .

<https://rec.harvest-normandie.data4citizen.com/organization/cce9db95-46d9-4dc2-84b6-764215d0a002> a foaf:Agent ;
    foaf:name "test_moissonnage_selune" .

<https://theses.hal.science/tel-00672305> a foaf:Document .