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Dynamic nuclear polarization in suspensions of liquid asphalts in weak magnetic field

✍ Scribed by A. Yalçıner; M. A. Çimenoğlu; C. Akay; H. Ovalıoğlu


Book ID
106234519
Publisher
Springer
Year
1998
Tongue
English
Weight
171 KB
Volume
51
Category
Article
ISSN
1434-5641

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Dynamic nuclear polarization in suspensi
✍ M.Akif Çimenoğlu 📂 Article 📅 2001 🏛 Elsevier Science 🌐 English ⚖ 148 KB

Nuclear magnetic resonance and the Overhauser effect type dynamic nuclear polarization were used to study some colloidal suspensions of asphaltene obtained from MC-30 liquid asphalt in a weak magnetic ®eld of 1.437 mT. Intermolecular spin±spin interactions occur between diffusing nuclear spins in th

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✍ Thierry Guiberteau; Daniel Grucker 📂 Article 📅 1996 🏛 Elsevier Science 🌐 English ⚖ 186 KB

Dynamic nuclear polarization (DNP) is presented as an applicaformed with insoluble (16) or soluble free radicals (5,6), tion for EPR spectroscopy in low magnetic field (below 40 G). but the most widely used free radicals are nitroxides dis-An updated theory of DNP allows the calculation of the maxim