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Št. zadetkov: 5
Izvirni znanstveni članek
Oznake: jedrska kvadrupolna resonanca;merjenje temperature;klorova JKR;Nuclear Quadropole Resonance;chlorine NQR;measurement of temperature;
A mini-thermometer based on the ▫$^{35}Cl$▫ nuclear quadrupole resonance (NQR) frequency temperature dependence in the chlorates KClO▫$_3$▫ and NaClO▫$_3$▫ was built and successfully tested by measuring temperature and temperature gradient at 77 K and higher in about 100 mm▫$^3$▫ active volume of a ...
Leto: 2009 Vir: Fakulteta za matematiko in fiziko (UL FMF)
Izvirni znanstveni članek
Oznake: jedrska kvadrupolna resonanca;dušik;TNT;nuclear quadrupole resonance;nitrogen;polymorphism;
The field application of a ▫$^{14}$▫N nuclear quadrupole resonance (NQR) detector needed for the detection of different explosives, including trinitrotoluene (TNT), requires the examination of the distribution of ▫$^{14}$▫N NQR lines stemming from the monoclinic and/or orthorhombic modifications of ...
Leto: 2009 Vir: Fakulteta za matematiko in fiziko (UL FMF)
Izvirni znanstveni članek
Oznake: paracetamol;tablete;nuklearna magnetna resonanca;polarne strukture;NQR;
[Sup]14N nuclear quadrupole resonance [sup](14 N NQR) of several commercially available paracetamol tablets was measured. The spectra of two polymorphs are presented. The linewidths of the correspondent [sup]14N NQR lines in all the measured samples containing the room-temperature stable monoclinic ...
Leto: 2013 Vir: Fakulteta za farmacijo (UL FFA)
Izvirni znanstveni članek
Oznake: piroksikam;polimorfizem;fizična karakterizacija;spektroskopija;kvadrupolna resonanca (JKR) ▫$^{14}$▫N;vodikove vezi;praškovna rentgenska difrakcija (XRPD);kalorimetrija (DSC);FTIR;, Ramanska spektroskopija;piroxicam;polymorphism;physical characterization;spectroscopy;$^{14}$N nuclear quadrupole resonance (NQR);H-bonds;X-ray powder diffractometry;calorimetry (DSC);FTIR;Raman spectroscopy;
Ob pripravi poznanih kristalnih polimorfov piroksikama I, II in III smo odkrili novo polimorfno obliko in ji izbrali oznako V. Polimorfe smo analizirali s kvadrupolno resonanco JKR ▫$^{14}$▫N, praškovno rentgensko difrakcijo (XRPD), termičnimi analizami in vibracijskimi spektroskopijami. Prvič smo i ...
Leto: 2015 Vir: Fakulteta za farmacijo (UL FFA)
Objavljeni povzetek znanstvenega prispevka na konferenci
Oznake: 14N NQR;nifedipin;piroksikam;
14N NQR is a new method in pharmacy that has a potential to establish itself as an additional and valuable analytical tool for characterizing solid state of a substance [1]. 14N NQR is a method that can precisely and accurately determine a specific polymorphic state of a solid compound. It is non-de ...
Leto: 2010 Vir: Fakulteta za farmacijo (UL FFA)
Št. zadetkov: 5
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