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Projects / Programmes source: ARRS

Raziskave bitumnov z jedrsko magnetno resonanco (Slovene)

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Research activity

Code Science Field Subfield
2.21.00  Engineering sciences and technologies  Technology driven physics   

Code Science Field
P250  Natural sciences and mathematics  Condensed matter: structure, thermal and mechanical properties, crystallography, phase equilibria 
Keywords
bitumen, nuclear magnetic resonance
Evaluation (rules)
source: COBISS
Citations Citations for bibliographic records in COBIB.SI that are linked to records in citation databases
source: WoS source: Scopus source: COBISS
Researchers (7)
no. Code Name and surname Research area Role Period No. of publications
1.  03939  PhD Janez Dolinšek  Natural sciences and mathematics  Principal Researcher  1998 - 2001  757 
2.  01115  PhD Gojmir Lahajnar  Natural sciences and mathematics  Researcher  1998 - 2001  356 
3.  14424  Olga Naglič  Engineering sciences and technologies  Researcher  1998 - 2001  65 
4.  14425  Janez Prosen  Engineering sciences and technologies  Researcher  1998 - 2001  52 
5.  07925  Ana Sepe    Researcher  1998 - 2001  131 
6.  14426  MSc Alojz Sever  Engineering sciences and technologies  Researcher  1998 - 2001  14 
7.  11035  PhD Aleksander Zidanšek  Natural sciences and mathematics  Researcher  1998 - 2001  347 
Organisations (2)
no. Code Research organisation City Registration number No. of publications
1.  0106  Jožef Stefan Institute  Ljubljana  5051606000  85,590 
2.  0235  IGMAT Institute for Building Materials  Ljubljana  5498503000  393 
Abstract
The goal of the proposed project is to develop an analytical measurement method based on nuclear magnetic resonance (NMR) spectroscopy for the determination of bitumen quality. The method measures the proton NMR absorption spectrum of bitumen as a function of temperature. The spectrum width depends strongly on the degree of softness of bitumen in the melting process so that a hot liquid bitumen shows about thousand times smaller width from that of a cold solid bitumen. The temperature dependence of the proton NMR linewidth is used for an accurate monitoring of the bitumen softening process on melting. The method is intended to be used routinely for an on-line determination of the asphalt quality.
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