Zobrazeno 1 - 10
of 34
pro vyhledávání: '"L. Miljkovic"'
Autor:
M. M. Pintar, J. M. Corbett, D. D. Lasic, L. Miljkovic, R. Blinc, H. Peemoeller, G. Lahajnar, F. Milia, J.C. MacTavish, Jin Jian
Publikováno v:
Advances in Cement Research. 8:155-161
The solidification of synthetic white cement is monitored by nuclear magnetic resonance. Proton signals in several different environments are resolved and the time evolution of their dynamics and relative numbers is presented. The amounts of liquid w
Autor:
D. Frangoulis, R.J. Rumm, E. Chaniotakis, L. Miljkovic, L. Abulnasr, F. Milia, G. Papavassiliou, M. Fardis
Publikováno v:
Advanced Cement Based Materials. 1:243-247
The effect of alumino-silicate clay on the hydration of cement is examined through the proton spin-lattice relaxation time (T1's) of the water involved in the hydration process. The evolution of these relaxation times was then correlated with the evo
Publikováno v:
Biophysical Journal. 59(3):629-639
The nuclear magnetic resonance spin-grouping technique has been applied to dentin from human donors of different ages. The apparent T2, T1, and T1 rho have been determined for natural dentin, for dentin which has been dried in vacuum, and for dried d
Publikováno v:
Cement and Concrete Research. 16:864-870
The evolution of proton NMR parameters during the hydration of white cement paste is employed to study the effect of adding 5% of the sodium salt of sulfonated-melamine-formaldehyde (MSF) condensate to water prior to mixing. The results indicate that
Publikováno v:
Cement and Concrete Research. 18:951-956
The early stages of cement hydration were investigated by proton spin-spin relaxation time (T c ) measurements because these experiments can be performed much faster (in several seconds) than the characteristic time for a change in hydration evolutio
Autor:
D.D. Lasic, J. C. Mactavish, L. Miljkovic, M.M. Pintar, L John Schreiner, R. Blinc, Leonard W. Reeves, G. Lahajnar
Publikováno v:
Journal of the American Ceramic Society. 68:10-16
The proton free induction decay of a portland cement paste in an advanced stage of hydration can be roughly divided into three main components: (1) a component with a very short spin-spin relaxation time, T2, representing the protons of the solid OH
Publikováno v:
Zeitschrift für Naturforschung A. 40:32-36
The dynamics of the hydration of a white cement with negligible iron content and of Portland cement with a considerable amount of iron has been studied by proton magnetic resonance. The presence of iron in Portland cement results in the protons close
Publikováno v:
Cement and Concrete Research. 15:367-377
The hydrogen NMR parameters T 1 , T 2 and M oi of a white cement were monitored as a function of hydration time. From the nature and time evolution of the same 20 observables that eventually developed, a partial description of the dynamics of cement
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Publikováno v:
Magnetic resonance in medicine. 1(1)
The spin-spin, T2, and spin-lattice, T1, relaxation times and the magnetization of protons were measured in human enamel. The proton free induction decay was analyzed into solid-like interstitial water, enamel apatite, and semiliquid-like water compo