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Mostrando ítems 21-30 de 2099
Uso da RMN como um sensor online em processos industriaisUse of NMR as an online sensor in industrial processes
(Sociedade Brasileira de Química, 2012)
Nuclear magnetic resonance (NMR) is one of the most versatile analytical techniques for chemical, biochemical and medical applications. Despite this great success, NMR is seldom used as a tool in industrial applications. ...
DISTRIBUTION OF PHOSPHORUS FORMS IN CHILEAN SOILS AND SEWAGE SLUDGE BY CHEMICAL FRACTIONATION AND 31P-NMR
(Sociedad Chilena de Química, 2004)
Structural studies of AgPO3-MoO3 glasses using solid state NMR and vibrational spectroscopies
(Elsevier B.V., 2012-04-01)
Vitreous samples (1-x) AgPO3-x MoO3 (0 <= x <= 0.5) were prepared by conventional melt-quenching and characterized by Differential Scanning Calorimetry (DSC). The structural evolution of the vitreous network was monitored ...
Automatic identification by C-13 NMR of substituent groups bonded in natural product skeletons
(Elsevier B.V., 2002-11-01)
The aim of this paper is to present a procedure that utilizes C-13 NMR for identification of substituent groups which are bonded to carbon skeletons of natural products. For so much was developed a new version of the program ...
FRACTIONAL PRECIPITATION OF SODIUM POLYPHOSPHATE AND CHARACTERIZATION BY P-31 NMR: AN EXPERIMENT FOR PYSICAL CHEMISTRY CLASSES.
(Soc Brasileira QuimicaSao PauloBrasil, 2010)
NMR study of slow motions of HDA hydrocarbons chains inside lamellar structures
(TAYLOR & FRANCIS LTD, 2008)
Measurements of H-1 and C-13 Nuclear Magnetic Resonance (NMR) for the nano-composite materials formed by the intercalation of hexadecylamine (HDA) in metal oxides (TiO2, V2O5 and MoO3), are reported. The H-1 NMR spin-lattice ...