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According to the NMR and DTA hexaniobate of composition Nd2H2Nb6019 nH2O data ( Table 5 ) , the concentration of OH groups and crys- occurs in several stages . At the first stage , the dehydratal - hydrate water corresponds to the ...
According to the NMR and DTA hexaniobate of composition Nd2H2Nb6019 nH2O data ( Table 5 ) , the concentration of OH groups and crys- occurs in several stages . At the first stage , the dehydratal - hydrate water corresponds to the ...
Trang 1897
In both cases , the evaporation of liquid phen takes place at 240 - 280 ° C and is characterized , according to the DTA curves , by very close kinetic parameters . Samples 3 and 10 ( the table ) , obtained at 260 ° C , are bis ...
In both cases , the evaporation of liquid phen takes place at 240 - 280 ° C and is characterized , according to the DTA curves , by very close kinetic parameters . Samples 3 and 10 ( the table ) , obtained at 260 ° C , are bis ...
Trang 1925
According to the correlations reported in [ 8 ] , this band is attributable to the stretching - bending vibrations of the OCH CHO unit that has a TTT conformation . According to data of X - ray structural analysis ( 5 ) , two such ...
According to the correlations reported in [ 8 ] , this band is attributable to the stretching - bending vibrations of the OCH CHO unit that has a TTT conformation . According to data of X - ray structural analysis ( 5 ) , two such ...
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1995 | 1527 |
Synthesis and Properties of Zirconium Niobium and Tantalum Oxide Films | 1534 |
Polymorphism in Cobalt Metavanadate | 1540 |
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