Russian Journal of Inorganic Chemistry, Tập 46,Trang 461-947Chemical Society., 2001 |
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Trang 625
... heating the sam- ples is accompanied by alternate filling and partial emptying of oxygen positions with different coordina- tion . The predominance of definite positions at a given heating stage is dictated by the degree of their occu ...
... heating the sam- ples is accompanied by alternate filling and partial emptying of oxygen positions with different coordina- tion . The predominance of definite positions at a given heating stage is dictated by the degree of their occu ...
Trang 626
... heating stages , we may invoke the weight loss data obtained upon heating Nd1.85Ce0.15CuO4- , under nitrogen [ 10 ] . The weight loss curve has three characteristic points , corresponding to the onset of weight loss at 250 ° C , the ...
... heating stages , we may invoke the weight loss data obtained upon heating Nd1.85Ce0.15CuO4- , under nitrogen [ 10 ] . The weight loss curve has three characteristic points , corresponding to the onset of weight loss at 250 ° C , the ...
Trang 906
... heating rate of 0.05– 0.1 K / min was employed . The attendant extensive heat evolution depressed the temperature by 5–7 ° C , down to the a - to - ẞ phase transition point in Rb2O · 2B2O3 , equal to 717 ± 7 ° C by our measurements . It ...
... heating rate of 0.05– 0.1 K / min was employed . The attendant extensive heat evolution depressed the temperature by 5–7 ° C , down to the a - to - ẞ phase transition point in Rb2O · 2B2O3 , equal to 717 ± 7 ° C by our measurements . It ...
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Vol 46 No 4 | 461 |
Reduction of Mixed Metal Oxides with Methane during Sintering | 470 |
Peroxoaluminosilicates | 485 |
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absorption acid active addition aluminum amount analysis angles anion aqueous atoms band bismuth bond calculated cations cell Chem chemical Chemistry chloride complex composition compounds concentration constant containing coordination Copyright corresponding crystal curve decrease depending determined diagram distances effect electronic equilibrium existence experimental extraction fluid formation given groups heating hydrogen increase indicates Inorganic interaction ions Journal Khim lengths ligands measured melting metal method mixtures mol/l molecules Moscow Neorg observed obtained oxide oxygen parameters peroxide phase Physics positions powder prepared presented pressure properties range ratio reaction REFERENCES refined region reported respectively Russian salt sample saturated Sciences shows signal sodium solid solubility solution space group species spectra spectrum stability structure studied synthesis Table temperature thermal tion transition unit values X-ray diffraction