Russian Journal of Inorganic Chemistry, Tập 41,Số phát hành 5-8British Library Lending Division with the cooperation of the Royal Society of Chemistry, 1996 |
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Trang 697
... ( samples 1 ) are amor- phous by X - ray diffraction . These amorphous samples , both freshly formed and dried at 20 ° C , crystallize only after annealing at 450 ° C ( contrary to the precipitates obtained in a benzene medium ) . ( 3 ) ...
... ( samples 1 ) are amor- phous by X - ray diffraction . These amorphous samples , both freshly formed and dried at 20 ° C , crystallize only after annealing at 450 ° C ( contrary to the precipitates obtained in a benzene medium ) . ( 3 ) ...
Trang 858
... sample with the minimal mechanical stresses can be achieved upon " hot " compacting ( 250-300 ° C , a Carver press ) or after presintering a sample ( T = 850 ° C , Po , ≈ 10 atm ) [ 22 , 23 ] . However , the high density of the initial ...
... sample with the minimal mechanical stresses can be achieved upon " hot " compacting ( 250-300 ° C , a Carver press ) or after presintering a sample ( T = 850 ° C , Po , ≈ 10 atm ) [ 22 , 23 ] . However , the high density of the initial ...
Trang 960
... sample listed in the table . Hence , the samples are not mixtures of CaO2 , Ca ( O2 ) 2 , and Ca ( OH ) 2 crystals . Attempts were made to cause the solid to crystalize . To this end , the samples were cooled by liquid nitrogen and ...
... sample listed in the table . Hence , the samples are not mixtures of CaO2 , Ca ( O2 ) 2 , and Ca ( OH ) 2 crystals . Attempts were made to cause the solid to crystalize . To this end , the samples were cooled by liquid nitrogen and ...
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HighTemperature Superconductors | 683 |
Synthesis of Crystalline Bismuth Oxide by Hydrolysis of Bismuth Ethoxide | 695 |
Yankin Yu V Golikov R G Zakharov O A Vikhreva I N Dubrovina and V F Balakirev | 703 |
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absorption according acid addition analysis angles anions atoms band bismuth bond calculated carbon cations cell changes chelate Chem chemical Chemistry cm-¹ complexes components composition compounds concentration containing coordination Copyright corresponding crystals curves cycles decomposition decrease dependence described determined diagram distances effect electron elements energy experimental formation fragments glass heating hydrogen increase indicates initial Inorganic intensity interaction ions Journal Khim layers ligand materials measured melt metal method mixture molecules Moscow Neorg Note observed obtained occurs oxidation oxygen parameters peritectic phase positions powder prepared present properties Publishing range ratio reaction REFERENCES region respectively Russian salt samples Sciences shows similar solid solutions solubility space group spectra spectrum stability structure studied synthesis Table temperature thermal tion transition Translation unit values vibrations X-ray diffraction