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The phase equilibria of the sodium oxide - boron oxide ( Na2O - B2O3 ) system were first studied using the directional solidification of glasses in a platinum boat [ 1 , 2 ] . Three congruently melting compounds were found : Na2O2B203 ...
The phase equilibria of the sodium oxide - boron oxide ( Na2O - B2O3 ) system were first studied using the directional solidification of glasses in a platinum boat [ 1 , 2 ] . Three congruently melting compounds were found : Na2O2B203 ...
Trang 1851
Their structures are studied by IR spectroscopy , 31P NMR , and X - ray diffrac- tion . In all complexes , the ligands are coordinated through the P = O groups , and the L1 ligand is characterized by the chelate coordination with the ...
Their structures are studied by IR spectroscopy , 31P NMR , and X - ray diffrac- tion . In all complexes , the ligands are coordinated through the P = O groups , and the L1 ligand is characterized by the chelate coordination with the ...
Trang 1938
The crystal struc- ture of In , Se , has been studied . Crystals are monoclinic , unit cell parameters are a = 9.43 Å , b = 4.06 Å , c 11.83 Å , ẞ = 109 ° , space group P2 , Z = 2 . X - ray diffraction data for the product of In.
The crystal struc- ture of In , Se , has been studied . Crystals are monoclinic , unit cell parameters are a = 9.43 Å , b = 4.06 Å , c 11.83 Å , ẞ = 109 ° , space group P2 , Z = 2 . X - ray diffraction data for the product of In.
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Vol 48 No 9 | 1282 |
Simultaneous English language translation of the journal is available from MAIK NaukaInterperiodica Russia | 1446 |
Vol 48 No 11 2003 | 1615 |
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absorption acid activation analysis angles anion atoms band bond calculated cations Chem chemical Chemistry cm-¹ complexes components composition compounds concentration constant containing coordination Copyright corresponding crystal crystal structure curves decreases determined diagram distances effect electron energy experimental field formation formed function heating hydrogen increases Inorganic intensity interaction ions Journal Khim layer ligand materials measured melting metal method mixture molecules Moscow Neorg Note observed obtained oxidation oxygen parameters phase Physics positions prepared properties range ratio reaction REFERENCES refined reflections region respectively ring Russian salt samples Sciences shifts shown shows signals single sodium solid solid solutions solubility solutions space space group spectra spectrum spinel stability structure studied Synthesis Table temperature thermal tion trans transition Translation values vibrations X-ray diffraction