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Kết quả 1-3 trong 79
Trang 1881
INTRODUCTION Transition metal sulfides are known to be of impor- tance for semiconductor technology [ 1 ] . Among indi- rect synthetic methods , the preparation of these sulfides by solid - phase reactions ( for example , carbonothermy ) ...
INTRODUCTION Transition metal sulfides are known to be of impor- tance for semiconductor technology [ 1 ] . Among indi- rect synthetic methods , the preparation of these sulfides by solid - phase reactions ( for example , carbonothermy ) ...
Trang 1882
AG 298 , kJ / mol MSO4 -100 MS Mn M Zn Fe , Cd Co min ' min ' Minimum temperatures Tin , at which a metal phase is found in the samples , were determined . Silver forms at 100 ° C ; iron and cobalt , at 300 ° C ; and nickel , at 500 ° C ...
AG 298 , kJ / mol MSO4 -100 MS Mn M Zn Fe , Cd Co min ' min ' Minimum temperatures Tin , at which a metal phase is found in the samples , were determined . Silver forms at 100 ° C ; iron and cobalt , at 300 ° C ; and nickel , at 500 ° C ...
Trang 1898
Above 540 ° C , the last stage of thermal destruction of the cobalt phenanthroline complex starts ; at this stage the decomposition of its organic part goes on and cobalt is reduced to the metal by the scheme 2+ Co2 + + 2H + 2Cr = Co + ...
Above 540 ° C , the last stage of thermal destruction of the cobalt phenanthroline complex starts ; at this stage the decomposition of its organic part goes on and cobalt is reduced to the metal by the scheme 2+ Co2 + + 2H + 2Cr = Co + ...
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The Kinetics and Mechanism of SolidPhase Synthesis of YBa₂Cu3078 | 1359 |
Vol 40 No 9 1995 | 1360 |
Structure of Sodium Hexahydroperoxostannate | 1365 |
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absorption Academy According acid activity addition analysis angles anion aqueous atoms bands basis bismuth bond calculated cation cell Chem chemical Chemistry chloride cm-¹ complexes composition compounds concentration constants containing coordination Copyright corresponding crystals curves decrease dependence determined distances effect electron energy equilibrium experimental extraction fluoride formation groups H₂O heating hydrogen increase indicates Inorg Inorganic Institute intensity interaction ions Khim ligand melt metal method mixture molecules Moscow Neorg Note observed obtained occurs Original oxides oxygen parameters peritectic phase position possible powder precipitate prepared presence properties Publishing range ratio reaction REFERENCES region respectively Russian salts samples Sciences shift shows similar sodium solid solutions space group spectra spectrum stability structure studied synthesis Table temperature thermal tion transition unit values vibrations X-ray diffraction