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Kết quả 1-3 trong 56
Trang 1841
The enthalpy of catalytic decomposition of sodium hexahydroperoxostannate in 2.49 N NaOH was measured calorimetrically . The standard enthalpy of formation of Na ( Sn ( OOH ) ] was found : A Ho ( c , 298.15 K ) = - 1655.4 kJ / mol .
The enthalpy of catalytic decomposition of sodium hexahydroperoxostannate in 2.49 N NaOH was measured calorimetrically . The standard enthalpy of formation of Na ( Sn ( OOH ) ] was found : A Ho ( c , 298.15 K ) = - 1655.4 kJ / mol .
Trang 1896
X - ray diffraction patterns of LaFezMo1303 : ( 1 ) measured , ( 2 ) difference , and ( 3 ) calculated . = = = perovskite phase was associated with minor phases , Table 1 lists the unit cell parameters of all the comwhich were ...
X - ray diffraction patterns of LaFezMo1303 : ( 1 ) measured , ( 2 ) difference , and ( 3 ) calculated . = = = perovskite phase was associated with minor phases , Table 1 lists the unit cell parameters of all the comwhich were ...
Trang 1899
An unambiguous decision on the magnetic nature of LnFe23M012303 needs additional data , e.g. , magnetization measurements over an extended temperature range and neutron diffraction study . The above results focus attention on ...
An unambiguous decision on the magnetic nature of LnFe23M012303 needs additional data , e.g. , magnetization measurements over an extended temperature range and neutron diffraction study . The above results focus attention on ...
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absorption According acid addition analysis angles anion aqueous atoms bands bond bridge calculated carbon cation Chem chemical Chemistry complexes composition compounds concentration constants containing coordination Copyright corresponding crystal decrease dependence described determined distances effect electron energy experimental extraction formation frequencies heating higher hydrogen increase indicates Inorganic Institute interaction ions Khim layers lengths ligand measured melt metal method mixed mixture molecule Moscow Neorg observed obtained occurs oxidation oxygen parameters patterns phase polyhedra positions precipitate prepared present properties Publishing R(Al range ratio reaction REFERENCES reflections respectively Russian salt samples Sciences shows similar sodium solid solution space group spectra spectrum stability structure studied surface synthesis Table temperature thermal tion Translation unit cell uranium values vibrations X-ray X-ray diffraction yield zirconium