Russian Journal of Inorganic Chemistry, Tập 44,Số phát hành 9-12British Library Lending Division with the cooperation of the Royal Society of Chemistry, 1999 |
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Trang 1411
... Heating NaLn ( BH4 ) 4 4DME ( Ln Sm , Eu , Yb ; DME = 1,2 - dimethoxyethane ) in vacuo ( ~ 1 x 10 mmHg ) at 150-200 ° C , followed by extraction with tetrahydrofurane ( THF ) , resulted in tetrahydrofuran- ates of samarium , europium ...
... Heating NaLn ( BH4 ) 4 4DME ( Ln Sm , Eu , Yb ; DME = 1,2 - dimethoxyethane ) in vacuo ( ~ 1 x 10 mmHg ) at 150-200 ° C , followed by extraction with tetrahydrofurane ( THF ) , resulted in tetrahydrofuran- ates of samarium , europium ...
Trang 1499
... heat evolved from the inner heater , U and I are the voltage and current on the inner heater , t is the period of heating , AT is the change in the temperature of the system due to the inflow or outflow of the amount of heat AQ , and Co ...
... heat evolved from the inner heater , U and I are the voltage and current on the inner heater , t is the period of heating , AT is the change in the temperature of the system due to the inflow or outflow of the amount of heat AQ , and Co ...
Trang 1603
... heating to 930 K and remains constant upon heating above this temperature . Compared to sample 1 , the weight of sam- ples 2 and 3 increases within the range 300 < T < 900 K and then remains unaltered . These patterns are repro- duced ...
... heating to 930 K and remains constant upon heating above this temperature . Compared to sample 1 , the weight of sam- ples 2 and 3 increases within the range 300 < T < 900 K and then remains unaltered . These patterns are repro- duced ...
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Vol 44 No 9 1999 | 1335 |
Structural Transitions in Neodymium Nickelate upon Iso and Heterovalent Substitutions | 1342 |
Synthesis and Study of New Compounds of the Uranovanadate Family | 1347 |
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absorption according acid analysis angles anions aqueous atoms band bond bridging calculated carbon cations changes Chem chemical Chemistry complexes composition compounds concentration constant containing coordination Copyright corresponding crystal structure curves decrease determined diagram distances effect electron energy equal experimental extraction formation frequencies given H₂O heating hydrogen increase indicates Inorganic intensity interaction involved ions Khim lead lengths ligand measured melting metal method mixture molecules Moscow Nauk Neorg observed obtained occurs oxidation oxygen atoms parameters patterns phase Phys plane positions prepared present properties range ratio reaction REFERENCES refined reflections region respectively Russian salts samples Sciences shifts shows similar sodium solid solutions solution space group spectra spectrum stability studied synthesis Table temperature thermal tion transition Translation unit cell values vibrational X-ray diffraction