Russian Journal of Inorganic Chemistry, Tập 31,Trang 1265-1860Chemical Society., 1986 |
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Kết quả 1-3 trong 79
Trang 1293
... range 40-160 ° C to give a stable anhydrous phase . The DTA curves for the erbium and terbium complexes show endothermic effects without a change in mass in the tem- perature range 230-265 ° C , with extremal points at 245 ° C . As with ...
... range 40-160 ° C to give a stable anhydrous phase . The DTA curves for the erbium and terbium complexes show endothermic effects without a change in mass in the tem- perature range 230-265 ° C , with extremal points at 245 ° C . As with ...
Trang 1341
... ranges : 700-980 , 990-1200 , and 1400-1650 cm - 1 . The bands in the range 700-900 cm1 in the spectra of polynuclear hetero- cyclic compounds are assigned to the out - of - plane C - H deformations . The bands in the range 990-1200 cm ...
... ranges : 700-980 , 990-1200 , and 1400-1650 cm - 1 . The bands in the range 700-900 cm1 in the spectra of polynuclear hetero- cyclic compounds are assigned to the out - of - plane C - H deformations . The bands in the range 990-1200 cm ...
Trang 1409
temperatures of the glasses , which vary in the range 490- 520 K. The annealing time was one month for the specimens from the vitreous range , and 15-20 d for the other specimens . The equilibrium diagrams were studied by differential ...
temperatures of the glasses , which vary in the range 490- 520 K. The annealing time was one month for the specimens from the vitreous range , and 15-20 d for the other specimens . The equilibrium diagrams were studied by differential ...
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Journal of | 1265 |
The structure and stability of beryllium and magnesium | 1271 |
Synthesis and physicochemical study of the compound | 1279 |
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absorption acid Akad ammonium analysis anion atoms bands binary bond borate calculated cation Chem chemical Chemistry chloride cm-¹ cm¹ cobalt(II complex formation components composition compounds concentration constant containing coordination copper(II corresponding crystallisation crystals curves decomposition decrease determined electron endothermic enthalpy EPR spectra erbium europium eutectic experimental extraction formed H₂O heating holmium hydrated hydrogen increase infrared infrared spectra Inorg interaction ions iron(III isothermal Khim Khimiya lanthanide lanthanum ligand liquid mass melting metal method mixture mole molecules Moscow Nauk SSSR neodymium Neorg nitrate obtained oxide oxygen parameters potassium present range ratio reaction reagents rhodium rhodium(II Russ Russ.J salt shows sodium solid phase solid solutions solubility sorbent specimens spectra spectrum structure studied sulphate sulphur synthesis temperature ternary thermal tion Translated from Zhurnal values vibrations wavenumbers X-ray diffraction X-ray diffraction patterns ytterbium Zhur Zhur.Neorg Zhurnal Neorganicheskoi Khimii