Zobrazeno 1 - 10 of 39 pro vyhledávání: '"Hideo NUMATA"'
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Autor: Hideo Numata, Yasuhiro Miyaryo, Takehiko Ono, Nobuaki Ogata
Publikováno v: Topics in Catalysis. 15:229-234
The oxygen ions of MoO3, V2O5, β-VOPO4, α-Mg2V2O7, β-CoMoO4and α-Bi2Mo3O12were exchanged with 18O via a reduction–oxidation method and the catalytic oxidation of alkene or alkane using 18O2. The Raman bands of the catalysts shifted to lower fre
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::1f76ad6ed03b5f301c3a1ae29274dd44
https://doi.org/10.1023/a:1016645630973
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5
Redox features of β-VOPO4 catalyst using 18O tracer and laser Raman spectroscopy
Autor: Takehiko Ono, Hideo Numata
Publikováno v: Journal of Molecular Catalysis A: Chemical. 130:261-269
The oxygen ions of the β-VOPO4 catalyst were exchanged with an 18 O tracer by a reduction–oxidation method and by a catalytic oxidation of but-1-ene using 18 O 2. The bands at 992 and 900 cm−1 were more shifted to lower frequencies than those at
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::d353c0dc37eb6c6600ddc4c54f03d947
https://doi.org/10.1016/s1381-1169(97)00217-3
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7
Characteristic features of Raman band shifts of vanadium oxide catalysts exchanged with the 18O tracer and active sites for reoxidation
Autor: Hideo Numata, Takehiko Ono
Publikováno v: Journal of Molecular Catalysis A: Chemical. 116:421-429
The oxide oxygen ions of V2O5 catalyst were exchanged with 18 O tracer by a reduction–oxidation method and by a catalytic oxidation of n-butane using 18 O 2. The Raman band shifts of the V2O5 exchanged with 18 O by the methods were examined. The ba
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::d1e01aed24b259bf583175a9523922e3
https://doi.org/10.1016/s1381-1169(96)00425-6
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9
Features of Raman band shifts of MoO3 catalyst exchanged with 18O tracer and active sites for reoxidation
Autor: Takehiko Ono, Hideo Numata, Nobuaki Ogata
Publikováno v: Journal of Molecular Catalysis A: Chemical. 105:31-37
The oxide oxygens of MoO3 catalyst were exchanged with 18O tracer by a reduction-oxidation method and by a catalytic oxidation of but-1-ene using 18O2. The Raman band shifts of the MoO3 exchanged with 18O by the methods were examined. The two bands a
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::5b50d9ec3e09b303f5c80244d905ef18
https://doi.org/10.1016/1381-1169(95)00159-x
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