Zobrazeno 1 - 10
of 61
pro vyhledávání: '"K Rahimullah"'
Publikováno v:
Journal of Quantitative Spectroscopy and Radiative Transfer. 147:86-101
The fifth spectrum of bromine (Br V) has been studied in the 200–2400 A wavelength region. The spectrum was photographed on a 3-m normal incidence vacuum spectrograph at the St. Francis Xavier University, Antigonish (Canada) and 6.65-m grazing inci
Publikováno v:
Journal of Quantitative Spectroscopy and Radiative Transfer. 142:37-48
The sixth spectrum of barium (Ba VI) has been investigated with the aid of experimental recordings made on a 3-m normal incidence vacuum spectrograph of Antigonish laboratory (Canada) in the wavelength region 300–2080 A using triggered spark as an
Publikováno v:
Journal of Quantitative Spectroscopy and Radiative Transfer. 133:281-299
The fifth spectrum of barium (Ba V) has been investigated with the aid of experimental recordings made on a 3-m normal incidence vacuum spectrograph at the Antigonish laboratory (Canada) in the wavelength region 300–2080 A using triggered spark as
Publikováno v:
Journal of Quantitative Spectroscopy and Radiative Transfer. 119:32-52
The seventh spectrum of barium (Ba VII) has been investigated using experimental recordings made on a 3-m normal incidence vacuum spectrograph in Canada in the wavelength region 300–2000 A. The data below 350 A was supplemented from the spectrogram
Publikováno v:
Journal of Quantitative Spectroscopy and Radiative Transfer. 113:2072-2080
The spectrum of three-times ionized bromine Br IV has been studied in the 319–2350 A wavelength region. The spectrum was recorded on a 3-m normal incidence vacuum spectrograph at the St. Francis Xavier University, Antigonish (Canada) and 6.65-m gra
Publikováno v:
Indian Journal of Physics. 85:1781-1801
The spectrum of neutral chromium (Cr I) has been investigated in detail. It is basically a sixelectron system, exhibiting a very complex structure with its ground configuration 3d54s. The low lying excited configuration is 3 d54p and the core excitat
Publikováno v:
Journal of Molecular Structure: THEOCHEM. 895:18-20
The molecular structure and vibrational spectra of uracil have been investigated by Hartree–Fock and density functional (B3LYP) methods with the 6-31G(d,p) basis set. The optimized geometric bond lengths and bond angles obtained by computations sho
Publikováno v:
Il Nuovo Cimento D. 15:1113-1121
Energy separations between fine-structure levels of the metastable 3s3p3P term of neutral magnesium have been calculated making use of asymptotic value of quantum defect for the 3snp orbits. Lande interval anomalies expressed as ratioLa=3(3P0-3P1)/3P
Publikováno v:
AIP Conference Proceedings.
Vibrational spectra of 5‐nitro‐6‐methyluracil have been investigated using quantum chemical density functional calculations, FT‐IR (400–4000 cm−1) and Raman (50–4000 cm−1) spectra. Harmonic vibrational frequencies were calculated by D
Publikováno v:
Physical Review Letters. 71:2364-2366
A new experimental limit to the possible time variation of the proton gyromagnetic ratio times the electron-to-proton mass ratio has been obtained from the frequency comparison data between Cs and Mg atomic beam standards. The measurements, made over