Polynomial invariants of Euclidean Lie algebras

Kobayashi, Zenji

doi:10.21099/tkbjm/1496160041

Cited by 2 publications

(1 citation statement)

References 3 publications

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“…The fluorescence spectrum of crystalline PIC bromide exhibits a similar shape, which is attributed to the presence of a number of lower energy traps. 18 In contrast with the absorption results, the emission intensity reaches a maximum at P/D = 2.18. When P/D is further increased, the fluorescence decreases and shifts to the red by 1-1.5 nm.…”

Section: Titration Of Pic With Pssmentioning

confidence: 58%

Investigation of pseudoisocyanine aggregates formed on polystyrenesulfonate

Peyratout

Donath

Daehne

2002

Photochem Photobiol Sci

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The interaction of 1,1'-diethyl-2,2'-cyanine (PIC), a non-fluorescent cationic dye known to form emissive J-aggregates in aqueous solutions, with the polyelectrolyte poly(styrenesulfonate) (PSS) is investigated by absorption and fluorescence spectroscopy. Depending on the amount of polyelectrolyte added, three regimes are identified. At a large excess of PIC, there is an equilibrium between the PIC monomer and a non-fluorescent PIC aggregate characterized by a strong absorption band centered at 565 nm. As the amount of PSS increases, we observe the growth of the PIC J-aggregate onto the PSS backbone, characterized by a sharp absorption band at 572 nm and a narrow emission at 577 nm. At a large excess of PSS, the major species consists of PIC molecules adsorbed independently along the polyelectrolyte chains.

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Section: Titration Of Pic With Pssmentioning

confidence: 58%

Investigation of pseudoisocyanine aggregates formed on polystyrenesulfonate

Peyratout

Donath

Daehne

2002

Photochem Photobiol Sci

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Estimation of the Sky View-factor from a Fish-eye Lens Image, Considering the Anisotropy of the Downward Longwave Radiation

Nakagawa

1988

Journal of the Meteorological Society of Japan

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An analytic expression is derived to estimate the zenith angle distribution of the downward longwave radiation from sky elements in terms of the surface air temperature, surface water vapor pressure and zenith angle, taking into account the anisotropy of the downward longwave radiation. In addition, a formula for estimating the sky view-factor is also derived for the special case in which the zenith angle of the skyline is constant. It is shown, on the basis of this formula, that the additional downward longwave radiation is a function of the surface air temperature, surface water vapor pressure, surface temperature of obstructions, and the zenith angle of the skyline. The values estimated by use of this function fit well with Kondo's (1982) screening factor F2, assuming that the surface air temperature is equal to the surface temperature of the obstructions. The relative deviation of the screening factor for isotropic radiation from that for anisotropic radiation is larger with respect to increasing surface water vapor pressure and decreasing skyline elevation. Applying this formula, a new method is proposed to calculate the view-factors of visible and obstructed skies from the fish-eye lens image using a digitizer in conjunction with a computer.

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Polynomial invariants of Euclidean Lie algebras

Cited by 2 publications

References 3 publications

Investigation of pseudoisocyanine aggregates formed on polystyrenesulfonate

Investigation of pseudoisocyanine aggregates formed on polystyrenesulfonate

Estimation of the Sky View-factor from a Fish-eye Lens Image, Considering the Anisotropy of the Downward Longwave Radiation

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