PHOTOCHEMICAL TEMPERATURE COEFFICIENTS

The Temperature Coefficient of the Photochemical Formation of Hydrogen Chloride.

spacing 23.62; those at 1 and 2, and at 3 and 4 have dyad screw axes parallel to the edge with spacing 6.50. Diphenic Acid.-The analysis of this compound is not complete. The results obtained show that the crystal is orthorhombic with the dimensions a = 14.12, b = 11.90, c = 13.75, and that there are eight molecules in the unit cell. This indicates an arrangement quite different from the other ...

Using Temperature of IR Sources for Assessing Photochemical and Aphakic Retinal Hazard

Introduction Blue light is a part of the spectrum with the highest energy content, which can reach the retina. The damage that it can cause to the retina is called photochemical or blue-light retinal injury. For the retinal injury assessment of the photochemical and aphakic retinal hazards in the wavelength range of 300-700 nm, use of effective spectral radiance limits (W.m-2.sr-1) seems to be ...

Sensitivity of photodissociation rate coefficients and O3 photochemical tendencies to aerosols and clouds

[1] We examine the sensitivity of the daily integrated photodissociation rate (DIPR) coefficients of O3(O D) and NO2, the daily averaged O3 photochemical tendency, and OH concentration to variations of clouds and of four aerosol components: black carbon (BC), mineral dust, sea salt, and sulfate. Clouds and BC aerosols are found to be the most important. A comparison between the sensitivity stud...

On the Navier-stokes Equations with Temperature-dependent Transport Coefficients

1D compressible flow with temperature dependent transport coefficients

We establish existence of global-in-time weak solutions to the one dimensional, compressible Navier-Stokes system for a viscous and heat conducting ideal polytropic gas (pressure p = Kθ/τ , internal energy e = cvθ), when the viscosity μ is constant and the heat conductivity κ depends on the temperature θ according to κ(θ) = κ̄θ , with 0 ≤ β < 3 2 . This choice of degenerate transport coefficient...