objective: the current study was undertaken to examine the bactericide effects of atmospheric plasma produced by flat and comb electrodes on e.coli. materials and methods: dc (20 w) and ac (500 w) power supplies, flat and comb electrodes, insulator and oxygen gas were used to produce atmospheric plasma. bactericide effects of the atmospheric plasma were studied on e.coli on sterilized plate pla...

We present several equilibrium runs under varying atmospheric CO2 concentrations using the University of Victoria Earth System Climate Model (UVic ESCM). The model shows two very different responses: for CO2 concentrations of 400 ppm or lower, the system evolves into an equilibrium state. For CO2 concentrations of 440 ppm or higher, the system starts oscillating between a state with vigorous de...

The ENVISAT Satellite Payload includes the SCIAMACHY instrument designed to measure a number of chemically important atmospheric trace constituents on a global basis. Accurate determination of cloud information out of SCIAMACHY nadir measurements is needed for the retrieval of ozone and other trace gases and it is crucial for more demanding applications like aerosol retrieval and the retrieval ...

A method for the detection of in situ corrosion monitoring due to atmospheric gasses has been incorporated to measure not only the amount of corrosion on a copper surface but also the rate of corrosion and a study on the bonding of the adsorbent at the gas solid interface. The Quartz Crystal Microbalance (QCM) has recently been used for this corrosion monitoring. Results indicate a difference i...

Space diversity is one of the important techniques of overcoming the influence of atmospheric turbulence on laser communication. Having analyzed the theory of diversity technique, the paper has focused on researching the space diversity technique and established the joint probability density function of the threshold value. Outage probability is studied in laser communication and get the variat...

The Lagrange particle diffusion model LASAT and the Gaussian Austrian Odour Dispersion Model AODM are used to calculate direction-dependent separation distances around livestock farms. As the method has been published already in several papers, the focus is here on the differences of the results due to model physics. With both models, the same peak-to-mean algorithm is used to calculate short-t...

The purpose of this paper is to propose and analyze a simplified model for plasma generation in air flows at atmospheric pressure. The starting point is a model previously proposed by Lowke [21], enriched with a loss term which schematically takes into account the drag of the metastable and ionized species by the flow. An asymptotic analysis of this model confirmed by numerical simulations is p...

The radiant energy incident on the retina of a human viewing: the noon-day sun is calculated as 4.25 cal./cm.'-'-sec. with an image diameter of 0.16 mm., assuming an atmospheric transmission of 85'/( and a pupil diameter of 2.6 mm. The retinal irradiance under the limiting conditions of 100% atmospheric transmission and 6 mm. pupil diameter is shown to be only 29 cal./cm.-'-sec. This retinal ir...