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Positron annihilation rate for a low density electron gas

A simple approach, which utilizes existing results for the electron density around a fixed attractive point charge in an electron gas, is presented for treating the annihilation rate of a positron in an electron gas at low density.

Simultaneous PLIF Measurements for Visualization of Formaldehyde- and Fuel- Distributions in a DI HCCI Engine

Simultaneous laser-induced fluorescence (LIF) imaging of formaldehyde and a fuel-tracer have been performed in a direct-injection HCCI engine. A mix of N-heptane and iso-octane was used as fuel and Toluene as fluorescent tracer. The experimental setup involves two pulsed Nd:YAG lasers and two ICCD cameras. Frequency-quadrupled laser radiation at 266 nm from one of the Nd:YAG lasers was used for ex

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The leaking Law

This paper takes its starting point in the question of how damages for violation through crime are determined by the law. Damages for violation is a type of non-pecuniary damage and the non-pecuniary damages to crime victims is the dominating type of these damages in Swedish tort law. Yet there is a fundamental uncertainty about the computation of damages and what is really meant by "violation" in

Analytical On-Body Propagation Models for the Channel around the Body based on Attenuation of Creeping Waves over an Elliptical Surface

Wireless wearable medical devices located on the opposite side of the body communicate through creeping waves. The creeping waves undergo exponential attenuation with distance. Hence, an analytical propagation model is useful to estimate the link loss for a reliable link. In this document, we have presented analytical link loss models for the wireless propagation channel between the devices locate