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Accident risk in adverse conditions (wet/slippery road, darkness) increases drastically and speed adaptation in these conditions is often inappropriate. The safety potential of more appropriate speeds in these situations is high. Appropriate highest speeds in different conditions are discussed. A system, which limits the maximal speed of the vehicle in the actual situation (on wet/slippery road, a
Local blood flow in the thigh was measured with 133Xe clearance technique in eight male distance runners after compression with a foam rubber compress and a standard elastic bandage. Two degrees of compression were tested, and an initial experiment with rested subjects was followed by a similar experiment immediately after running. Maximum compression exerted a cutaneous pressure of 85 (+/- 8) mm
Papret diskuterar vad vi kallar profilerade livsföringsgrupper i 20-30-årsåldern i Sverige idag. Närmare bestämt handlar det om att förstå de specifika möjligheter och svårigheter som är knutna till mening, värde och identitet under de kulturella och sociala villkor som präglar vad man kan kalla det senmoderna samhället. Centrala begrepp är livsföring respektive livsföringsmodeller. Livsföring var
Physical limitations of antennas above infinite perfect electric conductor (PEC) ground planes are determined using the stored electromagnetic energy. Stored energies are computed with the method of moments (MoM) and the image theory. Convex optimization is used to derive the G/Q ratio and Q-factor for a reference geometry and the results are compared for different antenna types.
An algorithm to compute the Radiation Center of an antenna based on the Spherical Wave Expansion is introduced. The method is based on the angular momentum vector that is uniquely defined for any antenna far field pattern. The radiation center is defined as the phase reference point where the angular momentum is minimized and corresponds to minimizing the phase variations in the antenna far field
