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This paper focuses on the estimation of traffic risk of passive level railway crossing based on a formal graphic model. Traditional analysis and estimation approaches of traffic risk are based on the aggressive mathematical algorithms. Compared with these traditional methods, formal graphic model has better graphical interface to users, better modeling flexibility to the change of system conditions...
A magnetron sputtering system modified to produce ternary films has been used to map large portions of the ternary phase diagram for the Si-Al-Sn system. The system is unconventional because the stoichiometries of the elements sputtered on the substrates vary linearly with position and in an orthogonal manner. Variations in the composition and structure vs. position were obtained by electron microprobe...
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