Biofuels form part of a complex system comprising their production factors (usually agricultural commodities) and raw and retail fuels. Recently, it has been suggested that biofuels might affect or be ...

In most cases, the velocity of sound in partially saturated rock is significantly greater than in pure gas under the same pressure and temperature. What this means is that the wave-propagation process ...

Consider the situation when we have training data containing many time series having known group membership and testing data with unknown group membership. The goals are to find timescale features ...