The traffic assignment problem (TAP) with elastic demands can be formulated as an optimization problem, the objective of which is the sum of a congestion function and a disutility function. We propose ...

Campylobacter quantification by qPCR is unable to distinguish viable vs. dead cells in contrast to the culture-based ISO 10272-2 reference method. Propidium monoazide (PMA) has been used to overcome ...

This is a preview. Log in through your library . Abstract A procedure is described for observation and enumeration of microscopic epilithic algae, directly on stone surfaces. The method involves the ...