We consider a given region Ω where the traffic flows according to two regimes: in a region C we have a low congestion, where in the remaining part Ω \ C the congestion is higher. The two congestion functions H1 and H2 are given, but the region C has to be determined in an optimal way in order to minimize the total transportation cost. Various penalization terms on C are considered and some nume...

When packet loss rate exceeds a given threshold, received audio and video become unintelligible. A congested router transmitting multimedia packets, while inflicting a packet loss rate beyond a given threshold, effectively transmits useless packets. Useless packet transmission wastes router bandwidth when it is needed most. We propose an algorithm to avoid transmission of useless multimedia pac...

Elemental carbon (EC), organic carbon (OC), and particulate matter (PM) emission rates are reported for a number of heavy heavy-duty diesel trucks (HHDDTs) and back-up generators (BUGs) operating under real-world conditions. Emission rates were determined using a unique mobile emissions laboratory (MEL) equipped with a total capture full-scale dilution tunnel connected directly to the diesel en...

A nite-buuered banyan network analysis technique designed to model networks at high traac loads is presented. The technique specially models two states of the network queues: queue empty and queue congested (roughly, zero or one slots free). A congested queue tends to stay congested because packets bound for the queue accumulate in the previous stage. The expected duration of this state is comp...

The paper will describe the results of research recently completed, funded by Transfund New Zealand, into the phenomenon of traffic peak spreading in congested urban environments. The work looked specifically at two facets: 4 the extent to which traffic peak spreading has been observed and the underlying behavioural aspects 4 how (if) traffic peak spreading is modeled in different countries and...

a 3-month-old male german shepherd dog was referred with depression, vomition, hemorrhagic diarrhea, abdominal pain, anorexia and dehydration. the affected dog did not have any history of vaccination. despite treatment, the animal died within 2 days after the onset of clinical signs. gross examination of tissues showed hemorrhages (ecchymoses) in the mucosa of the digestive tract. the liver was...

Congestion roads can cause many unwelcome results like making people late to work; deliveries do not arrive on time and more. One way to tackle this annoyance is letting the driver know which roads are congested, so they will be able not to go through them. This paper suggests a fast computerized method of concluding which roads are congested and which ones are vacant by automatic analyzing of ...

This paper is a commentary on the work of Butt and Cavalier [2], a paper that was published in an earlier issue of this journal. With the aid of an example problem, we demonstrate that the set of gridlines proposed by them to nd the rectilinear least cost path between two points in the presence of convex polygonal congested regions is inadequate. We proceed to prove its adequacy for the case of...

the sac, which, on being opened, was found to contain about a foot of very much congested small intestines with a large piece of omentum. The stricture being divided, the hernia could not bp returned with gentle manipulation owing to the swollen condition of the contents of the Sac; the omentum was therefore ligatured with catgut in two pieces close to the neck, cut off, and the stump returned ...