John Lennox Monteith. 3 September 1929 — 20 July 2012

August 2014 20 − − John Bryce McLeod . 23 December 1929

HIV and AIDS surveillance, 1 July to 30 September 2012.

National surveillance for HIV infection is coordinated by the Kirby Institute, in collaboration with state and territory health authorities and the Australian Government Department of Health. Cases of HIV infection are notified to the National HIV Registry on the first occasion of diagnosis in Australia, by either the diagnosing laboratory (Australian Capital Territory, New South Wales, Tasmani...

Sir John McMichael - 25 July 1904--3 March 1993.

In Memoriam: Norton Zinder (1929–2012) Geneticist

Z inder, a superb geneticist (who also embraced biochemistry), died on February 3, 2012, following a long illness. He was 83. Zinder came of age at the dawn of microbial genetics. A prodigy with an eidetic memory, he was only 15 when he graduated from the Bronx High School of Science, where he built his first incubator for growing bacteria (a 60-W light bulb in a box with a thermostat). After e...

Rzeszow – Sofia September 2012

We consider queuing systems as models of distance learning system we analyze how characteristics of business process in the system affect on throughput and on learning outcomes. The processes of executing tasks and tasks validation process are the key processes in the distance learning. A model of the process performed by a student is a queuing system with refusals. A model of the process perfo...