Convoy PQ 4 was the fifth of the Arctic Convoys of World War II by which the Western Allies supplied material aid to the Soviet Union in its fight with...

PQ 17 was the code name for an Allied Arctic convoy during the Second World War. On 27 June 1942, the ships sailed from Hvalfjörður, Iceland, for the port...

of the Police Quest: SWAT Force, SWAT Career Pack (which included all six PQ games), and Police Quest: SWAT Generation compilations. Police Quest: SWAT...

A PQ tree is a tree-based data structure that represents a family of permutations on a set of elements, discovered and named by Kellogg S. Booth and George...

suspended after the disaster of Convoy PQ 17, and again in the autumn after the final convoy of the series, Convoy PQ 18, because of the long daylight hours...

destroyers Gromky and Gremyashchy shell Vardø. 28 November 1941: Convoy PQ 3 and convoy PQ 4 arrived in Arkhangelsk. Return convoy QP 3 departed on 27 November...

'Quebec Party'; PQ; pronounced [paʁti kebekwa]) is a sovereignist and social democratic provincial political party in Quebec, Canada. The PQ advocates national...

Convoy PQ 18 was an Arctic convoy of forty Allied freighters from Scotland and Iceland to Arkhangelsk in the Soviet Union in the war against Nazi Germany...

reaction of 4 h ν + 2 H 2 O + 2 PQ + 4 H + ( stroma ) ⟶ O 2 + 2 PQH 2 + 4 H + ( lumen ) {\displaystyle 4h\nu +2{\ce {H2O}}+2{\ce {PQ}}+4{\ce...

to preclude attacks by German aircraft, like those that devastated Convoy PQ 17. Force R (Rear-Admiral Robert L. Burnett), with the cruisers HMS Sheffield...