Wednesday, April 30, 2008
Tuesday, April 29, 2008
A chain reaction is a sequence of reactions where a reactive product or by-product causes additional reactions to take place.
The neutron-fission chain reaction: a neutron plus a fissionable atom causes a fission resulting in a larger number of neutrons than was consumed in the initial reaction.
Chemical reactions, where a product of a reaction is itself a reactive particle which can cause more similar reactions. For example, every step of H2 + Cl2 chain reaction consumes one molecule of H2 or Cl2, one free radical H· or Cl· producing one HCl molecule and another free radical.
Electron avalanche process: Collisions of free electrons in a strong electric field forming "new" electrons to undergo the same process in successive cycles.
Posted by allenwoow at 10:11 AM
Sunday, April 27, 2008
The Chorister School is a pre-preparatory and preparatory day and boarding school for boys and girls aged 4-13 in Durham, England. It is located at 9 The College, a Grade I listed building adjacent to Durham Cathedral. The majority of the pupils at the school attend on a "day" basis, with about 30 boarders of both sexes making up the balance. Boys who are Choristers all board. Pupils are taught in small classes in a collection of historic buildings all of which form part of the College, or Cathedral Close.
Tony Blair (b. 1953), former Prime Minister of the United Kingdom
Rowan Atkinson (b. 1955), comedian, "Mr Bean"
Rear Admiral Jonathan A Burch, CBE, Director General Aircraft (Navy)
Sir John Laws, The Rt Hon Lord Justice Laws High Court Judge between 1992 and 1999, when he came to the Court of Appeal.
Sir Donald Limon, Assistant Clerk then Clerk to the House of Commons 1956-2006
Patrick McDermott "Paddy MacDee" BBC television and radio programme host, newsreader and commentator
Dr Peter Scott, Vice-Chancellor of Kingston University
John C N Slater, Q.C. Recorder of the Crown Court, Deputy High Court Judge and Arbitrator
Sir Peter Vardy, businessman and educationalist
Dr Dyfri Williams, Keeper of Greek and Roman Antiquities at the British Museum.
Posted by allenwoow at 8:49 AM
Saturday, April 26, 2008
The UEFA Euro 2004 (or just Euro 2004) was the twelfth edition of UEFA's quadriennial European Football Championship and was held in Portugal, for the first time, between June 12 and July 4, 2004. Like in the previous two editions, in England and Netherlands/Belgium, sixteen teams contested the final tournament after going through a qualification round which began in 2002. The tournament took place in ten venues located in eight cities — Aveiro, Braga, Coimbra, Guimarães, Faro/Loulé, Leiria, Lisbon and Porto.
During the tournament there were several surprises: the German, Italian and Spanish national football teams were knocked out during the group stage; the title-holders France were eliminated in the quarterfinals by unfancied Greece, and the Portuguese hosts managed a winning streak towards the final, following their opening defeat, by beating Spain, England and The Netherlands along the way. For the first time, the final featured the same teams as the opening match, with the hosts losing both of them also for the first time. Portugal was beaten by Greece on both occasions. Greece's triumph was even more outstanding considering that in their only other appearance, back in 1980, they did not win a single game.
During the opening ceremony, the Portuguese portrayed a ship, symbolizing the voyages of the Portuguese explorers, sailing through a sea which gave place to the flags of all competing countries.
The sixteen teams that participated in the final tournament were:
Twelve referees were selected for the tournament:
Kim Milton Nielsen
Manuel Mejuto González
Urs Meier Match officials
- For teams which finish level on points, the following tie-breakers are used:
greater number of points in the matches between the teams in question;
greater goal difference in matches between the teams in question;
greater number of goals scored in matches between the teams in question;
greater goal difference in all group games;
greater number of goals scored in all group games;
higher coefficient derived from EURO 2004 and 2002 World Cup qualifiers (points obtained divided by number of matches played);
fair play conduct in EURO 2004;
drawing of lots. Notes
Main article: 2004 UEFA European Football Championship - Group A Group A
Main article: 2004 UEFA European Football Championship - Group B Group B
Main article: 2004 UEFA European Football Championship - Group C Group C
Main article: 2004 UEFA European Football Championship - Group D Group D
Main article: 2004 European Football Championship knockout stage Knockout stages
Euro 2004 Top Scorers
Ruud van Nistelrooy
Jon Dahl Tomasson
Juan Carlos Valeron
Igor Tudor (vs. France)
Jorge Andrade (vs. Netherlands) Top scoring players
Bulgaria Top scoring teams
2 Minutes : Dmitri Kirichenko (Russia vs Greece)
2004 UEFA European Football Championship squads
UEFA Euro 2004 QualifyingPosted by allenwoow at 9:31 AM
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