regenerated
21Time Lord — This article is about the civilisation from Doctor Who. For other uses, see Time Lord (disambiguation). Doctor Who alien Time Lord Type …
22Catalytic reforming — is a chemical process used to convert petroleum refinery naphthas, typically having low octane ratings, into high octane liquid products called reformates which are components of high octane gasoline (also known as petrol). Basically, the process …
23F-ratio — In oceanic biogeochemistry, the f ratio is the fraction of total primary production fuelled by nitrate (as opposed to that fuelled by other nitrogen compounds such as ammonium). This fraction is significant because it is assumed to be directly… …
24Regeneration (Doctor Who) — Regeneration, in the context of the long running British science fiction television series Doctor Who , is a biological ability exhibited by the Time Lords, a race of fictional humanoids originating on the planet Gallifrey. This process allows a… …
25Nitrogen cycle — Schematic representation of the flow of nitrogen through the environment. The importance of bacteria in the cycle is immediately recognized as being a key element in the cycle, providing different forms of nitrogen compounds assimilable by higher …
26Borusa — Doctorwhocharacter name=Borusa series=Doctor Who affiliation=Time Lords race=Gallifreyan planet=Gallifrey era=Rassilon Era start= The Deadly Assassin finish= The Five Doctors portrayed=Angus MacKay John Arnatt Leonard Sachs Philip LathamBorusa is …
27Norther — performing live at Wacken Open Air Background information Origin Espoo, Finland …
28Robot (Doctor Who) — 075 – Robot Doctor Who serial The K1 Robot prepares to take Sarah captive Cast …
29List of Doctor Who villains — The War Chief redirects here. For the Age of Empires III expansion pack, see Age of Empires III: The War Chiefs. Zaroff redirects here. For the fictional Richard Connell villain, see The Most Dangerous Game. This is a list of villains from the… …
30Fiber Bragg grating — A fiber Bragg grating (FBG) is a type of distributed Bragg reflector constructed in a short segment of optical fiber that reflects particular wavelengths of light and transmits all others. This is achieved by adding a periodic variation to the… …
