This is a preview. Log in through your library . Abstract The front half of the nitrogen fixation system, which is one of the subsystems of Controlled Ecological Life Support System (CELSS), or NH3 ...

A new average speed camera system is now in operation on the N2 in Co Meath. The static cameras are located at Ballymagarvey and Cullen (near The Brink), just south of Slane. Motorists detected ...