Critical Infrastructure Protection — or CIP is a national program to assure the security of vulnerable and interconnected infrastructures of the United States. In May 1998, President Bill Clinton issued Presidential directive PDD 63 [ [http://www.fas.org/irp/offdocs/pdd/pdd 63.htm… … Wikipedia
Components of jet engines — Diagram of a typical gas turbine jet engine. Air is compressed by the fan blades as it enters the engine, and it is mixed and burned with fuel in the combustion section. The hot exhaust gases provide forward thrust and turn the turbines which… … Wikipedia
Critical Nuclear Weapon Design Information — (CNWDI) is a U.S. Department of Defense category of Top Secret Restricted Data or Secret Restricted Data that reveals the theory of operation or design of the components of a thermonuclear or fission bomb, warhead, demolition munition, or test… … Wikipedia
Critical Internet infrastructure — is a collective term for all hardware and software systems that constitute essential components in the operation of the Internet. Physical transmission lines of all types, such as wired, fiber optic and microwave links, along with routing… … Wikipedia
Critical illumination — or Nelsonian illumination is a method of specimen illumination used for transmitted and reflected light (trans and epi illuminated) optical microscopy. Critical illumination focuses an image of a light source on to the specimen for bright… … Wikipedia
Critical infrastructure protection — Public infrastructure Assets and facilities Airports · Bridges · Broadband& … Wikipedia
Critical Foreign Dependencies Initiative — The Critical Foreign Dependencies Initiative (CFDI) is a strategy and list, maintained by the United States Department of Homeland Security, of foreign infrastructure which if attacked or destroyed would critically impact the U.S. [1][2] A copy… … Wikipedia
Critical psychology — Psychology … Wikipedia
Critical temperature — The critical temperature, Tc, of a material is the temperature above which distinct liquid and gas phases do not exist. As the critical temperature is approached, the properties of the gas and liquid phases become the same resulting in only one… … Wikipedia
Critical Depth — This article is about the Oceanography term. For the video game, see Critical Depth (video game). In biological oceanography, Critical Depth is defined as a hypothesized surface mixing depth at which phytoplankton growth is precisely matched by… … Wikipedia
Critical Zone Exploration Network - CZEN — The [http://www.czen.org Critical Zone Exploration Network] (CZEN) is a network of people, sites, tools, and ideas to investigate processes within the Critical Zone. This Zone, defined to encompass all fluid, mineral, gaseous, and biotic… … Wikipedia