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Air–fuel ratio (AFR) is the mass ratio of air to a solid, liquid, or gaseous fuel present in a combustion process. The combustion may take place in a controlled manner such as in an internal combustion engine or industrial furnace, or may result in an explosion (e.g., a dust explosion). The air–fuel ratio determines whether a mixture is ...
The federal reserve component of the United States Air Force, AFRC has approximately 450 aircraft assigned for which it has sole control, as well as access to several hundred additional active duty USAF aircraft via AFRC "Associate" wings that are collocated with active duty Air Force wings, sharing access to those same active duty Air Force aircraft.
For example, AFR is used to characterize the reliability of hard disk drives.. The relationship between AFR and MTBF (in hours) is: [1] = (/) This equation assumes that the device or component is powered on for the full 8766 hours of a year, and gives the estimated fraction of an original sample of devices or components that will fail in one year, or, equivalently, 1 − AFR is the fraction of ...
AFR may refer to: AFR, a 2007 film; Afrikaans language, ISO-639 code; After Further Review, sports program on BYU TV; Air France, ICAO code; Air–fuel ratio, an engineering term; Armed Forces Radio, original name of American Forces Network; Alternate frame rendering, a computer term; American Family Radio, a network of radio stations in US
Degraded soil on a farm in Niger. AFR100 (African Forest Landscape Restoration Initiative) is an international partnership between African nations, financial interests both donor and business, technical organizations, and local interests which aims to restore more than 100 million hectares of land in Africa by 2030.
The air reserve components (ARC) are the reserve forces of the United States Air Force, consisting of the Air Force Reserve (AFR) and the Air National Guard (ANG). [1] ‘ ARC’ is a designation used to refer to the entire reserve structure of the Air Force; It is not a command or organization in and of itself.
On 24 November 2020, Moody's further downgraded Eskom's long-term credit rating to Caa1. [171] This places Eskom's credit within the "speculative grade" of investment, with a "very high credit risk". In 2015, the City of Cape Town sued the national government, demanding to be allowed to purchase electricity from third parties. The national ...
A long-range ballistic missile to threaten strategic use; The "Strategic Uncertainty" phase would include a policy of deliberate ambiguity, with South Africa neither affirming or denying its nuclear capabilities. South African politicians would also leak information to create uncertainty and worry South Africa's rivals.