Rf or RF is an abbreviation for: - (in science and technology:)
- Radiative forcing, (RF) is an IPCC unit that nominates the global, annual average of radiative imbalance (W m-2) in net heating of the Earth's lower atmosphere as a result of human activities since the beginning of the industrial era.
- "rate of flow", as in Volumetric flow rate
- Radio frequency
- RF connectors, electrical connectors designed to work at radio frequencies
- Random forest, a machine learning algorithm
- Receptive field, in neuroscience, referring to the kinds of stimuli to which a neuron is sensitive
- Recombinant Frequency, used in genetics to measure genetic linkage
- Register file, an array of processor registers in a CPU
- Retardation factor (or retention factor), designated as Rf, used in chromatography
- Reticular formation
- Rheumatoid factor, a blood test used to diagnose rheumatoid arthritis
- Roman foot, ancient Roman unit of measurement
- Rutherfordium, the symbol for the chemical element
- Release factor
- (in politics:)
- (in military)
- (in sports:)
- (in fiction and gaming:)
- (in arts:)
- (in economics:)
Rf may also refer to: [edit] Transportation RF Regal Four a 39 Seat Single Deck Bus, built for London Transport between 1951 & 1954, and in service until the late 70's
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