Rheumatoid Arthritis Support

* 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 ''R''''f'', 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

* Rate of flow


Adapted from the Wikipedia article RF, under the G. N. U. Free Documentation License. Please also see http://en.wikipedia.org/wiki