Abbreviation of Rhesus factor.

plural of tissue factor

A protein present in endothelia and leukocytes. Classified as CD142. It plays a primary role in the blood clotting process by the initiation of thrombin formation.

(particle physics) The dimensionless magnetic moment

plural of g-factor

plural of factor graph

(mathematics) A bipartite graph representing the factorization of a function.

The value of energy loss rate of oscillation mode in a dissipative system.

(mathematics) A number that can be divided into two different numbers, without leaving a remainder.

A quantitative metric that measures how well a particular mask or respirator fits to a specific individual's face, defined as the ratio of the ambient concentration of aerosol particles to the concentration within the facepiece during use.