In mathematics, a factor system (sometimes called factor set) is a fundamental tool of Otto Schreier’s classical theory for group extension problem. It...

misnomer, the term survives (e.g., rhesus blood group system and the obsolete terms rhesus factor, rhesus positive, and rhesus negative – all three of...

also uses the Elo system. Despite questions of the appropriateness of using the Elo system to rate games in which luck is a factor, trading-card game...

In electrical engineering, the power factor of an AC power system is defined as the ratio of the real power absorbed by the load to the apparent power...

Look up Factor or factor in Wiktionary, the free dictionary. Factor (Latin, 'who/which acts') may refer to: Factor (agent), a person who acts for, notably...

In physics and engineering, the quality factor or Q factor is a dimensionless parameter that describes how underdamped an oscillator or resonator is. It...

limiting factor is a variable of a system that causes a noticeable change in output or another measure of a type of system. The limiting factor is in a...

platelets, and the exposure of subendothelial platelet tissue factor to coagulation factor VII, which ultimately leads to cross-linked fibrin formation...

dissipation factor (DF) is a measure of loss-rate of energy of a mode of oscillation (mechanical, electrical, or electromechanical) in a dissipative system. It...

Factor system, consisting of rods from lengths 1 to 12 cm (⅜" to 5"). Based on the work of Cuisenaire and Gattegno, he had invented a unified system for...

Multi-factor authentication (MFA; two-factor authentication, or 2FA, along with similar terms) is an electronic authentication method in which a user is...

The net capacity factor is the unitless ratio of actual electrical energy output over a given period of time to the theoretical maximum electrical energy...

energy flows. Ecosystems are controlled by external and internal factors. External factors such as climate, parent material which forms the soil and topography...

The Behavioral Risk Factor Surveillance System (BRFSS) is a United States health survey that looks at behavioral risk factors. Begun in 1984, the BRFSS...

Coagulation factor VIII (Factor VIII, FVIII, also known as anti-hemophilic factor (AHF)) is an essential blood clotting protein. In humans, it is encoded...

The X Factor is a British reality television music competition, and part of the global X Factor franchise created by Simon Cowell. Premiering on 4 September...

flow meter K-factor (centrifugation), relative pelleting efficiency of a given centrifuge rotor K factor (crude oil refining), a system for classifying...

The Human Factors Analysis and Classification System (HFACS) identifies the human causes of an accident and offers tools for analysis as a way to plan...

form factor may represent a broad class of similarly sized components, or it may prescribe a specific standard. It may also define an entire system, as...

high crest factor. Many crest factor reduction techniques (CFR) have been proposed for OFDM. The reduction in crest factor results in a system that can...

intelligence (AI), an expert system is a computer system emulating the decision-making ability of a human expert. Expert systems are designed to solve complex...

a factor of safety (FoS) or safety factor (SF) expresses how much stronger a system is than it needs to be for an intended load. Safety factors are...

In an audio system, the damping factor is defined as the ratio of the rated impedance of the loudspeaker (usually assumed to be 8 Ω) to the source impedance...

In computing, the motherboard form factor is the specification of a motherboard – the dimensions, power supply type, location of mounting holes, number...

immune system employs hormone-like signal substances; transfer factors are one class of such immune system communication substances. Transfer factors include...

needed] In the alternative pathway, C3b binds to Factor B. Factor D releases Factor Ba from Factor B bound to C3b. The complex of C3b(2)Bb is a protease...

nervous system and peripheral nervous system, and they are capable of regrowing damaged neurons in test tubes and animal models. Some neurotrophic factors are...

The impact factor (IF) or journal impact factor (JIF) of an academic journal is a scientometric index calculated by Clarivate that reflects the yearly...

chromatography, the retardation factor (R) is the fraction of an analyte in the mobile phase of a chromatographic system. In planar chromatography in particular...

The insulin-like growth factors (IGFs) are proteins with high sequence similarity to insulin. IGFs are part of a complex system that cells use to communicate...