Factor H (FH) is a member of the regulators of complement activation family and is a complement control protein. It is a large (155 kilodaltons), soluble...

H-factor is a kinetic model for the rate of delignification in kraft pulping. It is a single variable model combining temperature (T) and time (t) and...

component 3, complement factor B, and complement factor I, as well as deletion of complement factor H-related 3 and complement factor H-related 1, also affect...

decommissioning. A capacity factor can also be expressed and converted to full load hours. Capacity factor = Annual generation   MW·h ( 365   days ) × ( 24...

The Sixteen Personality Factor Questionnaire (16PF) is a self-reported personality test developed over several decades of empirical research by Raymond...

Transcription factor II H (TFIIH) is an important protein complex, having roles in transcription of various protein-coding genes and DNA nucleotide excision...

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...

structure factor (or structure factor for short) is a mathematical description of how a material scatters incident radiation. The structure factor is a critical...

dimensionless friction factor, known as the Darcy friction factor. This is also variously called the Darcy–Weisbach friction factor, friction factor, resistance...

Variation in the genes for the complement system proteins factor H (CFH), factor B (CFB) and factor 3 (C3), among others, are strongly associated with a person's...

Factor analysis is a statistical method used to describe variability among observed, correlated variables in terms of a potentially lower number of unobserved...

complement factor I cleaves C3b into its inactive form, iC3b. Factor I requires a C3b-binding protein cofactor such as complement factor H, CR1, or membrane...

activation may be due to mutations in the complement regulatory proteins (factor H, factor I, or membrane cofactor protein (CD46)), or occasionally due to acquired...

regulatory proteins. Later, mutations in complement factor H, complement factor I, membrane cofactor protein, factor B, C3, and thrombomodulin have now been found...

matrix, H ∈ R users × latent factors {\displaystyle H\in \mathbb {R} ^{{\text{users}}\times {\text{latent factors}}}} contains the user's latent factors and...

portfolio management, the Carhart four-factor model is an extra factor addition in the Fama–French three-factor model, proposed by Mark Carhart. The Fama-French...

hypervirulent strain was discovered in China. Its impact is yet to be determined. Factor H binding protein (fHbp) that is exhibited in N. meningitidis and some commensal...

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

environmental factor, ecological factor or eco factor is any factor, abiotic or biotic, that influences living organisms. Abiotic factors include ambient...

pressure as a result of an infinitesimally small change in temperature is a factor H/T2. Similar equations include The typical applications of this equation...

glomerulonephritis, and shunt nephritis. Factor H is the primary regulator of C3. Deficiency of Factor H may lead to uncontrolled C3 activity through...

\sec \varphi \qquad \qquad {}} meridian scale factor  h = δ y a δ φ = y ′ ( φ ) a {\displaystyle \quad h\;=\;{\dfrac {\delta y}{a\,\delta \varphi \,}}={\dfrac...

In mathematics, an integrating factor is a function that is chosen to facilitate the solving of a given equation involving differentials. It is commonly...

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

to calculate the capital and operating costs of a plant. The factors were introduced by H. J. Lang and Dr Micheal Bird in Chemical Engineering magazine...

vertical scale factor, h, equals the horizontal scale factor, k. Since k = sec φ, so must h. The graph shows the variation of this scale factor with latitude...

of the ring, and f is correction factor. H. H. Zuidema and George W. Waters introduced the following correction factor in 1961: ( f − a ) 2 = 4 b π 2 1...

fluid dynamics, the Darcy friction factor formulae are equations that allow the calculation of the Darcy friction factor, a dimensionless quantity used in...

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

In molecular biology, a transcription factor (TF) (or sequence-specific DNA-binding factor) is a protein that controls the rate of transcription of genetic...