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Coagulation factor X (EC 3.4.21.6), or Stuart factor, is an enzyme of the coagulation cascade, encoded in humans by F10 gene. [5] It is a serine endopeptidase (protease group S1, PA clan ). Factor X is synthesized in the liver and requires vitamin K for its synthesis.
A survey of the water schemes in the early 1980s showed over 90% of taps were functioning, but now (2011) only 42.4% are functioning: in the Northern Region, 74% of 2305 taps from gravity-fed piped water schemes are non-functional; in the Central (1,465 taps) and Southern Regions (10,215 taps), 55% of the taps from piped water systems are non ...
Cambridge Water Co Ltd v Eastern Counties Leather plc [1994] 1 All ER 53 is a case in English tort law that established the principle that claims under nuisance and Rylands v Fletcher must include a requirement that the damage be foreseeable; it also suggested that Rylands was a sub-set of nuisance rather than an independent tort, a debate eventually laid to rest in Transco plc v Stockport ...
The Hazen–Williams equation is an empirical relationship that relates the flow of water in a pipe with the physical properties of the pipe and the pressure drop caused by friction. It is used in the design of water pipe systems [1] such as fire sprinkler systems, [2] water supply networks, and irrigation systems.
To ensure consistency and repeatability, the methods use in the chemical analysis of water samples are often agreed and published at a national or state level. By convention these are often referred to as "Blue book". [4] [5] Certain analyses are performed in-field (e.g. pH, specific conductance) while others involve sampling and laboratory ...
The equations can be used to describe an isotope fractionation process if: (1) material is continuously removed from a mixed system containing molecules of two or more isotopic species (e.g., water with 18 O and 16 O, or sulfate with 34 S and 32 S), (2) the fractionation accompanying the removal process at any instance is described by the ...
In this article, the following conventions and definitions are to be understood: The Reynolds number Re is taken to be Re = V D / ν, where V is the mean velocity of fluid flow, D is the pipe diameter, and where ν is the kinematic viscosity μ / ρ, with μ the fluid's Dynamic viscosity, and ρ the fluid's density.
Transcription factor RFX4 is a protein that in humans is encoded by the RFX4 gene. [5] [6] [7] This gene is a member of the regulatory factor X gene family, which encodes transcription factors that contain a highly conserved winged helix DNA binding domain. The protein encoded by this gene is structurally related to regulatory factors X1, X2 ...