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In physiology, filtration coefficient (Kf) is the product of a biological membrane's permeability to water and the surface area of the membrane. Typical
Filtration_coefficient
Mathematical description of fluid movements
customarily measured in millimetres of mercury (mmHg), and the filtration coefficient in millilitres per minute per millimetre of mercury (ml·min−1·mmHg−1)
Starling_equation
Functional unit of nephron
{gc} }-\pi _{\mathrm {bc} }))} GFR is the glomerular filtration rate Kf is the filtration coefficient—a proportionality constant Pgc is the glomerular capillary
Glomerulus_(kidney)
Smallest type of blood vessel
pressure (πc) Interstitial oncotic pressure (πi) Filtration coefficient (Kf) Reflection coefficient (σ) Disorders of capillary formation as a developmental
Capillary
Topics referred to by the same term
constants of complexes, abbreviated as Kf (constant of formation) Filtration coefficient Kline–Fogleman airfoil KDE Frameworks, a collection of libraries
KF
some of the average values can be seen in the following table. The filtration coefficient is determined by the hydraulic conductivity, which is a measure
Surface chemistry of microvasculature
Surface_chemistry_of_microvasculature
Renal function test
Deaconess Medical Center dropped the Black race coefficient in their estimated glomerular filtration rate (eGFR) report, resulting in a steady increase
Glomerular_filtration_rate
Attribute of blood vessels
E. & Tooke, J. E. Development of Landis Technique for Measuring Filtration Coefficient of Individual Capillaries in Frog Mesentery. Q J Exp Physiol Cms
Vascular_permeability
Fluid filtration medium
use a porous filtration medium to retain particles throughout the medium, rather than just on the surface of the medium. Depth filtration, typified by
Depth_filter
Topics referred to by the same term
Filtration is a physical process that separates solid matter and fluid from a mixture. Look up Filter, filter, filtering, or filters in Wiktionary, the
Filter
Algebraic structure
possible to refine the weight filtration on the cohomology with rational coefficients to one with integral coefficients. The Tate–Hodge structure Z (
Hodge_structure
Transport of substances between two fractions with the help of permeable membranes
mechanical separation of gas and liquid streams. In the simplest case, filtration is achieved when the pores of the membrane are smaller than the diameter
Membrane_technology
Technology of indoor and vehicular environmental comfort
control airborne contaminants through heating, cooling, ventilation, filtration, and humidity control. HVAC design considerations include energy efficiency
Heating, ventilation, and air conditioning
Heating,_ventilation,_and_air_conditioning
In mathematics, the Moy–Prasad filtration is a family of filtrations of p-adic reductive groups and their Lie algebras, named after Allen Moy and Gopal
Moy–Prasad_filtration
than one large hole. High surface area facilitates catalytic reaction or filtration. The open spaces in the cross-sectional area are 72 to 87% of the frontal
Monolith_(catalyst_support)
Experimental design in statistics
on filtration rate. The analysis of variance (ANOVA) including all 4 factors and all possible interaction terms between them yields the coefficient estimates
Factorial_experiment
Random motion of particles suspended in a fluid
own natural filtration); and for all 1 ≤ i, j ≤ n, Xi(t) Xj(t) − δij t is a martingale with respect to P (and its own natural filtration), where δij denotes
Brownian_motion
American civil engineer (1869–1930)
filtration technology was the derivation of two terms for describing the size distribution of filter media: effective size and uniformity coefficient
Allen_Hazen
Parameter of solute diffusion
through a viscous liquid feels a drag force proportional to the frictional coefficient f {\displaystyle f} : F drag = f s = ( 6 π η a ) s {\displaystyle
Stokes_radius
holomorphic vector bundle may be built from stable ones using Harder–Narasimhan filtration. Stable bundles were defined by David Mumford in Mumford (1963) and later
Stable_vector_bundle
Type of Soviet nuclear power reactor
reactor design had several shortcomings, such as the large positive void coefficient, the 'positive scram effect' of the control rods and instability at low
RBMK
field coefficients) corresponding to a filtration of topological spaces, and a collection of linear maps induced by the inclusions of the filtration. The
Persistence_module
Synthetic polymer
low electric polarizability of fluorine. PTFE has one of the lowest coefficients of friction of any solid. Polytetrafluoroethylene is used as a non-stick
Polytetrafluoroethylene
Tool in homological algebra
compatible with the filtration, i.e. d ( F p C n ) ⊂ F p C n + 1 {\textstyle d(F^{p}C^{n})\subset F^{p}C^{n+1}} , and that the filtration is exhaustive, that
Spectral_sequence
Pharmacokinetic measurement
include the mass transfer coefficient, dialysate flow and dialysate recirculation flow for hemodialysis, and the glomerular filtration rate and the tubular
Clearance_(pharmacology)
being killed Λ C W {\displaystyle \Lambda _{CW}\!} is the Chick-Watson coefficient of specific lethality C {\displaystyle C\!} is the concentration of the
CT_Value
Lightweight aggregate made by heating clay at high temperature in a rotary kiln
being perfect sweet soil for plants, and as a material for drainage and filtration. Common uses are in concrete blocks, concrete slabs, geotechnical fillings
Expanded_clay_aggregate
Material placed in front of an X-ray source
wavelengths within a given beam before reaching the image receptor. Adding a filtration device to certain x-ray examinations attenuates the x-ray beam by eliminating
X-ray_filter
Device that uses compressed air to fire projectiles
longevity. Modern stand pumps have multi-stage chambers and built-in air filtration systems and have overcome many of these problems. Using scuba-quality
Air_gun
Fiber created from high purity quartz crystals
thermal resistance than S-glass or E-glass. Quartz fiber also has a low coefficient of thermal expansion. Since quartz fiber is expensive, it has limited
Quartz_fiber
Transport that does not require energy
kinds of passive transport are simple diffusion, facilitated diffusion, filtration, and/or osmosis. Passive transport follows Fick's first law. Diffusion
Passive_transport
Device for extracting and cleaning a filtrate
A pusher centrifuge is a type of filtration device that offers continuous operation to de-water and wash materials such as relatively incompressible feed
Pusher_centrifuge
Energy -- Engineering -- Engineering economics -- Enzymatic reaction -- Filtration -- Fluid dynamics -- Flow battery -- Fuel cell -- Fuel technology -- Gasification
Index of chemical engineering articles
Index_of_chemical_engineering_articles
Natural or synthetic substance that is significantly longer than it is wide
to ultra-fine fibers (glass or meltblown thermoplastics) often used in filtration. Newer fiber designs include extruding fiber that splits into multiple
Fiber
In geometry, property of being directionally dependent
membrane with increasingly smaller interstitial spaces in the direction of filtration so that the proximal regions filter out larger particles while distal
Anisotropy
Swedish chemist, physician, and academic
"Cystatin C-based equations for estimating glomerular filtration rate do not require race or sex coefficients". Scandinavian Journal of Clinical and Laboratory
Anders_Grubb
Protein used as a biomarker of kidney function
brain disorders involving amyloid such as Alzheimer's disease. Glomerular filtration rate (GFR), a marker of kidney health, is most accurately measured by
Cystatin_C
Statistical filter
completely fooled by the noisy and non-stationary ocean environment. KZ filtration resolved the problem and enabled proof of Kolmogorov's law in that domain
Kolmogorov–Zurbenko_filter
Device which rejects waste heat to the atmosphere through the cooling of a water stream
the ideal method of filtration, for higher flow systems it may be cost-prohibitive. Side-stream filtration – Side-stream filtration, although popular and
Cooling_tower
Net movement of mass from one location, phase, etc. to another
processes, such as absorption, evaporation, drying, precipitation, membrane filtration, and distillation. Mass transfer is used by different scientific disciplines
Mass_transfer
variation in void fraction, velocities and transport coefficient due to combined processes of filtration and heat exchange. Moving-bed heat exchangers have
Moving-bed_heat_exchanger
Algebro-geometric stability condition
was made precise by Székelyhidi, who introduced filtration K-stability. A filtration here is a filtration of the coordinate ring R = ⨁ k ≥ 0 H 0 ( X , L
K-stability
Armenian Soviet geologist, engineer-builder
composition of post-ice-age clay and suspension pressure acting against filtration. Ter-Stepanian was a member of the National Academy of Sciences of Armenia
George_Ter-Stepanian
Material
for wastewater. The filtration process is a combination of adsorption, surface filtration, and deep filtration with deep filtration providing a majority
Ceramic_foam
"Accelerometers usability for danger tilt off-highway vehicles and signal filtration with kalman filter". Journal of Applied Science in the Thermodynamics
Math.NET_Numerics
Thermoplastic fluoropolymer
strong piezoelectricity was observed in PVDF, with the piezoelectric coefficient of poled (placed under a strong electric field to induce a net dipole
Polyvinylidene_fluoride
Device using centrifugal force to separate fluids
Generally, there are two types of centrifuges: the filtration and sedimentation centrifuges. For the filtration or the so-called screen centrifuge, the drum
Centrifuge
Measure of pressure exerted by large dissolved molecules in biological fluids
(proteinuria), there will be a reduction in oncotic pressure and an increase in filtration across the capillary, resulting in excess fluid buildup in the tissues
Oncotic_pressure
Chemical compound
Mechanical Properties Coefficient of friction 0.19-0.27 Compressive modulus 6.2 GPa Compressive strength 400 MPa Elongation at break 3% Hardness - Rockwell
Polybenzimidazole
Electronic device
impedance can be reasonably constant in the pass band. Multiple-element filtration are usually constructed as a ladder network. These can be seen as a continuation
Electronic_filter
Tool in mathematical dimension theory
of a multivariate polynomial ring, filtered by the total degree. The filtration of a local ring by the powers of its maximal ideal. In this case the Hilbert
Hilbert series and Hilbert polynomial
Hilbert_series_and_Hilbert_polynomial
Combustion process involving solids and gases
diluted with Krypton: an inert gas that has a large X-ray absorption coefficient. Terracciano, Anthony (2016). "Design and development of a porous heterogeneous
Heterogeneous_combustion
Set of laboratory techniques for separation of mixtures
the stationary phases. Subtle differences in a compound's partition coefficient result in differential retention on the stationary phase and thus affect
Chromatography
Inorganic, nonmetallic solid prepared by the action of heat
strengthening technique are important for solid oxide fuel cells and water filtration devices. To process a sample through ice templating, an aqueous colloidal
Ceramic
Purification technique
concentrations of salt solution is known. After removing the precipitate by filtration or centrifugation, the desired protein can be precipitated by altering
Salting_out
Most populous city in the United States
As a result of the watershed's integrity and undisturbed natural water filtration system, New York is one of only four major cities in the United States
New_York_City
concentration, and k {\displaystyle k} the deposition rate coefficient. The rate coefficient depends on the flow velocity, flow geometry, and the interaction
Particle_deposition
Motor vehicle
grille featuring a small "Prelude" badge, an access door to the cabin air filtration system allowing for cabin air filter replacement without modifications
Honda_Prelude
Technique for determining size distribution of particles
time scale of movement of the scatterers. Sample preparation either by filtration or centrifugation is critical to remove dust and artifacts from the solution
Dynamic_light_scattering
Result of commutative algebra
monomial appearing in the left-hand side of the above equation, with coefficient a ∈ k {\displaystyle a\in k} , the highest term in y ~ {\displaystyle
Noether_normalization_lemma
American physicist (1920–2025)
Watershed agreement is not enough" (1997, with George Klein) "Our view: Filtration plant will have adverse impact" (1998, with Gudrun LeLash) "Preventing
Marian_H._Rose
Diffusion process with a non-linear relationship to time
=2dD\tau } with d being the number of dimensions and D the diffusion coefficient). It has been found that equations describing normal diffusion are not
Anomalous_diffusion
Cooling of air in an enclosed space
averted annually owing to air conditioning. Air conditioning (including filtration, humidification, cooling and disinfection) can be used to provide a clean
Air_conditioning
and an n-by-n matrix A of algebraic functions with algebraic number coefficients. The question is to give a criterion for when there is a full set of
Grothendieck–Katz p-curvature conjecture
Grothendieck–Katz_p-curvature_conjecture
Method of separating mixtures
separation operations were subsumed under the term distillation, such as filtration, crystallization, extraction, sublimation, or mechanical pressing of oil
Distillation
Differential equations involving stochastic processes
distributed. The function μ is referred to as the drift coefficient, while σ is called the diffusion coefficient. The stochastic process Xt is called a diffusion
Stochastic differential equation
Stochastic_differential_equation
Sports car produced by Dodge (1992–2017)
The fuel system was upgraded to include a higher-capacity fuel pump and filtration system. The Viper ACR made a return for the ZB II generation and was put
Dodge_Viper
Set of finitely supported functions from a group to a ring
that the identity element 1G of G induces a canonical embedding of the coefficient ring (in this case C) into C[G]; however strictly speaking the multiplicative
Group_ring
Algebra associated to any vector space
_{1}\wedge \mathbf {e} _{2})} , which gives the last line. Note that the coefficient in this last expression is precisely the determinant of the matrix [v
Exterior_algebra
Capacity of a substance to dissolve in a homogeneous way
gasoline. A mixture of gasoline and sugar can therefore be separated by filtration or extraction with water. This term is often used in the field of metallurgy
Solubility
Species of flightless bird
marker of glomerular filtration rate (GFR). It has been seen that during normal hydration within the kidneys, the glomerular filtration rate is approximately
Common_ostrich
Device that removes nitrogen from air
affected by the penetrant size. Larger gas molecules have a lower diffusion coefficient. The membrane gas separation equipment typically pumps gas into the membrane
Oxygen_concentrator
Theorem on changes in stochastic processes
{\displaystyle X_{t}} be a measurable process adapted to the natural filtration of the Wiener process { F t W } {\displaystyle \{{\mathcal {F}}_{t}^{W}\}}
Girsanov_theorem
not biholomorphisms. Let FpHk(Xb, C) denote the pth step of the Hodge filtration. The Hodge numbers of Xb are the same as those of X0, so the number bp
Period_mapping
Drug calculating formula
the BSA i.e. per 1.73 m² to gain an appreciation of the true glomerular filtration rate (GFR); The Quetelet index uses a somewhat modified form of the BSA
Body_surface_area
Unsolved problem in geometry
manifold, so that there is a decomposition on its cohomology with complex coefficients H n ( X , C ) = ⨁ p + q = n H p , q ( X ) , {\displaystyle H^{n}(X,\mathbb
Hodge_conjecture
Chemical element with atomic number 19 (K)
equations of state describing both the dynamic viscosity and self-diffusion coefficient for potassium and thallium in their fluid phases". Physics of Fluids
Potassium
Medication used to treat diabetes
contraindicated in people with: Severe renal impairment (estimated glomerular filtration rate (eGFR) below 30 mL/min/1.73 m2) Known hypersensitivity to metformin
Metformin
Measured values that are relatively normal for a particular medical test
variation of cystatin C: Implications for the assessment of glomerular filtration rate". Clinical Chemistry. 44 (7): 1535–1539. doi:10.1093/clinchem/44
Reference_range
Instrument for measuring particle concentration
continuous filter-tape sampler developed in the 1950s for the measurement of coefficient of haze. This instrument drew the sample air stream through a filter
Aethalometer
Concentrated dry tea beverage mix
dt}=h_{D}A_{gc}[{c_{e}}^{i}(t)-{c_{e}}(t)]} Where hD is the overall mass transfer coefficient and is substituted for 2 ( D c / π t c ) 1 2 {\displaystyle 2({{D_{c}}/\pi
Instant_tea
Blue dye also used as a medication
water; this quality makes methylene blue serve as a good predictor for filtration qualities of carbon. It is also a quick method of comparing different
Methylene_blue
Symptoms resulting from kidney damage
Cofactors, such as apolipoprotein C2, may also be lost by increased filtration of proteins. Thrombophilia, or hypercoagulability, is a greater predisposition
Nephrotic_syndrome
Study of organisms and their environment
medicine), the regulation of climate, global biogeochemical cycles, water filtration, soil formation, erosion control, flood protection, and many other natural
Ecology
Analysis of datasets using techniques from topology
appear at filtration level t i {\displaystyle t_{i}} and never disappear, while the torsion parts correspond to those that appear at filtration level r
Topological_data_analysis
Aspect of fluid dynamics
potentially high importance in biology, and in engineering applications such as filtration and microfluidics. The first observations of a different behavior of water
Exclusion_zone_(physics)
Collection of random variables
including covariance stationarity or stationarity in the broad sense. A filtration is an increasing sequence of sigma-algebras defined in relation to some
Stochastic_process
Accumulation of unwanted material on solid surfaces
exchangers and may cause deterioration of the relevant heat transfer coefficient. They may also create flow blockages, redistribute the flow inside the
Fouling
Branch of mathematics
Y^{I}=\operatorname {Map} (I,Y)} . A CW complex is a space that has a filtration X ⊃ ⋯ ⊃ X n ⊃ X n − 1 ⊃ ⋯ ⊃ X 0 {\displaystyle X\supset \cdots \supset
Homotopy_theory
Generalization of the tangent space to a manifold to the case of certain spaces
spectrum of the associated graded ring of OX,x with respect to the m-adic filtration: gr m O X , x = ⨁ i ≥ 0 m i / m i + 1 . {\displaystyle \operatorname
Tangent_cone
transport, sedimentation, slurry transport, powder mixing and granulation, filtration systems, pharmaceutical manufacturing, mineral processing, and geophysical
CFD-DEM
Form of matter
materials, fire retardant foams, froth flotation, foam fractionation, and filtration. Common examples are soap foam, the head on beer, bread, bath sponges
Foam
Meromorphic differential form
cohomology of X − D {\displaystyle X-D} with complex coefficients has a decreasing filtration, the Hodge filtration, whose associated graded vector spaces are the
Logarithmic_form
}(-)=H^{\ast }(-,k)} denote singular homology and singular cohomology with coefficients in k, respectively. Consider the following pullback E f {\displaystyle
Eilenberg–Moore spectral sequence
Eilenberg–Moore_spectral_sequence
Research field in deep learning
Noteworthy examples include new algorithms for learning task-specific filtration functions for graph classification or node classification tasks. TDL is
Topological_deep_learning
Type of rechargeable battery
electrolyte composition by removing impurities which can be achieved through filtration methods. The recycling of the electrolytes, which consists 10–15 wt.%
Lithium-ion_battery
Invariant of algebraic varieties and of more general schemes
be defined with coefficients in any abelian group. The theories with different coefficients are related by the universal coefficient theorem, as in topology
Motivic_cohomology
Formal power series with coefficients tending to 0
subring of a formal power series ring that consists of power series whose coefficients approach zero as degree goes to infinity. Over a non-archimedean complete
Restricted_power_series
Concept in mathematics
filtered algebra, since the filtration preserves the algebraic properties of the subspaces. Note that the limit of this filtration is the tensor algebra T
Universal_enveloping_algebra
Process creating a thin layer of (usually) silicon dioxide
contaminate any wafer, vertical furnaces use enclosed cabinets with air filtration systems to prevent dust from reaching the wafers. Vertical furnaces also
Thermal_oxidation
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