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Mathematical ratios used to quantify concentration of market shares in industries
concentration ratios are used to quantify market concentration and are based on companies' market shares in a given industry. A concentration ratio (CR)
Concentration_ratio
Ratio of part of a mixture to the whole
be distinguished: mass concentration, molar concentration, number concentration, and volume concentration. The concentration can refer to any kind of
Concentration
Concentration risk can be calculated for a single bank loan or whole portfolio using a "concentration ratio". For a single loan, the concentration ratio
Concentration_risk
Term in market economics
high market concentration produces undesirable consequences such as reduced competition and higher prices. The market concentration ratio measures the
Market_concentration
Relationship between two numbers of the same kind
(sometimes also as ratios). In chemistry, mass concentration ratios are usually expressed as weight/volume fractions. For example, a concentration of 3% w/v usually
Ratio
Ratio of concentrations in a mixture at equilibrium
coefficient (D) is the ratio of concentrations of a compound in a mixture of two immiscible solvents at equilibrium. This ratio is therefore a comparison
Partition_coefficient
Economics term
measure, through the use of widely used analytical techniques such as concentration ratios, the Herfindahl-Hirschman index and the Lerner index, regulators
Market_power
Measure of the relative size of firms
benefit of the Herfindahl index in relation to measures such as the concentration ratio is that the HHI gives more weight to larger firms. Other advantages
Herfindahl–Hirschman_index
Equation used to estimate pH of a weak acid or base solution
buffer solutions by approximating the actual concentration ratio as the ratio of the analytical concentrations of the acid and of a salt, MA. It is also
Henderson–Hasselbalch equation
Henderson–Hasselbalch_equation
Measure of concentration of a chemical
02214076×1023 mol−1. The ratio N / V {\displaystyle {N}/{V}} is the number density C {\displaystyle C} . In thermodynamics, the use of molar concentration is often not
Molar_concentration
Measure of inequality of a statistical distribution
work On the measurement of concentration and variability of characters in 1914. Here, he presented the concentration ratio, which further developed into
Gini_coefficient
Framework to analyse level of competition within an industry
lower if they have few choices. Potential factors: Buyer concentration to firm concentration ratio Degree of dependency upon existing channels of distribution
Porter's_five_forces_analysis
Quantity with no physical dimension
in relativity. In chemistry, state properties and ratios such as mole fractions concentration ratios are dimensionless. Quantities having dimension 1,
Dimensionless_quantity
Market dominated by a small number of sellers
concentration ratio, which measures the percentage market share of the top four firms in the industry. The higher the four-firm concentration ratio is
Oligopoly
Measure of lipophilicity and hydrophilicity
does not distinguish between different species, only indicating the concentration ratio of the substance between the two phases.[citation needed] In 1899
Octanol-water partition coefficient
Octanol-water_partition_coefficient
Change in concentration when mixing two liquids
biology, the dilution ratio and dilution factor are two related (but slightly different) expressions of the change in concentration of a liquid substance
Dilution_ratio
Effect affecting the pulmonary alveolar gas concentration during anesthesia
anesthetics, the concentration effect is the increase in the rate that the Fa (alveolar concentration)/Fi (inspired concentration) ratio rises as the alveolar
Concentration_effect
Toxicology adage
digitalis, can be medicinal (digoxin) in small, controlled, doses. Dose concentration – Ratio of part of a mixture to the wholePages displaying short descriptions
The_dose_makes_the_poison
Blood concentration
Aldosterone-to-renin ratio (ARR) is the mass concentration of aldosterone divided by the plasma renin activity or by serum renin concentration in blood. The
Aldosterone-to-renin_ratio
Differentiation of firms by goods and operations
more information than the N-firm concentration ratio. In general, this index can also measure the market concentration of the top n companies, and the
Market_structure
markets by reference to multiple factors, such as low four-firm concentration ratios (typically below 40%), flexible pricing, low entry barriers, little
Competition_law_theory
Crystallographic defect; an atom missing from a lattice site
an equilibrium concentration (ratio of vacant lattice sites to those containing atoms). At the melting point of some metals the ratio can be approximately
Vacancy_defect
Physical law in electrochemistry
is determined by the ratio of the concentrations of that specific ion on the two sides of the membrane. The greater this ratio the greater the tendency
Nernst_equation
Measure of the strength of a brand, product, service or firm
to the industry as a whole. One commonly used concentration ratio is the four-firm concentration ratio, which consists of the combined market share of
Market_domination
Hypothesis about plant resource use competition in community ecology
The R* rule (also called the resource-ratio hypothesis) is a hypothesis in community ecology that attempts to predict which species will become dominant
R*_rule_(ecology)
Abundance of one component of a mixture relative to others
mole ratio (see concentration) or mass ratio (see stoichiometry). In atmospheric chemistry, mixing ratio usually refers to the mole ratio ri, which is defined
Mixing_ratio
Topics referred to by the same term
share of firms in a market (or industry) Concentration ratio, in economics, a measure of market concentration. Attentional control, the cognitive process
Concentration (disambiguation)
Concentration_(disambiguation)
Defunct telecommunications node in the United States; part of the Bell System
a unity concentration, but a TN could have more TSFs than JSFs. Thus their B links were usually multipled to make a Trunk Concentration Ratio (TCR) of
Number One Electronic Switching System
Number_One_Electronic_Switching_System
Topics referred to by the same term
Compression ratio, the ratio of the volume of a combustion chamber from its largest capacity to its smallest capacity Concentration ratio, in economics
CR
via the hundred line links. The number of lines, thus the line concentration ratio (LCR), was engineered for the expected occupancy. Each line switch
Number Five Crossbar Switching System
Number_Five_Crossbar_Switching_System
Oldest-surviving crustal material from the Hadean eon
find the absolute age and properties of zircon, for example the isotope ratios, mineral inclusions, and geochemistry of zircon. The characteristics of
Hadean_zircon
Biophysical technology for analyzing interactions
dictates the kinetics of depletion, ST determines the steady-state concentration ratio chot/ccold=exp(-ST ΔT) ≈ 1-ST ΔT under a temperature increase ΔT
Microscale_thermophoresis
Location in an object where stress is far greater than the surrounding region
be expressed as a non-dimensional stress concentration factor K t {\displaystyle K_{t}} , which is the ratio of the highest stress to the nominal far
Stress_concentration
Ratio of lengths of fingers
The digit ratio is the ratio taken of the lengths of different digits or fingers on a hand. The most commonly studied digit ratio is that of the 2nd (index
Digit_ratio
Pharmacokinetic metrics
ratio (PTR), also known as peak-to-trough variation or peak-to-trough fluctuation, is a parameter in pharmacokinetics which is defined as the ratio of
Peak-to-trough_ratio
Japanese geochemist (1920–2007)
than it absorbs. Presented in her 1955 paper ‘On the Equilibrium Concentration Ratio of Carbonic Acid Substances Dissolved in Natural Waters: A study
Katsuko_Saruhashi
Medication
cells, thereby causing a cascade of cell death. The minimum ihibitory concentration (MIC) of exatecan in vitro was shown to be equal to 0.31 μM. Exatecan
Datopotamab_deruxtecan
Method of analyzing electrochemical reactions
The Nernst equation relates electrochemical cell potential to the concentration ratio of the reduced and oxidized species in a logarithmic relationship
Voltammetry
Change in enthalpy during the mixture of substances
{\displaystyle \Delta H_{ij}} is then evaluated for a binary concentration ratio equal to the concentration ratio of species i to j in the ternary mixture ( x i /
Enthalpy_of_mixing
regional market, as a percentage of the total. Retail concentration is not simply a concentration ratio as is emerging in the food sector. This is due to
Retail_concentration
Part of the variable chains in immunoglobulins and T cell receptors
residues, especially Serine and Tyrosine, are found in CDRs at a high concentration ratio. These residues significantly contribute to the direct hydrogen bonds
Complementarity-determining region
Complementarity-determining_region
Medical laboratory value
In medicine, the urea-to-creatinine ratio (UCR), known in the United States as BUN-to-creatinine ratio, is the ratio of the blood levels of urea (BUN) (mmol/L)
Urea-to-creatinine_ratio
Mathematical function
{\displaystyle f} . Slepian's quadratic spectral concentration problem aims to maximize the concentration of spectral power to a target region L {\displaystyle
Slepian_function
Concept in marketing and retailing
firm, and patronage concentration will be less than 100%. The goal of many firms is to increase the patronage concentration ratio of its customers to
Patronage_concentration
Process in molecular biology
quantitation of nucleic acids is commonly performed to determine the average concentrations of DNA or RNA present in a mixture, as well as their purity. Reactions
Nucleic_acid_quantitation
Sufficient amount to kill
(abbreviation for "lethal dose, 50%"), LC50 (lethal concentration, 50%) or LCt50 (lethal concentration and time) of a toxin, radiation, or pathogen is the
Lethal_dose
Device for measuring oxygen concentration
oxygen ratio is not linear, and an optode is most sensitive at low oxygen concentration. That is, the sensitivity decreases as oxygen concentration increases
Oxygen_sensor
Topics referred to by the same term
region, in epigenetics Low copy repeats, in molecular genetics Line Concentration Ratio; see Number Five Crossbar Switching System Low Chip Rate, one of
LCR
Fraction of one substance's mass to the mass of the total mixture
components. The mass fraction of a component in a solution is the ratio of the mass concentration of that component ρi (density of that component in the mixture)
Mass_fraction_(chemistry)
Resistance of a fluid to shear deformation
of pure fluids, where the viscosity depends continuously on the concentration ratios of the constituent fluids For the simplest fluids, such as dilute
Viscosity
Chemical compound
protein binding of the drug is over 99%. The average blood-to-plasma concentration ratio was 0.636. The unbound fraction of lobeglitazone in microsomal incubation
Lobeglitazone
Mass ratio of air to a fuel
Air–fuel ratio (AFR) is the mass ratio of air to a solid, liquid, or gaseous fuel present in a combustion process. The combustion may take place in a
Air–fuel_ratio
Gas law regarding proportionality of dissolved gas
dimensionless ratio between the aqueous-phase concentration c a {\displaystyle c_{\text{a}}} of a species and its gas-phase concentration c g {\displaystyle
Henry's_law
Measure of material deformation perpendicular to loading
In materials science and solid mechanics, Poisson's ratio (symbol: ν (nu)) is a measure of the Poisson effect, the deformation (expansion or contraction)
Poisson's_ratio
Property of magnitude or multitude
in relativity. In chemistry, state properties and ratios such as mole fractions concentration ratios are dimensionless. Physical quantity Quantification
Quantity
Measure in renal physiology
Measured in concentration in blood plasma, it may thus be expressed as: E x t r a c t i o n r a t i o = P a − P v P a {\displaystyle Extraction\ ratio={\frac
Extraction_ratio
Rare genetic disorder
to creatinine (breakdown product of creatine phosphate in muscle) concentration ratio in urine is elevated. This is a good indicator of acid overproduction
Lesch–Nyhan_syndrome
Antiarrythmic drug
particularly in those with renal impairment. The average serum concentration ratio of acecainide to procainamide is 0.8 to 1.2, depending on a genetically
Acecainide
Electrochemical principle that enables cellular respiration
{H_{2}O} } is also called phosphorylation potential. The equilibrium concentration ratio [ H + ] / [ A T P ] {\displaystyle [\mathrm {H} ^{+}]/[\mathrm {ATP}
Chemiosmosis
Statistic in pharmacokinetics
brain-to-blood ratio, or brain–blood ratio, is a statistic in pharmacokinetics defined as the ratio of a drug's brain concentrations relative to its
Brain-to-blood_ratio
Risk that a borrower or counterparty fails to meet financial obligations
probability of sovereign debt rescheduling are: Debt service ratio Import ratio Investment ratio Variance of export revenue Domestic money supply growth GDP
Credit_risk
Maximum angle at which incoming sunlight can be captured by a solar concentrator
is in direct optical contact with the receiver), this theoretical concentration ratio can be increased by the square of that refractive index: C m a x
Acceptance angle (solar concentrator)
Acceptance_angle_(solar_concentrator)
Proportion of a constituent in a mixture
molecules Ntot. Whereas mole fraction is a ratio of amounts to amounts (in units of moles per moles), molar concentration is a quotient of amount to volume (in
Mole_fraction
Comprehensive Income Policy Agreement – Computational economics – Concentration ratio – Consumer – Consumer price index – Consumer sovereignty – Consumer
Index_of_economics_articles
Topics referred to by the same term
Common Random Numbers, a statistical procedure Concentration ratio, a measure of market concentration in economics Cross-polytope of n-dimensions, in
CRN
In chemistry, a sample's oxygen–argon ratio (or oxygen/argon ratio) is a comparison between the concentrations of oxygen (O2) and the noble gas argon (Ar)
Oxygen–argon_ratio
Ratio used in biochemistry
The AST/ALT ratio or De Ritis ratio is the ratio between the concentrations of two enzymes, aspartate transaminase (AST) and alanine transaminase, a.k
AST/ALT_ratio
Method to estimate ion activity coefficients in solution
defined in chemical thermodynamics as the ratio of activities but is usually measured using concentrations. The protonation of a monobasic acid will be
Specific ion interaction theory
Specific_ion_interaction_theory
Chemical term for density of a component in a mixture
behavior can occur with high solute concentrations. In solutions, mass concentration is commonly encountered as the ratio of mass/[volume solution], or m/v
Mass concentration (chemistry)
Mass_concentration_(chemistry)
higher degree of competitive rivalry than suggested by industry concentration ratios. He attributed this to the existence of subgroups within the industry
Strategic_group
In probability, a theory
In probability theory, the Mills ratio (or Mills's ratio) of a continuous random variable X {\displaystyle X} is the function m ( x ) := F ¯ ( x ) f (
Mills_ratio
to the ratio of its molar concentration in the stationary phase to its molar concentration in the mobile phase, also approximating the ratio of the solubility
Distribution_constant
determine the blood concentration of the studied drug. There are various competing calculation methods for the drug accumulation ratio, yielding somewhat
Drug_accumulation_ratio
reduction and an increase in VOC concentration. The ratio of adsorber size to desorber size is called the concentration ratio, and ranges from 10:1 to 100:1
Fluidized_bed_concentrator
Medical condition
the Dominican Republic study, in whom high serum concentration ratios of T to DHT and low concentrations of urinary 5a-reduced androgens were observed.
5α-Reductase_2_deficiency
Use of mirror or lens assemblies to generate current from multi-junction solar cells
Concentrator photovoltaics (CPV), also called concentrating photovoltaics or concentration photovoltaics, is a photovoltaic technology that generates electricity
Concentrator_photovoltaics
Standard apparent reduction potentials (E°') in biochemistry at pH 7
of the oxidized form (the oxidant, aox). It is equal to the ratio of their concentrations (Ci) only if the system is sufficiently diluted and the activity
Table of standard reduction potentials for half-reactions important in biochemistry
Table_of_standard_reduction_potentials_for_half-reactions_important_in_biochemistry
Use of mirrors or lenses to heat a fluid for electricity generation
to obtain the optimum process temperature according to the solar concentration ratio C {\displaystyle C} (red curve on the figure below) Theoretical efficiencies
Concentrated_solar_power
Topics referred to by the same term
Ethernet and 40 Gigabit Ethernet CR4, four-firm concentration ratio, a measure of market concentration in economics CR4, a postcode district in the CR
CR4
Chemical compound
amenorrhea, premature menopause, reduced testes weight, and decreased sperm concentration and motility; some of these effects may be irreversible. There is a
Nirogacestat
Device used to produce electricity from light
solar cell achieved a new laboratory record efficiency of 46.1% (concentration ratio of sunlight = 312) in a French-German collaboration between the Fraunhofer
Solar_cell
also been accessed through varying the ratio of polymer capping agent concentration to precursor concentration. Reductive colloidal syntheses as such
Platinum_nanoparticle
Italian administrative authority
competition (Anti-competitive practices). Vigilance on takeovers to check concentration ratio and verify market impact. Consumer protection, against unfair trade
Italian_Competition_Authority
Hot semifluid material found beneath the surface of Earth
the degree of dynamic partial melting and source composition using concentration ratios in magmas". Geochimica et Cosmochimica Acta. 60 (4): 711–717. Bibcode:1996GeCoA
Magma
Irrigation water quality parameter
The sodium adsorption ratio (SAR) is an irrigation water quality parameter used in the management of sodium-affected soils. It is an indicator of the
Sodium_adsorption_ratio
Ratio of animal feed to desired product
In animal husbandry, feed conversion ratio (FCR) or feed conversion rate is a ratio or rate measuring of the efficiency with which the bodies of livestock
Feed_conversion_ratio
Level of water-borne toxins in an organism
factor can also be expressed as the ratio of the concentration of a chemical in an organism to the concentration of the chemical in the surrounding environment
Bioconcentration
Chemical analysis of a hair sample
(2004). "Wipe-test and patch-test for alcohol misuse based on the concentration ratio of fatty acid ethyl esters and squalen CFAEE/CSQ in skin surface
Hair_analysis
Extinct genus of marine lizard from the Late Cretaceous
study by T. Lynn Harrell Jr. and Alberto Perez-Huerta examined the concentration ratios of neodymium, gadolinium, and ytterbium in M. hoffmannii and Mosasaurus
Mosasaurus
Pharmacological measurement
mathematically, bioavailability equals the ratio of comparing the area under the plasma drug concentration curve versus time (AUC) for the extravascular
Bioavailability
Nonsurgical treatment for locally invasive malignant tumors
based on the measured boron concentration in the blood at the time of BNCT, assuming a blood:scalp boron concentration ratio of 1.5:1 and a compound biological
Neutron capture therapy of cancer
Neutron_capture_therapy_of_cancer
interaction with a catalyst. A mixture of water and methanol with a molar concentration ratio (water:methanol) of 1.0 - 1.5 is pressurized to approximately 20
Methanol_reformer
Scientific measure related to flavors
It is calculated as the ratio between the concentration of individual substance in a sample and the threshold concentration of this substance (odour
Odour_activity_value
Iron oxide particles with diameters between about 1 and 100 nanometers
(perchlorates, chlorides, sulfates, and nitrates), or the Fe(II)/Fe(III) concentration ratio. A microemulsion is a stable isotropic dispersion of 2 immiscible
Iron_oxide_nanoparticle
Type of market structure
Large companies are given more weight in the index (unlike the N-concentration ratio). The value of the index ranges from 1/N to 1 (where N is the number
Imperfect_competition
Chemical compound
training on the saliva concentrations of cortisol, dehydroepiandrosterone and on the dehydroepiandrosterone: cortisol concentration ratio in women over 16 weeks
Dehydroepiandrosterone
Metric of alcohol concentration in blood
alcohol content (BAC), also known as blood alcohol concentration or blood alcohol level, is the concentration of alcohol in a person's blood, measured for legal
Blood_alcohol_content
Branch of pharmacology
that places great emphasis on the relationship between drug plasma concentration and the time elapsed since the drug's administration. Pharmacokinetics
Pharmacokinetics
Medical condition
characteristic curve analysis favors albumin-to-creatinine ratio over albumin concentration". Diabetes Care. 22 (2): 307–13. doi:10.2337/diacare.22.2.307
Microalbuminuria
Variable
\over {A}}} The air-to-cloth ratio is typically between 1.5 and 3.5 metres per minute, mainly depending on the concentration of dust loading. Details on
Air-to-cloth_ratio
CONCENTRATION RATIO
CONCENTRATION RATIO
Boy/Male
Hindu
Concentration, Ecstasy
Boy/Male
Hindu
Concentration, Ecstasy
Boy/Male
Indian
Concentration
Boy/Male
Tamil
Thanmayee | தாநà¯à®®à®¾à®¯à¯€
Concentration, Ecstasy
Thanmayee | தாநà¯à®®à®¾à®¯à¯€
Girl/Female
Tamil
Concentration, Ecstasy
Boy/Male
Hindu, Indian, Sanskrit
Concentration; Meditation
Boy/Male
Hindu, Indian, Kannada
Concentration
Girl/Female
Gujarati, Hindu, Indian, Kannada, Kashmiri, Malayalam, Modern, Traditional
Faith; Concentration
Boy/Male
Muslim
Imagination, Concentration
Boy/Male
Hindu, Indian
Concentration
Boy/Male
Hindu, Indian, Punjabi
Concentration
Girl/Female
Indian
Teaching, Concentration
Girl/Female
Hindu
Concentration, Ecstasy
Boy/Male
Hindu, Indian
Concentration
Girl/Female
Gujarati, Indian, Telugu
Trust; Concentration
Girl/Female
Indian, Telugu
Good Concentration
Boy/Male
Tamil
Concentration, Ecstasy
Girl/Female
Tamil
Dheeksha | திகà¯à®·à®¾Â
Teaching, Concentration
Dheeksha | திகà¯à®·à®¾Â
Girl/Female
Hindu, Indian, Sanskrit
Concentration
Boy/Male
Tamil
Concentration
CONCENTRATION RATIO
CONCENTRATION RATIO
Boy/Male
British, English, German
Wagon Maker; Wagon-builder
Female
Russian
(ÐаÑтаÑÑŒÑ) Short form of Russian Anastasiya, NASTASYA means "resurrection."
Biblical
bitter contrition
Boy/Male
Indian, Punjabi, Sikh
Embodiment of All
Boy/Male
Gujarati, Hindu, Indian, Kannada, Malayalam, Marathi, Sanskrit, Telugu
Friend of City
Boy/Male
Arabic, Muslim
A Master; A Lord; An Owner; A Successor; An Heir; The Supreme Inheritor
Boy/Male
Hindu
Lord Vishnu, God
Male
Hebrew
(×ֲדַד) Hebrew name ADAD means "I shall move softly: I shall love." In the bible, this is the name of an Edomite enemy God raised up to punish Solomon for his sins. Compare with another form of Adad.
Boy/Male
Tamil
Girdle, Belt
Boy/Male
British, English, French
From Me
CONCENTRATION RATIO
CONCENTRATION RATIO
CONCENTRATION RATIO
CONCENTRATION RATIO
CONCENTRATION RATIO
v. t.
To bring to a certain strength or grade of concentration; as, to gradate a saline solution.
a.
Serving or tending to concentrate; characterized by concentration.
n.
The act or process of reducing the volume of a liquid, as by evaporation.
n.
The act or practice of collecting or concentrating the mind; concentration; self-control.
n.
A machine for concentrating ore. See Frue vanner.
n.
Strife; contention.
n.
An apparatus for the separation of dry comminuted ore, by exposing it to intermittent puffs of air.
n.
A giddy or thoughtless person; one incapable of concentration or attention.
n.
Concentration of one's interests on one's self; self-love; selfishness.
n.
The act or process of concentrating; the process of becoming concentrated, or the state of being concentrated; concentration.
n.
The act or process of removing the dress of ore and of reducing the valuable part to smaller compass, as by currents of air or water.
n.
Content; satisfaction.
n.
The quality of concentrating.
v. t.
To withdraw from concentration; to decentralize.
a.
Assembling; collecting; used for gathering or concentrating.
n.
Act of deconcentrating.
p. pr. & vb. n.
of Concentrate
n.
A central point; a point of concentration.
n.
The faculty or propensity which has to do with concentrating the intellectual the intellectual powers.
n.
A conjunction or concentration of rays in one point.