What's the difference between coefficient and constant?

Coefficient


Definition:

  • (a.) Cooperating; acting together to produce an effect.
  • (n.) That which unites in action with something else to produce the same effect.
  • (n.) A number or letter put before a letter or quantity, known or unknown, to show how many times the latter is to be taken; as, 6x; bx; here 6 and b are coefficients of x.
  • (n.) A number, commonly used in computation as a factor, expressing the amount of some change or effect under certain fixed conditions as to temperature, length, volume, etc.; as, the coefficient of expansion; the coefficient of friction.

Example Sentences:

  • (1) Correction for within-person variation in urinary excretion increased this partial correlation coefficient between intake and excretion to 0.59 (95% CI = 0.03 to 0.87).
  • (2) The coefficient of variation in the integrated area of a single peak is 16%.
  • (3) The diseases of airways had the highest contribution to the coefficient of morbidity.
  • (4) The overall result of this system has been to decrease the coefficients of variation to below 5% for all the milk and serum proteins tested.
  • (5) (2) A close correlation between the obesity index and serum GPT was recognized by elevation of the standard partial regression coefficient of serum GPT to obesity index and that of obesity index to serum GPT when the data from all 617 students was analysed in one group.
  • (6) The variation in age-specific rates with age was similar for all cancers, as demonstrated by large positive correlation coefficients between age-incidence patterns averaged over all populations.
  • (7) 27% of the neurons revealed high sensitivity to the temperature stimulus with coefficient Q10 from 2.4 to 30; 6% of the neurons reacted by the on-response type; 5% of the neurons changed their activity and preserved the new level.
  • (8) The penetration coefficient, determined by the surface tension, contact angle and viscosity, is a measure of the ability of a liquid to penetrate into a capillary space, such as interproximal regions, gingival pockets and pores.
  • (9) The inhibition by DCMU of palmitoylcarnitine oxidation by isolated liver mitochondria was used to calculate a flux control coefficient of the respiratory chain towards gluconeogenesis.
  • (10) Moderately differentiated tumor revealed a wider range of nucleus size, less clustering (coefficient--3.59) and more hyperchromatic (70.1%) and "bare" (49.4%) nuclei and large nucleoli (22.2%).
  • (11) The shading of the optoelectronic system had a coefficient of variation (CV) of 1.42% for measurements in the center of the displayed area, but a CV of 3.55% for measurements over the whole monitor area.
  • (12) Regressional analysis of relations between loads and the level of inbreeding in the Adyg population showed the explicit interrelation between the load of autosomal-dominant diseases and the Fst correlation coefficient being 0.89.
  • (13) A positive correlation was found between the content in the eluted cell fractions of LH and dynorphin-like immunoreactivity with a correlation coefficient and a slope of the regression line close to one.
  • (14) The frequency spectra of transmission coefficients for ultrasound passing through a sheet of gas-filled micropores have been measured using incident waves with amplitudes up to 2.4 x 10(4) Pa.
  • (15) Using the rate coefficient values found by SCoPfit, we simulated a voltage-clamp experiment with both models running under their Na(+)-Na+ exchange mode, and we computed the transient currents generated following voltage steps in both depolarizing and hyperpolarizing directions from a basic potential of -40 mV.
  • (16) This differential absorbance is linear with increasing concentrations of Na2MoO4 and was used to calculate the molar extinction coefficient of molybdochelin at 425 nm (epsilon similar to 6,200).
  • (17) A sedimentation coefficient of 5.6S was also determined.
  • (18) The physical parameters measured are the intensity attenuation and absorption coefficients, the ultrasonic speed, the thermal conductivity, specific-heat capacity and the mass density.
  • (19) Decreasing lipid chain length increased permeability slightly, while variations in pH had only minor effects on the permeability coefficients of the amino acids tested.
  • (20) The present investigation examines the assortative mating coefficients for scales of the Minnesota Multiphasic Personality Inventory (MMPI) from five separate studies.

Constant


Definition:

  • (v. t.) Firm; solid; fixed; immovable; -- opposed to fluid.
  • (v. t.) Not liable, or given, to change; permanent; regular; continuous; continually recurring; steadfast; faithful; not fickle.
  • (v. t.) Remaining unchanged or invariable, as a quantity, force, law, etc.
  • (v. t.) Consistent; logical.
  • (n.) That which is not subject to change; that which is invariable.
  • (n.) A quantity that does not change its value; -- used in countradistinction to variable.

Example Sentences:

  • (1) Between 25 and 40 degrees C, the thermal dependencies of VR and f were approximately constant (Q10's of 1.31 and 1.36 got VR and f, respectively).
  • (2) By 24 hr, rough endoplasmic reticulum in thecal cells increased from 4.2 to 7% of cell volume, while the amount in granulosa cells increased from less than 3.5% to more than 10%; the quantity remained relatively constant in the theca but declined to prestimulation values in the granulosa layer.
  • (3) The norepinephrine values remained constant on the three days.
  • (4) At the same time the duodenum can be isolated from the stomach and maintained under constant stimulus by a continual infusion at regulated pressure, volume and temperature into the distal cannula.
  • (5) Rise time and fall time constants have been quantified for describing kinetics of response.
  • (6) Standard nerve conduction techniques using constant measured distances were applied to evaluate the median, ulnar and radial nerves.
  • (7) The stopped-flow technique was used to measure the rate constants for the reactions between the oxidized forms of peroxidase with luminol and the following substrates: p-iodophenol, p-bromophenol, p-clorophenol, o-iodophenol, m-iodophenol, luciferin, and 2-iodo-6-hydroxybenzothiazole.
  • (8) The family comprises at least three variable (V) gene segments, three constant (C) gene segments, and three junction (J) gene segments.
  • (9) This value is about 30 times higher than the association constant for guanine-cytosine base pair formation under the same experimental conditions.
  • (10) There is a relationship between the duration of stimulation (t) and the total heat production (H) of the type H = A plus bt, where A and b are constants.
  • (11) Naloxone injection into those rats exposed to constant illumination significantly increased hypothalamic levels of beta-endorphin compared to saline injected controls.
  • (12) [5alpha-(3)H]5alpha-Androst-16-en-3-one (5alpha-androstenone) was infused at a constant rate for 180min into the spermatic artery of a sexually mature boar.
  • (13) The birds were maintained at a constant temperature in, dim green light.
  • (14) We previously established that the binding constant (Ka) of this receptor site for the chemically synthesized model AGE, 2-(2-furoyl)-4(5)-(2-furanyl)-1H- imidazole-butyric acid (FFI-BA), on cells of the mouse macrophagelike cell line RAW 264.7 is identical to that for AGE proteins.
  • (15) On the other hand, if we correct for the population of HMM with degraded light chain 2, the difference in the binding constants in the presence and absence of Ca2+ may be as great as 5-fold.
  • (16) The matter is now in the hands of the Guernsey police and the law officers.” One resident who is a constant target of the paper and has complained to police, Rosie Guille, said the allegations had a “huge impact on morale” on the island.
  • (17) Stability of kinetic constants for a long period of time is demonstrated.
  • (18) The association constants K'A, KN, and K'N in the scheme (see article), were determined for the magnesium salts of ADP, adenyl-5'-yl imidodiphosphate AMP-P(NH)P, and PPi.
  • (19) As total pancreatectomy markedly reduces the pancreatic hormone level, leading to a mortal hypoglycaemia, we attempted to maintain plasma glucose within the normal range by constant I.V.
  • (20) Utilizing a range of operative Michaelis-Menten parameters that characterize phenytoin elimination via a single capacity-limited pathway, a situation assuming instantaneous absorption (case I) is compared with the situation in which continuous constant-rate absorption occurs (case II).