The absorption rate constant Ka is a value used in pharmacokinetics to describe the rate at which a drug enters into the system. It is expressed in units...

Zero-order absorption: rate of absorption is constant. A common example is continuous intravenous infusion. First-order absorption: rate of absorption is proportional...

drug's rate of absorption or the rate at which it enters the bloodstream is slower than its elimination rate. That is, when the ka (absorption constant) is...

Karnataka, India Ka, an acid dissociation constant Ka band, a microwave band Ka, the absorption rate constant of a drug Ka, number of non-synonymous substitutions...

absorption are Direct material cost percentage rate Direct labour cost percentage rate Prime cost percentage rate Labour hour rate Machine hour rate In...

factor F = Bioavailability D = Dose ke = Elimination rate constant ka = Absorption rate constant Vd = Volume of distribution τ = Dosing interval Cmin...

the transition rate for two-photon absorption per unit volume, I {\displaystyle I} is the irradiance, ħ is the reduced Planck constant, ω {\displaystyle...

An absorption refrigerator is a refrigerator that uses a heat source to provide the energy needed to drive the cooling process. Solar energy, burning a...

range. Constant force test routines require the PAU to be set slightly torque deficient as referenced to prime mover output to allow some rate of acceleration...

characteristics such as its acid dissociation constant (pKa), bioavailability and solubility, absorption capacity and distribution in the organism. A variety...

order absorption is a very common assumption. In that case the gut equation is augmented with an input term, with an absorption rate constant Ka: d Q...

saturated absorption, the relaxation rate of excitations does not depend on the intensity. Then, for the continuous-wave (cw) operation, the absorption rate (or...

The absorption of electromagnetic radiation by water depends on the state of the water. The absorption in the gas phase occurs in three regions of the...

result its light absorption and transmission properties can be expressed in terms of the fine-structure constant alone. The absorption value for normal-incident...

neutron absorber or a nuclear poison) is a substance with a large neutron absorption cross-section. In such applications, absorbing neutrons is normally an...

the probability of absorption or emission of a photon by an atom or molecule. The Einstein A coefficients are related to the rate of spontaneous emission...

However, when a population inversion is present, the rate of stimulated emission exceeds that of absorption, and a net optical amplification can be achieved...

{\displaystyle A_{21}} is the rate of spontaneous emission. In the rate-equation A 21 {\displaystyle A_{21}} is a proportionality constant for this particular transition...

measurement of a decay rate rather than an absolute absorbance. This is one reason for the increased sensitivity over traditional absorption spectroscopy, as...

photons leave the cavity, for internal absorption or exiting the mirrors, expressed via the decay time constant τ p {\displaystyle {\tau _{p}}} and the...

significant number of identical atoms, the overall decay rate can be expressed as a decay constant or as a half-life. The half-lives of radioactive atoms...

proposed in some detail that absorption of light by his virtual material resonators might be continuous, occurring at a constant rate in equilibrium, as distinct...

probability of neutron absorption exceeds the probability of neutron escape (a function of the shape and mass of the uranium), the production rate of neutrons and...

adsorbate on the surface of the adsorbent. This process differs from absorption, in which a fluid (the absorbate) is dissolved by or permeates a liquid...

each species and wavelength, ε is a constant known as the molar absorptivity or extinction coefficient. This constant is a fundamental molecular property...

regulating sodium, potassium, and other electrolytes; clearing toxins; absorption of glucose, amino acids, and other small molecules; regulation of blood...

relatively slower adsorption of diluted solute. The adsorption or absorption rate of a dilute solute to a surface or interface in a (gas or liquid) solution...

degree of ionization, it is less polar. Therefore, it can have a faster absorption rate. The definition of the topical route of administration sometimes states...

the resonance remains essentially constant. But this does not imply constant neutron absorption. Despite the constant area under resonance a resonance...

the time constant of the longitudinal relaxation, T1. The time constant T2 is usually much smaller than T1, and the bandwidth of the absorption spectrum...