@prefix rds:   <http://rdl.rdlfacade.org/data#> .
@prefix p2:    <http://rds.posccaesar.org/2008/02/OWL/ISO-15926-2_2003#> .
@prefix std:   <http://data.posccaesar.org/std/> .
@prefix rprj:  <http://data.posccaesar.org/rprj/> .
@prefix owl:   <http://www.w3.org/2002/07/owl#> .
@prefix dmm:   <http://data.posccaesar.org/dm/metadata/> .
@prefix xsd:   <http://www.w3.org/2001/XMLSchema#> .
@prefix fn:    <http://www.w3.org/2005/xpath-functions#> .
@prefix afn:   <http://jena.hpl.hp.com/ARQ/function#> .
@prefix prj:   <http://data.posccaesar.org/prj/> .
@prefix chm:   <http://data.posccaesar.org/chm/> .
@prefix dm:    <http://data.posccaesar.org/dm/> .
@prefix skos:  <http://www.w3.org/2004/02/skos/core#> .
@prefix rdfs:  <http://www.w3.org/2000/01/rdf-schema#> .
@prefix stdprf: <http://data.posccaesar.org/std/> .
@prefix ptrn:  <http://data.posccaesar.org/ptrn/> .
@prefix rdf:   <http://www.w3.org/1999/02/22-rdf-syntax-ns#> .
@prefix rdl:   <http://data.posccaesar.org/rdl/> .
@prefix dc:    <http://purl.org/dc/elements/1.1/> .

rdl:RDS392399  rdl:hasDefinition  "Sum of the kinetic energy of the alpha particle produced in the disintegration process and the recoil energy of the product atom in the reference fame in which the emitting nucleus is at rest before its disintegration." .

rdl:RDS388079  rdl:hasDefinition  "Ratio of the mass of B to the mass of the mixture" .

rdl:RDS385649  rdl:hasDefinition  "The maximum value of  K(lambda)" .

rdl:RDS394064  rdl:hasDefinition  "Number density of neutrons slowing down past a given energy value in a small time interval, divided by that interval" .

rdl:RDS387314  rdl:hasDefinition  "In a diffuse sound field, that area of a surface having an absorption factor equal to 1, which, if diffraction effects are neglected, would, in the same diffuse sound field, absorb the same power" .

rdl:RDS382139  rdl:hasDefinition  "a = lambda/( rho.cp)  where lambda is the thermal conductivity, rho the volumic mass and cp the mass heat capacity at constant pressure" .

rdl:RDS398249  rdl:hasDefinition  "Number density of acceptor levels" .

rdl:RDS395819  rdl:hasDefinition  "Fraction of atoms in an lsing ferromagnet having their magnetic moments directed in one direction, minus the fraction with magnetic moments in the opposition direction" .

rdl:RDS387989  rdl:hasDefinition  "Numbers of molecules of b divided by the volume of the mixture" .

rdl:RDS392309  rdl:hasDefinition  "Probability of decay in a small time interval, divided by that interval.  dN/dt = -lambda.N  where N is the number of radioactive atoms at time t, and lambda 0 1/tau" .

rdl:RDS393974  rdl:hasDefinition  "Jx = - Dphi.deltaphi/deltax  where Jx is the x-component of the neutron current density and phpi is the neutron fluence rate" .

rdl:RDS389654  rdl:hasDefinition  "CB  [vB] = - D grad CB  where CB is the local molecular concentration of B in the mixture and [vB] is the local average velocity of molecules of B" .

rdl:RDS384479  rdl:hasDefinition  "Q2 = S2 -P2" .

rdl:RDS363149  rdl:hasDefinition  "Stress due to shear." .

rdl:RDS352889  rdl:hasDefinition  "At a point on a surface, the luminous flux incident on an element of the surface, divided by the area of that element" .

rdl:RDS390464  rdl:hasDefinition  "Rest mass of a neutral atom in the ground state" .

rdl:RDS386144  rdl:hasDefinition  "The part of the linear attenuation coefficient that is due to absorption" .

rdl:RDS383714  rdl:hasDefinition  "Electromagnetic field energy divided by volume w = (1/2).(E.D+B.H)" .

rdl:RDS354554  rdl:hasDefinition  "The imaginary part of impedance. Reactance are characterised by the storage of energy rather than by its dissipation, as in resistance." .

rdl:RDS394649  rdl:hasDefinition  "In an infinite medium, the ratio of the number of thermal neutrons absorbed in a fissionable nuclide or in a nuclear fuel, as specified, to the total number of thermal neutrons absorbed" .

rdl:RDS372374  rdl:hasDefinition  "An electrical potential or potential difference expressed in volts." .

rdl:RDS391139  rdl:hasDefinition  "omega L = e/(2.me).B" .

rdl:RDS351044  rdl:hasDefinition  "Integral of electric charge over time" .

rdl:RDS396314  rdl:hasDefinition  "gamma = alpha/(kappa.c.rho)  where alpha is the cubic expansion coefficient, kappa is the isothermal compressibility, c is the mass heat capacity at constant volume and rho is the volumetric mass" .

rdl:RDS388484  rdl:hasDefinition  "For a gaseous mixture, p~B is proportional to the absolute activity lambdaB, the proportionality factor, which is a function of temperature only, being determined by the condition that at constant temperature and composition p~B/pB tends to 1 an infinitely dilute gas" .

rdl:RDS356894  rdl:hasDefinition  "The weight of a body in a specific reference system is the force which, when applied to the body, would give it an acceleration equal to free fall in that reference system" .

rdl:RDS396989  rdl:hasDefinition  "In a metal, the highest energy of occupied states at zero thermodynamic temperature" .

rdl:RDS382544  rdl:hasDefinition  "G = U + pV + TS  where U is the thermodynamic energy, p is the pressure, V is the volume,T is the temperature and S is the entropy" .

rdl:RDS398654  rdl:hasDefinition  "Fo = lambda.t/(cp.rho.l^2) = a:t/l^2    where lambda is the thermal conductivity,   t a characteristic time interval,   cp the mass heat capacity at constant pressure  rho the volumetric mass,   l a characteristic length and   a the thermal diffusivity" .

rdl:RDS393479  rdl:hasDefinition  "Total linear stopping power divided by the volumetric mass of the substance  Sm = S/rho" .

rdl:RDS386729  rdl:hasDefinition  "Power emitted, transferred or received as sound waves" .

rdl:RDS395144  rdl:hasDefinition  "D = dD/dt" .

rdl:RDS392714  rdl:hasDefinition  "The sum of all cross-sections corresponding to the various reactions or processes between an incident particle of specified type and energy and target and target particle" .

rdl:RDS384884  rdl:hasDefinition  "At a point on a surface, the radiant energy flux leaving the element of the surface, divided by the area of that element" .

rdl:RDS383219  rdl:hasDefinition  "Electric current in a conducting sheet divided by the width of the sheet" .

rdl:RDS399329  rdl:hasDefinition  "Ha = B.l.(sigma/(rho.nu))^(1/2)  where B is the magnetic flux density,  l a characteristic length,  sigma the electrical conductivity,   rho volumetric mass and  nu kinematic viscosity" .

rdl:RDS356804  rdl:hasDefinition  "sigma = 1/lambda  where lambda is the wavelength" .

rdl:RDS381374  rdl:hasDefinition  "If the quantity is a function of time given by F(t) = A.e^- (delta.t).cos[omega.(t - t0)] then delta is the damping coefficient" .

rdl:RDS397484  rdl:hasDefinition  "Time constant for exponential decay towards equilibrium" .

rdl:RDS385559  rdl:hasDefinition  "Time integral of luminous flux" .

rdl:RDS356399  rdl:hasDefinition  "Kinematic Viscosity. nu = eta/rho  where eta is the dynamic viscosity and rho is the volumetric mass" .

rdl:RDS387224  rdl:hasDefinition  "Ratio of the dissipated and transmitted sound power to the incident sound power" .

rdl:RDS382049  rdl:hasDefinition  "Temperature difference divided by areic heat flow rate   M = 1/K" .

rdl:RDS387899  rdl:hasDefinition  "Entropy divided by amount of substance" .

rdl:RDS366569  rdl:hasDefinition  "E = rho.J  Electrical resistance of a material multiplied by the ratio of cross sectional area to current path length." .

rdl:RDS389564  rdl:hasDefinition  "k = R/N" .

rdl:RDS392219  rdl:hasDefinition  "Activity divided by the total mass of the sample" .

rdl:RDS384389  rdl:hasDefinition  "P = 1/T integral[T,0](u.i.dt)" .

rdl:RDS381959  rdl:hasDefinition  "Areic heat flow rate divided by temperature difference" .

rdl:RDS352799  rdl:hasDefinition  "At a point on a surface and in a given direction, the luminous intensity of an element of the surface, divided by the area of the orthogonal projection of this element on a plane perpendicular to the given direction" .

rdl:RDS356309  rdl:hasDefinition  "v = ds/dt where s is the displacement and t is the time" .

rdl:RDS390374  rdl:hasDefinition  "Number of neurons in an atomic nucleus" .

rdl:RDS386054  rdl:hasDefinition  "D (lambda) = - lg [ tau (lambda) ]  where tau (lambda) is the spectral radiance factor" .

rdl:RDS383624  rdl:hasDefinition  "mu r = mu/mu0" .

rdl:RDS394559  rdl:hasDefinition  "Average number of fission neutrons, both prompt and delayed, emitted per neutron absorbed in a fissionable nuclide or in a nuclear fuel, as specified" .

rdl:RDS387809  rdl:hasDefinition  "Thermodynamic energy divided by amount of substance" .

rdl:RDS396224  rdl:hasDefinition  "k.THETA,D = h.omega,D/(2.pi)  where k is the Boltzmann constant and h is the Planck constant" .

rdl:RDS388394  rdl:hasDefinition  "lambda = exp(muB/RT)  where muB is the chemical potential of B, R is the molar gas constant and T the thermodynamic temperature" .

rdl:RDS391049  rdl:hasDefinition  "gamma = -g.e/(2.me)  where gamma is the gyro magnetic coefficient and me the mass of electron" .

rdl:RDS380789  rdl:hasDefinition  "Mass of matter which crosses a given surface divided by time." .

rdl:RDS355139  rdl:hasDefinition  "A pressure which is the difference between the instantaneous total pressure and the static pressure." .

rdl:RDS396899  rdl:hasDefinition  "Energy difference between an electron at rest at infinity and an electron at the lowest level of the conduction band in an insulator or semiconductor" .

rdl:RDS352709  rdl:hasDefinition  "H = integral (E dt) where E is the illuminance" .

rdl:RDS382454  rdl:hasDefinition  "For a closed thermodynamic system  DELTA .U = Q+W  where Q is the heat transferred to the system and W is the work done on the system" .

rdl:RDS353294  rdl:hasDefinition  "M = (B/mu0) - H" .

rdl:RDS398564  rdl:hasDefinition  "Kn = lambda/l  where lambda is the mean free path and   l a characteristic length" .

rdl:RDS393389  rdl:hasDefinition  "Thickness of the attenuating layer that reduces the current density of a unidirectional beam to one-half of its initial value" .

rdl:RDS389069  rdl:hasDefinition  "dnB = nuB.dzeta  where nB is the amount of substance B and nuB is the stochiometric number of B" .

rdl:RDS386639  rdl:hasDefinition  "c = omega/k = lambda.f" .

rdl:RDS395054  rdl:hasDefinition  "For any ionising radiation, the energy imparted to tan element of irradiated matter divided by the mass of this element" .

rdl:RDS392624  rdl:hasDefinition  "Kinetic energy of an incident particle, in the reference frame of the target, corresponding to a resonance in a nuclear reaction" .

rdl:RDS388304  rdl:hasDefinition  "Amount of substance of solute B in a solution divided by the mass of the solvent" .

rdl:RDS383129  rdl:hasDefinition  "chi = epsilon r - 1" .

rdl:RDS399239  rdl:hasDefinition  "Rm = v.l.mu.sigma  where v is a characteristic speed,  l a characteristic length,  mu tha magnetic permeability and  sigma the electrical conductivity" .

rdl:RDS372869  rdl:hasDefinition  "Transport of energy caused by a temperature gradient" .

rdl:RDS381284  rdl:hasDefinition  "Lp = ln (P/Po) where P and Po represent two powers, Po being a reference power" .

rdl:RDS396809  rdl:hasDefinition  "Thomson heat power developed divided by the electric current and temperature difference" .

rdl:RDS388979  rdl:hasDefinition  "Numbers or simple fractions occurring in the expression for a chemical reaction : 0 = sum(nuB.B), where the symbol B indicates the molecules, atoms or ions involved in the reaction" .

rdl:RDS353204  rdl:hasDefinition  "On a given path, the magnetic potential difference between point 1 and point 2 is the line integral from 1 to 2 of the magnetic field strength along that path" .

rdl:RDS394964  rdl:hasDefinition  "The energy imparted by ionising radiation to the matter in a given volume is the difference between the sum of the energies of all the directly ionising (charged) and indirectly ionising (uncharged) particles which have entered the volume and the sum of the energies of all those which have left it, minus the energy equivalent of any increase in the rest mass that has taken place in nuclear or elementary particle reactions within the volume" .

rdl:RDS385469  rdl:hasDefinition  "At a point on a surface, the photon flux incident on an element of the surface, divided by the area of that element" .

rdl:RDS387134  rdl:hasDefinition  "Ratio of the reflected sound power to the incident sound power" .

rdl:RDS362294  rdl:hasDefinition  "A pressure that would exist in the absence of sound waves." .

rdl:RDS384704  rdl:hasDefinition  "Power emitted, transferred or received as radiation" .

rdl:RDS398069  rdl:hasDefinition  "PHI0 = h/(2.e)" .

rdl:RDS395639  rdl:hasDefinition  "Distance between successive lattice planes" .

rdl:RDS4316455243  rdl:hasDefinition  "Average number of spontaneous nuclear transitions from a particular energy state occurring in an amount of a radio nuclide in a small time interval, divided by that interval" .

rdl:RDS366479  rdl:hasDefinition  "Lateral contraction divided by the elongation" .

rdl:RDS393794  rdl:hasDefinition  "Coefficient in the law of recombination  -dn+/dt = -dn-/dt = alpha.n+.n-" .

rdl:RDS389474  rdl:hasDefinition  "Multiplicity (degeneracy) of quantum energy level" .

rdl:RDS397304  rdl:hasDefinition  "n.p = ni^2  where n is the neutron number density and p the hole number density" .

rdl:RDS392129  rdl:hasDefinition  "GAMMA = h/(2.pi.tau)" .

rdl:RDS384299  rdl:hasDefinition  "d= 1/Q   where Q is the quality factor" .

rdl:RDS381869  rdl:hasDefinition  "Rate at which heat crosses a given surface" .

rdl:RDS390284  rdl:hasDefinition  "alpha = alpha.A/n where n is the amount of substance of the optically active component in the path of a linearly polarized light beam of a cross-sectional area A" .

rdl:RDS397979  rdl:hasDefinition  "If an applied magnetic field is parallel to the plane surface of a semi-infinite superconductor, the field penetrates the superconductor according to the expression  B(x) = B(0).exp(-x/lambda)  where x is the distance from the surface and lambda is the London penetration depth" .

rdl:RDS383534  rdl:hasDefinition  "sigma = 1 - k2  where k is the coupling factor" .

rdl:RDS354374  rdl:hasDefinition  "At a point on a surface and in a given direction, the radiant intensity of an element of the surface, divided by the area of the orthogonal projection of this element on a plane perpendicular to the given direction" .

rdl:RDS394469  rdl:hasDefinition  "Square root of the migration area." .

rdl:RDS387719  rdl:hasDefinition  "Mass divided by amount of substance M = m/n" .

rdl:RDS396134  rdl:hasDefinition  "Angular repetency of electrons in states on the Fermi sphere" .

rdl:RDS393704  rdl:hasDefinition  "Initial kinetic energy of an ionizing charged particle, divided by the total ionisation produced by that particle" .

rdl:RDS384209  rdl:hasDefinition  "Real part of impedance" .

rdl:RDS380699  rdl:hasDefinition  "Ep = - integral (F.dr) where F is a conservative force" .

rdl:RDS398474  rdl:hasDefinition  "Gr = l^3.g.alpha.deltaT/nu^2 where l is a characteristic length, g the acceleration of free fall, alpha the cubic expansion coefficient, deltaT a characteristic temperature difference and nu the kinematic viscosity" .

rdl:RDS393299  rdl:hasDefinition  "mu,a = mu/n  where n is the number density of the atoms in  the substance" .

rdl:RDS390869  rdl:hasDefinition  "Expectation value of the component of the electromagnetic moment in the direction of the magnetic field in the quantum state with maximum magnetic quantum number" .

rdl:RDS386549  rdl:hasDefinition  "u = (delta zeta)/(delta t)  where zeta is the sound particle displacement" .

rdl:RDS354959  rdl:hasDefinition  "For a thin conducting loop, the magnetic flux through the loop, caused by an electric current in the loop, divided by that current" .

rdl:RDS392534  rdl:hasDefinition  "Ratio of the number of internal conversion electrons to the number of gamma quanta emitted by the atom in a given transmission" .

rdl:RDS383039  rdl:hasDefinition  "Charge divided by surface area" .

rdl:RDS349739  rdl:hasDefinition  "Y = 1/Z" .

rdl:RDS380609  rdl:hasDefinition  "Maximum ratio of frictional force to normal force, for a body at rest" .

rdl:RDS399149  rdl:hasDefinition  "Sc = eta/(rho.D) = nu/D where eta is the dynamic viscosity,  rho the volumic mass,  D diffusion coefficient and nu the kinematic viscosity" .

rdl:RDS396719  rdl:hasDefinition  "Peltier heat power developed at a junction, divided by the electric current flowing from substance a to substance b" .

rdl:RDS381194  rdl:hasDefinition  "cg = d(omega)/dk  where omega is the angular frequency and k is the angular repetency" .

rdl:RDS388889  rdl:hasDefinition  "For the solvent A in a solution,  lambda^thetaA = lambda*A(p^theta)" .

rdl:RDS353114  rdl:hasDefinition  "Vector quantity such that the force exerted on an element of electric current is equal to the vector product of this element and the magnetic flux density" .

rdl:RDS394874  rdl:hasDefinition  "rho = (k,eff - 1)/k,eff  where k,eff is the effective multiplication factor" .

rdl:RDS393209  rdl:hasDefinition  "The linear attenuation coefficient divided by the volumetric mass of the substance mu, m = mu/rho" .

rdl:RDS385379  rdl:hasDefinition  "At a point on a surface and in a given direction, the photon intensity of an element of the surface, divided by tha area of the orthogonal projection of this element on a plane perpendicular to the given direction" .

rdl:RDS382949  rdl:hasDefinition  "epsilon0 = 1/( mu0.c02) = 8,854 188.10^-12" .

rdl:RDS384614  rdl:hasDefinition  "Radiant energy in an element of volume; divided by that volume" .

rdl:RDS375119  rdl:hasDefinition  "Rate of change of angle with time" .

rdl:RDS392039  rdl:hasDefinition  "b = Br/A" .

rdl:RDS397214  rdl:hasDefinition  "Number density of electrons in conduction band" .

rdl:RDS389384  rdl:hasDefinition  "XI = sum(Z(NA,NB,...).lambdaA.lambdaB. ...)  where Z(...) is the canonical partition function for given numbers of particles A, B,..., and lambdaA, lambdaB,..., are the absolute activities of particles A, B,..." .

rdl:RDS14643786  rdl:hasDefinition  "In an infinity medium, the probabilitythat a neutron slowing down will travers all or some specified portion of the range of resonance energies without being absorbed." .

rdl:RDS386954  rdl:hasDefinition  "Lp = ln (p/p0) = ln 10.lg (p/p0)  where p is the root-mean-square value of the sound pressure and the reference pressure p0 is equal to 20 muPa" .

rdl:RDS381779  rdl:hasDefinition  "beta = dp/dT  where p is the pressure and T is the temperature" .

rdl:RDS397889  rdl:hasDefinition  "For type II superconductors, the threshold magnetic flux density for disappearance of bulk superconductivity" .

rdl:RDS390194  rdl:hasDefinition  "Ratio of the current carried by the ion B to the total current" .

rdl:RDS383444  rdl:hasDefinition  "For inductive electrical couplings  k = \nLmn\n.root(Lm.Ln)" .

rdl:RDS394379  rdl:hasDefinition  "Square root of the slowing-down area" .

rdl:RDS351854  rdl:hasDefinition  "The resultant force acting on a body is equal to the derivative with respect to time of the momentum of the body" .

rdl:RDS391949  rdl:hasDefinition  "Br = B/m" .

rdl:RDS396044  rdl:hasDefinition  "Factor by which the intensity of a diffraction line is reduced because of lattice vibrations" .

rdl:RDS393614  rdl:hasDefinition  "Number of elementary charges of the same sign produced over an element of length of the path of an ionising charged particle, divided by that element" .

rdl:RDS385784  rdl:hasDefinition  "" .

rdl:RDS352529  rdl:hasDefinition  "At a point on a surface, the radiant energy flux incident on an element of the surface, divided by the area of that element" .

rdl:RDS390104  rdl:hasDefinition  "Electrolytic current density divided by the electric field strength" .

rdl:RDS389969  rdl:hasDefinition  "F = NA.e" .

rdl:RDS398384  rdl:hasDefinition  "Eu = deltap/(rho.v^2)  where delta p is the pressure difference,  rho the volumetric mass and   v a characteristic speed" .

rdl:RDS390779  rdl:hasDefinition  "R(infinity) = e^2/(8.pi.epsilon0.a0.h.c)" .

rdl:RDS17659980  rdl:hasDefinition  "A density that is the density of a compound divided by the density of water." .

rdl:RDS386459  rdl:hasDefinition  "For two tones, the binary logarithm of the ratio of the higher frequency to the lower frequency" .

rdl:RDS354869  rdl:hasDefinition  "The section modulus of a plane area (section) about an axis in its plane is the second moment of area divided by the distance from the axis to the most remote point of the area." .

rdl:RDS392444  rdl:hasDefinition  "Maximum energy of the energy spectrum in a beta disintegration process" .

rdl:RDS378809  rdl:hasDefinition  "The second axial moment of area of a plane area (section) about an axis in its plane is the sum (integral) of the products of its elements of area and the squares of their distance from the axis. (I =Integral(r*r)dA, where r is  the distance normal from the axis to the area element dA.)" .

rdl:RDS349649  rdl:hasDefinition  "At a surface, the complex representation of sound pressure divided by the complex representation of volume flow rate" .

rdl:RDS399059  rdl:hasDefinition  "St* = k/(rho.v) where k is the mass transfer coefficient,  rho the mass volume and  v a characteristic speed" .

rdl:RDS380519  rdl:hasDefinition  "The second polar moment of area of a plane area (section) about a point in its plane is the sim (integral) of the products of its elements of area and the squares of their distances from the point" .

rdl:RDS351359  rdl:hasDefinition  "Energy supplied by a source divided by the electrical charge transported through the source" .

rdl:RDS388799  rdl:hasDefinition  "For the solvent A in a solution, aA is equal to the ratio of the absolute activity lambdaA to that, lambda*A, of the pure solvent at the same temperature and pressure" .

rdl:RDS353024  rdl:hasDefinition  "Vector quantity, the rotation (curl) of which is equal to the sum of the electric current density and the time derivative of the electric flux density" .

rdl:RDS394784  rdl:hasDefinition  "Multiplication factor for an infinite medium or for an infinite repeating lattice" .

rdl:RDS393119  rdl:hasDefinition  "psi = dPSI/dt" .

rdl:RDS385289  rdl:hasDefinition  "PHI = dNp/dt  where Np is the photon number" .

rdl:RDS382859  rdl:hasDefinition  "For electrostatic fields, the potential difference between point 1 and point 2 is the line integral from 1 to 2 of the electric field strength" .

rdl:RDS353699  rdl:hasDefinition  "Moment of inertia of a body about an axis is the sum (integral) of the product of its elements of mass and the square of their distances from the axis.  I = Integral (r*r*)dm; where r is the distance from the mass element 'm' to the axis." .

rdl:RDS358874  rdl:hasDefinition  "Mass divided by volume." .

rdl:RDS398969  rdl:hasDefinition  "Gr*  = l^3.g.beta.deltax/nu^2    where l is a characteristic length, g is the acceleration of free fall,  beta = -(1/rho).(drho/dx),T,p  deltax a characteristic difference in mole fraction, nu  is the kinematic viscosity" .

rdl:RDS391274  rdl:hasDefinition  "Expectation value of the quantity   (1/e).integral (3z^2-r^2).rho(x,y,z).dV  in the quantum state with the nuclear spin in the field (z) direction; rho(x, y, z) is the nuclear charge density, e is the elementary charge and dV is the volume element dx, dy, dz" .

rdl:RDS384524  rdl:hasDefinition  "lambda = P/S" .

rdl:RDS350189  rdl:hasDefinition  "Charge divided by potential difference" .

rdl:RDS352934  rdl:hasDefinition  "The luminous flux d PHI of a source of luminous intensity I in an element of solid angle dOMEGA is given by   d(PHI) = I.d(OMEGA)" .

rdl:RDS381014  rdl:hasDefinition  "Time after which the quantity would reach its limit if it maintained its initial rate of variation" .

rdl:RDS388709  rdl:hasDefinition  "For a solute in a solution, gamma = aB/(mB/mtheta)" .

rdl:RDS389294  rdl:hasDefinition  "OMEGA = sumr(1)  where the sum is over all quantum states consistent with given energy, volume, external fields and content" .

rdl:RDS381689  rdl:hasDefinition  "alpha = (1/V).dV/dT  where v is the volume and T is the temperature" .

rdl:RDS383354  rdl:hasDefinition  "Vector quantity, the rotation (curl) of which is equal to the magnetic flux density.  B = rot A" .

rdl:RDS354194  rdl:hasDefinition  "Force perpendicular to the area divided by area. p = dF/dA where dF is the  perpendicular component of the force acting on the area element dA. The pressure is positive when the force is acting into the area." .

rdl:RDS43165907274  rdl:hasDefinition  "Amount  of substance of B divided by the volume of the mixture" .

rdl:RDS394289  rdl:hasDefinition  "In an infinite homogeneous medium, one-sixth of the mean square distance between the pinot where a neutron enters a specified class and the point where it leaves this class" .

rdl:RDS387539  rdl:hasDefinition  "Ratio of the average mass per molecule or specified entity of a substance to 1/12 of the mass of the nuclide 12 C" .

rdl:RDS366209  rdl:hasDefinition  "kappa = mu r - 1" .

rdl:RDS385694  rdl:hasDefinition  "V = K / Km" .

rdl:RDS355949  rdl:hasDefinition  "Areic heat flow rate divided by temperature gradient" .

rdl:RDS393524  rdl:hasDefinition  "Distance that a particle penetrates in a given substance under specified conditions averaged over a group of particles having the same initial energy" .

rdl:RDS389204  rdl:hasDefinition  "Vector quantity, the vector product of which with the electric field strength is equal to the torque  pxE = T" .

rdl:RDS384029  rdl:hasDefinition  "LAMBDA = 1/Rm where Rm is the reluctance" .

rdl:RDS390014  rdl:hasDefinition  "The ionic strength of a solution is defined as  I = (1/2) .sum(zi2.mi)  where the sumation is carried out over all ions with molarities mi" .

rdl:RDS397709  rdl:hasDefinition  "Critical temperature of an anti Ferro magnet" .

rdl:RDS398294  rdl:hasDefinition  "The distance in a superconductor over which the effect of a perturbation is appreciable" .

rdl:RDS350594  rdl:hasDefinition  "Real part of admittance" .

rdl:RDS354104  rdl:hasDefinition  "Rate of energy transfer" .

rdl:RDS390689  rdl:hasDefinition  "Elementary quantum of action" .

rdl:RDS383939  rdl:hasDefinition  "G = 1/R" .

rdl:RDS392354  rdl:hasDefinition  "Average time required for the decay of one half of the atoms of a sample of a radioactive nuclide" .

rdl:RDS385604  rdl:hasDefinition  "K(lambda) = PHIvlambda/PHIelambda  where" .

rdl:RDS356444  rdl:hasDefinition  "V  = triple integral (dx.dy.dz)  where x, y and z are Cartesian coordinates" .

rdl:RDS351269  rdl:hasDefinition  "P = D - epsilon0.E  where D is the electric flux density, epsilon0 the electric constant and E the electric field strength" .

rdl:RDS396539  rdl:hasDefinition  "For metals, the resistivity extrapolated to zero thermodynamic temperature" .

rdl:RDS398204  rdl:hasDefinition  "Cut-of angular frequency in the Debye model of the vibrational spectrum of a solid" .

rdl:RDS393029  rdl:hasDefinition  "phi = dPHI/dt" .

rdl:RDS387944  rdl:hasDefinition  "Number of molecules or particles divided by volume" .

rdl:RDS382769  rdl:hasDefinition  "Gibbs free energy divided by mass" .

rdl:RDS391184  rdl:hasDefinition  "omega N = gamma.B where gamma is the gyro magnetic coefficient and B the magnetic flux density" .

rdl:RDS398879  rdl:hasDefinition  "Fo* = D.t/l^2 where D is the diffusion coefficient,  t is a characteristic time interval and  l is a characteristic length" .

rdl:RDS384434  rdl:hasDefinition  "S = U.I" .

rdl:RDS395369  rdl:hasDefinition  "For X-gamma radiation, the total electric charge of the ions of the same sign produced when all the electrons (negative and positive) liberated by photons in an element of air are stopped in air, divided by the mass of that element" .

rdl:RDS352844  rdl:hasDefinition  "K = PHIv/PHIe" .

rdl:RDS392939  rdl:hasDefinition  "Sum of the total cross-sections for all atoms in a given volume, divided by that volume" .

rdl:RDS388619  rdl:hasDefinition  "lambda_thetaB = lambda*B(p_theta)" .

rdl:RDS397034  rdl:hasDefinition  "Difference in energy between lowest level of conduction band and highest level of valence band" .

rdl:RDS381599  rdl:hasDefinition  "t = T - To  where To is defined as being equal to 273,15K" .

rdl:RDS394604  rdl:hasDefinition  "In an infinite medium, the ratio of the mean number of neutrons produced by fissions due to neutrons of all energies, to the mean number of neutrons produced by fissions due to thermal neutrons only" .

rdl:RDS386774  rdl:hasDefinition  "For uni-directional sound power, sound power through a surface normal to the direction of propagation divided by the area of the surface" .

rdl:RDS385109  rdl:hasDefinition  "Ratio of the radiance emitted from a thermal radiator to that of a full radiator (black body) at the same temperature" .

rdl:RDS353519  rdl:hasDefinition  "Y\n= SQRT(G**2 + B**2)  G= Real part of admittance  B= Imaginary part of admittance" .

rdl:RDS383264  rdl:hasDefinition  "F = integral H.dr where H is the magnetic field strength" .

rdl:RDS4316806585  rdl:hasDefinition  "Mass of B divided by the volume of the mixture" .

rdl:RDS399374  rdl:hasDefinition  "Co = B^2/mu.rho.v^2  where B is the magnetic flux density, mu the magnetic permeability,  rho volumic mass and  v characteristic speed" .

rdl:RDS394199  rdl:hasDefinition  "Average value of the increase in lethargy in elastic collisions between neutrons and nuclei whose kinetic energy is negligible compared with that of the neutrons" .

rdl:RDS396944  rdl:hasDefinition  "The thermionic emission current density J for a metal is   J = A.T^2.exp(-PHI/(k.T))  where T is the thermodynamic temperature, k is the Boltzmann constant and PHI is the work function" .

rdl:RDS391769  rdl:hasDefinition  "lambdaC = h/(m.c)  where m is the rest mass and h the Planck constant" .

rdl:RDS355859  rdl:hasDefinition  "The degree or intensity of heat or cold as measured on a thermometric scale, and a measure of whether two systems are relatively hot or cold with respect to one another. Two systems brought into contact will, after sufficient time, be in thermal equilibrium and will have the same temperature." .

rdl:RDS393434  rdl:hasDefinition  "Sa = S/n  where n is the number density of the atoms in the substance" .

rdl:RDS389114  rdl:hasDefinition  "For a chemical reaction;K^theta is the product PI.(lambda^thetaB)^-nuB" .

rdl:RDS381509  rdl:hasDefinition  "gamma = alpha +j.beta where alpha is the attenuation coefficient and beta the phase coefficient." .

rdl:RDS352349  rdl:hasDefinition  "At a point on a surface, the luminous flux incident on an element of the surface, divided by the area of that element" .

rdl:RDS397619  rdl:hasDefinition  "Interaction energy arising from electron exchange" .

rdl:RDS389789  rdl:hasDefinition  "DT = kT.D  where kT is the thermal diffusion ratio and the diffusion coefficient" .

rdl:RDS395774  rdl:hasDefinition  "Fraction of nearest-neighbour atom pairs in an lsing ferromagnetic moments, minus the fraction having antiparallel magnetic moments" .

rdl:RDS354689  rdl:hasDefinition  "Magnetic potential difference by magnetic flux" .

rdl:RDS392264  rdl:hasDefinition  "Activity divided by the total volume of the sample" .

rdl:RDS385514  rdl:hasDefinition  "Hp =  integral ( Ep.dt )  where Ep is the photon irradiance" .

rdl:RDS349469  rdl:hasDefinition  "For any ionising radiation, the mean energy imparted to an element of irradiated matter divided by the mass of this element" .

rdl:RDS351179  rdl:hasDefinition  "Force, exerted by electric field on an electric point charge, divided by the electronic charge" .

rdl:RDS353924  rdl:hasDefinition  "D = epsilon.E  where D is the electric flux density and E is the electric field strength" .

rdl:RDS382004  rdl:hasDefinition  "q = h(Ts-Tr)  where Ts is the temperature of the surface and Tr is a reference temperature characteristic of the external surroundings, q is the areic heat flow rate" .

rdl:RDS390509  rdl:hasDefinition  "1/12 of the rest mass of a neutral atom of the nuclide 12C in the ground state" .

rdl:RDS387854  rdl:hasDefinition  "Heat capacity divided by amount of substance" .

rdl:RDS382679  rdl:hasDefinition  "Enthalpy divided by mass" .

rdl:RDS391094  rdl:hasDefinition  "gamma = g.e/(2.mp)  where gamma is the gyro magnetic coefficient an mp the mass of proton" .

rdl:RDS398789  rdl:hasDefinition  "Nu = K.l/lambda where K is the coefficient of heat transfer,  l a characteristic length and   lambda the thermal conductivity" .

rdl:RDS384344  rdl:hasDefinition  "delta = arctan d where d is the loss factor" .

rdl:RDS355184  rdl:hasDefinition  "Entropy divided by mass" .

rdl:RDS381914  rdl:hasDefinition  "Heat flow rate divided by area" .

rdl:RDS392849  rdl:hasDefinition  "Cross-section for ejection or scattering a particle into an element of solid angle with energy in an element of energy, divided by the product of these two elements  sigma = double integral (sigma, OMEGA, E.dOMEGA.dE)" .

rdl:RDS394514  rdl:hasDefinition  "Average number of fission neutrons, both prompt and delayed, emitted per neutron fission" .

rdl:RDS386684  rdl:hasDefinition  "Mean sound energy in a given volume divided by that volume" .

rdl:RDS385019  rdl:hasDefinition  "The constant c1 and c2 in the expression for the spectral concentration of the radiant exitance of a full radiator (black body) at the thermodynamic temperature T    M = c1.f(lambda,T) = c1.lambda^5/(e^(c2/(lambda.T))-1)" .

rdl:RDS391004  rdl:hasDefinition  "gamma = mu.2.pi/(J.h)  where J is the angular momentum quantum number" .

rdl:RDS383174  rdl:hasDefinition  "Vector quantity, the integral of which over a given surface is equal to the electric current flowing through that surface" .

rdl:RDS399284  rdl:hasDefinition  "Al = v/(B/(rho.mu)^(1/2)) = v/vA where v is a characteristic speed, B the magnetic flux density, rho the volumic mass, mu the magnetic permeability and vA the Alfven speed" .

rdl:RDS349874  rdl:hasDefinition  "A = double integral (dx.dy)  where x and y are cartesian coordinates" .

rdl:RDS380744  rdl:hasDefinition  "Ek = (1/2).m.v2" .

rdl:RDS396854  rdl:hasDefinition  "Energy difference between an electron at rest at infinity and an electron at the Fermi level in the interior of a substance" .

rdl:RDS391679  rdl:hasDefinition  "alpha = e^2/(2.epsilon0.h.c)" .

rdl:RDS387359  rdl:hasDefinition  "Time required for the average sound energy density in an enclosure to decrease to 10^-6 of the initial value after the source has stopped" .

rdl:RDS384929  rdl:hasDefinition  "H = integral E.dt where e is the irradiance" .

rdl:RDS355769  rdl:hasDefinition  "Force perpendicular to a line element in a surface divided by the length of the line element" .

rdl:RDS393344  rdl:hasDefinition  "For an ionising charged particle of energy E moving in the x-direction,  S = -Ed/dx" .

rdl:RDS389024  rdl:hasDefinition  "A = sum(nuB.muB)  where nuB is the stoichiometric number of B and muB the chemical potential of B" .

rdl:RDS381419  rdl:hasDefinition  "If a quantity is a function of distance x given by F     (x) = A.e^-(alpha.x).cos[beta.(x - x0)]    then alpha is the attenuation coefficient" .

rdl:RDS397529  rdl:hasDefinition  "Time constant for recombination or trapping of minority charge carries in semiconductors" .

rdl:RDS389699  rdl:hasDefinition  "In the steady of a binary mixture in which thermal diffusion occurs  grad xB = -(kT/T) grad T  where xB is the locale mole fraction pf the heavier substance b and T is the local temperature" .

rdl:RDS372824  rdl:hasDefinition  "The complex representation of potential difference divided by the complex representation of current" .

rdl:RDS395684  rdl:hasDefinition  "2.d.sin(rho)  = n.lambda  where lambda is the wavelength of the radiation in question and n is an integer" .

rdl:RDS394019  rdl:hasDefinition  "Rate of production of neutrons in a volume element, divided by that element" .

rdl:RDS386189  rdl:hasDefinition  "kappa  = a/c  where a is the linear absorption coefficient and c the volumetric amount of substance" .

rdl:RDS388934  rdl:hasDefinition  "Excess pressure required to maintain osmotic equilibrium between a solution and the pure solvent separated by a membrane permeable only to the solvent" .

rdl:RDS392174  rdl:hasDefinition  "Average number of spontaneous nuclear transitions from a particular energy state occuring in an amount of a radionuclide in a small time interval, divided by that interval" .

rdl:RDS385424  rdl:hasDefinition  "At a point on a surface, the photon flux leaving an element of the surface, divided by the area of that element" .

rdl:RDS380249  rdl:hasDefinition  "Stress that acts in a direction perpendicular to the cut surface." .

rdl:RDS351089  rdl:hasDefinition  "A measure for the flow rate of electrical energy. Electric current is one of the base quantities on which the SI system is based." .

rdl:RDS396359  rdl:hasDefinition  "For a uni-univalent ionic crystal of specific structure, the electrostatic energy per pair of ions is   E = alpha.e^2/(4-pi.epsilon0.a) where e is the elementary charge, epsilon0 is the permitivity of vacuum and a is a lattice constant which should be specified" .

rdl:RDS393929  rdl:hasDefinition  "Jx = - Dn.deltan/deltax  where Jx is the x-component of the neutron current density and n is the neutron number density" .

rdl:RDS389609  rdl:hasDefinition  "For a molecule, the average distance between two successive collisions, reactions or processes" .

rdl:RDS398024  rdl:hasDefinition  "kappa = lambdaL/(xi.root 2) at T = 0  where lambda L is the London penetration depth and xi the coherence length" .

rdl:RDS387764  rdl:hasDefinition  "Volume divided by amount of substance Vm = V/n" .

rdl:RDS390419  rdl:hasDefinition  "Number of nucleons in an atomic nucleus" .

rdl:RDS382589  rdl:hasDefinition  "Energy divided by mass" .

rdl:RDS398699  rdl:hasDefinition  "Pe = rho.cp.v.l/lambda = v.l/a    where rho is the volumetric mass  cp the mass heat capacity at constant pressure  v a characteristic speed,  l a characteristic length,  lambda the thermal conductivity and  a the thermal diffusivity" .

rdl:RDS384254  rdl:hasDefinition  "For non-radiating systems, if Z = R + jX, then Q = \nX\n/R" .

rdl:RDS355094  rdl:hasDefinition  "A solid angle of a cone is defined as the ratio of the area cut out on a spherical surface (with its centre at the apex of that cone) to the square of the radius of the sphere" .

rdl:RDS395189  rdl:hasDefinition  "For an ionising charged particle, the energy imparted locally to matter in traversing a small distance through the matter, divided by that distance" .

rdl:RDS392759  rdl:hasDefinition  "Cross-section for ejecting or scattering a particle into an element of solid angel, divided by this element.  sigma = integral (sigma,omega domega)" .

rdl:RDS388439  rdl:hasDefinition  "For a gaseous mixture, pB = xB.p where p is the pressure and xB the mole fraction of B" .

rdl:RDS394424  rdl:hasDefinition  "Square root of the diffusion area" .

rdl:RDS386594  rdl:hasDefinition  "a = (delta u)/(delta v)  where u is the velocity" .

rdl:RDS398609  rdl:hasDefinition  "Sr = l.f/v where l is a characteristic length, f a characteristic frequency and  v a characteristic speed" .

rdl:RDS383084  rdl:hasDefinition  "epsilon r = epsilon/epsilon0" .

rdl:RDS380654  rdl:hasDefinition  "W = integral( F.dr)" .

rdl:RDS399194  rdl:hasDefinition  "Le = lambda/rho.cp.D = a/D where lambda is the thermal conductivity, rho the volumetric mass,  cp the mass heat capacity at constant pressure  D the diffusion coefficient and a the thermal diffusivity" .

rdl:RDS396764  rdl:hasDefinition  "In an isotropic conductor, the relation between electric field strength E and the current density J is   E = rho.J + R(BxJ)  where rho is the resistivity and B is the magnetic flux density" .

rdl:RDS387269  rdl:hasDefinition  "R = 1/2 ln(1/tau) = 1/2 ln 10.lg(1/tau)  where tau is the transmittance" .

rdl:RDS384839  rdl:hasDefinition  "in a given direction from a source, the radiant energy flux leaving the source, or an element of the source, in an element of the solid angle containing the given direction, divided by that element of solid angle" .

rdl:RDS393254  rdl:hasDefinition  "mu,c = mu/rho  where c is the amount-of-substance concentration" .

rdl:RDS386504  rdl:hasDefinition  "Instantaneous displacement of a particle in a medium from what would be its position in the absence of sound waves" .

rdl:RDS390824  rdl:hasDefinition  "Eh = e^2/(4.pi.epsilon0.a0)" .

rdl:RDS382994  rdl:hasDefinition  "Charge divided by volume" .

rdl:RDS381329  rdl:hasDefinition  "Product of damping coefficient and period" .

rdl:RDS361664  rdl:hasDefinition  "Unitless measure related to volume and temperature changes" .

rdl:RDS397439  rdl:hasDefinition  "b = mun/mup  where mun and mup are the mobilities of electrons and holes; respectively" .

rdl:RDS399104  rdl:hasDefinition  "Pr = eta.cp/lambda = nu/a where eta is the dynamic viscosity, cp the mass heat capacity at constant pressure  lambda the thermal conductivity, nu the kinetic viscosity and  a the thermal diffusivity" .

rdl:RDS386099  rdl:hasDefinition  "Relative decrease in spectral concentration of the radiant or luminous flux of a collimated beam of electromagnetic radiation in vacuum to the phase speed of electromagnetic radiation of a specified frequency in the medium" .

rdl:RDS351404  rdl:hasDefinition  "Capacity to do work." .

rdl:RDS388844  rdl:hasDefinition  "phi = -(MA.summB)-1.lnaA  where MA is the molar mass of the solvent A and aA the activity of solvent A" .

rdl:RDS383669  rdl:hasDefinition  "J = B - mu0.H" .

rdl:RDS358019  rdl:hasDefinition  "An angle between two half-lines terminating at the same point is defined as the ratio of length of the included arc of the circle (with its centre at that point) to the radius of that circle" .

rdl:RDS392084  rdl:hasDefinition  "tau = integral(t.dN/dt.dt) / integral(dN/dt.dt)  where dN/dt is the number of atoms decaying in the time interval dt" .

rdl:RDS385334  rdl:hasDefinition  "In a given direction from a source, the photon flux leaving the source, in an element of solid angle containing the given direction, divided by that element of solid angle" .

rdl:RDS380159  rdl:hasDefinition  "H = integral(M.dt)" .

rdl:RDS382904  rdl:hasDefinition  "Vector quantity, the divergence of which is equal to the volumetric charge.  div D = rho" .

rdl:RDS396269  rdl:hasDefinition  "Number of vibrational modes in an infinitesimal interval of angular frequency, divided by the size of that interval and by volume" .

rdl:RDS393839  rdl:hasDefinition  "Number of free neutrons in a volume element, divided by that element" .

rdl:RDS389519  rdl:hasDefinition  "The universal constant of proportionality in the ideal gas law:  p.V = R.T" .

rdl:RDS387674  rdl:hasDefinition  "Number of molecules divided by amount of substance L = N/n" .

rdl:RDS350234  rdl:hasDefinition  "kappa = -(1/V).dV/dP" .

rdl:RDS391994  rdl:hasDefinition  "f = DELTAr/A" .

rdl:RDS390329  rdl:hasDefinition  "alpha m = alpha.A/m  where m is the mass of the optically active component in the path of the linearly polarized light beam of cross-sectional area A" .

rdl:RDS354419  rdl:hasDefinition  "Energy emitted, transferred or received as radiation." .

rdl:RDS384164  rdl:hasDefinition  "When u = cos (omega.t) and i = cos (omega.t - phi), then  phi is the phase difference" .

rdl:RDS381734  rdl:hasDefinition  "alpha = (1/p).dp/dT  where p is the pressure and T is the temperature" .

rdl:RDS395099  rdl:hasDefinition  "Product of D, Q and N, at the point of interest in tissue, where D is the absorbed dose, Q is the quality factor and N is the product of any other modifying factors  H = D.Q.N" .

rdl:RDS397844  rdl:hasDefinition  "For type II superconductors, the threshold magnetic flux density for magnetic flux entering the superconductor" .

rdl:RDS392669  rdl:hasDefinition  "For a specified target entity and for a specified reaction or process produced by incident charged or uncharged particles of specified type and energy, the cross-section is the probability of this target entity divided by the incident-particle fluence" .

rdl:RDS388349  rdl:hasDefinition  "For a mixture of substance B, C,...,..  muB = (delta G/delta nB) of T,p,nC,..,..  where nB is the amount of substance of B and G is the Gibbs function" .

rdl:RDS359189  rdl:hasDefinition  "The energy content per unit of mass, ie. H = U + p.V." .

rdl:RDS356759  rdl:hasDefinition  "Distance in the direction of propagation of a periodic wave between two successive points where at a given time the phase is the same" .

rdl:RDS394334  rdl:hasDefinition  "Sum of the slowing-down area from fission energy to thermal energy and the diffusion area for thermal neutrons" .

rdl:RDS391904  rdl:hasDefinition  "DELTAr = DELTA/m" .

rdl:RDS398519  rdl:hasDefinition  "We = rho.v^2.l/sigma where rho is the volumetric mass, v a characteristic speed, l a characteristic length and  sigma the surface tension" .

rdl:RDS380564  rdl:hasDefinition  "Ratio of frictional force to normal force, for sliding body" .

rdl:RDS396674  rdl:hasDefinition  "Sab = dEab/dT  where T is the temperature of the hot junction" .

rdl:RDS395009  rdl:hasDefinition  "Expectation value of the energy imparted" .

rdl:RDS387179  rdl:hasDefinition  "Ratio of the transmitted sound power to the incident sound power" .

rdl:RDS389924  rdl:hasDefinition  "Ratio of the charge of the ion to the elementary charge. This quantity is negative for a negative ion." .

rdl:RDS384749  rdl:hasDefinition  "At a given point in space, the radiant energy incident on a small sphere divided by the cross-sectional area of that sphere" .

rdl:RDS393164  rdl:hasDefinition  "Vector quantity, the integral of whose normal component over any surface is equal to the net number I of particles passing through that surface in a small sphere, divided by the cross-sectional area of that sphere" .

rdl:RDS390734  rdl:hasDefinition  "a0 = 4.pi.epsilon0.(h/(2.pi))^2/(me.e^2)" .

rdl:RDS381239  rdl:hasDefinition  "L,F = ln(F/Fo)  where F and Fo represent two amplitudes of the same kind, Fo being a reference amplitude" .

rdl:RDS397349  rdl:hasDefinition  "Number density of donor level" .

rdl:RDS394919  rdl:hasDefinition  "Time required for the neutron fluence rate in a reactor to change by the factor e when the fluence rate is rising or falling exponentially" .

rdl:RDS17253087  rdfs:label  "MILLISECOND -ANGLE" ;
        rdl:hasDesignation  "MILLISECOND -ANGLE" .

rdl:RDS399014  rdl:hasDefinition  "Nu* = k.l/(rho.D) where k is the mass transfer coefficient,  l a characteristic length,  rho the volumetric mass and  D the diffusion coefficient" .

rdl:RDS351314  rdl:hasDefinition  "For electrostatic fields, a scalar quantity, the gradient of which, with reversed sign, is equal to the electric field strength E = - grad V" .

rdl:RDS383579  rdl:hasDefinition  "mu0=1,256 637x10^-6" .

rdl:RDS351989  rdl:hasDefinition  "f = 1/T  where T is a period    Number of cycles divided by time (ISO 31-5:1992(E))" .

rdl:RDS385244  rdl:hasDefinition  "For monochromatic radiation of frequency nu,  Np = W/(h.nu)  where W is the radiant energy" .

rdl:RDS396179  rdl:hasDefinition  "Cut-off angular repetency in the Debye model of the vibrational spectrum of a solid" .

rdl:RDS356084  rdl:hasDefinition  "The turning moment exerted by tangential force acting at a distance from the axis of a rotation" .

rdl:RDS43168251138  rdl:hasDefinition  "Vector product of electric field strength and magnetic field strength S = ExH" .

rdl:RDS374984  rdl:hasDefinition  "Mass divided by area" .

rdl:RDS398924  rdl:hasDefinition  "Pe* = v.l./D  where v is a characteristic speed,  l is a characteristic length and  D is the diffusion coefficient" .

rdl:RDS393749  rdl:hasDefinition  "Number of positive or negative ions in a volume element, divided by that element" .

rdl:RDS389429  rdl:hasDefinition  "q = sumi (exp(-epsilon/k.T))  where epsilon i is the energy of the ith allowed quantum state of the molecule consistent with given volume and external fields" .

rdl:RDS390239  rdl:hasDefinition  "Angle through which plane polarized light is rotated clockwise, as seen when facing the light source, in passing through an optical medium." .

rdl:RDS395414  rdl:hasDefinition  "Xr = dX/dt" .

rdl:RDS387584  rdl:hasDefinition  "Numbers of molecules or other elementary entities in a system" .

rdl:RDS366254  rdl:hasDefinition  "G = shear stress/shear strain" .

rdl:RDS14643651  rdl:hasDefinition  "Probability that a neutron will not escape from the reactor during the slowing-down process or while it diffuses a thermal neutron" .

rdl:RDS381644  rdl:hasDefinition  "alpha l = (1/l).dl/dT where l is the length and T is the temperature" .

rdl:RDS397754  rdl:hasDefinition  "Critical temperature of a superconductor" .

rdl:RDS392579  rdl:hasDefinition  "In a nuclear reaction, the sum of the kinetic and photon energies of the reaction products minus the sum of the kinetic  and photon energies of the reactants" .

rdl:RDS388259  rdl:hasDefinition  "For a mixture of substances,  phiB = xB.V*m,B/sum(xA.V*m,A)  where V*m,A is the volume of the pure substances at the same" .

rdl:RDS394244  rdl:hasDefinition  "In na infinite homogeneous medium, one-sixth of the mean square distance between the source of a neutron and the point where the neutron reaches a given energy" .

rdl:RDS391814  rdl:hasDefinition  "DELTA = ma - A mu" .

rdl:RDS383984  rdl:hasDefinition  "P = U.I" .

rdl:RDS362654  rdl:hasDefinition  "Ratio of an output power to an input power" .

rdl:RDS353159  rdl:hasDefinition  "Vector quantity, the vector product of which with the magnetic flux density of a homogenous field is equal to the torque mxB = T" .

rdl:RDS398429  rdl:hasDefinition  "Fr = v/root (l.g) where v is  a characteristic speed,  l a characteristic length and  g the acceleration of free fall" .

rdl:RDS380474  rdl:hasDefinition  "K = - pressure/volume strain" .

rdl:RDS396584  rdl:hasDefinition  "L = lambda/(sigma.T) where lambda is the thermal conductivity, sigma the electrical conductivity and T is the thermodynamic temperature" .

rdl:RDS387089  rdl:hasDefinition  "Ratio of the dissipated sound power to the incident sound power" .

rdl:RDS389834  rdl:hasDefinition  "Number of protons in an atomic nucleus" .

rdl:RDS393074  rdl:hasDefinition  "At a given point in space, the sum of the energies, exclusive of the rest energy, of all the particles incident on a small sphere, divided by the cross-sectional area of that sphere" .

rdl:RDS381149  rdl:hasDefinition  "c = lambda.f  where lambda is the wavelength and f is the frequency" .

rdl:RDS397259  rdl:hasDefinition  "Number density of holes in valence band" .

rdl:RDS354734  rdl:hasDefinition  "The number of revolutions divided by time" .

rdl:RDS394829  rdl:hasDefinition  "Multiplication factor for a finite medium" .

rdl:RDS386999  rdl:hasDefinition  "Lp = ln (P/P0) = (1/2).ln 10.lg (P/P0)  where p is the root-mean-square value of the sound power and the reference power p0 is equal to 1pW" .

rdl:RDS349514  rdl:hasDefinition  "a = dv/dt  where v is the speed and t is the time" .

rdl:RDS392984  rdl:hasDefinition  "At a given point in space, the number of particles incident on a small sphere, divided by the cross-section area of that sphere" .

rdl:RDS351224  rdl:hasDefinition  "The scalar product of the electric flux density and the surface element." .

rdl:RDS391319  rdl:hasDefinition  "Average radius of volume in which the nuclear matter is included" .

rdl:RDS388664  rdl:hasDefinition  "For a solute B in a solution, aB is proportional to the absolute activity lambdaB, the proportional factor, which is a function of temperature and pressure only, being determined by the condition that at constant temperature and pressure aB divided by the molarity ratio mB/mtheta tends to 1 at infinite dilution; mtheta i" .

rdl:RDS385154  rdl:hasDefinition  "Ratio of spectral concentration of radiant exitance of a thermal radiator to that of a full radiator (black body) at the same temperature" .

rdl:RDS396089  rdl:hasDefinition  "k = 2.pi/lambda  where lambda is the wavelength" .

rdl:RDS382724  rdl:hasDefinition  "Helmholtz free energy divided by mass" .

rdl:RDS374894  rdl:hasDefinition  "kappa = 1/rho  where kappa is the curvature and rho is the radius of curvature" .

rdl:RDS398834  rdl:hasDefinition  "St = K/rho.v.cp where K is the coefficient of heat transfer,  rho the volumetric mass,  v a characteristic speed and  cp the mass heat capacity at constant pressure" .

rdl:RDS393659  rdl:hasDefinition  "Total number of elementary charges of the same sign produced by an ionizing charged particle along its entire path" .

rdl:RDS389339  rdl:hasDefinition  "Z = sum exp(-Er/kT)  where the sum is over all quantum states consistent with given volume, external fields and content, and where Er is the energy of the rth quantum state" .

rdl:RDS386909  rdl:hasDefinition  "At a point in a medium and for a plane progressive wave, the complex representation of sound pressure divided by the complex representation of particle velocity" .

rdl:RDS390149  rdl:hasDefinition  "Conductivity divided by the amount-of-substance concentration" .

rdl:RDS395324  rdl:hasDefinition  "For beam of indirectly ionising ( uncharged) particles, mu, tr/rho = K/psi  where psi is the energy fluence rate and K the kerma rate" .

rdl:RDS387494  rdl:hasDefinition  "Ratio of the average mass per atom of an element to 1/12 of the mass of an atom of the nuclide 12 C" .

rdl:RDS395999  rdl:hasDefinition  "u = R - R0" .

rdl:RDS397664  rdl:hasDefinition  "The temperature above which a ferromagnetic substance loses its ferromagnetism and becomes paramagnetic." .

rdl:RDS392489  rdl:hasDefinition  "Sum of the maximum beta particle energy Ebeta and the recoil energy of the atom produced in the reference frame that the emitting nucleus is at rest before its disintegration." .

rdl:RDS388169  rdl:hasDefinition  "Ratio of the amount of substance of B to the amount of substance in the mixture" .

rdl:RDS385739  rdl:hasDefinition  "V(lambda) = K(lambda)/Km  where K(lambda) is the spectral luminous efficacy and Km is the maximum s. l. e." .

rdl:RDS394154  rdl:hasDefinition  "The lethargy of a neutron of kinetic energy E is defined as u = ln(E0/E)   where E0 is the reference energy" .

rdl:RDS391724  rdl:hasDefinition  "re = e^2/(4.pi.epsilon0.me.c^2)" .

rdl:RDS383894  rdl:hasDefinition  "Electric potential difference divided by current when there is no electromotive force in the conductor." .

rdl:RDS353069  rdl:hasDefinition  "Across a surface element, the scalar product of the magnetic flux density and the surface element" .

rdl:RDS398339  rdl:hasDefinition  "Re = rho.v.l/eta = v.l/nu  where rho is the volumetric mass,  v a characteristic speed,  l a characteristic length,  eta  the dynamic viscosity and   nu the kinematic viscosity" .

rdl:RDS355814  rdl:hasDefinition  "Imaginary part of admittance" .

rdl:RDS350639  rdl:hasDefinition  "gamma = 1/rho" .

rdl:RDS380384  rdl:hasDefinition  "teta = delta.V/V0  where delta.V is the increase in volume and V is the volume in a reference state to be specified" .

rdl:RDS396494  rdl:hasDefinition  "rho(E) = N,E(E) = dN(E)/dE  where n(E) is the total number of one-electron states with energy less than E, divided by volume" .

rdl:RDS389744  rdl:hasDefinition  "alpha = kT/xA.xB  where xA and xB are the local mole fractions of the two substances" .

rdl:RDS384569  rdl:hasDefinition  "The electrical energy transformable into some other form of energy." .

rdl:RDS386234  rdl:hasDefinition  "For non-absorbing medium, the ratio of speed of electromagnetic radiation in vacuum to the phase speed of electromagnetic radiation of a specified frequency in the medium" .

rdl:RDS381059  rdl:hasDefinition  "omega = 2.pi.f  where f is the frequency" .

rdl:RDS397169  rdl:hasDefinition  "TF = EF/k  where k is the Boltzmann constant" .

rdl:RDS394739  rdl:hasDefinition  "Ratio of the total number of fission-dependent neutrons produced in a time interval to the total number of neutrons lost by absorption and leakage during the same interval" .

rdl:RDS365579  rdl:hasDefinition  "When a small quantity of heat dQ is received by a system the thermodynamic temperature of which is T, the entropy of the system is increased by ddQ/dT, provided that no irreversible change takes place in the system" .

rdl:RDS351134  rdl:hasDefinition  "Vector quantity, the vector product at which with the electric field strength of a homogenous field is equal to the torque pxE = T" .

rdl:RDS392894  rdl:hasDefinition  "Sum of the cross-section for a reaction or process of a specified type over all atoms in a given volume, divided by that volume" .

rdl:RDS388574  rdl:hasDefinition  "For a liquid mixture, fB = lambdaB/(lambda*B.xB)" .

rdl:RDS383399  rdl:hasDefinition  "For two thin conducting loops (m and n), the magnetic flux through one loop, due to an electric current in the other loop, divided by that current" .

rdl:RDS380969  rdl:hasDefinition  "Time of one cycle" .

rdl:RDS385064  rdl:hasDefinition  "The constant c1 and c2 in the expression for the spectral concentration of the radiant exitance of a full radiator (black body) at the thermodynamic temperature T    M = c1.f(lambda,T) = c1.lambda^5/(e^(c2/(lambda.T))-1)" .

rdl:RDS382634  rdl:hasDefinition  "Thermodynamic energy divided by mass" .

rdl:RDS361304  rdl:hasDefinition  "Ma = v/c where v is a characteristic speed and   c is the speed sound" .

rdl:RDS353474  rdl:hasDefinition  "Average drift velocity imparted to a charged particle in a medium by an electric field, divided by the field strength" .

rdl:RDS398744  rdl:hasDefinition  "Ra = l^3.rho^2.cp.g.alpha.deltaT/(eta.lambda) where l is a characteristic length, rho the volumetric mass, cp the mass heat capacity at constant pressure g the acceleration of free fall,  deltaT a characteristic temperature difference,  eta the dynamic viscosity and  lambda the thermal conductivity" .

rdl:RDS393569  rdl:hasDefinition  "Mean linear range multiplied by the volumetric mass of the substance  R rho = R.rho" .

rdl:RDS389249  rdl:hasDefinition  "Induced electric dipole moment divided by electric field strength" .

rdl:RDS386819  rdl:hasDefinition  "at a surface (or at a point), the complex representation of total force divided by the complex  representation of average particle velocity at that surface (or of particle velocity at that point) in the direction of the force" .

rdl:RDS408779  rdl:hasDefinition  "Mass divided by length." .

rdl:RDS395234  rdl:hasDefinition  "For indirectly ionising (uncharged particles, the sum of all charged particles liberated in an element of matter, divided by the mass of that element" .

rdl:RDS390059  rdl:hasDefinition  "Ratio of the number of dissociated molecules to the total number of molecules" .

rdl:RDS392804  rdl:hasDefinition  "Cross-section for a process in which the energy of the ejected or scattered particle is in an element of energy, divided by this element.  sigma = integral ( sigmaE.dE)" .

rdl:RDS384974  rdl:hasDefinition  "The constant sigma in the expression for the radiant exitance of a full radiator (black body) at the thermodynamic temperature T  M = sigma.T4" .

rdl:RDS397574  rdl:hasDefinition  "L = root (D.tau)  where D is the diffusion coefficient and tau is the life time" .