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Matches in LOV for { ?s <http://qudt.org/schema/qudt#description> ?o. }

• ElectricChargeDensityUnit description "The linear, surface, or volume charge density is the amount of electric charge in a line, surface, or volume. It is measured in coulombs per metre (C/m), square metre (C/m^2), or cubic metre (C/m^3), respectively. Since there are positive as well as negative charges, the charge density can take on negative values. [Wikipedia]".
• ElectricityAndMagnetismUnit description "The class of units used to measure the properties of electricity and magnetism.".
• FinancialUnit description "This class contains units that measure financial quantities, such as currency, transactions, rates of return, etc.".
• LogarithmicUnit description "Logarithmic units are abstract mathematical units that can be used to express any quantities (physical or mathematical) that are defined on a logarithmic scale, that is, as being proportional to the value of a logarithm function. Examples of logarithmic units include common units of information and entropy, such as the bit, and the byte, as well as units of relative signal strength magnitude such as the decibel.".
• NonSIUnit description "A Non-SI unit. Typically an imperial measure.".
• NotUsedWithSIUnit description "A type specification for all units that are not used in the SI standard.".
• SIBaseUnit description "All SI units are derived from the SI Base units".
• SIUnit description "An SI unit".
• ThermalExpansionUnit description "When the temperature of a substance changes, the energy that is stored in the intermolecular bonds between atoms changes. When the stored energy increases, so does the length of the molecular bonds. As a result, solids typically expand in response to heating and contract on cooling; this dimensional response to temperature change is expressed by its coefficient of thermal expansion.\n\nDifferent coefficients of thermal expansion can be defined for a substance depending on whether the expansion is measured by:\n\n * linear thermal expansion\n * area thermal expansion\n * volumetric thermal expansion\n\nThese characteristics are closely related. The volumetric thermal expansion coefficient can be defined for both liquids and solids. The linear thermal expansion can only be defined for solids, and is common in engineering applications.\n\nSome substances expand when cooled, such as freezing water, so they have negative thermal expansion coefficients. [Wikipedia]".
• ThermodynamicsUnit description "Thermodynamics units are units that provide reference scales for quantifying the conversion of energy into work, as well as heat and its relation to macroscopic variables such as temperature and pressure.".
• UsedWithSIUnit description "A type specification for all units that are used in the SI standard.".
• AngularMassUnit description "The units of angular mass have dimensions of mass * area. They are used to measure the moment of inertia.".
• AreaThermalExpansionUnit description "When the temperature of a substance changes, the energy that is stored in the intermolecular bonds between atoms changes. When the stored energy increases, so does the length of the molecular bonds. As a result, solids typically expand in response to heating and contract on cooling; this dimensional response to temperature change is expressed by its coefficient of thermal expansion.\n\nDifferent coefficients of thermal expansion can be defined for a substance depending on whether the expansion is measured by:\n\n * linear thermal expansion\n * area thermal expansion\n * volumetric thermal expansion\n\nThese characteristics are closely related. The volumetric thermal expansion coefficient can be defined for both liquids and solids. The linear thermal expansion can only be defined for solids, and is common in engineering applications.\n\nSome substances expand when cooled, such as freezing water, so they have negative thermal expansion coefficients.\n\nFor exactly isotropic materials, the area thermal expansion coefficient is very closely approximated as twice the linear coefficient.".
• AtomicChargeUnit description "The electric charge of an ion, equal to the number of electrons the atom has gained or lost in its ionization multiplied by the charge on one electron. This class contains the following instance(s): \"atomic number\".".
• CapacitanceUnit description "Capacitance is a measure of the amount of electric charge stored (or separated) for a given electric potential.\n\nThis class contains the following instance(s): \"Abfarad\", \"Farad\", \"MicroFarad\", \"NanoFarad\", \"PicoFarad\", \"Statfarad\".".
• ConductanceUnit description "Electrical conductance is the inverse of electrical resistance. It measures the ease with which electricity flows along a path through an electrical element.\n\nThis class contains the following instance(s): \"Abmho\", \"Mho\", \"Siemens\", \"Statmho\".".
• CurvatureUnit description "The canonicall example of extrinsic curvature is that of a circle, which has curvature equal to the inverse of its radius everywhere. Smaller circles bend more sharply, and hence have higher curvature. The curvature of a smooth curve is defined as the curvature of its osculating circle at each point. The osculating circle of a sufficiently smooth plane curve at a given point on the curve is the circle whose center lies on the inner normal line and whose curvature is the same as that of the given curve at that point. This circle is tangent to the curve at the given point.\n\nThat is, given a point P on a smooth curve C, the curvature of C at P is defined to be 1/R where R is the radius of the osculating circle of C at P. The magnitude of curvature at points on physical curves can be measured in diopters (also spelled dioptre) — this is the convention in optics. [Wikipedia]".
• ElectricChargeLineDensityUnit description "The linear charge density is the amount of electric charge in a line. It is measured in coulombs per metre (C/m). Since there are positive as well as negative charges, the charge density can take on negative values. [Wikipedia]".
• ElectricChargeUnit description "Electric charge is a fundamental conserved property of some subatomic particles, which determines their electromagnetic interaction. Electrically charged matter is influenced by, and produces, electromagnetic fields. The interaction between a moving charge and an electromagnetic field is the source of the electromagnetic force, which is one of the four fundamental forces.".
• ElectricChargeVolumeDensityUnit description "The volume charge density is the amount of electric charge in a volume. It is measured in coulombs per cubic metre (C/m^3). Since there are positive as well as negative charges, the charge density can take on negative values. [Wikipedia]".
• ElectricCurrentDensityUnit description "Electric current density is a measure of the density of flow of a conserved charge. Usually the charge is the electric charge, in which case the associated current density is the electric current per unit area of cross section, but the term current density can also be applied to other conserved quantities. It is defined as a vector whose magnitude is the current per cross-sectional area. [Wikipedia]\n\nIn SI units, the electric current density is measured in amperes per square metre. This class contains the following instance(s): \"Ampere per square meter\".".
• ElectricCurrentUnit description "Electric current is the flow (movement) of electric charge. The SI unit of electric current is the ampere, and electric current is measured using an ammeter. This class contains the following instance(s): \"Abampere\", \"Ampere\", \"Biot\", \"Statampere\".".
• ElectricDipoleMomentUnit description "The electric dipole moment (or electric dipole for short) is a measure of the polarity of a system of electric charges. [Wikipedia]\n\nThis class has the following instance(s): \"Coulomb meter\", \"Debye\".".
• ElectricFieldStrengthUnit description "The strength of the electric field at a given point is defined as the force that would be exerted on a positive test charge of +1 coulomb placed at that point; the direction of the field is given by the direction of that force. Electric fields contain electrical energy with energy density proportional to the square of the field intensity. The electric field is to charge as gravitational acceleration is to mass and force density is to volume.".
• EnergyDensityUnit description "Units that measure energy density, i.e. energy per unit volume.".
• EnergyPerAreaUnit description "Units that quantify energy per unit area.".
• EnergyPerElectricChargeUnit description "The ratio of energy to electric charge arises repeatedly in electrodynamics. It is the dimensional equivalent to the electrostatic potential and electromotive force. In both cases, the SI unit is the volt, or newton meters per coulomb.".
• HumanUnit description "units for measuring human resources".
• InductanceUnit description "An electric current flowing around a circuit produces a magnetic field and hence a magnetic flux through the circuit. The ratio of the magnetic flux to the current is called the inductance, or more accurately self-inductance of the circuit. [Wikipedia]\n\nThis class contains the following instance(s): \"Abhenry\", \"Henry\", \"Micro Henry\", \"Milli Henry\", \"Stathenry\".".
• LinearThermalExpansionUnit description "When the temperature of a substance changes, the energy that is stored in the intermolecular bonds between atoms changes. When the stored energy increases, so does the length of the molecular bonds. As a result, solids typically expand in response to heating and contract on cooling; this dimensional response to temperature change is expressed by its coefficient of thermal expansion.\n\nDifferent coefficients of thermal expansion can be defined for a substance depending on whether the expansion is measured by:\n\n * linear thermal expansion\n * area thermal expansion\n * volumetric thermal expansion\n\nThese characteristics are closely related. The volumetric thermal expansion coefficient can be defined for both liquids and solids. The linear thermal expansion can only be defined for solids, and is common in engineering applications.\n\nSome substances expand when cooled, such as freezing water, so they have negative thermal expansion coefficients. [Wikipedia]".
• LinearVelocityUnit description "Linear Velocity units measure change of length per unit time. Examples include meters per second, miles per hour, knots, etc.".
• MagneticFieldStrengthUnit description "A magnetic field is a vector field that permeates space and which can exert a magnetic force on moving electric charges and on magnetic dipoles (such as permanent magnets). [Wikipedia] The strength of a magnetic field at a point in space is the magnitude of the field vector at that point.\n\nThis class contains the following instance(s): \"Ampere per meter\", \"Ampere turn per inch\", \"Ampere turn per meter\", \"Oersted\".".
• MagneticFluxUnit description "Magnetic flux is a measure of quantity of magnetism, taking into account the strength and the extent of a magnetic field. The SI unit of magnetic flux is the weber (in derived units: volt-seconds), and the unit of magnetic field is the weber per square meter, or tesla. [Wikipedia]\n\nThis class contains the following instance(s): \"Maxwell\", \"Unit pole\", \"Weber\".".
• MagnetomotiveForceUnit description "Magnetomotive force is any physical cause that produces magnetic flux. In other words, it is a field of magnetism (measured in tesla) that has area (measured in square meters), so that (Tesla)(Area)= Flux. It is analogous to electromotive force or voltage in electricity. MMF usually describes electric wire coils in a way so scientists can measure or predict the actual force a wire coil can generate. [Wikipedia]\n\nThis class contains the following instance(s): \"Ampere turn\", \"Gilbert\", \"Oersted centimeter\", \"Unit pole\".".
• PowerPerElectricChargeUnit description "The ratio of power to electric charge is proportional to the rate of change of electric potential.".
• ResistanceUnit description "Electrical resistance is a ratio of the degree to which an object opposes an electric current through it, measured in ohms. Its reciprocal quantity is electrical conductance measured in siemens.\n\nThis class contains the following instance(s): \"Abohm\", \"Ohm\", \"Statohm\".".
• SignalDetectionThresholdUnit description "Signal relative to an underlying signal".
• SolidAngleUnit description "The solid angle subtended by a surface S is defined as the surface area of a unit sphere covered by the surface S's projection onto the sphere. A solid angle is related to the surface of a sphere in the same way an ordinary angle is related to the circumference of a circle. Since the total surface area of the unit sphere is 4*pi, the measure of solid angle will always be between 0 and 4*pi.".
• SpecificEnergyUnit description "Units which quantify specific energy, i.e. energy per unit mass.".
• SpecificHeatPressureUnit description "This class contains units of measure for specific heat capacity at a constant pressure.".
• SpecificHeatVolumeUnit description "This class contains units of measure for specific heat capacity at a constant volume.".
• TimeUnit description "Units that measure time.".
• TurbidityUnit description "Turbidity is the cloudiness or haziness of a fluid caused by individual particles (suspended solids) that are generally invisible to the naked eye, similar to smoke in air.".
• VolumePerTimeUnit description "A \"Space And Time\" Unit with the following instance(s): \"Cubic foot per minute\", \"Cubic foot per second\", \"Cubic inch per minute\", \"Cubic meter per second\", \"Cubic yard per minute\", \"Gallon per day\", \"Gallon per minute\".".
• VolumeThermalExpansionUnit description "When the temperature of a substance changes, the energy that is stored in the intermolecular bonds between atoms changes. When the stored energy increases, so does the length of the molecular bonds. As a result, solids typically expand in response to heating and contract on cooling; this dimensional response to temperature change is expressed by its coefficient of thermal expansion.\n\nDifferent coefficients of thermal expansion can be defined for a substance depending on whether the expansion is measured by:\n\n * linear thermal expansion\n * area thermal expansion\n * volumetric thermal expansion\n\nThese characteristics are closely related. The volumetric thermal expansion coefficient can be defined for both liquids and solids. The linear thermal expansion can only be defined for solids, and is common in engineering applications.\n\nSome substances expand when cooled, such as freezing water, so they have negative thermal expansion coefficients. \n\nFor exactly isotropic materials, the volumetric thermal expansion coefficient is very closely approximated as three times the linear coefficient. [Wikipedia]".