<!--

       Copyright 2011 Peter Murray-Rust et. al.

       Licensed under the Apache License, Version 2.0 (the "License");
       you may not use this file except in compliance with the License.
       You may obtain a copy of the License at

           http://www.apache.org/licenses/LICENSE-2.0

       Unless required by applicable law or agreed to in writing, software
       distributed under the License is distributed on an "AS IS" BASIS,
       WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
       See the License for the specific language governing permissions and
       limitations under the License.

-->

<unitTypeList
  namespace="http://www.xml-cml.org/units/unitTypes"
  title="unit type dictionary"
  siNamespace="http://www.xml-cml.org/units/siUnits"
  xmlns="http://www.xml-cml.org/schema"
  xsi:schemaLocation="http://www.xml-cml.org/schema ../../schema23/schema.xsd"
  xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
>	

<!--CML unitTypes-->
<unitType id="unknown"
  name="Unknown"
  title="Unknown">
  <definition>
  </definition>
  </unitType>

<unitType id="dimensionless"
  name="Dimensionless"
  title="Dimensionless">
  <definition>
  </definition>
  </unitType>

<unitType id="none"
  name="None"
  title="None">
  <definition>
  </definition>
  </unitType>

<!--SI base units-->
<unitType id="mass"
  name="Mass"
  title="Mass">
  <dimension name="mass" power="1"/>
  <definition>
  </definition>
  </unitType>

<unitType id="time"
  name="Time"
  title="Time">
  <dimension name="time" power="1"/>
  <definition>
  </definition>
  </unitType>

<unitType id="length"
  name="Length"
  title="Length">
  <dimension name="length" power="1"/>
  <definition>
  </definition>
  </unitType>

<unitType id="current"
  name="Electrical current"
  title="Electrical current">
  <dimension name="current" power="1"/>
  <definition>
  </definition>
  </unitType>

<unitType id="temperature"
  name="Temperature"
  title="Temperature">
  <dimension name="temperature" power="1"/>
  <definition>
  </definition>
  </unitType>

<unitType id="amount"
  name="Amount"
  title="Amount of substance">
  <dimension name="amount" power="1"/>
  <definition>
  </definition>
  </unitType>

<unitType id="luminous_intensity"
  name="Luminous intensity"
  title="Luminous intensity">
  <dimension name="luminous_intensity" power="1"/>
  <definition>
  </definition>
  </unitType>

<unitType id="angle"
  name="Angle"
  title="angle">
  <dimension name="angle" power="1"/>
  <definition>
  </definition>
  </unitType>
  
<unitType id="solid_angle"
  name="Solid ngle"
  title="solid_angle">
  <dimension name="solid_angle" power="1"/>
  <definition>
  </definition>
</unitType>

<!-- derived units, whose SI units have special names -->

<unitType id="frequency"
  name="Frequency"
  title="Frequency">
  <dimension name="time" power="-1"/>
  <definition>
  </definition>
  </unitType>

<unitType id="force"
  name="Force"
  title="Force">
  <dimension name="length" power="1"/>
  <dimension name="mass" power="1"/>
  <dimension name="time" power="-2"/>
  <definition>
  </definition>
  </unitType>

<unitType id="energy"
  name="Energy"
  title="energy">
  <dimension name="length" power="2"/>
  <dimension name="mass" power="1"/>
  <dimension name="time" power="-2"/>
  <definition>
  </definition>
  </unitType>

<unitType id="power"
  name="Power"
  title="Power">
  <dimension name="length" power="2"/>
  <dimension name="mass" power="1"/>
  <dimension name="time" power="-3"/>
  <definition>
  </definition>
  </unitType>

<unitType id="radiant_flux"
  name="Radiant flux"
  title="Radiant flux">
  <dimension name="length" power="2"/>
  <dimension name="mass" power="1"/>
  <dimension name="time" power="-3"/>
  <definition>
  </definition>
  </unitType>

<unitType id="pressure"
  name="Pressure"
  title="Pressure">
  <dimension name="length" power="-1"/>
  <dimension name="mass" power="1"/>
  <dimension name="time" power="-2"/>
  <definition>
  </definition>
  </unitType>

<unitType id="luminous_flux"
  name="Luminous flux"
  title="Luminous flux">
  <dimension name="cd" power="1"/>
  <dimension name="sr" power="1"/>
  <definition>
  </definition>
  </unitType>

<unitType id="illuminance"
  name="Illuminance"
  title="Illuminance">
  <dimension name="length" power="-2"/>
  <dimension name="cd" power="1"/>
  <definition>
  </definition>
  </unitType>

<unitType id="flux"
  name="Flux"
  title="Flux">
  <dimension name="time" power="1"/>
  <dimension name="current" power="1"/>
  <definition>
  </definition>
  </unitType>

<unitType id="electric_charge"
  name="Electric charge"
  title="Electric charge">
  <dimension name="time" power="1"/>
  <dimension name="current" power="1"/>
  <definition>
  </definition>
  </unitType>

<unitType id="electric_potential_difference"
  name="Electromotive force"
  title="Electrical potential difference, Electromotive force">
  <dimension name="length" power="2"/>
  <dimension name="mass" power="1"/>
  <dimension name="time" power="-3"/>
  <dimension name="current" power="-1"/>
  <definition>
  </definition>
  </unitType>

<unitType id="electric_resistance"
  name="Resistance"
  title="Resistance, reactance, impedance">
  <dimension name="length" power="2"/>
  <dimension name="mass" power="1"/>
  <dimension name="time" power="-3"/>
  <dimension name="current" power="-2"/>
  <definition>
  </definition>
  </unitType>

<!--

<unitType id="impedance"
  name="Impedance"
  title="Impedance">
  <dimension name="length" power="2"/>
  <dimension name="mass" power="1"/>
  <dimension name="time" power="-3"/>
  <dimension name="current" power="-2"/>
  <definition>
  </definition>
  </unitType>
-->

<unitType id="electric_capacitance"
  name="Electric capacitance"
  title="Electric capacitance">
  <dimension name="length" power="-2"/>
  <dimension name="mass" power="-1"/>
  <dimension name="time" power="4"/>
  <dimension name="current" power="2"/>
  <definition>
  </definition>
  </unitType>

<unitType id="magnetic_flux"
  name="Magnetic flux"
  title="Magnetic flux">
  <dimension name="length" power="2"/>
  <dimension name="mass" power="1"/>
  <dimension name="time" power="-2"/>
  <dimension name="current" power="-1"/>
  <definition>
  </definition>
  </unitType>

<unitType id="magnetic_flux_density"
  name="Magnetic flux density"
  title="Magnetic flux density, magnetic inductivity">
  <dimension name="mass" power="1"/>
  <dimension name="time" power="-2"/>
  <dimension name="current" power="-1"/>
  <definition>
  </definition>
  </unitType>

<unitType id="magnetic_inductance"
  name="Inductance"
  title="Inductance">
  <dimension name="length" power="2"/>
  <dimension name="mass" power="1"/>
  <dimension name="time" power="-2"/>
  <dimension name="current" power="-2"/>
  <definition>
  </definition>
  </unitType>

<unitType id="electric_conductance"
  name="Electric conductance"
  title="Electric conductance">
  <dimension name="length" power="-2"/>
  <dimension name="mass" power="-1"/>
  <dimension name="time" power="3"/>
  <dimension name="current" power="2"/>
  <definition>
  </definition>
  </unitType>

<unitType id="radioactivity"
  name="Radioactivity"
  title="Radioactivity (decay per unit time)">
  <dimension name="time" power="-1"/>
  <definition>
  </definition>
  </unitType>

<unitType id="radioactive_absorbed_dose"
  name="absorbed dose"
  title="absorbed dose (of ionising radiation)">
  <dimension name="length" power="2"/>
  <dimension name="time" power="-2"/>
  <definition>
  </definition>
  </unitType>

<unitType id="radioactive_equivalent_dose"
  name="equivalent dose"
  title="equivalent dose (of ionising radiation)">
  <dimension name="length" power="2"/>
  <dimension name="time" power="-2"/>
  <definition>
  </definition>
  </unitType>

<unitType id="catalytic_activity"
  name="Catalytic activity"
  title="Catalytic activity">
  <dimension name="time" power="-1"/>
  <dimension name="amount" power="1"/>
  <definition>
  </definition>
  </unitType>

<unitType id="molarity"
  name="Concentration"
  title="Concentration (moles of substance per volume of solution)">
  <dimension name="length" power="-3"/>
  <dimension name="amount" power="1"/>
  <definition>
  </definition>
  </unitType>

<unitType id="molality"
  name="Concentration"
  title="Concentration (moles of substance per mass of solution)">
  <dimension name="mass" power="-1"/>
  <dimension name="amount" power="1"/>
  <definition>
  </definition>
  </unitType>

<!-- derived units, whose SI units have no special names -->

<unitType id="area"
  name="Area"
  title="Area">
  <dimension name="length" power="2"/>
  <definition>
  </definition>
  </unitType>

<unitType id="volume"
  title="Volume"
  name="Volume">
  <dimension name="length" power="3"/>
  <definition>
  </definition>
  </unitType>

<unitType id="velocity"
  title="Velocity"
  name="Velocity">
  <dimension name="length" power="1"/>
  <dimension name="time" power="-1"/>
  <definition>
  </definition>
  </unitType>

<unitType id="acceleration"
  title="Acceleration"
  name="Acceleration">
  <dimension name="length" power="1"/>
  <dimension name="time" power="-2"/>
  <definition>
  </definition>
  </unitType>

<unitType id="angular_velocity"
  title="Angular velocity"
  name="Angular velocity">
  <dimension name="time" power="-1"/>
  <definition>
  </definition>
  </unitType>

<unitType id="momentum"
  name="Momentum"
  title="Momentum">
  <dimension name="mass" power="1"/>
  <dimension name="length" power="1"/>
  <dimension name="time" power="-1"/>
  <definition>
  </definition>
  </unitType>


<unitType id="angular_momentum"
  name="Angular_momentum"
  title="Angular momentum">
  <dimension name="mass" power="1"/>
  <dimension name="length" power="2"/>
  <dimension name="time" power="-1"/>
  <definition>
  </definition>
  </unitType>

<unitType id="torque"
  name="Torque"
  title="Torque, moment of force">
  <dimension name="mass" power="1"/>
  <dimension name="length" power="2"/>
  <dimension name="time" power="-2"/>
  <definition>
  </definition>
  </unitType>

<unitType id="wavenumber"
  name="Wavenumber"
  title="Wavenumber">
  <dimension name="length" power="-1"/>
  <definition>
  </definition>
  </unitType>

<unitType id="mass_density"
  title="Density"
  name="Density">
  <dimension name="mass" power="1"/>
  <dimension name="length" power="-3"/>
  <definition>
  </definition>
  </unitType>

<unitType id="specific_volume"
  name="specific volume"
  title="specific volume">
  <dimension name="mass" power="-1"/>
  <dimension name="length" power="3"/>
  <definition>
  </definition>
  </unitType>

<unitType id="amount_concentration"
  name="amount concentration"
  title="amount (-of-substance) concentration">
  <dimension name="length" power="-3"/>
  <dimension name="amount" power="1"/>
  <definition>
  </definition>
  </unitType>

<unitType id="molar_volume"
  name="molar volume"
  title="molar volume">
  <dimension name="length" power="3"/>
  <dimension name="amount" power="-1"/>
  <definition>
  </definition>
  </unitType>

<unitType id="heat_capacity"
  name="Entropy"
  title="Entropy, Heat Capacity">
  <dimension name="mass" power="1"/>
  <dimension name="length" power="2"/>
  <dimension name="time" power="-2"/>
  <dimension name="temp" power="-1"/>
  <definition>
  </definition>
  </unitType>

<unitType id="molar_heat_capacity"
  name="molar heat capacity"
  title="molar heat capacity">
  <dimension name="mass" power="1"/>
  <dimension name="length" power="2"/>
  <dimension name="time" power="-2"/>
  <dimension name="temp" power="-1"/>
  <dimension name="amount" power="-1"/>
  <definition>
  </definition>
  </unitType>

<unitType id="molar_entropy"
  name="molar entropy"
  title="molar entropy">
  <dimension name="mass" power="1"/>
  <dimension name="length" power="2"/>
  <dimension name="time" power="-2"/>
  <dimension name="temp" power="-1"/>
  <dimension name="amount" power="-1"/>
  <definition>
  </definition>
  </unitType>

<unitType id="specific_heat_capacity"
  name="Specific_heat_capacity"
  title="Specific heat capacity">
  <dimension name="length" power="2"/>
  <dimension name="time" power="-2"/>
  <dimension name="temp" power="-1"/>
  <definition>
  </definition>
  </unitType>

<unitType id="specific_entropy"
  name="Specific entropy"
  title="Specific entropy">
  <dimension name="length" power="2"/>
  <dimension name="time" power="-2"/>
  <dimension name="temp" power="-1"/>
  <definition>
  </definition>
  </unitType>

<unitType id="molar_energy"
  title="molar energy"
  name="molar energy">
  <dimension name="mass" power="1"/>
  <dimension name="length" power="2"/>
  <dimension name="time" power="-2"/>
  <dimension name="amount" power="-1"/>
  <definition>
  </definition>
  </unitType>

<unitType id="specific_energy"
  name="specific energy"
  title="specific energy">
  <dimension name="length" power="2"/>
  <dimension name="time" power="-2"/>
  <definition>
  </definition>
  </unitType>

<unitType id="energy_density"
  name="energy density"
  title="energy density">
  <dimension name="mass" power="1"/>
  <dimension name="length" power="-1"/>
  <dimension name="time" power="-2"/>
  <definition>
  </definition>
  </unitType>

<unitType id="surface_tension"
  name="Surface tension"
  title="Surface tension">
  <dimension name="mass" power="1"/>
  <dimension name="time" power="-2"/>
  <definition>
  </definition>
  </unitType>

<unitType id="heat_flux_density"
  name="heat flux density"
  title="heat flux density">
  <dimension name="mass" power="1"/>
  <dimension name="time" power="-3"/>
  <definition>
  </definition>
  </unitType>

<unitType id="irradiance"
  name="irradiance"
  title="irradiance">
  <dimension name="mass" power="1"/>
  <dimension name="time" power="-3"/>
  <definition>
  </definition>
  </unitType>

<unitType id="thermal_conductivity"
  name="Thermal_conductivity"
  title="Thermal conductivity">
  <dimension name="mass" power="1"/>
  <dimension name="length" power="1"/>
  <dimension name="time" power="-3"/>
  <dimension name="temp" power="-1"/>
  <definition>
  </definition>
  </unitType>


<unitType id="kinematic_viscosity"
  name="Diffusion coefficient"
  title="Diffusion coefficient, kinematic viscosity">
  <dimension name="length" power="2"/>
  <dimension name="time" power="-1"/>
  <definition>
  </definition>
  </unitType>

<unitType id="dynamic_viscosity"
  name="Viscosity"
  title="Dynamic Viscosity">
  <dimension name="mass" power="1"/>
  <dimension name="length" power="-1"/>
  <dimension name="time" power="-1"/>
  <definition>
  </definition>
  </unitType>

<unitType id="electric_charge_density"
  name="electric charge density"
  title="electric charge density">
  <dimension name="length" power="-3"/>
  <dimension name="time" power="1"/>
  <dimension name="current" power="1"/>
  <definition>
  </definition>
  </unitType>

<unitType id="electric_current_density"
  name="electric current density"
  title="electric current density">
  <dimension name="current" power="1"/>
  <dimension name="length" power="-2"/>
  <definition>
  </definition>
  </unitType>

<unitType id="electrical_conductivity"
  name="Electrical_conductivity"
  title="Electrical conductivity">
  <dimension name="mass" power="-1"/>
  <dimension name="length" power="-3"/>
  <dimension name="time" power="3"/>
  <dimension name="current" power="2"/>
  <definition>
  </definition>
  </unitType>

<unitType id="molar_conductivity"
  name="molar conductivity"
  title="molar conductivity">
  <dimension name="mass" power="-1"/>
  <dimension name="time" power="3"/>
  <dimension name="amount" power="-1"/>
  <dimension name="current" power="2"/>
  <definition>
  </definition>
  </unitType>

<unitType id="permittivity"
  name="Permittivity"
  title="Permittivity">
  <dimension name="mass" power="-1"/>
  <dimension name="length" power="-3"/>
  <dimension name="time" power="4"/>
  <dimension name="current" power="2"/>
  <definition>
  </definition>
  </unitType>

<unitType id="permeability"
  name="Permeability"
  title="Permeability (electromagnetism)">
  <dimension name="mass" power="1"/>
  <dimension name="length" power="1"/>
  <dimension name="time" power="-2"/>
  <dimension name="current" power="-2"/>
  <definition>
  </definition>
  </unitType>

<unitType id="electric_field_strength"
  name="Electric_field strength"
  title="Electric field strength">
  <dimension name="mass" power="1"/>
  <dimension name="length" power="1"/>
  <dimension name="time" power="-3"/>
  <dimension name="current" power="-1"/>
  <definition>
  </definition>
  </unitType>

<unitType id="magnetic_field_strength"
  name="Magnetic_field"
  title="Magnetic field strength">
  <dimension name="current" power="1"/>
  <dimension name="length" power="-1"/>
  <definition>
  </definition>
  </unitType>

<unitType id="luminance"
  name="Luminance"
  title="Luminance">
  <dimension name="luminous" power="1"/>
  <dimension name="length" power="-2"/>
  <definition>
  </definition>
  </unitType>

<unitType id="exposure"
  name="exposure"
  title="exposure (X and gamma rays)">
  <dimension name="mass" power="-1"/>
  <dimension name="time" power="1"/>
  <dimension name="current" power="1"/>
  <definition>
  </definition>
  </unitType>

<unitType id="absorbed_dose_rate"
  name="absorbed dose rate"
  title="absorbed dose rate">
  <dimension name="length" power="2"/>
  <dimension name="time" power="-3"/>
  <definition>
  </definition>
  </unitType>

<!-- locally created unitTypes -->
<unitType id="energy_length_gradient"
  name="energy_length_gradient"
  title="energy_length_gradient">
  <dimension name="mass" power="1"/>
  <dimension name="length" power="1"/>
  <dimension name="time" power="-2"/>
  <definition>
  Gradient of energy with respct to length.
  </definition>
  </unitType>


  </unitTypeList>
