#
# Prefixes
#

@prefix dce: <http://purl.org/dc/elements/1.1/>.
@prefix math: <http://sweet.jpl.nasa.gov/2.0/math.owl#>.
@prefix owl: <http://www.w3.org/2002/07/owl#>.
@prefix phys: <http://sweet.jpl.nasa.gov/2.0/phys.owl#>.
@prefix physDynamics: <http://sweet.jpl.nasa.gov/2.0/physDynamics.owl#>.
@prefix physThermo: <http://sweet.jpl.nasa.gov/2.0/physThermo.owl#>.
@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#>.
@prefix skos: <http://www.w3.org/2004/02/skos/core#>.
@prefix snomedct: <http://www.ihtsdo.org/>.
@prefix space: <http://sweet.jpl.nasa.gov/2.0/space.owl#>.
@prefix time: <http://sweet.jpl.nasa.gov/2.0/time.owl#>.
@prefix units: <http://sweet.jpl.nasa.gov/2.0/sciUnits.owl#>.
@prefix xsd: <http://www.w3.org/2001/XMLSchema#>.

@prefix quex: <http://eulersharp.sourceforge.net/2003/03swap/quantitiesExtension#>.

@prefix clinskosch: <http://www.agfa.com/w3c/2009/clinicalSKOSSchemes#>.

@prefix unex: <http://eulersharp.sourceforge.net/2003/03swap/unitsExtension#>.

unex:
	a owl:Ontology;
	dce:title """Units Extension"""@en;
	dce:creator """Hans Cools, Pieterjan De Potter, Pedro Debevere"""@en;
	dce:description """Formal description of units, as an extension of NASA's sciUnits ontology."""@en;
	dce:format """OWL Full"""@en;
	dce:identifier """unex"""@en;
	dce:language """English"""@en.

#	Prefix instances

# deci
unex:deci
	a units:Prefix;
	rdfs:isDefinedBy unex:;
	units:hasSymbol """d""";
	units:hasValue "1e-01"^^xsd:double.

# pico
unex:pico
	a units:Prefix;
	rdfs:isDefinedBy unex:;
	units:hasSymbol """p""";
	units:hasValue "1e-12"^^xsd:double.

# femto
unex:femto
	a units:Prefix;
	rdfs:isDefinedBy unex:;
	units:hasSymbol """f""";
	units:hasValue "1e-15"^^xsd:double.

# atto
unex:atto
	a units:Prefix;
	rdfs:isDefinedBy unex:;
	units:hasSymbol """a""";
	units:hasValue "1e-18"^^xsd:double.

# zepto
unex:zepto
	a units:Prefix;
	rdfs:isDefinedBy unex:;
	units:hasSymbol """z""";
	units:hasValue "1e-21"^^xsd:double.

# yocto
unex:yocto
	a units:Prefix;
	rdfs:isDefinedBy unex:;
	units:hasSymbol """y""";
	units:hasValue "1e-24"^^xsd:double.

######################################################
#	Temperature
######################################################
# kelvin, defined in NASA sciUnits
units:kelvin
	rdfs:label """kelvin"""@en;
	quex:unitOf physThermo:Temperature;
	rdfs:subClassOf snomedct:STCID_258713009;
	skos:exactMatch [
		a skos:Concept;
		skos:inScheme clinskosch:sct20080731;
		skos:notation "258713009"^^clinskosch:sctDT
	].

# degree Celcius, defined in NASA sciUnits
units:degreeC
	rdfs:label """degrees C"""@en;
	quex:unitOf physThermo:Temperature;
	rdfs:subClassOf snomedct:STCID_258712007;
	skos:exactMatch [
		a skos:Concept;
		skos:inScheme clinskosch:sct20080731;
		skos:notation "258712007"^^clinskosch:sctDT
	].

# degree Fahrenheit, defined in NASA sciUnits
units:degreeF
	rdfs:label """degrees F"""@en;
	quex:unitOf physThermo:Temperature;
	rdfs:subClassOf snomedct:STCID_258712004;
	skos:exactMatch [
		a skos:Concept;
		skos:inScheme clinskosch:sct20080731;
		skos:notation "258712004"^^clinskosch:sctDT
	].
	
######################################################
#	Length
######################################################
# space:Length 
# meter, m
# defined in NASA sciUnits
units:meter
	rdfs:label """meter"""@en;
	skos:definition """The metre is the length of the path travelled by light in vacuum during a time interval of 1/299 792 458 of a second."""@en;
	quex:unitOf space:Length;
	rdfs:subClassOf snomedct:STCID_258669008;
	skos:exactMatch [
		a skos:Concept;
		skos:inScheme clinskosch:sct20080731;
		skos:notation "258669008"^^clinskosch:sctDT
	].

# decimeter, dm
unex:decimeter
	a rdfs:Class;
	rdfs:isDefinedBy unex:;
	rdfs:label """decimeter"""@en;
	a units:UnitDerivedByScaling;
	units:derivedFromUnit units:meter;
	units:hasPrefix unex:deci;
	units:hasSymbol """dm""";
	quex:unitOf space:Length;
	rdfs:subClassOf snomedct:STCID_258671008;
	skos:exactMatch [
		a skos:Concept;
		skos:inScheme clinskosch:sct20080731;
		skos:notation "258671008"^^clinskosch:sctDT
	].

# centimeter, cm
# defined, units:centimeter
units:centimeter
	rdfs:label """centimeter"""@en;
	quex:unitOf space:Length;
	units:hasSymbol """cm""";
	rdfs:subClassOf snomedct:STCID_258672001;
	skos:exactMatch [
		a skos:Concept;
		skos:inScheme clinskosch:sct20080731;
		skos:notation "258672001"^^clinskosch:sctDT
	].

# millimeter, mm
# defined, units:millimeter
units:millimeter
	rdfs:label """millimeter"""@en;
	quex:unitOf space:Length;
	units:hasSymbol """mm""";
	rdfs:subClassOf snomedct:STCID_258673006;
	skos:exactMatch [
		a skos:Concept;
		skos:inScheme clinskosch:sct20080731;
		skos:notation "258673006"^^clinskosch:sctDT
	].

# micrometer, µm
# defined, units:micrometer
units:micrometer
	rdfs:label """micrometer"""@en;
	quex:unitOf space:Length;
	units:hasSymbol """µm""";
	rdfs:subClassOf snomedct:STCID_258674000;
	skos:exactMatch [
		a skos:Concept;
		skos:inScheme clinskosch:sct20080731;
		skos:notation "258674000"^^clinskosch:sctDT
	].

# nanometer, nm
# defined, units:nanometer
units:nanometer
	rdfs:label """nanometer"""@en;
	quex:unitOf space:Length;
	units:hasSymbol """nm""";
	rdfs:subClassOf snomedct:STCID_258675004;
	skos:exactMatch [
		a skos:Concept;
		skos:inScheme clinskosch:sct20080731;
		skos:notation "258675004"^^clinskosch:sctDT
	].

# picometer, pm
unex:picometer
	a units:UnitDerivedByScaling;
	rdfs:isDefinedBy unex:;
	units:derivedFromUnit units:meter;
	units:hasPrefix unex:pico;
	quex:unitOf space:Length;
	units:hasSymbol """pm""".
	# SNOMED CT code NOT found

######################################################
#	Mass
######################################################
# kilogram, kg
# defined, units:kilogram
units:kilogram
	rdfs:label """kilogram"""@en;
	skos:definition """The kilogram is the unit of mass; it is equal to the mass of the international prototype of the kilogram."""@en;
	quex:unitOf phys:Mass;
	rdfs:subClassOf snomedct:SCTID_258683005;
	skos:exactMatch [
		a skos:Concept;
		skos:inScheme clinskosch:sct20080731;
		skos:notation "258683005"^^clinskosch:sctDT
	].

# gram, g
unex:gram
	a rdfs:Class;
	rdfs:isDefinedBy unex:;
	rdfs:label """gram"""@en;
	a units:UnitDerivedByScaling;
	units:derivedFromUnit units:kilogram;
	quex:unitOf phys:Mass;
	units:hasSymbol """g""";
	rdfs:subClassOf snomedct:SCTID_258682000;
	skos:exactMatch [
		a skos:Concept;
		skos:inScheme clinskosch:sct20080731;
		skos:notation "258682000"^^clinskosch:sctDT
	].

# milligram, mg
unex:milligram
	a rdfs:Class;
	rdfs:isDefinedBy unex:;
	rdfs:label """milligram"""@en;
	a units:UnitDerivedByScaling;
	units:derivedFromUnit unex:gram;
	units:hasPrefix units:milli;
	quex:unitOf phys:Mass;
	units:hasSymbol """mg""";
	rdfs:subClassOf snomedct:STCID_258684004;
	skos:exactMatch [
		a skos:Concept;
		skos:inScheme clinskosch:sct20080731;
		skos:notation "258684004"^^clinskosch:sctDT
	].
	
# microgram, µg
unex:microgram
	a rdfs:Class;
	rdfs:isDefinedBy unex:;
	rdfs:label """microgram"""@en;
	a units:UnitDerivedByScaling;
	units:derivedFromUnit unex:gram;
	units:hasPrefix units:micro;
	quex:unitOf phys:Mass;
	units:hasSymbol """µg""";
	rdfs:subClassOf snomedct:STCID_258685003;
	skos:exactMatch [
		a skos:Concept;
		skos:inScheme clinskosch:sct20080731;
		skos:notation "258685003"^^clinskosch:sctDT
	].
	
# nanogram, ng
unex:nanogram
	a rdfs:Class;
	rdfs:isDefinedBy unex:;
	rdfs:label """nanogram"""@en;
	a units:UnitDerivedByScaling;
	units:derivedFromUnit unex:gram;
	units:hasPrefix units:nano;
	quex:unitOf phys:Mass;
	units:hasSymbol """ng""";
	rdfs:subClassOf snomedct:SCTID_258686002;
	skos:exactMatch [
		a skos:Concept;
		skos:inScheme clinskosch:sct20080731;
		skos:notation "258686002"^^clinskosch:sctDT
	].

# picogram, pg
unex:picogram
	a rdfs:Class;
	rdfs:isDefinedBy unex:;
	rdfs:label """picogram"""@en;
	a units:UnitDerivedByScaling;
	units:derivedFromUnit unex:gram;
	units:hasPrefix unex:pico;
	quex:unitOf phys:Mass;
	units:hasSymbol """pg""";
	rdfs:subClassOf snomedct:SCTID_258687006;
	skos:exactMatch [
		a skos:Concept;
		skos:inScheme clinskosch:sct20080731;
		skos:notation "258687006"^^clinskosch:sctDT
	].

######################################################
#	Time
######################################################
# second, s
# defined, units:second
units:second
	rdfs:label """second"""@en;
	skos:definition """Duration of 9 192 631 770 periods of the radiation corresponding to the transition between the two hyperfine levels of the ground state of the caesium 133 atom."""@en;
	quex:unitOf time:Time;
	rdfs:subClassOf snomedct:SCTID_257997001;
	skos:exactMatch [
		a skos:Concept;
		skos:inScheme clinskosch:sct20080731;
		skos:notation "257997001"^^clinskosch:sctDT
	].
	
# millisecond, ms
unex:millisecond
	a rdfs:Class;
	rdfs:isDefinedBy unex:;
	rdfs:label """millisecond"""@en;
	a units:UnitDerivedByScaling;
	units:derivedFromUnit units:second;
	units:hasPrefix units:milli;
	quex:unitOf time:Time;
	units:hasSymbol """ms""";
	rdfs:subClassOf snomedct:SCTID_258697002;
	skos:exactMatch [
		a skos:Concept;
		skos:inScheme clinskosch:sct20080731;
		skos:notation "258697002"^^clinskosch:sctDT
	].

# minute, min
# defined, units:minute
units:minute
	rdfs:label """minute"""@en;
	units:hasSymbol """min""";
	quex:unitOf time:Time;
	rdfs:subClassOf snomedct:SCTID_258701004;
	skos:exactMatch [
		a skos:Concept;
		skos:inScheme clinskosch:sct20080731;
		skos:notation "258701004"^^clinskosch:sctDT
	].

# hour, h
# defined, units:hour
units:hour
	rdfs:label """hour"""@en;
	units:hasSymbol """h""";
	quex:unitOf time:Time;
	rdfs:subClassOf snomedct:SCTID_258702006;
	skos:exactMatch [
		a skos:Concept;
		skos:inScheme clinskosch:sct20080731;
		skos:notation "258702006"^^clinskosch:sctDT
	].

# day, d
unex:day
	a units:UnitDerivedByScaling;
	rdfs:isDefinedBy unex:;
	rdfs:label """day"""@en;
	units:derivedFromUnit units:second;
	units:hasScalingNumber "86400.0e+00"^^xsd:double;
	quex:unitOf time:Time;
	units:hasSymbol """d""";
	rdfs:subClassOf snomedct:SCTID_258703001;
	skos:exactMatch [
		a skos:Concept;
		skos:inScheme clinskosch:sct20080731;
		skos:notation "258703001"^^clinskosch:sctDT
	].

# week
# defined, units:week
units:week
	rdfs:label """week"""@en;
	quex:unitOf time:Time;
	rdfs:subClassOf snomedct:SCTID_258705008;
	skos:exactMatch [
		a skos:Concept;
		skos:inScheme clinskosch:sct20080731;
		skos:notation "258705008"^^clinskosch:sctDT
	].

# month
# defined, units:month
units:month
	rdfs:label """month"""@en;
	quex:unitOf time:Time;
	units:hasSymbol """m""";
	rdfs:subClassOf snomedct:SCTID_258706009;
	skos:exactMatch [
		a skos:Concept;
		skos:inScheme clinskosch:sct20080731;
		skos:notation "258706009"^^clinskosch:sctDT
	].
	
# year
# defined, units:year
units:year
	rdfs:label """year"""@en;
	quex:unitOf time:Time;
	units:hasSymbol """y""";
	rdfs:subClassOf snomedct:SCTID_258707000;
	skos:exactMatch [
		a skos:Concept;
		skos:inScheme clinskosch:sct20080731;
		skos:notation "258707000"^^clinskosch:sctDT
	].

# decade
# defined, units:decade
units:decade
	quex:unitOf time:Time.
# SNOMED CT code NOT found

# century
# defined, units:century
units:century
	quex:unitOf time:Time.
# SNOMED CT code NOT found
	
######################################################
#	Volume
######################################################
# m^3
# defined, units:meterCubed
units:meterCubed
	rdfs:label """cubic meter"""@en;
	units:hasSymbol """m^3""";
	quex:unitOf space:Volume;
	rdfs:subClassOf snomedct:SCTID_396154006;
	skos:exactMatch [
		a skos:Concept;
		skos:inScheme clinskosch:sct20080731;
		skos:notation "396154006"^^clinskosch:sctDT
	].

# dm^3
unex:decimeterCubed
	a units:UnitDerivedByRaisingToPower;
	rdfs:isDefinedBy unex:;
	rdfs:label """cubic decimeter"""@en;
	units:derivedFromUnit unex:decimeter;
	units:hasPower "3"^^xsd:double;
	quex:unitOf space:Volume;
	owl:equivalentClass unex:liter;
	units:hasSymbol """dm^3""";
	# SNOMED CT code NOT found
	# liter? 258770004
	rdfs:subClassOf snomedct:SCTID_258770004;
	skos:exactMatch [
		a skos:Concept;
		skos:inScheme clinskosch:sct20080731;
		skos:notation "258770004"^^clinskosch:sctDT
	].
	
# cm^3
unex:centimeterCubed
	a units:UnitDerivedByRaisingToPower;
	rdfs:isDefinedBy unex:;
	rdfs:label """cubic centimeter"""@en;
	units:derivedFromUnit units:centimeter;
	units:hasPower "3"^^xsd:double;
	quex:unitOf space:Volume;
	units:hasSymbol """cm^3""",
		"""cc""";
	rdfs:subClassOf snomedct:SCTID_258773002;
	skos:exactMatch [
		a skos:Concept;
		skos:inScheme clinskosch:sct20080731;
		skos:notation "258773002"^^clinskosch:sctDT
	].
	
# liter, L
unex:liter
	a rdfs:Class;
	rdfs:isDefinedBy unex:;
	rdfs:label """liter"""@en;
	quex:unitOf space:Volume;
	owl:equivalentClass unex:decimeterCubed;
	units:hasSymbol """L""";
	rdfs:subClassOf snomedct:SCTID_258770004;
	skos:exactMatch [
		a skos:Concept;
		skos:inScheme clinskosch:sct20080731;
		skos:notation "258770004"^^clinskosch:sctDT
	].

# deciliter, dL
unex:deciliter
	a units:UnitDerivedByScaling;
	rdfs:isDefinedBy unex:;
	rdfs:label """deciliter"""@en;
	units:derivedFromUnit unex:liter;
	units:hasPrefix unex:deci;
	quex:unitOf space:Volume;
	units:hasSymbol """dL""";
	rdfs:subClassOf snomedct:SCTID_258771000;
	skos:exactMatch [
		a skos:Concept;
		skos:inScheme clinskosch:sct20080731;
		skos:notation "258771000"^^clinskosch:sctDT
	].

# centiliter, cL
unex:centiliter
	a units:UnitDerivedByScaling;
	rdfs:isDefinedBy unex:;
	rdfs:label """centiliter"""@en;
	units:derivedFromUnit unex:liter;
	units:hasPrefix units:centi;
	quex:unitOf space:Volume;
	units:hasSymbol """cL""";
	rdfs:subClassOf snomedct:SCTID_258772007;
	skos:exactMatch [
		a skos:Concept;
		skos:inScheme clinskosch:sct20080731;
		skos:notation "258772007"^^clinskosch:sctDT
	].
	
# milliliter, mL
unex:milliliter
	a units:UnitDerivedByScaling;
	rdfs:isDefinedBy unex:;
	rdfs:label """milliliter"""@en;
	units:derivedFromUnit unex:liter;
	owl:equivalentClass unex:centimeterCubed;
	units:hasPrefix units:milli;
	quex:unitOf space:Volume;
	units:hasSymbol """mL""";
	rdfs:subClassOf snomedct:SCTID_258773002;
	skos:exactMatch [
		a skos:Concept;
		skos:inScheme clinskosch:sct20080731;
		skos:notation " 258773002"^^clinskosch:sctDT
	].

######################################################
#	Amount of substance
######################################################

# mole
units:mole
	rdfs:label """mole"""@en;
	quex:unitOf quex:AmountOfSubstance;
	skos:definition """The mole is the amount of substance of a system which contains as many elementary entities as there are atoms in 0.012 kilogram of carbon 12; its symbol is “mol�"""@en;
	rdfs:subClassOf snomedct:SCTID_258717005;
	skos:exactMatch [
		a skos:Concept;
		skos:inScheme clinskosch:sct20080731;
		skos:notation "258717005"^^clinskosch:sctDT
	].

# millimole, mmole
unex:millimole
	a units:UnitDerivedByScaling;
	rdfs:isDefinedBy unex:;
	rdfs:label """millimole"""@en;
	units:derivedFromUnit units:mole;
	units:hasPrefix units:milli;
	quex:unitOf quex:AmountOfSubstance;
	units:hasSymbol """mmol""";
	rdfs:subClassOf snomedct:SCTID_258718000;
	skos:exactMatch [
		a skos:Concept;
		skos:inScheme clinskosch:sct20080731;
		skos:notation "258718000"^^clinskosch:sctDT
	].
	
# micromole, µmole
unex:micromole
	a units:UnitDerivedByScaling;
	rdfs:isDefinedBy unex:;
	rdfs:label """micromole"""@en;
	units:derivedFromUnit units:mole;
	units:hasPrefix units:micro;
	quex:unitOf quex:AmountOfSubstance;
	units:hasSymbol """µmol""";
	rdfs:subClassOf snomedct:SCTID_258719008;
	skos:exactMatch [
		a skos:Concept;
		skos:inScheme clinskosch:sct20080731;
		skos:notation "258719008"^^clinskosch:sctDT
	].

######################################################
#	Pressure
######################################################
# pascal
# defined, units:pascal
units:pascal
	rdfs:label """pascal"""@en;
	quex:unitOf phys:Pressure;
	rdfs:subClassOf snomedct:SCTID_259016002;
	skos:exactMatch [
		a skos:Concept;
		skos:inScheme clinskosch:sct20080731;
		skos:notation "259016002"^^clinskosch:sctDT
	].

# mmHg
unex:mmHg
	a units:UnitDerivedByScaling;
	rdfs:isDefinedBy unex:;
	rdfs:label """millimetre of mercury"""@en;
	units:derivedFromUnit units:pascal;
	units:hasScalingNumber "133.322"^^xsd:double;
	quex:unitOf phys:Pressure;
	units:hasSymbol """mmHg""";
	a rdfs:Class;
	rdfs:isDefinedBy unex:;
	rdfs:label """millimeters of mercury"""@en;
	rdfs:comment """760 mmHg corresponds with 101.325 kPa."""@en;
	rdfs:subClassOf snomedct:SCTID_259018001;
	skos:exactMatch [
		a skos:Concept;
		skos:inScheme clinskosch:sct20080731;
		skos:notation "259018001"^^clinskosch:sctDT
	].
	
######################################################
#	Ratio		note: "math:Ratio sco math:Division sco math:BinaryOperation sco math:Operation"
######################################################

#units:ratio a units:BaseUnit

units:percent
	rdfs:label """percent"""@en;
	skos:definition """Unit of ratio with base (denominator) 100."""@en;
	units:hasSymbol """%""";
	rdfs:subClassOf snomedct:SCTID_118582008;
	skos:exactMatch [
		a skos:Concept;
		skos:inScheme clinskosch:sct20080731;
		skos:notation "118582008"^^clinskosch:sctDT
	].
 
######################################################
#	Frequency
######################################################

units:hertz
	rdfs:label """hertz"""@en;
	skos:definition """Number of cycles per second."""@en;
	skos:note """SI unit of frequency"""@en;
	quex:unitOf quex:Frequency;
	rdfs:subClassOf snomedct:SCTID_259025008;
	skos:exactMatch [
		a skos:Concept;
		skos:inScheme clinskosch:sct20080731;
		skos:notation "259025008"^^clinskosch:sctDT
	].
	
unex:perMinute
	a units:UnitDerivedByRaisingToPower;
	rdfs:isDefinedBy unex:;
	rdfs:label """per minute"""@en;
	#skos:definition """ """@en;
	units:derivedFromUnit units:minute;
	math:hasPower "-1.0e+00"^^xsd:double;
	quex:unitOf quex:Frequency;
	units:hasSymbol """1/min""";
	rdfs:subClassOf snomedct:SCTID_286549009;
	skos:exactMatch [
		a skos:Concept;
		skos:inScheme clinskosch:sct20080731;
		skos:notation "286549009"^^clinskosch:sctDT
	].

unex:cyclesPerMinute
	a units:ComplexUnit;
	a units:UnitDerivedByScaling;
	rdfs:isDefinedBy unex:;
	rdfs:label """cycles per minute"""@en;
	quex:unitOf quex:Frequency;
	skos:definition """Number of cycles per minute"""@en;
	math:productOf unex:perMinute;
	units:derivedFromUnit units:hertz;
	units:hasScalingNumber "60"^^xsd:double;
	units:hasSymbol """cycles/min""".
	# e.g. respiration cycle, heart pumping cycle

unex:beatsPerMinute
	a units:ComplexUnit;
	a units:UnitDerivedByScaling;
	rdfs:isDefinedBy unex:;
	rdfs:label """beats per minute"""@en;
	rdfs:subClassOf unex:cyclesPerMinute;
	units:hasSymbol """bpm""";
	rdfs:subClassOf snomedct:SCTID_258983007;
	skos:exactMatch [
		a skos:Concept;
		skos:inScheme clinskosch:sct20080731;
		skos:notation "258983007"^^clinskosch:sctDT
	].

# frequency of intake
unex:onceADay
	a units:UnitDerivedByScaling;
	rdfs:isDefinedBy unex:;
	rdfs:label """once a day"""@en;
	units:derivedFromUnit units:hertz;
	units:hasScalingNumber "1.1574e-5"^^xsd:double;
	quex:unitOf quex:Frequency;
	units:hasSymbol """o.d.""";
	rdfs:subClassOf snomedct:SCTID_229797004;
	skos:exactMatch [
		a skos:Concept;
		skos:inScheme clinskosch:sct20080731;
		skos:notation "229797004"^^clinskosch:sctDT
	].

unex:twiceADay
	a units:UnitDerivedByScaling;
	rdfs:isDefinedBy unex:;
	rdfs:label """twice a day"""@en;
	units:derivedFromUnit units:hertz;
	units:hasScalingNumber "2.3148e-5"^^xsd:double;
	quex:unitOf quex:Frequency;
	units:hasSymbol """b.i.d.""";
	rdfs:subClassOf snomedct:SCTID_229799001;
	skos:exactMatch [
		a skos:Concept;
		skos:inScheme clinskosch:sct20080731;
		skos:notation "229799001"^^clinskosch:sctDT
	].
	
unex:thriceADay
	a units:UnitDerivedByScaling;
	rdfs:isDefinedBy unex:;
	rdfs:label """thrice a day"""@en;
	units:derivedFromUnit units:hertz;
	units:hasScalingNumber "3.4722e-5"^^xsd:double;
	quex:unitOf quex:Frequency;
	units:hasSymbol """t.i.d.""";
	rdfs:subClassOf snomedct:SCTID_229798009;
	skos:exactMatch [
		a skos:Concept;
		skos:inScheme clinskosch:sct20080731;
		skos:notation "229798009"^^clinskosch:sctDT
	].

######################################################
#	Digital size
######################################################

unex:bit
	a units:Unit;
	rdfs:isDefinedBy unex:;
	quex:unitOf quex:DigitalSize;
	units:hasSymbol """b""";
	skos:definition """Basic unit of information storage and communication in digital computing and digital information theory. A binary digit, takes a value of either 0 or 1."""@en.
	
unex:byte
	a units:UnitDerivedByScaling;
	rdfs:isDefinedBy unex:;
	units:derivedFromUnit unex:bit;
	units:hasScalingNumber "8"^^xsd:double;
	quex:unitOf quex:DigitalSize;
	units:hasSymbol """B""";
	skos:definition """Eight bits"""@en.

unex:kiloByte
	a units:UnitDerivedByScaling;
	rdfs:isDefinedBy unex:;
	units:derivedFromUnit unex:byte;
	units:hasPrefix unex:kilo;
	quex:unitOf quex:DigitalSize;
	units:hasSymbol """KB""".

unex:megaByte
	a units:UnitDerivedByScaling;
	rdfs:isDefinedBy unex:;
	units:derivedFromUnit unex:byte;
	units:hasPrefix unex:mega;
	quex:unitOf quex:DigitalSize;
	units:hasSymbol """MB""".

unex:gigaByte
	a units:UnitDerivedByScaling;
	rdfs:isDefinedBy unex:;
	units:derivedFromUnit unex:byte;
	units:hasPrefix unex:giga;
	quex:unitOf quex:DigitalSize;
	units:hasSymbol """GB""".

unex:teraByte
	a units:UnitDerivedByScaling;
	rdfs:isDefinedBy unex:;
	units:derivedFromUnit unex:byte;
	units:hasPrefix unex:tera;
	quex:unitOf quex:DigitalSize;
	units:hasSymbol """TB""".

######################################################
#	electrical impedance
######################################################
# ohm
# defined, units:Ohm
units:ohm
	rdfs:label """ohm"""@en;
	skos:definition """1 ohm is the resistance between two points of a conductor when a constant potential difference of 1 volt, applied to these points, produces in the conductor a current of 1 ampere, the conductor not being the seat of any electromotive force."""@en;
	quex:unitOf phys:Impedance;
	rdfs:subClassOf snomedct:SCTID_282140003;
	skos:exactMatch [
		a skos:Concept;
		skos:inScheme clinskosch:sct20080731;
		skos:notation "282140003"^^clinskosch:sctDT
	].
	
######################################################
#	complex units
######################################################
#1/L
unex:perLiter
	a units:UnitDerivedByRaisingToPower;
	rdfs:isDefinedBy unex:;
	rdfs:label """per liter"""@en;
	units:derivedFromUnit unex:liter;
	units:hasPower "-1.0e+00"^^xsd:double;
	units:hasSymbol """1/L""".
	# SNOMED CT's U/L? 258947003

#1/dL
unex:perDeciliter
	a units:UnitDerivedByRaisingToPower;
	rdfs:isDefinedBy unex:;
	rdfs:label """per deciliter"""@en;
	units:derivedFromUnit unex:deciliter;
	units:hasPower "-1.0e+00"^^xsd:double;
	units:hasSymbol """1/dL""".
	# SNOMED CT's U/dl? 415783003

# 1/mL
unex:perMilliliter
	a units:UnitDerivedByRaisingToPower;
	rdfs:isDefinedBy unex:;
	rdfs:label """per milliliter"""@en;
	units:derivedFromUnit unex:milliliter;
	units:hasPower "-1.0e+00"^^xsd:double;
	units:hasSymbol """1/mL""";
	rdfs:subClassOf snomedct:SCTID_259035002;
	skos:exactMatch [
		a skos:Concept;
		skos:inScheme clinskosch:sct20080731;
		skos:notation "259035002"^^clinskosch:sctDT
	].
	
#----------------------------------------------------------------------------------------------------------------------------------------------------------------------

#	Concentration units

# ng/mL
unex:nanogramPerMilliliter
	a units:ComplexUnit;
	rdfs:isDefinedBy unex:;
	rdfs:label """nanogram per milliliter"""@en;
	quex:unitOf quex:SolutionConcentration;
	units:productOf unex:nanogram, unex:perMilliliter;
	units:hasSymbol """ng/mL""";
	rdfs:subClassOf snomedct:SCTID_258806002;
	skos:exactMatch [
		a skos:Concept;
		skos:inScheme clinskosch:sct20080731;
		skos:notation "258806002"^^clinskosch:sctDT
	].
	
# µg/mL
unex:microgramPerMilliliter
	a units:ComplexUnit;
	rdfs:isDefinedBy unex:;
	rdfs:label """microgram per milliliter"""@en;
	quex:unitOf quex:SolutionConcentration;
	units:productOf unex:microgram, unex:perMilliliter;
	units:hasSymbol """µg/mL""";
	rdfs:subClassOf snomedct:SCTID_258801007;
	skos:exactMatch [
		a skos:Concept;
		skos:inScheme clinskosch:sct20080731;
		skos:notation "258801007"^^clinskosch:sctDT
	].
	
# mg/L
unex:milligramPerLiter
	a units:ComplexUnit;
	rdfs:isDefinedBy unex:;
	quex:unitOf quex:SolutionConcentration;
	units:productOf unex:milligram, unex:perLiter;
	units:hasSymbol """mg/L""".

# mg/mL
unex:milligramPerMilliliter
	a units:ComplexUnit;
	rdfs:isDefinedBy unex:;
	quex:unitOf quex:SolutionConcentration;
	units:productOf unex:milligram, unex:perMilliliter;
	units:hasSymbol """mg/mL""".

# mg/dL
unex:milligramPerDeciliter
	a units:ComplexUnit;
	rdfs:isDefinedBy unex:;
	rdfs:label """milligram per deciliter"""@en;
	quex:unitOf quex:SolutionConcentration;
	units:productOf unex:milligram, unex:perDeciliter;
	units:hasSymbol """mg/dL""";
	rdfs:subClassOf snomedct:SCTID_258797006;
	skos:exactMatch [
		a skos:Concept;
		skos:inScheme clinskosch:sct20080731;
		skos:notation "258797006"^^clinskosch:sctDT
	].
		
# g/dL
unex:gramPerDeciliter
	a units:ComplexUnit;
	rdfs:isDefinedBy unex:;
	rdfs:label """gram per deciliter"""@en;
	quex:unitOf quex:SolutionConcentration;
	units:productOf unex:gram, unex:perDeciliter;
	units:hasSymbol """g/dL""";
	rdfs:subClassOf snomedct:SCTID_258795003;
	skos:exactMatch [
		a skos:Concept;
		skos:inScheme clinskosch:sct20080731;
		skos:notation "258795003"^^clinskosch:sctDT
	].
		
# g/L
unex:gramPerLiter
	a units:ComplexUnit;
	rdfs:isDefinedBy unex:;
	rdfs:label """gram per liter"""@en;
	quex:unitOf quex:SolutionConcentration;
	units:productOf unex:gram, unex:perLiter;
	units:hasSymbol """g/L""";
	rdfs:subClassOf snomedct:SCTID_258794004;
	skos:exactMatch [
		a skos:Concept;
		skos:inScheme clinskosch:sct20080731;
		skos:notation "258794004"^^clinskosch:sctDT
	].


# amount-of-substance concentration:

# mole per cubic meter, mol/m3

# µmol/L
unex:micromolePerLiter
	a units:ComplexUnit;
	rdfs:isDefinedBy unex:;
	rdfs:label """micromole per liter"""@en;
	quex:unitOf quex:SolutionConcentration;
	units:productOf unex:micromole, unex:perLiter;
	units:hasSymbol """µmol/L""";
	rdfs:subClassOf snomedct:SCTID_258814008;
	skos:exactMatch [
		a skos:Concept;
		skos:inScheme clinskosch:sct20080731;
		skos:notation "258814008"^^clinskosch:sctDT
	].
		
# mmol/L
unex:millimolePerLiter
	a units:ComplexUnit;
	rdfs:isDefinedBy unex:;
	rdfs:label """millimole per liter"""@en;
	quex:unitOf quex:SolutionConcentration;
	units:productOf unex:millimole, unex:perLiter;
	units:hasSymbol """mmol/L""";
	rdfs:subClassOf snomedct:SCTID_258813002;
	skos:exactMatch [
		a skos:Concept;
		skos:inScheme clinskosch:sct20080731;
		skos:notation "258813002"^^clinskosch:sctDT
	].

# U/ml
unex:unitsPerMilliliter
	a units:ComplexUnit;
	rdfs:isDefinedBy unex:;
	rdfs:label """units per milliliter"""@en;
	quex:unitOf quex:SolutionConcentration.
	# to complete

#----------------------------------------------------------------------------------------------------------------------------------------------------------------------

# µg/kg
unex:microgramPerKilogram
	a units:ComplexUnit;
	rdfs:isDefinedBy unex:;
	rdfs:label """microgram per kilogram"""@en;
	quex:unitOf quex:MassConcentration;
	units:productOf unex:microgram, units:perKilogram;
	units:hasSymbol """µg/kg""";
	rdfs:subClassOf snomedct:SCTID_258803005;
	skos:exactMatch [
		a skos:Concept;
		skos:inScheme clinskosch:sct20080731;
		skos:notation "258803005"^^clinskosch:sctDT
	].

# mg/kg
unex:milligramPerKilogram
	a units:ComplexUnit;
	rdfs:isDefinedBy unex:;
	rdfs:label """milligram per kilogram"""@en;
	quex:unitOf quex:MassConcentration;
	units:productOf unex:milligram, units:perKilogram;
	units:hasSymbol """mg/kg""";
	rdfs:subClassOf snomedct:SCTID_396163008;
	skos:exactMatch [
		a skos:Concept;
		skos:inScheme clinskosch:sct20080731;
		skos:notation "396163008"^^clinskosch:sctDT
	].

#----------------------------------------------------------------------------------------------------------------------------------------------------------------------
	
# m/s
# defined, units:meterPerSecond
units:meterPerSecond
	rdfs:label """meter per second"""@en;
	quex:unitOf physDynamics:Velocity;
	units:hasSymbol """m/s""";
	rdfs:subClassOf snomedct:SCTID_272090007;
	skos:exactMatch [
		a skos:Concept;
		skos:inScheme clinskosch:sct20080731;
		skos:notation "272090007"^^clinskosch:sctDT
	].

#cm/s
unex:centimeterPerSecond
	a units:ComplexUnit;
	rdfs:isDefinedBy unex:;
	rdfs:label """centimeter per second"""@en;
	units:productOf units:centimeter,
		units:perSecond;
	quex:unitOf physDynamics:Velocity;
	units:hasSymbol """cm/s""";
	rdfs:subClassOf snomedct:SCTID_258990002;
	skos:exactMatch [
		a skos:Concept;
		skos:inScheme clinskosch:sct20080731;
		skos:notation "258990002"^^clinskosch:sctDT
	].

# kg/m2
# defined, units:kilogramPerMeterSquare
units:kilogramPerMeterSquare
	rdfs:label """kilogram per square meter"""@en;
	units:hasSymbol """kg/m2""";
	rdfs:subClassOf snomedct:SCTID_258896009;
	skos:exactMatch [
		a skos:Concept;
		skos:inScheme clinskosch:sct20080731;
		skos:notation "258896009"^^clinskosch:sctDT
	].

# µg/min
unex:microgramPerMinute
	a units:ComplexUnit;
	rdfs:isDefinedBy unex:;
	rdfs:label """microgram per minute"""@en;
	units:productOf unex:microgram, unex:perMinute;
	units:hasSymbol """µg/min""";
	rdfs:subClassOf snomedct:SCTID_258837002;
	skos:exactMatch [
		a skos:Concept;
		skos:inScheme clinskosch:sct20080731;
		skos:notation "258837002"^^clinskosch:sctDT
	].
	
# mL/min
unex:milliliterPerMinute
	a units:ComplexUnit;
	rdfs:isDefinedBy unex:;
	rdfs:label """milliliter per minute"""@en;
	units:productOf unex:milliliter, unex:perMinute;
	units:hasSymbol """mL/min""";
	rdfs:subClassOf snomedct:SCTID_258859000;
	skos:exactMatch [
		a skos:Concept;
		skos:inScheme clinskosch:sct20080731;
		skos:notation "258859000"^^clinskosch:sctDT
	].
	
# mg/h
unex:milligramPerHour
	a units:ComplexUnit;
	rdfs:isDefinedBy unex:;
	rdfs:label """milligram per hour"""@en;
	units:productOf unex:milligram, units:perHour;
	units:hasSymbol """mg/h""";
	rdfs:subClassOf snomedct:SCTID_258834009;
	skos:exactMatch [
		a skos:Concept;
		skos:inScheme clinskosch:sct20080731;
		skos:notation "258834009"^^clinskosch:sctDT
	].

# mL/kg/h
unex:milliliterPerKilogramPerHour
	a units:ComplexUnit;
	rdfs:isDefinedBy unex:;
	rdfs:label """milliliter per kilogram per hour"""@en;
	units:productOf unex:milliliter, units:perKilogram, units:perHour;
	units:hasSymbol """mL/kg/h""";
	rdfs:subClassOf snomedct:SCTID_414739003;
	skos:exactMatch [
		a skos:Concept;
		skos:inScheme clinskosch:sct20080731;
		skos:notation "414739003"^^clinskosch:sctDT
	].

# µg/kg/min
unex:microgramPerKilogramPerMinute
	a units:ComplexUnit;
	rdfs:isDefinedBy unex:;
	units:productOf unex:microgram, units:perKilogram, unex:perMinute;
	units:hasSymbol """µg/kg/min""".

# units used in pharma, cf RXNORM
#meq/mg
#meq/ml
#mg/actuat
#mg/mg
#mg/ml
#ml/ml
#pnu/ml
#unt/mg