Srr several fixes (#941)

* Equated KiloCAL and KiloCAL_TH

* Fixed symbol for PPT

* Fixed latex for ReactivePower

vocab/quantitykinds/VOCAB_QUDT-QUANTITY-KINDS-ALL-v2.1.ttl

@@ -20820,7 +20820,7 @@ quantitykind:ReactionEnergy
 .
 quantitykind:ReactivePower
   a qudt:QuantityKind ;
-  dcterms:description "\"Reactive Power}, for a linear two-terminal element or two-terminal circuit, under sinusoidal conditions, is the quantity equal to the product of the apparent power $S$ and the sine of the displacement angle $\\psi$. The absolute value of the reactive power is equal to the non-active power. The ISO (and SI) unit for reactive power is the voltampere. The special name $\\textit{var}$ and symbol $\\textit{var}$ are given in IEC 60027 1."^^qudt:LatexString ;
+  dcterms:description "\"Reactive Power\", for a linear two-terminal element or two-terminal circuit, under sinusoidal conditions, is the quantity equal to the product of the apparent power $S$ and the sine of the displacement angle $\\psi$. The absolute value of the reactive power is equal to the non-active power. The ISO (and SI) unit for reactive power is the voltampere. The special name $\\textit{var}$ and symbol $\\textit{var}$ are given in IEC 60027 1."^^qudt:LatexString ;
   qudt:applicableUnit unit:GigaV-A_Reactive ;
   qudt:applicableUnit unit:KiloV-A_Reactive ;
   qudt:applicableUnit unit:MegaV-A_Reactive ;

vocab/unit/VOCAB_QUDT-UNITS-ALL-v2.1.ttl

@@ -16015,13 +16015,15 @@ unit:KiloCAL
   qudt:conversionMultiplier 4184.0 ;
   qudt:conversionMultiplierSN 4.184E3 ;
   qudt:dbpediaMatch "http://dbpedia.org/resource/Calorie"^^xsd:anyURI ;
+  qudt:exactMatch unit:KiloCAL_TH ;
   qudt:hasDimensionVector qkdv:A0E0L2I0M1H0T-2D0 ;
   qudt:hasQuantityKind quantitykind:Energy ;
   qudt:hasQuantityKind quantitykind:ThermalEnergy ;
+  qudt:iec61360Code "0112/2///62720#UAA590" ;
   qudt:informativeReference "http://en.wikipedia.org/wiki/Calorie?oldid=494307622"^^xsd:anyURI ;
   qudt:symbol "kcal" ;
   qudt:ucumCode "kcal"^^qudt:UCUMcs ;
-  qudt:uneceCommonCode "E14" ;
+  qudt:uneceCommonCode "K53" ;
   rdfs:isDefinedBy <http://qudt.org/2.1/vocab/unit> ;
   rdfs:label "Kilocalorie"@en ;
 .
@@ -16289,6 +16291,7 @@ unit:KiloCAL_TH
   qudt:applicableSystem sou:USCS ;
   qudt:conversionMultiplier 4184.0 ;
   qudt:conversionMultiplierSN 4.184E3 ;
+  qudt:exactMatch unit:KiloCAL ;
   qudt:hasDimensionVector qkdv:A0E0L2I0M1H0T-2D0 ;
   qudt:hasQuantityKind quantitykind:ThermalEnergy ;
   qudt:iec61360Code "0112/2///62720#UAA590" ;
@@ -38480,10 +38483,11 @@ unit:PPT
   qudt:applicableSystem sou:SI ;
   qudt:conversionMultiplier 0.000000000001 ;
   qudt:conversionMultiplierSN 1.0E-12 ;
+  qudt:exactMatch unit:PPTR ;
   qudt:hasDimensionVector qkdv:A0E0L0I0M0H0T0D1 ;
   qudt:hasQuantityKind quantitykind:DimensionlessRatio ;
   qudt:iec61360Code "0112/2///62720#UAD927" ;
-  qudt:symbol "‰" ;
+  qudt:symbol "ppt" ;
   qudt:ucumCode "[ppt]"^^qudt:UCUMcs ;
   qudt:uneceCommonCode "NX" ;
   rdfs:isDefinedBy <http://qudt.org/2.1/vocab/unit> ;
@@ -38492,7 +38496,6 @@ unit:PPT
 unit:PPTH
   a qudt:Unit ;
   dcterms:description "Dimensionless unit for concentration. Recommended practice is to use specific units such as $ug/l$."^^qudt:LatexString ;
-  qudt:abbreviation "‰" ;
   qudt:applicableSystem sou:ASU ;
   qudt:applicableSystem sou:CGS ;
   qudt:applicableSystem sou:CGS-EMU ;
@@ -38571,6 +38574,7 @@ unit:PPTR
   qudt:applicableSystem sou:SI ;
   qudt:conversionMultiplier 0.000000000001 ;
   qudt:conversionMultiplierSN 1.0E-12 ;
+  qudt:exactMatch unit:PPT ;
   qudt:hasDimensionVector qkdv:A0E0L0I0M0H0T0D1 ;
   qudt:hasQuantityKind quantitykind:DimensionlessRatio ;
   qudt:iec61360Code "0112/2///62720#UAD927" ;