IUPAC Gold Book - Quantities

Quantities

quantity	symbol	referenced in	equation
bandgap energy $E g$	$Math - math$	bandgap energy $E g$	$E g$
benchmark dose ( $BMD$ ) and lower effective dose ( $LED$ )	$Math - math$	benchmark dose ( $BMD$ ) and lower effective dose ( $LED$ )	$BMD$
biochemical (biological) oxygen demand ( $BOD$ )	$Math - math$	biochemical (biological) oxygen demand ( $BOD$ )	$BOD$
biological exposure index ( $BEI$ )	$Math - math$	biological exposure index ( $BEI$ )	$BEI$
biological tolerance values for working materials (Biologische Arbeitsstoff Toleranz Werte (BAT))
bond-dissociation energy, $D$	$Math - math$	bond-dissociation energy, $D$	$D$
Brewster angle, $θ B$	$Math - math$	Brewster angle, $θ B$	$θ B$
		Brewster angle, $θ B$	$θ B = arctan ⁡ n 2 n 1 = arctan ⁡ ( ɛ 2 ɛ 1 ) 1/2$