B7

B7 or B-7 may refer to:Vitamin B7, BiotinThe B7 (protein), important in the immune systemB7 star, a subclass of B-class starsB7 Baltic Islands NetworkThe Douglas Y1B-7, a bomber of the United States Army Air CorpsHMS B7, a B-class submarine of the Royal NavyB7, the B nearly two octaves above Soprano C. It is the second highest note on a piano.UNI Airways (Taiwan) IATA airline designatorAn international standard paper size (88×125 mm), defined in  ISO 216Blake's 7, a BBC science fiction television series first broadcast in 1978–1981Message board shorthand for banned (Banned=band=b&=b7).
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The preliminary seasonally adjusted series is obtained by subtracting from B 1 (additive model) or dividing B 1 (multiplicative model) by the seasonal factors in B 5 .
For more information, see X-11 Census Method II Seasonal Adjustment .