Sigma-Aldrich
Brass alloy, Cu63Zn37
Brass alloy, Cu70Zn30
Bright-LineTM Hemacytometer
Bright-LineTM 血细胞计数器
Briskheat heating tape, silicone rubber, grounded
BriskHeat® HM table top heating mantle
BROMOTRIPHENYLLEAD
BUT-2-ENEDIOIC ACID DIHEXYL ESTER
BUTYL 2-(PARA-TOLYLSULFONYL)-ACETATE
BUTYL 4-(3-(2,4-DICHLOROBENZOYL)-2-THIOUREIDO)BENZOATE
BUTYL 4-(TERT-PENTYL)-PHENYL ETHER
BUTYL CARBANILATE