biologically accumulated elements
biologically active agent
biologically active floc
biologically active fluidized bed
biologically active materials
biologically active molecule
biologically active monomer
Biologically active organic carbon pool
biologically active peptide
biologically active peptides
biologically active soil organic carbon pool
biologically active soil organic fractions
biologically active ultraviolet radiation
Biologically conformal radiotherapy
biologically controlled mineralization
biologically degradable
Biologically Degradable Material
biologically degradable matter