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agricultural biochemistry allylthiocarbamide apyrene spermatozoon Austin Flint accentuated bergia ammannioides cam-follower return spring correction factor for thrust coefficient depreciation appraisal method dichlorophenolsulfonphthalein elliptically polarized light isoatmic leptura mushana medical record room photoconductor diode r-out-of-n system resistance interruption sleeps late total number of bacteria Trivitan voice frequency binary-code sendind equipment