Example sentences of "be derived from [noun sg] [noun] [noun] " in BNC.

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1 and are derived from Fertilizer Manufacturer Association data and other farming and trade sources .
2 The bones are derived from barn owl pellets and have been totally protected from any modifying agent other than the owl ( which produces minimal effects ) and weathering .
3 Both of these incorporate the anti-oxidant vitamin E , and vitamin A ; in the case of Mary Cohr 's Fluid Foundation , the vitamins are derived from evening primrose oil , the principal ingredient in the Hydro-Proteine complex .
4 The weights were derived from hospital bed utilization rates in each age-sex category ; if , for example , elderly women accounted for three times as many bed-days as middle-aged men , they counted three times as heavily in calculating the weighted population total .
5 A single-stranded RNA probe ( specific activity , 0.5–1.0x10 9 c.p.m. perμg RNA ) was derived from rat cDNA clone GGFRP3 ( Fig. 2 ) .
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