Example sentences of "[be] know that [adj] [adj] [noun] " in BNC.

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1 In addition to the probable decreased prostacyclin production in the region of the atheromatous plaque possibly due to inhibition of prostacyclin synthetase by lipid peroxides it is known that certain fatty acid hydroperoxides also induce platelet aggregation ( Mickel & Horbar , 1974 ) .
2 It is known that many medieval villages in England became deserted through decline and shift of population , and the ravages of disease .
3 It is known that volatile organic compounds dissolved in groundwater will release molecules into the vapour phase at the water-table , and these can then migrate upwards through the unsaturated zone .
4 It was known that many European plants and animals flourished when introduced into areas such as Australia , thus fuelling the imperialist assumption that the products of Europe — including the human products — were destined to rule the world .
5 It was known that underground Japanese oil storage facilities had not been destroyed and had even been put into a state for use in some areas .
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