Example sentences of "is known [that] [adj] [noun sg] " in BNC.

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1 It is known that fatty acid peroxides inhibit prostacyclin generation ( Moncada et al , 1976 b ; Salmon et al , 1978 ) .
2 This finding may be important , since it is known that chemical modification of lysine amino groups of the apoprotein may interfere with the specific LDL receptor binding and hence clearance of LDL ( Gonen et al , 1981 ; Kim & Kurup , 1982 ; Witzum et al , 1982 ) .
3 Dr Andrew Macleod , specialist in endocrinology at St Thomas 's Hospital , London , says : ‘ It is known that increased testosterone improves the libido , but it 's unlikely it will ever be used as a treatment .
4 It is known that that material is stored in the republic and then brought north for use by the terrorists .
5 Returning to the visual system , it is known that simultaneous destruction of both visual cortex and superior colliculus produces complete insensitivity to brief light flashes in monkeys whereas destruction of either structure in isolation has no effect ( Mohler and Wurtz 1977 ) .
6 As pointed out above , it is known that extensive interconnection is a characteristic of the neocortex : thus the great majority of the input to any cell comes from other parts of the neocortex itself , and similarly most of the outputs go to other parts of the neocortex .
7 But it is known that this custom can have dire consequences both for the woman and her children .
8 ‘ It is known that some door supervisors have convictions and a history of violence .
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