Example sentences of "it is known that [adj] [noun] " in BNC.
Next page| No | Sentence |
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| 1 | 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 ) . |
| 2 | It is known that that material is stored in the republic and then brought north for use by the terrorists . |
| 3 | It is known that Israeli doctors were the first outside medical experts to reach the scene . |
| 4 | 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 . |
| 5 | Now it is known that ripening tomatoes ripen faster when placed together on a window ledge , because they produce ethylene gas which stimulates their neighbours to faster and synchronous ripening . |
| 6 | It is known that feral pigeons may convey diseases which are transmissible to man and so large congregations of birds may cause public harm . |
| 7 | It is known that many families emigrated to Canada during the fifty years from 1818 to 1868 and a great number of them came from the crofts . |
| 8 | It is known that such patients may have one of a variety of conditions such as arteriovenous malformations in the small intestine or colon ( including angiodysplasia and telangiectasia ) , Meckel 's diverticulum , Crohn 's disease , and small bowel smooth muscle tumours . |
| 9 | It is known that fatty acid peroxides inhibit prostacyclin generation ( Moncada et al , 1976 b ; Salmon et al , 1978 ) . |
| 10 | It is known that all forms of research literature do obsolesce , and that there are considerable differences between the pattern of obsolescence of different subject areas . |
| 11 | Such major physical impacts are fairly easy to assess , but not enough work has yet been done to assess the effect of visitors on wildlife itself , though it is known that shy species will decline , while common species will often increase , and that fauna both on land and in water will decline faster than flora ( Liddle and Scorgie , 1980 ) . |
| 12 | 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 . |
| 13 | 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 ) . |
| 14 | ‘ It is known that some door supervisors have convictions and a history of violence . |
| 15 | These mediators are probably responsible for pathological changes because it is known that these mediators can induce an inflammatory response by changing capillary permeability , inducing inflammatory cell infiltration , and activating the inflammatory cells . |
| 16 | Emptying of radioopaque markers does not reflect gastric emptying of food components , as it is known that indigestible particles larger than 1.5 mm are emptied from the stomach during the interdigestive period . |
| 17 | It is known that wealthy industrialists joining the upper class by virtue of a newly acquired spending power , sought to buy into the status of the latter by becoming landowners and patrons of art . |
| 18 | In the presence of malignancy it is known that different tissues can respond in different ways . |
| 19 | But it is known that this custom can have dire consequences both for the woman and her children . |
| 20 | A good deal of depressive illness is known to follow adverse life events and it is known that human infants show considerable variation in response to separation from their mothers . |