Example sentences of "and it [verb] [be] shown " in BNC.

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1 As Friends of the Earth comment : ‘ There are alternatives available , and it 's been shown that heavy treatment with chemicals is unnecessary .
2 when you 're talking about taking drugs and it 's been shown that the effects erm the biological dependency is n't that great and it 's no sort of worse than coming off erm , having a bad cold
3 The bone evidently continued to be washed down by the stream , and it has been shown ( Dodson , 1973 ) that small animal bone is dispersed readily by flowing water .
4 A new class , the W-cells , has been added , descriptions of the properties of the three classes have been extended , and it has been shown that this segregation into three classes extends to subsequent stages in the visual system , including the visual cortex .
5 It is easier than intravenous heparin to give and it has been shown in randomised studies from McMaster University in Canada that it is as effective .
6 In chapter 3 , we noticed that lexical alternants ( of the pull type ) are highly salient in the community , and it has been shown in various studies ( such as J. Milroy , 1981 ) that these alternants encode values of greater and lesser solidarity .
7 Several members of this family have recently been cloned and it has been shown that they are capable of dimerizing in all intrafamiliar combinations ( 22,26,27 ) .
8 Binuclear species containing metal ions linked by ligands capable of acting as frameworks for electron transfer have been widely studied , and it has been shown that there should be an intervalence charge transfer ( IVCT ) transition at an energy which is simply related to the energetic barrier for thermal electron transfer .
9 For short chains the relationship is no longer valid and it has been shown that if T g is plotted against log x , where x is the number of atoms or bonds in the polymer backbone , then three distinct regions can be identified for a number of common amorphous polymers ( figure 12.11 ) .
10 The number of strands in the tight junctions may correlate inversely with the permeability of the epithelium and it has been shown that the crypt tight junctions have fewer strands than the villous junctions .
11 There have been a lot of studies done with regard to morale and job satisfaction and it has been shown that , that if people are well trained , they feel a lot more loyalty towards the company cos they feel that somebody 's actually taking responsibility for their training and development .
12 Nevertheless , it may well be that such birds are conditioned to this colour and it has been shown that nectar quality can overcome colour prejudice .
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