Example sentences of "have be shown [prep] " in BNC.
Next page| No | Sentence |
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| 1 | Associations have been shown between low packed cell volume or red cell volume , or both , and the respiratory distress syndrome . |
| 2 | His successes and failures are now collected on 200 video tapes , some of which have been shown on television . |
| 3 | The origin of the labrum from paired rudiments , interpreted as limb buds , is very uncommon ( occurring only in Locusta , Carausius and Rhodnius ) while the allegedly labral coelom sacs of Carausius have been shown on reinvestigation to belong to the preantennal segment ( Scholl , 1969 ) . |
| 4 | Again he is taking over precisely the ‘ modern ’ definitions and oppositions , between the normal and pathological , the natural and unnatural , etc. , which have been shown to be both confused and ideological in the narrow sense . |
| 5 | Often , both in America and in Britain , hostile takeovers have been shown to be reckless , mistaken and damaging . |
| 6 | In these experiments , two kinds of learning have been shown to be possible in a nervous system with fixed cell numbers and connections , by altering the effectiveness of synapses . |
| 7 | By using chromatofocusing techniques and enzyme assays , the enzymes involved in the biocontrol action of Trichoderma have been shown to be chitinases. glucanases and proteases . |
| 8 | β-Thromboglobulin levels have been shown to be elevated in various types of vascular disease . |
| 9 | The festivals have been shown to be relatively successful by some indicators . |
| 10 | The trick will be to distil these desirable attributes from the new arrangements and to discard the harmful elements ; once they have been shown to be so . |
| 11 | Some techniques , such as cost analysis and cost minimisation analysis , proceed on the basis that the alternatives under consideration have been shown to be equivalent in effectiveness . |
| 12 | The bones that porcupines carry to their lairs have been shown to accurately reflect the medium to large mammal fauna present in the region ( Brain , 1981 ) , but small mammal bone is not represented . |
| 13 | When goods have been shown to a customer they should be … to their correct storage space . |
| 14 | The remedies of the homoeopathic materia medica have not , as has happened to their orthodox counterparts , had to be abandoned , as one after another they have lost their efficacy or have been shown to be too toxic to be used safely . |
| 15 | Generally it is helpful to carry out these discussions with managers from sites who have been shown to be performing well ( at least above average ) in the relevant activity . |
| 16 | the recommendations have been shown to be readily accepted both by line and functional management ; |
| 17 | Hotel leisure facilities have been shown to be a worthwhile investment in that they can : |
| 18 | But to the anorexic , that last phrase is a contradiction in terms : autonomy and femininity have been shown to be irreconcilable . |
| 19 | He said he was not satisfied that the fire had been started deliberately , let alone who might have started it and that the scientific evidence was ‘ underlined by a number of assumptions which have been shown to be totally false ’ . |
| 20 | Certainly almost all of the characters that Burdon lists have been shown to be of selective importance either in clover or in some related species , though sometimes under very specialized circumstances . |
| 21 | Now , it turns out , they could n't be : in both Italy and Japan , the guardians of democracy have been shown to be enmeshed in corruption . |
| 22 | Liposomes , which in clinical trials have been shown to be non-toxic and non-immunogenic , may be safer than viral vectors which have the inherent risks of immunogenicity , replication and transmission . |
| 23 | However , head size , birth weight , and intelligence have been shown to be inversely and linearly associated with maternal phenylalanine concentrations , again without any obvious threshold in effect . |
| 24 | Five of the nine infants have been shown to be deleted from part of the Duchenne muscular dystrophy gene ( table II ) . |
| 25 | Pairs of sentences that have a coherent semantic relation have been shown to be more rapidly processed than pairs in which the relation is less distinct [ Just & carpenter , 1978 ] . |
| 26 | However , n-gram techniques have been shown to be less effective for the present project than word-lookup methods , as they fail to exploit letter-level constraints to the same extent [ Wells , 1989 ] . |
| 27 | Psychological theories of semantics have been shown to be important , since the human information processing system is the best example of a language processing system , and that such theories attempt to produce cognitive models that should be computationally implementable . |
| 28 | And since this means that at least 20 per cent of the captive-bred animals ( with no experience of the wild ) have been shown to be able to hunt for themselves , find shelter from the freezing conditions and evade predators for more than a month , Bob Oakleaf of the Wyoming Game and Fish Department considers the release a success . |
| 29 | In this instance health reports specify the pathogens which have been shown to be absent from the animals . |
| 30 | After about seventy-two hours of sleep loss , " it is impossible to prevent subjects from obtaining brief " microsleeps " " which ( when EEG measures are made ) have been shown to be indistinguishable from brief periods of natural sleep . |