Example sentences of "shown that this " in BNC.

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1 Neutron activation analysis has shown that this series of pieces was made at Castilli in southern Italy .
2 Karl Leyser has shown that this was a ‘ patrimonially ’ , not a ‘ bureaucratically ’ , governed society ; rule was by the personal presence of an itinerant ruler , the exercise of his patronage , the close bonds which he could establish with his followers , and the ceremonial projection of his sacrality .
3 However , it has been shown that this is not the case .
4 Experience has shown that this virtually never happens .
5 When the results were further analysed , it was shown that this high incidence was largely due to the male homosexual population attending these clinics .
6 Many studies have now shown that this sort of regimen improves total serum cholesterol and LDL levels in both insulin-dependent and non-insulin-dependent diabetics in the short and long term ( Simpson et al , 1979a , b ; Dodson et al , 1981b ) .
7 Platelets activated by thrombin were found to produce haemagglutinin activity with fixed bovine erythrocytes ( Gartner et al , 1980 ) , and subsequently the same group have shown that this agglutinin is bound to platelet membranes and appears in the incubation fluid following platelet activation by thrombin ( Gartner et al , 1980 ) .
8 It can also be shown that this family of solutions has the same singularity structure as the class of Szekeres solutions as described in Section 9.3 and to which it reduces when .
9 By applying the coordinate rotation ( 12.11 ) to the line element ( 11.12 ) , it may be shown that this rotation is exactly equivalent to the transformation ( 12.9 ) , indicating that this transformation may be simply interpreted as a global rotation of coordinates .
10 It can be shown that this solution has exactly the same properties as the aligned Bell-Szekeres solution .
11 However , recent research has shown that this particular anecdote is unsubstantiated .
12 However , it was also shown that this gate mechanism was controlled by impulses descending from the brain .
13 Paul Baines has shown that this is caused by the essential or volatile oils , which the alchemists considered to be the soul of a plant .
14 When the faeces are finally expelled , many studies have shown that this waste matter has a higher calorie content than that excreted by people following a normal Western diet containing refined carbohydrates .
15 However , recent studies in comprehensive schools have shown that this picture is changing , and that anorexia nervosa is beginning to lose its class basis .
16 Knuth has shown that this will take on average O ( log2 n / log2 m ) iterations , where n is the size of the lexicon and m is the order of the trie .
17 Observations of individually marked birds have shown that this disruptive behaviour is adaptive .
18 Conrad ( 1971 ) has shown that this has a developmental pattern and Baddeley ( 1979 ) has linked it to the development of reading .
19 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 .
20 Movshon and his colleagues ( in Maunsell and Newsome 1987 ) have shown that this translation from the movement of edges to the movement of objects probably takes place in area MT .
21 However , research by Farmer and Parker ( 1988 ) has shown that this placement is used for two quite distinct groups of children in care .
22 For example , when selecting a foster home , it often seems a good idea to social workers to choose parents with children of similar age to those being placed , but several research projects have shown that this greatly increases the risk of placement breakdown .
23 So far only the pulsed dye laser produces parameters that approach the theoretical ideal , and even then it is at the lower limit of the ideal pulse duration ; Tan et al have shown that this laser can successfully treat children of any age with a negligible chance of scarring , and our experiences confirm their findings .
24 The Denmark saga has shown that this must honour three principles in particular .
25 In their study of the development of the English middle class in the early part of the nineteenth century , based on analysis of wills , Davidoff and Hall have shown that this system did not suit the growing numbers of middle classes who had business or capital to pass on .
26 After the ACE gene was cloned it was shown that this major gene effect is associated with an insertion ( I ) / deletion ( D ) polymorphism situated in intron 16 of the ACE gene ( ACE/ID polymorphism ) ; the mean plasma ACE level in DD subjects was about twice that of II subjects , with ID subjects having intermediate levels .
27 However , Nuttall has shown that this creates considerable problems for the interpretation of results in relation to , for example , class size .
28 But the discussion here has shown that this is far too limited a conception of the productive process , and a more persuasive picture is of a variety of modes , cross-cutting individuals , classes , other groups and mass market requirements .
29 McDonnell and Montgomery have shown that this technique is as good as the other balanced tree method for direct retrieval .
30 Experience has shown that this can lead to rivalry or even friction between the two .
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