Example sentences of "is estimated that the [noun sg] [noun] " in BNC.

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1 It is estimated that the play park will attract 2,000 visits-a-week .
2 It is estimated that the worm population in the average herbaceous garden is about a quarter of a million per hectare , which is roughly a hundred thousand per acre .
3 In 1980–1 , a fairly typical year , the grant from the Ministry of Agriculture for land-drainage schemes , including some urban work , amounted to about £30.5 million , of which £23.7 million was allocated to the water authorities , while the rest went to internal drainage boards and local authorities.2 In that year it is estimated that the water authorities spent around £40 million on capital drainage schemes for agriculture .
4 It is estimated that the ozone layer over northern Europe will have been considerably damaged by the end of the century .
5 For a 10,000 million tonne nuclear war scenario , it is estimated that the ozone column would be reduced by between 30 and 70 per cent in the northern hemisphere and by up to 40 per cent in the southern hemisphere ( Crutzen and Birks , 1982 ; US National Research Council , 1975b ; Turco et al. , 1983 ; Whitten et al. , 1975 ) .
6 It is estimated that the carbon dioxide output of an average household in theUK is 6.5 tonnes a year , equivalent to a two star rating .
7 At the St Pierre Park it is estimated that the oven system will have paid for itself inside 18 months .
8 It is estimated that the cash balance at the 1st April will be £16,000 .
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