Example sentences of "is about [adj] day " in BNC.

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1 The prepatent period is about 45 days .
2 The incubation period of a cuckoo 's egg is about 11 days , while that for host species is slightly longer — 12 days for the reed warbler and dunnock , 13 to 14 days for the meadow pipit , pied wagtail and redstart .
3 The interval between initial pairing and the laying of the first egg is about nine days .
4 The normal circulating count varies in man between 150 and 400 × 10 9 /l and mean platelet survival is about 9.9 days .
5 In rural Third World communities the average transit time is one and a half days ; in Western countries it is about three days in young healthy adults ; among the elderly it is often over two weeks .
6 The prepatent period is about 15 days .
7 And we felt that team two have gone the other way , tha that the work spread out and actually when you looked at the , at the project plan at the back , erm that in fact a surveyor was out for six hundred and eighty three DOPACS units which is about ten days and that had spread all through May , June and July .
8 Although menstrual cycles vary quite considerably in length from person to person , the average length is about 28 days with the ‘ period ’ taking up the first five or six of these .
9 Once mixed , the shelf life in an open container is about 3 days , but this can be extended if the container is sealed after mixing , and kept in a cool place .
10 In humans the record is about seven days , but this is exceptional .
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