Example sentences of "be collected over a [adj] " in BNC.
Next page| No | Sentence |
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| 1 | In this type of study , trend values of consumption and income are collected over a long period of time so that most cyclical fluctuations are smoothed out . |
| 2 | In order to quantify relevant costs , it identified a number of cost categories , for which costs were collected over a ten-month period . |
| 3 | Individual faecal excretions were collected over a four day period in 500 ml polythene clip top containers . |
| 4 | Individual faecal excretions were collected over a 4 day period after injection of the labelled cells , with particular care being taken not to contaminate the faecal samples with urine . |
| 5 | The data were collected over a 22 year period during which the frequency of diagnosis of endometriosis increased dramatically , with , for example , the reported incidence at time of laparoscopic sterilisation rising from <5% to 18% . |
| 6 | Until now , the Authority has been prevented from taking action because of a Water Act requirement that samples be collected over a 12 month period . |