Example sentences of "over a [num] [noun] period [verb] " in BNC.
Next page| No | Sentence |
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| 1 | Briefly , over a 14 month period starting in May 1968 , 1400 general practitioners throughout the United Kingdom recruited 23000 women who were using oral contraceptives and a similar number of women who had never used these preparations . |
| 2 | 253 hours over a six month period gave a total of only 8.4 hours per team member per month ( or only 5.5 hours per month client contact if telephone calls and professional meetings were ignored ) . |
| 3 | A log book is maintained by the individual trainee over a four year period to record work experience and career progression and must be approved by the Mentor . |
| 4 | At present , such guidelines require that options may not be exercised until at least five years from their date of grant and then only if over a five year period following the date of grant the Company has achieved growth in earnings per share which exceeds the growth in the Retail Prices Index by at least ten percentage points . |
| 5 | The depletion of the ozone layer over the northern hemisphere is to be the subject of a newly-launched European Arctic Stratosphere Experiment ( EASOE ) , involving 250 scientists from 17 countries over a five month period starting in November . |
| 6 | But I 've just briefly looked at the education and training part of the General Secretary report and it says here , National College rammed a hundred and twenty four courses over a thirty week period attracting approximately seventeen hundred G M B representatives , a wide range of residential courses . |
| 7 | The results of this study are consistent with a defect in the ileal transport of bile acids in patients with cystic fibrosis with over a third of such patients retaining significantly less radiolabelled bile acids over a seven day period compared with control subjects . |
| 8 | When these films made over a twenty year period have , on rare occasions , been seen by Western audiences , critics have referred to him as neo-neo-realist or post-Brechtian film-maker . |
| 9 | More than two-thirds of all council staff in Bexley who suffered violent attacks over a three month period worked in social services . |
| 10 | A sixth train is currently being constructed to produce the LNG required for a contract signed in October 1990 for the sale of 2,020 trillion BTUs over a 20 year period commencing in 1994 . |