Example sentences of "[noun] over a [num] [noun] period " in BNC.

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1 Third , as we monitored our representative sample of schools over a three year period , we could perceive some of them undergoing a process of structural transition , shifting away from the simple two-tier model towards departmentalism and/or a matrix structure .
2 Figure 1 shows the production of lactate from 5 mM glucose over a three hour period ( mean of four experiments ) .
3 reported domestic violence over a six month period
4 This was how a Florida man described the graffiti with which he defaced a couple of hundred public library books over a three year period between 1977 and 1980 .
5 The table shows the number of mornings and afternoons that winds blew at various strengths over a 14 day period .
6 The result over a two year period is a range of display material that has been exclusively designed and manufactured , and is now available to retailers throughout the country .
7 Formol saline fixed , paraffin embedded Crosby capsule jejunal biopsy specimens were collected by reviewing the archives of the Royal Infirmary Pathology Department over a five year period .
8 Social workers , librarians , planners , architects , housing staff , tax , careers and school officers will be taking part in the vote for six days of strike action over a six week period from October 4 .
9 Manning , unemployed , of High Street , Standish , Wigan , admitted raping three women and assaulting two of them causing actual bodily harm over a five year period .
10 In 1985 , the Industry and Employment Committee committed funds over a three year period for an initiative in New Technology .
11 von Scheidt et al assessed haemodynamic variables over a 5 year period ( mean 26 months ) in patients after heart transplantation and confirmed preserved and normal left ventricular contractility in most cases .
12 Her aim was to scan more than 4,000 pages on an Olivetti Filnet machine over a seven hour period .
13 Patients kept a detailed record of their food consumption over a three day period before their first follow up appointment in the maintenance phase of the study and also described their normal physical activity .
14 The study found twenty-one students had taken their own lives over a fourteen year period , and more than two hundred and fifty others attempted suicide.Simon Garrett reports .
15 The study will combine DTI Company Statistics with London Business School 's London Share Price Data Base to provide details on the top executive pay , company characteristics and share price performance for a sample of large companies over a twenty year period .
16 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 .
17 One company in the food processing and distribution market claimed that it experienced a 50% reduction in absenteeism from 8% to 4% over a three year period .
18 The scheme was administered by the Brewers ' Society and involved the exchange of some 1,000 pubs over a five year period ( source : British Drink Profile , Halliday Associates , 1979 ) .
19 Some of these children , if they were given this attention over a two year period , could overcome this and go into the secondary school able to cope and take their place alongside the other children , and this is desperately important .
20 Paykel ( 1979 ) describes his research in New Haven in which the life experiences of 185 depressed patients receiving hospital treatment were compared with the experiences of a random sample of the same number of adults in the general population over a six month period .
21 In conclusion , this study shows an absolute increase in the incidence of proximal gastric tumours in a defined population over a 20 year period .
22 More than two-thirds of all council staff in Bexley who suffered violent attacks over a three month period worked in social services .
23 This study was designed to compare the efficacy and safety of oral fluticasone propionate with prednisolone over a four week period in the treatment of active colitis .
24 A spokesman for the theatre group said : ‘ You should be prepared to work full days over a three week period with at least one week 's production work .
25 The current project is scheduled to take place over a 5 year period , with a budget set at 500k .
26 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 .
27 The report looked at the use of DSS to support R & D project selection over a 10 year period for ICI Pharmaceuticals .
28 His financial controller Roger Richardson came up with a system of false accounting , which enabled them to borrow millions of pounds over a three year period and keep the company going .
29 Behavioural item check lists were completed by the mothers and teachers which provided assessments of several different behavioural dimensions and behavioural changes over a 5 year period will be analysed with respect to specific life events , life circumstances and primary school experience .
30 Simulation tends to be used in problems where mathematical solutions are not possible , or where long time scales are involved ( eg predicting — population changes over a 30 year period ) , or where there is no other way of tackling the problem ( eg charting space-satellite trajectories ) .
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