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

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31 Figure 8 is an example of such a study which recorded and classified accidents over a period of time .
32 Other studies have surveyed panels of respondents over a period of time — though few have physiological measures of health ( such as changes in blood pressure ) or doctors diagnoses , and most use self-report questionnaires of one sort or another .
33 At the Elysee , a spokesman said there could be ‘ modulations ’ in presidential commitments over a period of years , and indicated that the president could take Fabius 's advice in the area of research spending .
34 And this is a very , very difficult thing to do because a teacher , I think , sort of maintains control in a classroom and is able to handle the situation because they 've developed working routines over a period of years .
35 The reformers argued that since departments built up their philosophies over a period of time and since new measures took a considerable period to negotiate , these processes should be opened up so that the informed public could make its reactions clear while principles were still being settled .
36 MacDonald claims that the only located source of systematic collection of data on the progress of non-traditional students over a period of years was at Glasgow Polytechnic for the BA Social Science course .
37 Barbel fishing in the early days , and I am talking to more than a hundred years ago , was very popular amongst the gentry , who used to employ a man to bait a swim with thousands of lobworms over a period of days , sometimes weeks .
38 E-selectin is up regulated on endothelial cells over a period of hours after stimulation by inflammatory mediators .
39 It is generally agreed that students/trainees are observed performing on many occasions over a period of time as a natural part of the learning process .
40 They know that the recruitment specialist will look after their interests , advise them if they are flying too high , encourage them if they are ready for advancement and indeed assist them in planning their careers over a period of time .
41 Storage space had to be found for this unusually large collection of books which arrived in batches over a period of weeks .
42 Through the creation and use of databases in a number of different contexts over a period of time , pupils develop an awareness of the microcomputer as an information handling tool rather than a games machine or programming instrument , while , at the same time , developing valuable learning skills .
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