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

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1 Using data collected over a 2-year period from plots under a variety of management techniques , ranging from maize cultivation to a range of pasture grasses , they report that soil erosion and nutrient losses were greatest from maize ( Zea mays ) and guinea grass ( Panicum maximum Jacq. ) plots .
2 The broad branching heads of large , ragged yellow daisies appear over a long period during summer ; a large patch is a magnificent spectacle .
3 A die could survive over a long period of time .
4 This perspective is inadequate for an understanding of the colonial legal system because the post-independence practices evolved over a long period of time .
5 One is that the abuse is part of the way two people communicate over a long period of time .
6 Unlike groups in laboratory studies , the work group is not created and then disbanded permanently ; it often survives over a long period of time .
7 Many commonly-prescribed drugs increase the sensitivity of the skin and eyes to ultra-violet light — particularly if you take them over a long period of time .
8 The Profitboss. genuinely cares for his customers and develops sound trusting relationships with them over a long period of time .
9 The rationale , however , for that is clear : while insurers are willing to concede that accidents will happen , events developing over a long period of time because of a lack of concern for the potential hazards should not be allowed to .
10 Another modification of the model assumes that uniform extension occurs but takes account of the fact that stretching of the lithosphere is likely to occur over a long period of time , probably several million years .
11 The NEAP process involves : ( i ) the identification of a country 's environmental conditions and specific problems ; ( ii ) preparation of proposals to overcome the problems ; and ( iii ) formulation of a plan of action to deal with them over a specific period of time .
12 The one marginal exception is his only excursion into ghost-writing , A Yankee Looks at Cricket , written with Philadelphian cricket fanatic Henry Sayen in 1956 , which helped tide him over a tricky period between jobs .
13 A good game of tennis , badminton , hockey , netball , or football , for instance , all involve a great deal of running over a prolonged period of time .
14 ‘ The largest single category of problems mentioned , however , was depression and anxiety attributable to the stresses of caring over a prolonged period of time . ’
15 Young children do imitate the aggressive acts of televised models as much as live models ; furthermore , this effect persists over a considerable period of time and is particularly pronounced when the aggressive model is portrayed as successful .
16 In such studies records of a very large number of events are taken over a considerable period of time and memory for the events is subsequently tested .
17 The composition of these works stretched over a considerable period of time .
18 Together with radiometric age determinations of the most recent eruptive episode , such reconstructions enable estimates to be made of the amount of material eroded over a known period of time .
19 And notwithstanding the invariable belief of these coaches that their own programme-of-the-moment is writ large on a tablet just descended from Heaven , there are no absolutes about which kind of exercises are best to get you fit over a short period of time .
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