Example sentences of "[verb] [adv] over a period " in BNC.

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1 After his death his empire could barely be sustained by the new rulers ( including Charles the Bald and Charles the Fat — is it possible to hold an empire together when the populace is taking the mickey out of you to that extent ? ) and crumbled away over a period of two centuries .
2 I have looked carefully over a period of weeks at those applications , and have reached the view that they deserve to be granted .
3 Twenty , 50 or 100 mg were infused intravenously over a period of 90 minutes .
4 Academic basics can be drummed into a reasonably receptive dealer through the BIDS or Stock Exchange courses , but the practical market know-how that was most needed could be grasped only over a period .
5 The behaviour persists continuously over a period of time .
6 For instance , in a group of patients with rheumatoid and osteoarthritis who were treated with an elimination diet followed by a wheat-free diet , cervical reintegration and the green-lipped mussel preparation , Seatone , significant and often dramatic improvements were obtained in a fortnight of an order similar to , or better than , those obtained by either homoeopathy or Seatone alone over a period of three to six months .
7 If your dog fails to respond readily over a period of time , it will be worthwhile having its hearing checked by a veterinarian .
8 As couples live together over a period of years they will find more and more areas where decisions can be made without consultation because they will understand a lot of each other 's interests and desires .
9 It is clear that insubstantial changes will not give rise to a new copyright ( or right to prevent unfair extraction ) but what is the position when a database has changed considerably from its original form but this has happened incrementally over a period of time ?
10 They emerged gradually over a period of half a century , culminating in his book Two New Sciences , which was first published in 1638 , almost a century after the publication of Copernicus 's major work .
11 It tends to happen gradually over a period of time .
12 The Lu-Fan operates quietly over a period of four minutes , switching off automatically , but it can be restarted immediately if required .
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