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

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1 When a plan drawn up during a period of supply crisis fails to analyse thoroughly the question of the balance of supply and demand this of course is no ‘ external ’ defect , no ‘ formal ’ omission , but a profoundly internal fault .
2 Eventually these persons might have to face up to a period of crisis , of self-examination , and so achieve ego-identity by route C. However , foreclosure does offer an escape route and an individual might postpone indefinitely any real self-examination by clinging rigidly to his [ or her ] beliefs and values ( route D ) .
3 Clearly memories are not formed instantaneously , as if by throwing a switch , but are built up over a period of hours after the event to be memorized has occurred ; during this build-up the form in which any memory is stored changes .
4 Er and it 's a force commitment it is n't I mean short of saving up over a period of years which we are not allowed to do
5 All the small modifications should add up over a period of time to make major achievements .
6 Another proof is taken and so the print is built up over a period of time .
7 ‘ It would be useful , ’ he said , ‘ if practitioners were made aware of the information that is required from them so they can build it up over a period of time . ’
8 For example , the ship has a power meter which drops as you get hit , but builds back up over a period of time , you do n't just simply die when hit .
9 In fact there was a , I think some of the recent erm concerns about schools have come from an image that 's been built up over a period of time that the schools spend very little time on the , on the three Rs for example .
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