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

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1 Last year 's summer play scheme was the first in the Dyfi Valley and attracted more than 800 children over a period of four weeks to Ysgol Bro Ddyfi .
2 The majority received 100 mg over a period of 3 hours .
3 We tested six tents over a period of three months in weather ranging from sunshine to horizontal rain .
4 Ian Wyllie , who studied cuckoos extensively in Cambridgeshire reed-beds , saw it just three times over a period of six years after thousands of hours of observation .
5 Davies v. Sumner is the leading authority on the meaning of the expression ‘ in the course of a business ’ and has been followed in a case under the Unfair Contract Terms Act 1977 , R. & B. Customs Brokers v. United Dominion Trust , where it was held that a business 's buying of two or three cars over a period of five years was an insufficient degree of regularity for the latest such purchase to be regarded as made in the course of the business ( see paragraph 10–18 above . )
6 ‘ A prisoner , who it was alleged had recently been refused Compassionate Home Leave to visit a dangerously ill relative , had already been allowed three visits over a period of three weeks .
7 He had experimented in administering the powder to about fifty people over a period of five years ‘ and never failed in the cure ’ , except in some cases of severe or chronic ague , which required the addition of some grains of quinine .
8 In a less ambitious sleep-reduction study , three pairs of subjects systematically reduced their sleep from 8 to 6 hours over a period of six weeks .
9 Thus it has been held that there was a course of dealing where the parties contracted three or four times per month for three years ( Kendall v Lillico ) and where there had been 81 transactions over a period of six years ( SIAT di del Ferro v Tradax Overseas SA [ 1978 ] 2 Lloyd 's Rep 470 ) , but not where there had been only three or four contracts over a five-year period ( Hollier v Rambler Motors ( AMC ) Ltd [ 1972 ] 2 QB 71 ; in addition the alleged course of dealing was not consistent ) .
10 Under the legal definition of crime , it is in theory possible to determine the number of crimes committed in any one place over a period of time .
11 And tragically , in the past few weeks we have seen the US and its Allies carry out over 44,000 sorties over a period of 20 days against the people of Iraq .
12 The particular contribution of the teaching of French to pupils ' perceptions will be explored through observation by a researcher based in the two schools over a period of at least six months .
13 The probes were connected to a portable recorder ( Digitrapper — Synectics Medical , Sweden ) capable of holding data from two channels over a period of 24 hours .
14 The bottles are designed to be reused up to 20 times over a period of five years before being recycled into filling for toys , anoraks and duvets .
15 However , a practising midwife in a small colliery village during the 1930s believed that of 227 miscarriages amongst 122 women over a period of seven years , few were accidental .
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