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

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1 It covered the demobilization , repatriation or relocation of the contras over a 90-day period beginning on Sept. 8 ( i.e. by Dec. 5 ) .
2 It said that its study had not discovered any conclusive evidence on the damage done to humans by low-level exposure , but it stated that the lack of information and knowledge of the effects of exposure to low doses of the chemicals over a long period had led the working party to adopt the precautionary principle that absence of evidence was not evidence of absence .
3 Any parent who has had an insomniac or hyperactive child will know the situation in which interruption of sleep over a long period frays tempers and seeks some other scapegoat than the child ; husband and wife may end in screaming at each other across the bedroom .
4 In the short term , nitrogenous fertilizers , by increasing grasses and clovers , can result in an increase in the earthworm population , but continuous use of superphosphate or Nitro-chalk over a long period has been shown , in trials at Rothamstead , to reduce numbers in proportion to the amount of nitrogen applied .
5 The government on Dec. 27 announced that negotiations with the United States aimed at allowing the withdrawal of US forces from Subic Bay naval base to be phased over a three-year period had broken down .
6 Barclays Bank is making the grant over a three-year period to encourage independent companies .
7 Cheney announced on Feb. 23 , 1990 , during a tour of Japan and the Far East , that the USA intended to withdraw about 10 per cent of the 120,000 US troops currently stationed in Japan , the Philippines and South Korea , over a three-year period starting in 1990 .
8 The Environmental Protection Agency of the Chinese government has set up an inspection team which will tour the country over a three-year period to ensure that environmental laws are being properly enforced , and to heighten awareness of environmental issues .
9 Some families require extensive help over a prolonged period to overcome long-standing emotional problems in the family which have culminated in a child who is failing to thrive or is obese .
10 Perhaps the observation of particular teachers over a prolonged period combined with the charting of individual pupils ' learning experiences — including visits to the library — and the ways in which they did or did not use project-purchased resources would achieve this end , but there are clearly practical and methodological objections to such activities .
11 A study of mothers ' reports of their four- and seven-year olds over a four-week period indicated an act of helping ( excluding regular duties ) every day or so .
12 For example , take a company which displays a doubling of turnover over a five-year period using a column graph ( vertical bar chart ) .
13 Agreements were also reached on ( i ) cutting tariffs over a five-year period following the conclusion of the Uruguay Round ; ( ii ) public procurement , i.e. buying of goods and services by governments ; and ( iii ) the reform of GATT 's anti-dumping code .
14 By taking account of business and other operational plans , such as changes in working practices , projections are made over a five-year period to provide base information against which to evaluate alternative strategies on staffing requirements and costs .
15 The club 's financial performance has been shattered by the incurring of revenues expenditure approaching £1 million over a two-year period to make good various defects , including gas leaks , to the new Bedser Stand and Ken Barrington Centre .
16 This was carried out over a three-week period using a mixture of interviews and questionnaires covering a representative sample of persons from the CSSU and the departments .
17 Remarkably , Kieslowski shot and edited the ten films back-to-back over a 21-month period using different cinematographers on each production .
18 The objective reality of such an energy distribution system is thoroughly documented by Dr Hiroshi Motoyama of Tokyo , who has spent thirty years researching the subject of Bio-energy and from results of tests conducted over a fifteen-year period qualifies his work in these words
19 His untiring efforts over a 27-year period include developing services for the mentally handicapped in Cleveland , including setting up a joint unit of Venture Scouts and Ranger Guides .
20 An inspector said he believed 150 tubs of the cream were sold in Fermanagh and Tyrone without prescription over a five-month period ending April 1992 .
21 The charge that higher education has over a longer period contributed to an anti-industrial ethos among the educated classes in Britain has been laid by Wiener ( 1981 ) and countered in different ways by Sanderson ( 1972 ) who points to manifold examples of involvement with industry , and Shattock ( 1987 ) who tends to lay the blame elsewhere , at the door of government and industry itself .
22 The explanation seems to be that consecutive measurements have been found to be very consistent , whatever variation exists manifests itself over a longer period corresponding to several averaged measurements .
23 Analysis of the moment-by-moment changes in performance over a ten-minute period has shown that while the sleep-deprived subject may be performing well at the beginning , all responses are slowed towards the end , as well as frank lapses occurring .
24 In summary , this study shows that ingestion of small amounts of gliadin over a lengthy period causes dose dependent damage to the small intestinal mucosa in children affected with coeliac disease .
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