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

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1 The large amounts of data needed for such an analysis were obtained by means of a participant observation method which allowed the investigator to record speakers over a long period , returning to collect more data if specific gaps emerged in the course of the analysis ( cf. 3.1 ) .
2 It will be difficult or impossible to establish a course of dealing on the basis of a small number of transactions over a long period .
3 ‘ Both were using it in the sense that , in regard to the Inns , the judges over a long period , from time to time , had concurred in the Inns performing the duty of selecting those persons who were fit and proper persons to be called to the Bar and to be entitled to a right of audience in the courts and the duty of suspending or prohibiting such persons from practice .
4 The stimulating article Some library costs and options by Brown ( an economist ) concludes ‘ it seems to be worth acquiring and providing storage for , books likely to be wanted more often than , once in about 1.7 years over a long period ’ .
5 In these respects , there has been a general and continuing decline in prison conditions over a long period of time ( King and McDermott , 1999 ) .
6 My own efforts over a long period of time , plus correspondence and telephone calls to various bodies have met with no success .
7 My own efforts over a long period of time , plus correspondence and telephone calls to various bodies have met with no success .
8 The best businesses over a long period of time have been the ones with a single thrust .
9 A table ( see below ) comparing opening and closing equity book value helps to summarise the main changes over a long period .
10 This may apply to a particular period or it may be concerned with changes over a long period of time .
11 Simulation has been used to predict population changes over a long period of time and for charting space-satellite trajectories .
12 These fish are especially prone to ‘ conditioning ’ ; you can switch their minds onto a certain item of food and if you keep that food trickling through their swims over a long period they will continue feeding , with only short breaks , until that food runs out or some other disaster happens to move them .
13 A case reports and clinical-epidemiological studies have evaluated the cancer risk in patients who have abused anthranoid laxatives over a long period .
14 A case report and clinical-epidemiological studies in patients who have misused anthranoid laxatives over a long period should be considered in a final risk assessment for colorectal cancer in man .
15 The problem of consistency of measurement techniques over a long period of time will have to be faced and may not have a satisfactory solution .
16 Greek Intelligence must have been taking a more than passing interest in the activities of our friend Andropulos over a long period , years I would think .
17 What we are clearly seeing in some areas is roughly the same group of people exploiting the same local landscape for their subsistence requirements over a long period , but with successive generations living on different sites at different times .
18 The reason may lie in what happens to the teachers themselves when they first encounter it , rather than in the use they make of it directly with children over a long period .
19 The incubation period may be up to one year , and this makes it difficult in many cases to decide from whom the warts have been caught ; not only that , but they often seem to have been seeded on the principle adhered to by market gardeners , to give successive crops over a long period .
20 Cook has incidentally been given a testimonial season by Transvaal for his outstanding services over a long period .
21 Batteries last longer if they are charged and discharged in deep cycles over a long period .
22 However , a syndrome of this severity is not commonly reported in foals under natural conditions , probably because larval intake is continuous during grazing ; it has been show experimentally that foals may tolerate large numbers of larvae administered in small doses over a long period .
23 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 .
24 The main difference , though , was that while Pompeii was obliterated by the steady accumulation of ashes over a long period , perhaps as much as two days , Herculaneum was overwhelmed in a matter of minutes , possibly well after the eruption proper had ceased .
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