Example sentences of "a period of " in BNC.
Next page| No | Sentence |
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| 1 | However , although the level of demand for books fluctuated to a quite considerable extent throughout the day , Figures 10 and 11 also show that the mean delivery time for straightforward deliveries to readers of ‘ ordinary ’ items from the Main Building remained reasonably constant ( never rising above 17 minutes on weekdays , or 19 minutes on Saturdays ) , and that those variations which did occur bore no direct relationship to the level of demand , for some of the better mean delivery times were achieved a periods of high demand , and vice versa . |
| 2 | Over a period of time they will all be ill . |
| 3 | Garde à vue detention allows the police to detain suspects for interrogation for a period of up to 10 days . |
| 4 | The photographs were taken over a period of ten years , and eventually they were brought together in a book in 1960 ; ten of the book 's essays originally appeared in Vogue , where the appealing mix of an artist 's conversation along with Liberman 's descriptions and commentary succeeded well . |
| 5 | Altogether , tutorials take place over a period of about twenty-four weeks in the last year of a course , and usually by the last twelve tutorials a student has a much clearer idea of what he or she is about . |
| 6 | On the basis of privately commissioned opinion polls showing an increasing majority in favour of some measure of divorce legislation , FitzGerald agreed with his cabinet to proceed with a referendum on whether to change the constitution so as to allow divorce for marriages irretrievably broken down , though only after a period of five years ' actual breakdown and legal separation . |
| 7 | the failure has continued for a period of , or periods amounting to , at least five years , |
| 8 | It proved to be a period of strained relations with the English liberals , who were allies of the Irish party , but who were also in favour of bringing schooling more and more under state rather than church control ( Miller 1973 : 81–7 , 120–38 , 268–92 ) . |
| 9 | Doing it manually , it had to be done over a period of two or three days , fitting it in after work . ’ |
| 10 | The 1991 Opening Shots Forum considers the opportunities for new directors in a period of great change for the film and television industries , but also in a climate of fast dwindling resources . |
| 11 | With reference to the article in June on breaking dormancy in sweet peas : experiments conducted over a period of several years at New College , Pontefract certainly seem to bear out Anne Swithinbank 's remarks . |
| 12 | It is essential that bulbs spend a period of time in cool , dark conditions before flowering ( this is known as plunging ) to ensure that a good root system is produced , otherwise stunted growth and deformed flowers can result . |
| 13 | Some wildflower seeds need a period of cold before they will germinate . |
| 14 | It is usual to hire a new vehicle on a fully maintained basis for a period of about three years . |
| 15 | Traditionally in anthropology , the ethnographer has studied a social system or culture through a period of intensive participant observation in the field . |
| 16 | We find social relationships simplified , while myth and ritual are elaborated … if liminality is regarded as a time and place of withdrawal from normal modes of social action , it can be seen as potentially a period of scrutinization of the central values and axioms of the culture in which it occurs . |
| 17 | In effect this was a period of withdrawal from a rigidly structured police world to a world turned upside down ; where , in a ‘ counter-cultural ’ way , we were to find that the strict terms of reference we had carefully built up over the years no longer seemed to have relevance . |
| 18 | This gives an approximate value to work to , so a 20-year-old will aim to generate a pulse rate of 175 beats per minute for a period of 20 minutes or so . |
| 19 | The second type of endurance training uses nearly flat-out effort over a period of up to three minutes . |
| 20 | The New York stock-market had collapsed but five years previously , ushering in a period of need and anguish not only across America and Canada ( New York is but 400 miles from Montreal ) , but throughout Europe , too . |
| 21 | It 's safe to say that every child in every culture will go through a period of saying that the pencil which has been moved up is now longer or bigger or big now . |
| 22 | I have tested literally hundreds of children on conservation tasks over a period of twenty years and have confirmed ( to my own satisfaction at least ) that fundamentally — in terms of the central systems — one does not succeed in drawing their attention to non-salient features . |
| 23 | All stretches should be gradual and held for a period of 30 seconds before release . |
| 24 | In order to provide ‘ permanent ’ help , many agencies operate a rota system with the carers working for a period of one or two weeks or a month , and then changing over in a planned way with another carer . |
| 25 | There is to be a period of consultation lasting until the middle of June 1991 when individuals and organisations can put forward their views . |
| 26 | After a period of time we will then ask local groups to provide this information . |
| 27 | The 1980s have been a period of considerable and long-overdue change . |
| 28 | Although acrylic varnishes are dry in about 30 minutes , they continue to harden over a period of 24–48 hours , but here again this time may vary between different makes . |
| 29 | After the storm of the breakdown , Europe is in a period of convalescence , perhaps sedated convalescence . |
| 30 | He said it would change and tone a man in three five-minute sessions over a period of a week . |