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

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31 Labour may not have been able to maintain control of the municipal sphere for a prolonged period , but it had built a strong tradition of formal political activity which was to form the basis of hegemonic power in the interwar years .
32 Licorice Phytosome enhances better absorption of the active ingredients and increases their effectiveness for a prolonged period of time .
33 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 .
34 Do n't leave your tent pitched all day for a prolonged period — this will degrade the flysheet .
35 Ground-based observations , on the other hand , offer an opportunity for remote sensing of the plasma in a given region over a prolonged period .
36 X/Open is pushing the DCE specifications through a fast track procedure for adoption , which means they go straight to a vote by its members rather than through a prolonged period of technical evaluation , work already done exhaustively by OSF in any case .
37 Renewed progress was made , after a prolonged period of decline , when Catherine II 's acquisition of the northern coast of the Black Sea initiated a major shipbuilding programme .
38 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 .
39 In my experience most people who suffer a myocardial infarct have been under pressure with associated exhaustion and fatigue for a prolonged period .
40 themselves admit that ‘ a definitive answer to the question of job techniques and job autonomy could be provided only by systematic and direct observation over a prolonged period of time ’ .
41 Nevertheless , the sort of jobs offered are really suitable only for those who can accept moving across the country and living in single person staff quarters for a prolonged period .
42 Er , I think anti-depressants can be helpful for a certain length of time but not for over a prolonged period of time .
43 In April 1932 RAPP was disbanded , and although in the Soviet Union the ensuing liberalising effect was only temporary , lasting until 1935–6 when rigid cultural controls were reintroduced under the watchful eye of Zhdanov , in France , by contrast , 1932 was to mark the beginning of a prolonged period not only of cultural liberalisation within the PCF but also of political co-operation between communists and fellow-travelling sympathisers .
44 Formerly it was sufficient that attention might be required at night ; now repeated attention is required involving a carer being awake for a prolonged period or at frequent intervals .
45 On some models you can adjust the distance that the blades will open and this can make them less tiring to use for a prolonged period .
46 A student undergoes a prolonged period of performing stamina exercises aimed at raising the heart rate and improving overall fitness .
47 On the one side ‘ safe ’ operations are unlikely to produce the high returns that will be needed in a prolonged period of financial stringency .
48 Whenever a claim is presented for damage to the craft occasioned abroad , and the craft has been returned to the U.K. for repair , it must be carefully checked that this period has not been exceeded — and especially that the craft is not being left at a holiday destination for a prolonged period .
49 The coup attempt followed a prolonged period of economic recession within Trinidad and Tobago , which saw gross national product ( GNP ) fall by more than 30 per cent between 1982 and 1990 and unemployment rise to over 22 per cent .
50 It was an unsubtle and false logic , but one which was effective when presented without alternatives to a populace which had endured great hardship for a prolonged period .
51 If this treatment changes the fundamental disease process , a prolonged period of remission might be expected in these patients .
52 The meat can be kept at serving temperature for a prolonged period without the slightest deterioration of quality .
53 ( 3 ) Where daily attendance or normal attendance in accordance with sub-paragraphs ( 1 ) ( a ) or ( 1 ) ( b ) of this rule is prevented by illness , accident or other sufficient or unforeseen cause for a prolonged period , suitable alternative arrangements shall be made without delay to ensure compliance .
54 Thick weathering mantles will only form in regions of minimal local relief where rates of erosion have been low for a prolonged period .
55 If a child must face a prolonged period of hospitalisation , say , he could relatively easily be prepared in advance with information about what will take place , and allowed to experience graded separations in happy circumstances , such as overnight stays with friends .
56 People who drink very heavily on the other hand , either over a prolonged period or in a single drinking session , do run the risk of damaging their health .
57 A prolonged period of low rainfall has led to drought conditions in much of the south and east of the UK , with the problem compounded by increasing abstraction from rivers and groundwater for domestic and industrial uses [ see ED no. 57 ] .
58 hatching of most eggs requires a prolonged period of chill followed by a mean day/night temperature of more than 100C , conditions which occur in late spring .
59 Rumen boluses designed for the slow release of anthelmintics over a prolonged period are under development for sheep and seem an ideal way of minimising worm egg output .
60 It 's the first time so many have gathered for such a prolonged period .
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