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

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1 Other changes in structure developed more slowly , but although the pattern looked different over a period of a few years , analogues of the basic groups seem to have been present ever since the phenomenon of the contemporary football fan arose in the middle to late 1960s .
2 Company spokesman John Dodds said the investment would be staggered over a period of time and would not necessarily mean a glut of vacancies in Darlington .
3 Later , the project was able to borrow a more advanced flux-gate magnetometer and the preliminary conclusions from Rodney Hale , an experienced electronics engineer , as a result of further work , are that there is a magnetic field within the circle which fluctuates relative to that outside over a period of hours .
4 If you are unsuccessful over a period of time there 's always a chance you will part company . ’
5 The loans would be repayable over a period of 20 years at 3.5 per cent interest .
6 Rudolph Ackermann issued some fifty books with coloured plates , including the well-known Repository of Arts , Literature , Commerce , Manufacture , and Politics , which appeared monthly over a period of nearly twenty years .
7 The cause of deterioration is mainly due to the covering becoming thin and brittle because of weathering i.e. the action of heat and cold over a period of time .
8 This proved difficult and Josef Vissarionovich had to be blown up little by little over a period of two weeks .
9 The position of the Central Authority was strong : they were responsible for the Boards as a whole breaking-even over a period of years ; their approval was required for capital and current expenditure ; and they raised the capital and controlled the reserves and bank-balances of the Boards .
10 By using examples taken at random over a period of years the following list has been assembled :
11 The appearance of the new form was an abrupt event and the product was quite stable over a period of years .
12 Many players , as it happened , were coming near to the age of retirement , so it was possible over a period of six or seven years to make the orchestra young again .
13 Mr Elliot Bernerd , head of Chesfield commented , ‘ We are one of a group of shareholders and have never agreed to make capital available over a period of years .
14 The European Community has put in place a range of measures which are capable over a period of time of leading to a solution .
15 Thus when endothelium was stripped from rabbit aorta in vivo prostacyclin production at the luminal surface of the vessel was virtually absent and recovery of prostacyclin production was slow over a period of 70 days coinciding with the appearance of neointimal cells ( Eldor et al , 1981 ) .
16 It was not surprising that the amount spent on exploration sank from $760 million in the still relatively fat year of 1979 to between $120 and $150 million at the end of the 1980s and the size of known reserves remained static over a period of at least four years .
17 The main provisions of the existing Acts covering health and safety , and regulations made under them , will be retained but will be amended , revised or repealed as necessary over a period of years .
18 When established during the 1940s , nationalised industries were instructed to operate in the ‘ public interest ’ and to break even over a period of years .
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