Example sentences of "a period [prep] [art] few [noun pl] " in BNC.
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| 1 | This output is in turn fed to a monostable made up from NAND gates IC4c , IC4d which is turned on for a period of a few milliseconds determined by the values of resistor R17 and capacitor C4 . |
| 2 | The time resolution is excellent - the growth of maize seedlings over a period of a few minutes can be detected . |
| 3 | That this should have happened , within a period of a few generations for example , and therefore in evolutionary terms , immediately , is palpably unlikely , for the mental development which heralded the beginnings of civilisation could have started long before man 's activities were such as would leave archaeological evidence . |
| 4 | 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 . |
| 5 | As it happens , there is a substantial engine refurbishment contract in the offing which ( although tenders have not yet been invited ) promises to bring someone several tens of millions of pounds in revenue over a period of a few years . |
| 6 | Scientific studies carried out a few years ago revealed that regular sunbed users ( those using a bed more than once a week over a period of a few years ) now have a condition called skin fragility syndrome . |
| 7 | Seismic data were returned to Earth over a period of a few years from these five stations , though they were reduced to four when the Apollo 11 station stopped working . |
| 8 | Because nothing can travel faster than light , an object that can vary its output of energy within a period of a few days can be at best a few light-days across . |
| 9 | This number of casualties over a period of a few days would have been exceptional even when the mujahideen guerrillas were fighting the communists . |
| 10 | Over a period of a few days during early August the world 's perception of the Kingdom shifted dramatically , so that King Hussein was no longer portrayed as one of the chief US allies in the region , but instead as one of Saddam Hussein 's prime collaborators . |
| 11 | Usually the syndrome is associated with frequent coughing and slight tachypnoea over a period of a few days ; less frequently there is marked tachypnoea , hyperpnoea and in dairy cows a reduction in milk yield . |
| 12 | Work-shadowing , whereby a student follows a business person during her normal work routines over a period of a few weeks is becoming increasingly commonplace in the UK . |
| 13 | One school suddenly lost some of its best students over a period of a few weeks . |