Example sentences of "a few [noun] per [noun sg] " in BNC.

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1 At source , a basalt lava may be moving at twenty or more kilometres an hour ; at the far end it may be oozing forward like treacle at only a few metres per hour ; so the temperature of a magma will obviously affect the style of an eruption considerably .
2 This movement , perhaps only a few metres per hour , continues until the supply dies away at source , and the nose of the flow gradually slows down and stops , still and silent .
3 Those that have been analysed show traces of at least 20 amino acids , including glycine and yaminobutyric acid , in quantities of a few nanomoles per gram .
4 Most campsites also have huts for hire for a few pounds per night per person .
5 The DCS200 uses rechargeables , which will last only a few hours per charge .
6 Mary served behind the counter at Bacon 's for a few hours per week .
7 According to Earth Report ( 1988 ) , some 100 million t of nutrient-rich silt were deposited annually in the pre-Aswan period but is now reduced to just a few tomes per year , necessitating extensive fertiliser use at considerable cost and , presumably , inviting long-term eutrophication problems that characterise many developing countries ( section 6.3.1 ) .
8 Saving on housing is more than often , very unwise , when depreciated over a period of 10 years , the extra cost may be no more than a few eggs per bird extra .
9 The bipolar outflow model does however raise the question of how molecules can survive in a strong shock in a medium with the extremely high velocity of 1,000km s -1 ( for comparison , the sound velocity in interstellar space is only a few kilometres per second ) .
10 This requirement eliminates a lot of the older classical chemical techniques and indeed some of the ultra-modern high-tech instruments which can only handle a few objects per day .
11 The charge was reasonable enough — a few pence per bird — and with a community in which many families kept hens or whose menfolk were able to buy them direct from the country farmer Rev. Levitt 's qualification as a slaughterer of fowls brought him a regular , if modest , bonus on his salary .
12 Mr. Frisby believes companies often pay little attention to the contract , thinking it involves only a few pence per copy .
13 Engineers have recently scaled up the process to separate at a rate of a few milligrams per hour .
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