Example sentences of "contains up to " in BNC.

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1 Now the River Ant contains up to 60 mg/litre of nitrate and ‘ days could pass without a bite ’ .
2 Natural gas contains up to 95 per cent methane , a gas with a high calorific value which requires ten times its own volume of air for complete combustion .
3 Research has shown that the average Western diet contains up to eighty per cent of acid-forming foods , like meat , bread , eggs , and hard cheese .
4 It contains up to four motherboards , each with sixteen fully switched High Performance Transputer Modules .
5 The lower Auchtertyre horizon is about 80 m thick over a strike length of 8 km and contains up to 1.6 per cent Zn and 0.1 per cent Cu over 3 m ( MRP 93 ; Fortey and Smith , 1986 ) .
6 Magma contains up to 4 per cent water by weight , and some volcanic activity takes the form of eruptions of super-heated water and steam from geysers ( Fig. 4.3 ) .
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