Example sentences of "[conj] has [been] [verb] in some " in BNC.

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1 Any precious metal that has been manufactured in some way , including coins used for ornament .
2 One European scientist noted the potential military danger of a biological weapon containing vomitoxin , a substance that has been found in some of the samples of yellow rain .
3 On the production side , the mark-up may be determined to achieve a post-tax target ( as has been assumed in some versions of the cost plus pricing rule ) ; and in this case the price , and hence the output , of the corporate sector would be affected .
4 One should attempt to avoid the situation where your own surgeon is instructed to prepare an initial Report some 12–24 months after the accident or as has been seen in some cases , up to four years after an accident .
5 As has been suggested in some other epithelial cancers the oesophageal stem cells are possibly the initial target for carcinogens and therefore these cells in particular require urgent study in the future as this disease is increasing dramatically in the western world .
6 The ideal osmotic control for ethanol is distilled water and not hypertonic glucose or saline as has been used in some studies .
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