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

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1 The organic layer was washed with H 2 O , dried over anhydrous Na 2 SO 4 , mixed with a few drops of concentratd NH 4 OH , and evaporated in vacuo .
2 If you would like to see the adult butterfly feeding , put some leafy shoots in the cage , with a few drops of honey on the leaves .
3 Pisco sour proved to be a local brandy whisked up with white of egg and the juice of fresh limes with a few drops of angostura bitters lying like dark bloodstains on the white bed of foam .
4 Place one of these on the slide and cover with a few drops of water .
5 If necessary a small soda-water bottle with cap will do — add 150ml of distilled or purified water together with a few drops of vodka or brandy .
6 Gastric haemorrhagic damage was induced by oral administration of indomethacin ( Sigma Chemical Co , St Louis , MO ) at a dose of 20 mg/kg , suspended in 0.5% carboxymethylcellulose solution with a few drops of tween 80 in a volume of 0.5 ml/100 g body weight .
7 To polish the edge , use a piece of hardwood with a few drops of oil on it .
8 Season with a few drops of lemon juice and a sprinkling of cayenne pepper .
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