To encourage oviposition, filter paper was placed on top of moistenedcottonwoolin a tubular support at the base of the cages.From theCambridge English Corpus
A small container ofcottonwoolsoaked with water was also placed in the experimental arena, as were pollen, honey and sugar cubes.From theCambridge English Corpus
All air entering the building passed throughcottonwoolfilters.From theCambridge English Corpus
A small container ofcottonwoolsoaked with water was also placed in the experimental arena so flies were permanently water-sated.From theCambridge English Corpus
A piece ofcottonwoolsaturated with 10% honey solution was supplied in each vial as food source for the adult wasps.From theCambridge English Corpus
The cut stems were placed in a conical flask filled with water and sealed around the base of the stem usingcottonwooland parafilm.From theCambridge English Corpus
All cocoons that formed from parasitized hosts were removed from the stems and kept separately in vials plugged withcottonwool.From theCambridge English Corpus
Leaves were maintained fresh during the experiment by small plastic vials with water andcottonwoolsurrounding the petiole.From theCambridge English Corpus
The tubes were covered withcottonwooland kept in an incubator at the temperature and relative humidity indicated above.From theCambridge English Corpus
Each vial contained a single wasp and the vial was closed with two plugs ofcottonwoolbefore release.From theCambridge English Corpus
Each assay was performed with two germination chambers (replicates) containing 50 seeds placed on a layer ofcottonwoolmoistened with distilled water.From theCambridge English Corpus
Both ends of each tube were plugged withcottonwool.From theCambridge English Corpus
Emerging insects were provided with water-soakedcottonwool, honey droplets, and a yeast/sugar diet.From theCambridge English Corpus
In order to release the parasitoid, each vial could be opened from the outside of the container by pulling strings that were attached to thecottonwoolplugs.From theCambridge English Corpus
An 8% sugar-water solution put in a vial plugged withcottonwoolwas provided to feed the moths, and balsam fir branches bearing lichens were added for oviposition.From theCambridge English Corpus
These examples are from corpora and from sources on the web. Any opinions in the examples do not represent the opinion of the Cambridge Dictionary editors or of Cambridge University Press or its licensors.
