Sentence Examples


  • Hansen set himself the task of studying the properties of the varieties of yeast, and to do this he had to cultivate each variety in a pure state.
  • Hansen counted the number of yeast cells suspended in a drop of liquid diluted with sterilized water.
  • Hansen pointed out that this was by no means the case, for it is more difficult to separate the cells from each other in the gelatin than in the liquid.
  • Previously to Hansen's work the only way of differentiating I Hansen found there were three species of spore-bearing Saccharomycetes and that these could be subdivided into varieties.
  • Schwann in 1839) was studied by Hansen, who found that each species only developed spores between certain definite temperatures.