Voorbeelden van test tube

• The test tube was allowed to stand for 7 min to allow actively motile spermatozoa to swim up into the medium.

• These were placed in a plastic test tube, at the base of which six 1-mm diameter holes had been bored.

• This was further confounded by the mixtures of biotypes present; therefore, the test tube method is not suitable for detecting biotypes reliably.

• The course has created an opportunity to increase the public's awareness and understanding of astrobiology beyond the traditional 'test tube and textbook' methods.

• These judges applied this tool in order to hold together disintegrating families, a task better served by human judgment than by a test tube.

• Immediately after vortexing, a fibrous substance appeared in the test tube.

• The fluid was squeezed from the swab into the stomacher bag or poured into a sterile test tube.

• A fifth test tube was prepared for the trypsin standard by adding 2 ml of distilled water.

• However, in test tube cultures of d4-662, cells that were indistinguishable from wild-type cells in behavioural phenotype were often observed.

• A hand-held light probe was inserted into the fluid in each test tube, and the output was sampled by computer.

• Needless to say, these are very small amounts - no more than a thin smear in a test tube.

• This level of nervous system function has been difficult to investigate - impossible to capture in a test tube, and until recently nearly impenetrable from the organismal level.

• The test tube in all walks of life has been apt to prove deceptive so far as the results obtained from it are concerned.

• I had forgotten, but have remembered that, far from being on the wrong side of the test tube, he is on the right side.

• They were creating embryos to see the conditions that were necessary for them to survive and grow in a test tube.