How to use in-sentence of “fixation”:
+ Biological nitrogen fixation was discovered by Hermann Hellnegel.
+ Nitrogen fixation is essential to life because nitrogen compounds are needed for making all nitrogen-containing organic compounds, such as amino acids, proteins, and nucleic acids.
+ A toilet training conflict or fixation results in a rigid or disordered personality.
+ Professor Schrock’s work is continuing with metathesis as well as projects such as dinitrogen fixation and single molecule catalysts which make ammonia from dinitrogen, similar to nitrogenase enzymes in biology.
+ Nitrogen fixation is needed to change the nitrogen in air into forms that can be used by life.
+ He had a fixation with blue, and all his suits, his car, and even his parking space were coloured in blue.
