equilibration in a sentence

1. « Comparative equilibration and online technique for determination of non-exchangeable hydrogen of keratins for animal migration studies ».
2. « An automated technique for measuring dD and d18O values of porewater by direct CO2 and H2 equilibration ».
3. « Comparative equilibration and online technique for determination of non-exchangeable hydrogen of keratins for us in animal migration studies ».
4. Murphy, T.J.; Mullin, M.D.; Meyer, J.A. 1987, Equilibration of polychlorinated biphenyls and toxaphene with air and water, Environmental Science and Technology, 21:155-162.
5. « An automated technique for measuring δ D and δ 18O values of porewater by direct CO2 - and H2 - equilibration ».
6. It's difficult to find equilibration in a sentence.