11.   As fall turns into winter, other changes take place.

12.   It was at the local level -- where educational policy was put into organisational shape -- that change actually took place.

13.   An analogous change took place recently in DNA research.

14.   Two types of chain motion can be envisaged, a conformational change taking place within the confines of the tube, and more importantly, reptation.

15.   The Gibbs free energy change therefore takes into account the enthalpy change of a reaction system and its entropy change.

16.   The wider world will also demand attention as pupils are encouraged to find out why the changes took place.

17.   What he perceived was rather the state of the doctor and he inferred from this that a change must have taken place at some time before that moment.

18.   The change would take effect at the end of his present term or before then, if he were to die in office.

19.   Far to the west, however, a change had taken place which gave a new twist to relations between the Great Powers.

20.   The paper contained many suggestions for streamlining the way in which change was taking place in the countryside.